get particle trails to work

.gitignore

@@ -11,3 +11,4 @@ logs
 Thumbs.db
 android/
 .venv/
+.vscode

assets/maps/holodeck/holodeck_env.tres

@@ -12,6 +12,12 @@ sky_material = SubResource("PanoramaSkyMaterial_5ed67")
 background_mode = 1
 sky = SubResource("1")
 sky_rotation = Vector3(0, 0.523599, 0)
-ambient_light_color = Color(0.247059, 0.247059, 0.247059, 1)
+ambient_light_color = Color(0.130772, 0.130772, 0.130772, 1)
 ambient_light_sky_contribution = 0.0
+ambient_light_energy = 0.75
 reflected_light_source = 1
+ssil_enabled = true
+sdfgi_enabled = true
+glow_enabled = true
+glow_normalized = true
+glow_blend_mode = 0

assets/meshes/control_pad/control_pad.gd

@@ -58,6 +58,8 @@ func _on_quit() -> void:
 func _update_location() -> void:
 	# Pick the location to set as our parent
 	var location : ControlPadLocation
+	if not _staging:
+		return
 	if _staging.control_pad_hand == "LEFT":
 		location = ControlPadLocation.find_left(self)
 	else:

project.godot

@@ -84,4 +84,5 @@ limits/time/time_rollover_secs=30.0
 openxr/enabled=true
 openxr/foveation_level=3
 openxr/foveation_dynamic=true
+openxr/extensions/hand_tracking=false
 shaders/enabled=true

scenes/auditoriumtest/auditorium_test.tscn

@@ -20,7 +20,7 @@ tonemap_mode = 2
 [sub_resource type="Gradient" id="Gradient_4w171"]
 colors = PackedColorArray(0.506462, 0.0807418, 0.824172, 1, 0.00522142, 0.363628, 0.50814, 1)
 
-[sub_resource type="GradientTexture1D" id="GradientTexture1D_oyb47"]
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_licro"]
 gradient = SubResource("Gradient_4w171")
 
 [sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_0hjpr"]
@@ -28,14 +28,14 @@ spread = 10.946
 initial_velocity_min = 15.0
 initial_velocity_max = 20.0
 gravity = Vector3(0, 0, 0)
-color_ramp = SubResource("GradientTexture1D_oyb47")
+color_ramp = SubResource("GradientTexture1D_licro")
 hue_variation_min = -2.23517e-08
 hue_variation_max = 0.03
 turbulence_enabled = true
 turbulence_influence_min = 0.01
 turbulence_influence_max = 0.01
 
-[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_3ct86"]
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_hha82"]
 cull_mode = 2
 no_depth_test = true
 shading_mode = 0
@@ -47,7 +47,7 @@ point_size = 2.5
 use_particle_trails = true
 
 [sub_resource type="RibbonTrailMesh" id="RibbonTrailMesh_bnbv5"]
-material = SubResource("StandardMaterial3D_3ct86")
+material = SubResource("StandardMaterial3D_hha82")
 size = 0.03
 sections = 3
 section_segments = 10

scenes/main_menu/main_menu_level.tscn

@@ -42,65 +42,65 @@
 [ext_resource type="Texture2D" uid="uid://cr1l4g7btdyht" path="res://scenes/origin_gravity_demo/origin_gravity_demo.png" id="32_c4n1q"]
 [ext_resource type="Texture2D" uid="uid://dhd30j0xpcxoi" path="res://scenes/sphere_world_demo/sphere_world_demo.png" id="34_xw8ig"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_fhr03"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_yg038"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_j085u"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_enmd7"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_ig3ph"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_cqua4"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Little_Distal_L", "Armature/Skeleton3D:Little_Intermediate_L", "Armature/Skeleton3D:Little_Metacarpal_L", "Armature/Skeleton3D:Little_Proximal_L", "Armature/Skeleton3D:Middle_Distal_L", "Armature/Skeleton3D:Middle_Intermediate_L", "Armature/Skeleton3D:Middle_Metacarpal_L", "Armature/Skeleton3D:Middle_Proximal_L", "Armature/Skeleton3D:Ring_Distal_L", "Armature/Skeleton3D:Ring_Intermediate_L", "Armature/Skeleton3D:Ring_Metacarpal_L", "Armature/Skeleton3D:Ring_Proximal_L", "Armature/Skeleton3D:Thumb_Distal_L", "Armature/Skeleton3D:Thumb_Metacarpal_L", "Armature/Skeleton3D:Thumb_Proximal_L", "Armature/Skeleton:Little_Distal_L", "Armature/Skeleton:Little_Intermediate_L", "Armature/Skeleton:Little_Proximal_L", "Armature/Skeleton:Middle_Distal_L", "Armature/Skeleton:Middle_Intermediate_L", "Armature/Skeleton:Middle_Proximal_L", "Armature/Skeleton:Ring_Distal_L", "Armature/Skeleton:Ring_Intermediate_L", "Armature/Skeleton:Ring_Proximal_L", "Armature/Skeleton:Thumb_Distal_L", "Armature/Skeleton:Thumb_Proximal_L"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_vt8vm"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_7ki8b"]
 animation = &"Grip 5"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_rl103"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_6wi1u"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Index_Distal_L", "Armature/Skeleton3D:Index_Intermediate_L", "Armature/Skeleton3D:Index_Metacarpal_L", "Armature/Skeleton3D:Index_Proximal_L", "Armature/Skeleton:Index_Distal_L", "Armature/Skeleton:Index_Intermediate_L", "Armature/Skeleton:Index_Proximal_L"]
 
-[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_32y8o"]
+[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_q7l4u"]
 graph_offset = Vector2(-536, 11)
-nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_fhr03")
+nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_yg038")
 nodes/ClosedHand1/position = Vector2(-600, 300)
-nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_j085u")
+nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_enmd7")
 nodes/ClosedHand2/position = Vector2(-360, 300)
-nodes/Grip/node = SubResource("AnimationNodeBlend2_ig3ph")
+nodes/Grip/node = SubResource("AnimationNodeBlend2_cqua4")
 nodes/Grip/position = Vector2(0, 20)
-nodes/OpenHand/node = SubResource("AnimationNodeAnimation_vt8vm")
+nodes/OpenHand/node = SubResource("AnimationNodeAnimation_7ki8b")
 nodes/OpenHand/position = Vector2(-600, 100)
-nodes/Trigger/node = SubResource("AnimationNodeBlend2_rl103")
+nodes/Trigger/node = SubResource("AnimationNodeBlend2_6wi1u")
 nodes/Trigger/position = Vector2(-360, 20)
 node_connections = [&"Grip", 0, &"Trigger", &"Grip", 1, &"ClosedHand2", &"Trigger", 0, &"OpenHand", &"Trigger", 1, &"ClosedHand1", &"output", 0, &"Grip"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_xw518"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_ou3pb"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_f0bph"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_qqj8i"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_s6bkv"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_osrqt"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Little_Distal_R", "Armature/Skeleton3D:Little_Intermediate_R", "Armature/Skeleton3D:Little_Metacarpal_R", "Armature/Skeleton3D:Little_Proximal_R", "Armature/Skeleton3D:Middle_Distal_R", "Armature/Skeleton3D:Middle_Intermediate_R", "Armature/Skeleton3D:Middle_Metacarpal_R", "Armature/Skeleton3D:Middle_Proximal_R", "Armature/Skeleton3D:Ring_Distal_R", "Armature/Skeleton3D:Ring_Intermediate_R", "Armature/Skeleton3D:Ring_Metacarpal_R", "Armature/Skeleton3D:Ring_Proximal_R", "Armature/Skeleton3D:Thumb_Distal_R", "Armature/Skeleton3D:Thumb_Metacarpal_R", "Armature/Skeleton3D:Thumb_Proximal_R", "Armature/Skeleton:Little_Distal_R", "Armature/Skeleton:Little_Intermediate_R", "Armature/Skeleton:Little_Proximal_R", "Armature/Skeleton:Middle_Distal_R", "Armature/Skeleton:Middle_Intermediate_R", "Armature/Skeleton:Middle_Proximal_R", "Armature/Skeleton:Ring_Distal_R", "Armature/Skeleton:Ring_Intermediate_R", "Armature/Skeleton:Ring_Proximal_R", "Armature/Skeleton:Thumb_Distal_R", "Armature/Skeleton:Thumb_Proximal_R"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_emhc7"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_b4tlu"]
 animation = &"Grip 5"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_0xlcy"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_cgjta"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Index_Distal_R", "Armature/Skeleton3D:Index_Intermediate_R", "Armature/Skeleton3D:Index_Metacarpal_R", "Armature/Skeleton3D:Index_Proximal_R", "Armature/Skeleton:Index_Distal_R", "Armature/Skeleton:Index_Intermediate_R", "Armature/Skeleton:Index_Proximal_R"]
 
-[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_fkgie"]
+[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_5tyiu"]
 graph_offset = Vector2(-552.664, 107.301)
-nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_xw518")
+nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_ou3pb")
 nodes/ClosedHand1/position = Vector2(-600, 300)
-nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_f0bph")
+nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_qqj8i")
 nodes/ClosedHand2/position = Vector2(-360, 300)
-nodes/Grip/node = SubResource("AnimationNodeBlend2_s6bkv")
+nodes/Grip/node = SubResource("AnimationNodeBlend2_osrqt")
 nodes/Grip/position = Vector2(0, 40)
-nodes/OpenHand/node = SubResource("AnimationNodeAnimation_emhc7")
+nodes/OpenHand/node = SubResource("AnimationNodeAnimation_b4tlu")
 nodes/OpenHand/position = Vector2(-600, 100)
-nodes/Trigger/node = SubResource("AnimationNodeBlend2_0xlcy")
+nodes/Trigger/node = SubResource("AnimationNodeBlend2_cgjta")
 nodes/Trigger/position = Vector2(-360, 40)
 node_connections = [&"Grip", 0, &"Trigger", &"Grip", 1, &"ClosedHand2", &"Trigger", 0, &"OpenHand", &"Trigger", 1, &"ClosedHand1", &"output", 0, &"Grip"]
 
@@ -120,8 +120,29 @@ auto_inner_radius = 0.5
 
 [node name="LeftHand" parent="XROrigin3D/LeftHand" index="0" instance=ExtResource("23_pr05t")]
 
+[node name="Skeleton3D" parent="XROrigin3D/LeftHand/LeftHand/Hand_low_L/Armature" index="0"]
+bones/1/rotation = Quaternion(0.323537, -2.56588e-05, -0.0272204, 0.945824)
+bones/2/rotation = Quaternion(-0.0904441, -0.0415175, -0.166293, 0.981042)
+bones/3/rotation = Quaternion(-0.0466199, 0.020971, 0.0103276, 0.998639)
+bones/5/rotation = Quaternion(-0.00128455, -0.0116081, -0.0168259, 0.99979)
+bones/6/rotation = Quaternion(0.102925, -0.00993208, -0.00794416, 0.994608)
+bones/7/rotation = Quaternion(-0.012859, -0.0236108, -0.323258, 0.945929)
+bones/8/rotation = Quaternion(0.0120575, -0.00929194, -0.247472, 0.968775)
+bones/10/rotation = Quaternion(-0.0357539, -0.000400032, 0.00636764, 0.99934)
+bones/11/rotation = Quaternion(-0.00264964, -0.00114471, -0.125992, 0.992027)
+bones/12/rotation = Quaternion(0.0394225, 0.00193393, -0.228074, 0.972843)
+bones/13/rotation = Quaternion(-0.0123395, -0.00881294, -0.280669, 0.959685)
+bones/15/rotation = Quaternion(-0.0702656, 0.0101908, -0.0243307, 0.99718)
+bones/16/rotation = Quaternion(-0.0320634, -0.00223624, -0.0686366, 0.997124)
+bones/17/rotation = Quaternion(0.0253452, 0.00812462, -0.249005, 0.968136)
+bones/18/rotation = Quaternion(0.00252232, 0.00788073, -0.243204, 0.96994)
+bones/20/rotation = Quaternion(-0.0917369, 0.0203027, -0.010183, 0.995524)
+bones/21/rotation = Quaternion(-0.0625182, -0.000225721, -0.115393, 0.991351)
+bones/22/rotation = Quaternion(0.0585786, 0.0216483, -0.269905, 0.96086)
+bones/23/rotation = Quaternion(0.00687177, -0.00357275, -0.211953, 0.977249)
+
 [node name="BoneAttachment3D" type="BoneAttachment3D" parent="XROrigin3D/LeftHand/LeftHand/Hand_low_L/Armature/Skeleton3D" index="1"]
-transform = Transform3D(0.54083, 0.840812, -0.0231736, -0.0826267, 0.0805244, 0.993322, 0.837063, -0.535304, 0.113024, 0.0399019, 0.0402829, -0.150096)
+transform = Transform3D(0.54083, 0.840813, -0.0231736, -0.0826267, 0.0805243, 0.993322, 0.837064, -0.535303, 0.113023, 0.039902, 0.0402828, -0.150096)
 bone_name = "Index_Tip_L"
 bone_idx = 9
 
@@ -130,7 +151,7 @@ transform = Transform3D(0.999999, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0)
 
 [node name="AnimationTree" parent="XROrigin3D/LeftHand/LeftHand" index="1"]
 root_node = NodePath("../Hand_low_L")
-tree_root = SubResource("AnimationNodeBlendTree_32y8o")
+tree_root = SubResource("AnimationNodeBlendTree_q7l4u")
 
 [node name="FunctionPoseDetector" parent="XROrigin3D/LeftHand" index="1" instance=ExtResource("5_xgcrx")]
 
@@ -143,11 +164,32 @@ strafe = true
 
 [node name="RightHand" parent="XROrigin3D/RightHand" index="0" instance=ExtResource("25_2b81d")]
 
+[node name="Skeleton3D" parent="XROrigin3D/RightHand/RightHand/Hand_low_R/Armature" index="0"]
+bones/1/rotation = Quaternion(0.323537, 2.56588e-05, 0.0272204, 0.945824)
+bones/2/rotation = Quaternion(-0.0904441, 0.0415175, 0.166293, 0.981042)
+bones/3/rotation = Quaternion(-0.0466199, -0.020971, -0.0103276, 0.998639)
+bones/5/rotation = Quaternion(-0.00128455, 0.0116081, 0.0168259, 0.99979)
+bones/6/rotation = Quaternion(0.102925, 0.00993208, 0.00794419, 0.994608)
+bones/7/rotation = Quaternion(-0.012859, 0.0236108, 0.323258, 0.945929)
+bones/8/rotation = Quaternion(0.0120575, 0.00929193, 0.247472, 0.968775)
+bones/10/rotation = Quaternion(-0.0357539, 0.000400032, -0.00636763, 0.99934)
+bones/11/rotation = Quaternion(-0.00264964, 0.00114471, 0.125992, 0.992027)
+bones/12/rotation = Quaternion(0.0394225, -0.00193393, 0.228074, 0.972843)
+bones/13/rotation = Quaternion(-0.0123395, 0.00881294, 0.280669, 0.959685)
+bones/15/rotation = Quaternion(-0.0702656, -0.0101908, 0.0243307, 0.99718)
+bones/16/rotation = Quaternion(-0.0320634, 0.00223624, 0.0686366, 0.997124)
+bones/17/rotation = Quaternion(0.0253452, -0.00812462, 0.249005, 0.968136)
+bones/18/rotation = Quaternion(0.00252233, -0.00788073, 0.243204, 0.96994)
+bones/20/rotation = Quaternion(-0.0917369, -0.0203027, 0.010183, 0.995524)
+bones/21/rotation = Quaternion(-0.0625182, 0.000225722, 0.115393, 0.991351)
+bones/22/rotation = Quaternion(0.0585786, -0.0216483, 0.269905, 0.96086)
+bones/23/rotation = Quaternion(0.00687177, 0.00357275, 0.211953, 0.977249)
+
 [node name="mesh_Hand_low_R" parent="XROrigin3D/RightHand/RightHand/Hand_low_R/Armature/Skeleton3D" index="0"]
 surface_material_override/0 = ExtResource("26_id1x7")
 
 [node name="BoneAttachment3D" type="BoneAttachment3D" parent="XROrigin3D/RightHand/RightHand/Hand_low_R/Armature/Skeleton3D" index="1"]
-transform = Transform3D(0.54083, -0.840812, 0.0231736, 0.0826267, 0.0805244, 0.993322, -0.837063, -0.535304, 0.113024, -0.0399019, 0.0402829, -0.150096)
+transform = Transform3D(0.540829, -0.840813, 0.0231736, 0.0826268, 0.0805242, 0.993322, -0.837064, -0.535303, 0.113024, -0.039902, 0.0402828, -0.150096)
 bone_name = "Index_Tip_R"
 bone_idx = 9
 
@@ -156,7 +198,7 @@ transform = Transform3D(0.999999, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0)
 
 [node name="AnimationTree" parent="XROrigin3D/RightHand/RightHand" index="1"]
 root_node = NodePath("../Hand_low_R")
-tree_root = SubResource("AnimationNodeBlendTree_fkgie")
+tree_root = SubResource("AnimationNodeBlendTree_5tyiu")
 
 [node name="FunctionPoseDetector" parent="XROrigin3D/RightHand" index="1" instance=ExtResource("5_xgcrx")]
 

scenes/pickable_demo/pickable_demo.tscn

@@ -36,65 +36,65 @@
 [ext_resource type="PackedScene" uid="uid://bmjemjgtnpkpo" path="res://assets/3dmodelscc0/models/scenes/sniper_rifle.tscn" id="25_xgu4l"]
 [ext_resource type="PackedScene" uid="uid://deuxld12hxsq0" path="res://scenes/pickable_demo/objects/picatinny_scope.tscn" id="26_x40vw"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_leov0"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_hyrry"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_tdgjj"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_w7n3y"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_ant8f"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_4ldx4"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Little_Distal_L", "Armature/Skeleton3D:Little_Intermediate_L", "Armature/Skeleton3D:Little_Metacarpal_L", "Armature/Skeleton3D:Little_Proximal_L", "Armature/Skeleton3D:Middle_Distal_L", "Armature/Skeleton3D:Middle_Intermediate_L", "Armature/Skeleton3D:Middle_Metacarpal_L", "Armature/Skeleton3D:Middle_Proximal_L", "Armature/Skeleton3D:Ring_Distal_L", "Armature/Skeleton3D:Ring_Intermediate_L", "Armature/Skeleton3D:Ring_Metacarpal_L", "Armature/Skeleton3D:Ring_Proximal_L", "Armature/Skeleton3D:Thumb_Distal_L", "Armature/Skeleton3D:Thumb_Metacarpal_L", "Armature/Skeleton3D:Thumb_Proximal_L", "Armature/Skeleton:Little_Distal_L", "Armature/Skeleton:Little_Intermediate_L", "Armature/Skeleton:Little_Proximal_L", "Armature/Skeleton:Middle_Distal_L", "Armature/Skeleton:Middle_Intermediate_L", "Armature/Skeleton:Middle_Proximal_L", "Armature/Skeleton:Ring_Distal_L", "Armature/Skeleton:Ring_Intermediate_L", "Armature/Skeleton:Ring_Proximal_L", "Armature/Skeleton:Thumb_Distal_L", "Armature/Skeleton:Thumb_Proximal_L"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_baddp"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_umxjy"]
 animation = &"Grip 5"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_41aoc"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_sx74n"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Index_Distal_L", "Armature/Skeleton3D:Index_Intermediate_L", "Armature/Skeleton3D:Index_Metacarpal_L", "Armature/Skeleton3D:Index_Proximal_L", "Armature/Skeleton:Index_Distal_L", "Armature/Skeleton:Index_Intermediate_L", "Armature/Skeleton:Index_Proximal_L"]
 
-[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_8kmfh"]
+[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_net35"]
 graph_offset = Vector2(-536, 11)
-nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_leov0")
+nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_hyrry")
 nodes/ClosedHand1/position = Vector2(-600, 300)
-nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_tdgjj")
+nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_w7n3y")
 nodes/ClosedHand2/position = Vector2(-360, 300)
-nodes/Grip/node = SubResource("AnimationNodeBlend2_ant8f")
+nodes/Grip/node = SubResource("AnimationNodeBlend2_4ldx4")
 nodes/Grip/position = Vector2(0, 20)
-nodes/OpenHand/node = SubResource("AnimationNodeAnimation_baddp")
+nodes/OpenHand/node = SubResource("AnimationNodeAnimation_umxjy")
 nodes/OpenHand/position = Vector2(-600, 100)
-nodes/Trigger/node = SubResource("AnimationNodeBlend2_41aoc")
+nodes/Trigger/node = SubResource("AnimationNodeBlend2_sx74n")
 nodes/Trigger/position = Vector2(-360, 20)
 node_connections = [&"Grip", 0, &"Trigger", &"Grip", 1, &"ClosedHand2", &"Trigger", 0, &"OpenHand", &"Trigger", 1, &"ClosedHand1", &"output", 0, &"Grip"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_8ri27"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_8m0xv"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_oe64k"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_kmq2h"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_7sh5g"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_05bsb"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Little_Distal_R", "Armature/Skeleton3D:Little_Intermediate_R", "Armature/Skeleton3D:Little_Metacarpal_R", "Armature/Skeleton3D:Little_Proximal_R", "Armature/Skeleton3D:Middle_Distal_R", "Armature/Skeleton3D:Middle_Intermediate_R", "Armature/Skeleton3D:Middle_Metacarpal_R", "Armature/Skeleton3D:Middle_Proximal_R", "Armature/Skeleton3D:Ring_Distal_R", "Armature/Skeleton3D:Ring_Intermediate_R", "Armature/Skeleton3D:Ring_Metacarpal_R", "Armature/Skeleton3D:Ring_Proximal_R", "Armature/Skeleton3D:Thumb_Distal_R", "Armature/Skeleton3D:Thumb_Metacarpal_R", "Armature/Skeleton3D:Thumb_Proximal_R", "Armature/Skeleton:Little_Distal_R", "Armature/Skeleton:Little_Intermediate_R", "Armature/Skeleton:Little_Proximal_R", "Armature/Skeleton:Middle_Distal_R", "Armature/Skeleton:Middle_Intermediate_R", "Armature/Skeleton:Middle_Proximal_R", "Armature/Skeleton:Ring_Distal_R", "Armature/Skeleton:Ring_Intermediate_R", "Armature/Skeleton:Ring_Proximal_R", "Armature/Skeleton:Thumb_Distal_R", "Armature/Skeleton:Thumb_Proximal_R"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_re3ic"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_ahncs"]
 animation = &"Grip 5"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_epdw0"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_xpqel"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Index_Distal_R", "Armature/Skeleton3D:Index_Intermediate_R", "Armature/Skeleton3D:Index_Metacarpal_R", "Armature/Skeleton3D:Index_Proximal_R", "Armature/Skeleton:Index_Distal_R", "Armature/Skeleton:Index_Intermediate_R", "Armature/Skeleton:Index_Proximal_R"]
 
-[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_x1lgc"]
+[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_26m0p"]
 graph_offset = Vector2(-552.664, 107.301)
-nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_8ri27")
+nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_8m0xv")
 nodes/ClosedHand1/position = Vector2(-600, 300)
-nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_oe64k")
+nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_kmq2h")
 nodes/ClosedHand2/position = Vector2(-360, 300)
-nodes/Grip/node = SubResource("AnimationNodeBlend2_7sh5g")
+nodes/Grip/node = SubResource("AnimationNodeBlend2_05bsb")
 nodes/Grip/position = Vector2(0, 40)
-nodes/OpenHand/node = SubResource("AnimationNodeAnimation_re3ic")
+nodes/OpenHand/node = SubResource("AnimationNodeAnimation_ahncs")
 nodes/OpenHand/position = Vector2(-600, 100)
-nodes/Trigger/node = SubResource("AnimationNodeBlend2_epdw0")
+nodes/Trigger/node = SubResource("AnimationNodeBlend2_xpqel")
 nodes/Trigger/position = Vector2(-360, 40)
 node_connections = [&"Grip", 0, &"Trigger", &"Grip", 1, &"ClosedHand2", &"Trigger", 0, &"OpenHand", &"Trigger", 1, &"ClosedHand1", &"output", 0, &"Grip"]
 
@@ -107,11 +107,11 @@ hand_skeleton = NodePath("LeftHand/Hand_Nails_low_L/Armature/Skeleton3D")
 [node name="LeftHand" parent="XROrigin3D/LeftHand/XRToolsCollisionHand" index="0" instance=ExtResource("7_ywaf6")]
 
 [node name="Skeleton3D" parent="XROrigin3D/LeftHand/XRToolsCollisionHand/LeftHand/Hand_Nails_low_L/Armature" index="0"]
-bones/1/rotation = Quaternion(0.323537, -2.56577e-05, -0.0272204, 0.945824)
+bones/1/rotation = Quaternion(0.323537, -2.56588e-05, -0.0272204, 0.945824)
 bones/2/rotation = Quaternion(-0.0904441, -0.0415175, -0.166293, 0.981042)
 bones/3/rotation = Quaternion(-0.0466199, 0.020971, 0.0103276, 0.998639)
 bones/5/rotation = Quaternion(-0.00128455, -0.0116081, -0.0168259, 0.99979)
-bones/6/rotation = Quaternion(0.102925, -0.00993208, -0.00794417, 0.994608)
+bones/6/rotation = Quaternion(0.102925, -0.00993208, -0.00794416, 0.994608)
 bones/7/rotation = Quaternion(-0.012859, -0.0236108, -0.323258, 0.945929)
 bones/8/rotation = Quaternion(0.0120575, -0.00929194, -0.247472, 0.968775)
 bones/10/rotation = Quaternion(-0.0357539, -0.000400032, 0.00636764, 0.99934)
@@ -123,7 +123,7 @@ bones/16/rotation = Quaternion(-0.0320634, -0.00223624, -0.0686366, 0.997124)
 bones/17/rotation = Quaternion(0.0253452, 0.00812462, -0.249005, 0.968136)
 bones/18/rotation = Quaternion(0.00252232, 0.00788073, -0.243204, 0.96994)
 bones/20/rotation = Quaternion(-0.0917369, 0.0203027, -0.010183, 0.995524)
-bones/21/rotation = Quaternion(-0.0625182, -0.00022572, -0.115393, 0.991351)
+bones/21/rotation = Quaternion(-0.0625182, -0.000225721, -0.115393, 0.991351)
 bones/22/rotation = Quaternion(0.0585786, 0.0216483, -0.269905, 0.96086)
 bones/23/rotation = Quaternion(0.00687177, -0.00357275, -0.211953, 0.977249)
 
@@ -139,7 +139,7 @@ push_bodies = false
 
 [node name="AnimationTree" parent="XROrigin3D/LeftHand/XRToolsCollisionHand/LeftHand" index="1"]
 root_node = NodePath("../Hand_Nails_low_L")
-tree_root = SubResource("AnimationNodeBlendTree_8kmfh")
+tree_root = SubResource("AnimationNodeBlendTree_net35")
 
 [node name="MovementDirect" parent="XROrigin3D/LeftHand/XRToolsCollisionHand" index="1" instance=ExtResource("7")]
 strafe = true
@@ -160,7 +160,7 @@ hand_skeleton = NodePath("RightHand/Hand_Nails_R/Armature/Skeleton3D")
 [node name="RightHand" parent="XROrigin3D/RightHand/XRToolsCollisionHand" index="0" instance=ExtResource("9_v8epv")]
 
 [node name="Skeleton3D" parent="XROrigin3D/RightHand/XRToolsCollisionHand/RightHand/Hand_Nails_R/Armature" index="0"]
-bones/1/rotation = Quaternion(0.323537, 2.56577e-05, 0.0272204, 0.945824)
+bones/1/rotation = Quaternion(0.323537, 2.56588e-05, 0.0272204, 0.945824)
 bones/2/rotation = Quaternion(-0.0904441, 0.0415175, 0.166293, 0.981042)
 bones/3/rotation = Quaternion(-0.0466199, -0.020971, -0.0103276, 0.998639)
 bones/5/rotation = Quaternion(-0.00128455, 0.0116081, 0.0168259, 0.99979)
@@ -176,7 +176,7 @@ bones/16/rotation = Quaternion(-0.0320634, 0.00223624, 0.0686366, 0.997124)
 bones/17/rotation = Quaternion(0.0253452, -0.00812462, 0.249005, 0.968136)
 bones/18/rotation = Quaternion(0.00252233, -0.00788073, 0.243204, 0.96994)
 bones/20/rotation = Quaternion(-0.0917369, -0.0203027, 0.010183, 0.995524)
-bones/21/rotation = Quaternion(-0.0625182, 0.000225721, 0.115393, 0.991351)
+bones/21/rotation = Quaternion(-0.0625182, 0.000225722, 0.115393, 0.991351)
 bones/22/rotation = Quaternion(0.0585786, -0.0216483, 0.269905, 0.96086)
 bones/23/rotation = Quaternion(0.00687177, 0.00357275, 0.211953, 0.977249)
 
@@ -192,7 +192,7 @@ push_bodies = false
 
 [node name="AnimationTree" parent="XROrigin3D/RightHand/XRToolsCollisionHand/RightHand" index="1"]
 root_node = NodePath("../Hand_Nails_R")
-tree_root = SubResource("AnimationNodeBlendTree_x1lgc")
+tree_root = SubResource("AnimationNodeBlendTree_26m0p")
 
 [node name="MovementDirect" parent="XROrigin3D/RightHand/XRToolsCollisionHand" index="1" instance=ExtResource("7")]
 

scenes/world_grab_demo/particle_test.gdshader

@@ -0,0 +1,40 @@
+shader_type spatial;
+render_mode unshaded, depth_draw_never, cull_disabled;
+
+// Uniforms that define the bounding box in world space.
+uniform vec3 bbox_min;
+uniform vec3 bbox_max;
+
+void vertex() {
+    // Compute the particle’s center in world space.
+    // (This assumes that your particle’s mesh is centered at the local origin.)
+    vec3 particle_center = (MODEL_MATRIX * vec4(0.0, 0.0, 0.0, 1.0)).xyz;
+
+    // Check if the particle’s center is within the provided bounding box.
+    bool inside = (particle_center.x >= bbox_min.x && particle_center.x <= bbox_max.x &&
+                   particle_center.y >= bbox_min.y && particle_center.y <= bbox_max.y &&
+                   particle_center.z >= bbox_min.z && particle_center.z <= bbox_max.z);
+
+    if (inside) {
+        // If the particle qualifies, we override its vertex positions so that
+        // regardless of its original quad, it covers the full clip space (i.e. the whole screen).
+        // This assumes exactly 4 vertices per instance.
+        if (VERTEX_ID == 0) {
+            POSITION = vec4(-1.0, -1.0, 0.0, 1.0);
+        } else if (VERTEX_ID == 1) {
+            POSITION = vec4( 1.0, -1.0, 0.0, 1.0);
+        } else if (VERTEX_ID == 2) {
+            POSITION = vec4(-1.0,  1.0, 0.0, 1.0);
+        } else {
+            POSITION = vec4( 1.0,  1.0, 0.0, 1.0);
+        }
+    } else {
+        // Otherwise, move the geometry far off clip space so it isn’t rendered.
+        POSITION = vec4(2.0, 2.0, 2.0, 1.0);
+    }
+}
+
+void fragment() {
+    // Output pure red color.
+    ALBEDO = vec3(1.0, 0.0, 0.0);
+}

scenes/world_grab_demo/particleemission.gdshader

@@ -0,0 +1,79 @@
+// NOTE: Shader automatically converted from Godot Engine 4.3.stable's StandardMaterial3D.
+
+shader_type spatial;
+render_mode blend_mix, depth_draw_opaque, cull_back, diffuse_burley, specular_schlick_ggx, vertex_lighting;
+
+uniform vec4 albedo : source_color;
+uniform sampler2D texture_albedo : source_color, filter_linear_mipmap, repeat_enable;
+uniform float point_size : hint_range(0.1, 128.0, 0.1);
+
+uniform float roughness : hint_range(0.0, 1.0);
+uniform sampler2D texture_metallic : hint_default_white, filter_linear_mipmap, repeat_enable;
+uniform vec4 metallic_texture_channel;
+uniform sampler2D texture_roughness : hint_roughness_r, filter_linear_mipmap, repeat_enable;
+
+uniform float specular : hint_range(0.0, 1.0, 0.01);
+uniform float metallic : hint_range(0.0, 1.0, 0.01);
+
+uniform sampler2D texture_emission : source_color, hint_default_black, filter_linear_mipmap, repeat_enable;
+uniform vec4 emission : source_color;
+uniform float emission_energy : hint_range(0.0, 100.0, 0.01);
+
+uniform vec3 uv1_scale;
+uniform vec3 uv1_offset;
+uniform vec3 uv2_scale;
+uniform vec3 uv2_offset;
+
+void vertex() {
+	// Vertex Color is sRGB: Enabled
+	if (!OUTPUT_IS_SRGB) {
+		COLOR.rgb = mix(
+				pow((COLOR.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)),
+				COLOR.rgb * (1.0 / 12.92),
+				lessThan(COLOR.rgb, vec3(0.04045)));
+	}
+
+	// Shading Mode: Per Vertex
+	ROUGHNESS = roughness;
+
+	UV = UV * uv1_scale.xy + uv1_offset.xy;
+
+	// Billboard Mode: Enabled
+	MODELVIEW_MATRIX = VIEW_MATRIX * mat4(
+			MAIN_CAM_INV_VIEW_MATRIX[0],
+			MAIN_CAM_INV_VIEW_MATRIX[1],
+			MAIN_CAM_INV_VIEW_MATRIX[2],
+			MODEL_MATRIX[3]);
+
+	// Billboard Keep Scale: Enabled
+	MODELVIEW_MATRIX = MODELVIEW_MATRIX * mat4(
+			vec4(length(MODEL_MATRIX[0].xyz), 0.0, 0.0, 0.0),
+			vec4(0.0, length(MODEL_MATRIX[1].xyz), 0.0, 0.0),
+			vec4(0.0, 0.0, length(MODEL_MATRIX[2].xyz), 0.0),
+			vec4(0.0, 0.0, 0.0, 1.0));
+	MODELVIEW_NORMAL_MATRIX = mat3(MODELVIEW_MATRIX);
+}
+
+void fragment() {
+	vec2 base_uv = UV;
+
+	vec4 albedo_tex = texture(texture_albedo, base_uv);
+
+	// Vertex Color Use as Albedo: Enabled
+	albedo_tex *= COLOR;
+
+	ALBEDO = albedo.rgb * albedo_tex.rgb;
+
+	float metallic_tex = dot(texture(texture_metallic, base_uv), metallic_texture_channel);
+	METALLIC = metallic_tex * metallic;
+	SPECULAR = specular;
+
+	vec4 roughness_texture_channel = vec4(1.0, 0.0, 0.0, 0.0);
+	float roughness_tex = dot(texture(texture_roughness, base_uv), roughness_texture_channel);
+	ROUGHNESS = roughness_tex * roughness;
+
+	// Emission: Enabled
+	vec3 emission_tex = texture(texture_emission, base_uv).rgb;
+	// Emission Operator: Add
+	EMISSION = (ALBEDO) * emission_energy;
+}

scenes/world_grab_demo/particleprocess.gdshader

@@ -0,0 +1,442 @@
+// NOTE: Shader automatically converted from Godot Engine 4.3.stable's ParticleProcessMaterial.
+
+shader_type particles;
+render_mode disable_velocity;
+
+uniform vec3 direction;
+uniform float spread;
+uniform float flatness;
+uniform float inherit_emitter_velocity_ratio = 0.0;
+uniform float initial_linear_velocity_min;
+uniform float initial_linear_velocity_max;
+uniform float directional_velocity_min;
+uniform float directional_velocity_max;
+uniform float angular_velocity_min;
+uniform float angular_velocity_max;
+uniform float orbit_velocity_min;
+uniform float orbit_velocity_max;
+uniform float radial_velocity_min;
+uniform float radial_velocity_max;
+uniform float linear_accel_min;
+uniform float linear_accel_max;
+uniform float radial_accel_min;
+uniform float radial_accel_max;
+uniform float tangent_accel_min;
+uniform float tangent_accel_max;
+uniform float damping_min;
+uniform float damping_max;
+uniform float initial_angle_min;
+uniform float initial_angle_max;
+uniform float scale_min;
+uniform float scale_max;
+uniform float hue_variation_min;
+uniform float hue_variation_max;
+uniform float anim_speed_min;
+uniform float anim_speed_max;
+uniform float anim_offset_min;
+uniform float anim_offset_max;
+uniform float lifetime_randomness;
+uniform vec3 emission_shape_offset = vec3(0.0);
+uniform vec3 emission_shape_scale = vec3(1.0);
+uniform vec3 velocity_pivot = vec3(0.0);
+uniform vec4 color_value : source_color;
+uniform vec3 gravity;
+uniform sampler2D color_ramp : repeat_disable;
+uniform float turbulence_noise_strength;
+uniform float turbulence_noise_scale;
+uniform float turbulence_influence_min;
+uniform float turbulence_influence_max;
+uniform float turbulence_initial_displacement_min;
+uniform float turbulence_initial_displacement_max;
+uniform float turbulence_noise_speed_random;
+uniform vec3 turbulence_noise_speed = vec3(1.0, 1.0, 1.0);
+
+// Functions for 3D noise / turbulence.
+vec4 grad(vec4 p) {
+	p = fract(vec4(
+			dot(p, vec4(0.143081, 0.001724, 0.280166, 0.262771)),
+			dot(p, vec4(0.645401, -0.047791, -0.146698, 0.595016)),
+			dot(p, vec4(-0.499665, -0.095734, 0.425674, -0.207367)),
+			dot(p, vec4(-0.013596, -0.848588, 0.423736, 0.17044))));
+	return fract((p.xyzw * p.yzwx) * 2365.952041) * 2.0 - 1.0;
+}
+
+float noise(vec4 coord) {
+	// Domain rotation to improve the look of XYZ slices + animation patterns.
+	coord = vec4(
+			coord.xyz + dot(coord, vec4(vec3(-0.1666667), -0.5)),
+			dot(coord, vec4(0.5)));
+
+	vec4 base = floor(coord), delta = coord - base;
+
+	vec4 grad_0000 = grad(base + vec4(0.0, 0.0, 0.0, 0.0)), grad_1000 = grad(base + vec4(1.0, 0.0, 0.0, 0.0));
+	vec4 grad_0100 = grad(base + vec4(0.0, 1.0, 0.0, 0.0)), grad_1100 = grad(base + vec4(1.0, 1.0, 0.0, 0.0));
+	vec4 grad_0010 = grad(base + vec4(0.0, 0.0, 1.0, 0.0)), grad_1010 = grad(base + vec4(1.0, 0.0, 1.0, 0.0));
+	vec4 grad_0110 = grad(base + vec4(0.0, 1.0, 1.0, 0.0)), grad_1110 = grad(base + vec4(1.0, 1.0, 1.0, 0.0));
+	vec4 grad_0001 = grad(base + vec4(0.0, 0.0, 0.0, 1.0)), grad_1001 = grad(base + vec4(1.0, 0.0, 0.0, 1.0));
+	vec4 grad_0101 = grad(base + vec4(0.0, 1.0, 0.0, 1.0)), grad_1101 = grad(base + vec4(1.0, 1.0, 0.0, 1.0));
+	vec4 grad_0011 = grad(base + vec4(0.0, 0.0, 1.0, 1.0)), grad_1011 = grad(base + vec4(1.0, 0.0, 1.0, 1.0));
+	vec4 grad_0111 = grad(base + vec4(0.0, 1.0, 1.0, 1.0)), grad_1111 = grad(base + vec4(1.0, 1.0, 1.0, 1.0));
+
+	vec4 result_0123 = vec4(
+			dot(delta - vec4(0.0, 0.0, 0.0, 0.0), grad_0000), dot(delta - vec4(1.0, 0.0, 0.0, 0.0), grad_1000),
+			dot(delta - vec4(0.0, 1.0, 0.0, 0.0), grad_0100), dot(delta - vec4(1.0, 1.0, 0.0, 0.0), grad_1100));
+	vec4 result_4567 = vec4(
+			dot(delta - vec4(0.0, 0.0, 1.0, 0.0), grad_0010), dot(delta - vec4(1.0, 0.0, 1.0, 0.0), grad_1010),
+			dot(delta - vec4(0.0, 1.0, 1.0, 0.0), grad_0110), dot(delta - vec4(1.0, 1.0, 1.0, 0.0), grad_1110));
+	vec4 result_89AB = vec4(
+			dot(delta - vec4(0.0, 0.0, 0.0, 1.0), grad_0001), dot(delta - vec4(1.0, 0.0, 0.0, 1.0), grad_1001),
+			dot(delta - vec4(0.0, 1.0, 0.0, 1.0), grad_0101), dot(delta - vec4(1.0, 1.0, 0.0, 1.0), grad_1101));
+	vec4 result_CDEF = vec4(
+			dot(delta - vec4(0.0, 0.0, 1.0, 1.0), grad_0011), dot(delta - vec4(1.0, 0.0, 1.0, 1.0), grad_1011),
+			dot(delta - vec4(0.0, 1.0, 1.0, 1.0), grad_0111), dot(delta - vec4(1.0, 1.0, 1.0, 1.0), grad_1111));
+
+	vec4 fade = delta * delta * delta * (10.0 + delta * (-15.0 + delta * 6.0));
+	vec4 result_W0 = mix(result_0123, result_89AB, fade.w), result_W1 = mix(result_4567, result_CDEF, fade.w);
+	vec4 result_WZ = mix(result_W0, result_W1, fade.z);
+	vec2 result_WZY = mix(result_WZ.xy, result_WZ.zw, fade.y);
+	return mix(result_WZY.x, result_WZY.y, fade.x);
+}
+
+// Curl 3D and three-noise function with friendly permission by Isaac Cohen.
+// Modified to accept 4D noise.
+vec3 noise_3x(vec4 p) {
+	float s = noise(p);
+	float s1 = noise(p + vec4(vec3(0.0), 1.7320508 * 2048.333333));
+	float s2 = noise(p - vec4(vec3(0.0), 1.7320508 * 2048.333333));
+	vec3 c = vec3(s, s1, s2);
+	return c;
+}
+
+vec3 curl_3d(vec4 p, float c) {
+	float epsilon = 0.001 + c;
+	vec4 dx = vec4(epsilon, 0.0, 0.0, 0.0);
+	vec4 dy = vec4(0.0, epsilon, 0.0, 0.0);
+	vec4 dz = vec4(0.0, 0.0, epsilon, 0.0);
+	vec3 x0 = noise_3x(p - dx).xyz;
+	vec3 x1 = noise_3x(p + dx).xyz;
+	vec3 y0 = noise_3x(p - dy).xyz;
+	vec3 y1 = noise_3x(p + dy).xyz;
+	vec3 z0 = noise_3x(p - dz).xyz;
+	vec3 z1 = noise_3x(p + dz).xyz;
+	float x = (y1.z - y0.z) - (z1.y - z0.y);
+	float y = (z1.x - z0.x) - (x1.z - x0.z);
+	float z = (x1.y - x0.y) - (y1.x - y0.x);
+	return normalize(vec3(x, y, z));
+}
+
+vec3 get_noise_direction(vec3 pos) {
+	float adj_contrast = max((turbulence_noise_strength - 1.0), 0.0) * 70.0;
+	vec4 noise_time = TIME * vec4(turbulence_noise_speed, turbulence_noise_speed_random);
+	vec4 noise_pos = vec4(pos * turbulence_noise_scale, 0.0);
+	vec3 noise_direction = curl_3d(noise_pos + noise_time, adj_contrast);
+	noise_direction = mix(0.9 * noise_direction, noise_direction, turbulence_noise_strength - 9.0);
+	return noise_direction;
+}
+
+vec4 rotate_hue(vec4 current_color, float hue_rot_angle) {
+	float hue_rot_c = cos(hue_rot_angle);
+	float hue_rot_s = sin(hue_rot_angle);
+	mat4 hue_rot_mat =
+			mat4(vec4(0.299, 0.587, 0.114, 0.0),
+					vec4(0.299, 0.587, 0.114, 0.0),
+					vec4(0.299, 0.587, 0.114, 0.0),
+					vec4(0.000, 0.000, 0.000, 1.0)) +
+			mat4(vec4(0.701, -0.587, -0.114, 0.0),
+					vec4(-0.299, 0.413, -0.114, 0.0),
+					vec4(-0.300, -0.588, 0.886, 0.0),
+					vec4(0.000, 0.000, 0.000, 0.0)) *
+					hue_rot_c +
+			mat4(vec4(0.168, 0.330, -0.497, 0.0),
+					vec4(-0.328, 0.035, 0.292, 0.0),
+					vec4(1.250, -1.050, -0.203, 0.0),
+					vec4(0.000, 0.000, 0.000, 0.0)) *
+					hue_rot_s;
+	return hue_rot_mat * current_color;
+}
+
+float rand_from_seed(inout uint seed) {
+	int k;
+	int s = int(seed);
+	if (s == 0) {
+		s = 305420679;
+	}
+	k = s / 127773;
+	s = 16807 * (s - k * 127773) - 2836 * k;
+	if (s < 0) {
+		s += 2147483647;
+	}
+	seed = uint(s);
+	return float(seed % uint(65536)) / 65535.0;
+}
+
+float rand_from_seed_m1_p1(inout uint seed) {
+	return rand_from_seed(seed) * 2.0 - 1.0;
+}
+
+uint hash(uint x) {
+	x = ((x >> uint(16)) ^ x) * uint(73244475);
+	x = ((x >> uint(16)) ^ x) * uint(73244475);
+	x = (x >> uint(16)) ^ x;
+	return x;
+}
+
+struct DisplayParameters {
+	vec3 scale;
+	float hue_rotation;
+	float animation_speed;
+	float animation_offset;
+	float lifetime;
+	vec4 color;
+};
+
+struct DynamicsParameters {
+	float angle;
+	float angular_velocity;
+	float initial_velocity_multiplier;
+	float directional_velocity;
+	float radial_velocity;
+	float orbit_velocity;
+	float turb_influence;
+};
+
+struct PhysicalParameters {
+	float linear_accel;
+	float radial_accel;
+	float tangent_accel;
+	float damping;
+};
+
+void calculate_initial_physical_params(inout PhysicalParameters params, inout uint alt_seed) {
+	params.linear_accel = mix(linear_accel_min, linear_accel_max, rand_from_seed(alt_seed));
+	params.radial_accel = mix(radial_accel_min, radial_accel_max, rand_from_seed(alt_seed));
+	params.tangent_accel = mix(tangent_accel_min, tangent_accel_max, rand_from_seed(alt_seed));
+	params.damping = mix(damping_min, damping_max, rand_from_seed(alt_seed));
+}
+
+void calculate_initial_dynamics_params(inout DynamicsParameters params, inout uint alt_seed) {
+	// -------------------- DO NOT REORDER OPERATIONS, IT BREAKS VISUAL COMPATIBILITY
+	// -------------------- ADD NEW OPERATIONS AT THE BOTTOM
+	params.angle = mix(initial_angle_min, initial_angle_max, rand_from_seed(alt_seed));
+	params.angular_velocity = mix(angular_velocity_min, angular_velocity_max, rand_from_seed(alt_seed));
+	params.initial_velocity_multiplier = mix(initial_linear_velocity_min, initial_linear_velocity_max, rand_from_seed(alt_seed));
+	params.directional_velocity = mix(directional_velocity_min, directional_velocity_max, rand_from_seed(alt_seed));
+	params.radial_velocity = mix(radial_velocity_min, radial_velocity_max, rand_from_seed(alt_seed));
+	params.orbit_velocity = mix(orbit_velocity_min, orbit_velocity_max, rand_from_seed(alt_seed));
+	params.turb_influence = mix(turbulence_influence_min, turbulence_influence_max, rand_from_seed(alt_seed));
+}
+
+void calculate_initial_display_params(inout DisplayParameters params, inout uint alt_seed) {
+	// -------------------- DO NOT REORDER OPERATIONS, IT BREAKS VISUAL COMPATIBILITY
+	// -------------------- ADD NEW OPERATIONS AT THE BOTTOM
+	float pi = 3.14159;
+	params.scale = vec3(mix(scale_min, scale_max, rand_from_seed(alt_seed)));
+	params.scale = sign(params.scale) * max(abs(params.scale), 0.001);
+	params.hue_rotation = pi * 2.0 * mix(hue_variation_min, hue_variation_max, rand_from_seed(alt_seed));
+	params.animation_speed = mix(anim_speed_min, anim_speed_max, rand_from_seed(alt_seed));
+	params.animation_offset = mix(anim_offset_min, anim_offset_max, rand_from_seed(alt_seed));
+	params.lifetime = (1.0 - lifetime_randomness * rand_from_seed(alt_seed));
+	params.color = color_value;
+}
+
+void process_display_param(inout DisplayParameters parameters, float lifetime) {
+	// Compile-time add textures.
+	parameters.color *= texture(color_ramp, vec2(lifetime));
+	parameters.color = rotate_hue(parameters.color, parameters.hue_rotation);
+}
+
+vec3 calculate_initial_position(inout uint alt_seed) {
+	float pi = 3.14159;
+	vec3 pos = vec3(0.0);
+	{ // Emission shape.
+	 	pos = vec3(0.0);
+	}
+	return pos * emission_shape_scale + emission_shape_offset;
+}
+
+vec3 get_random_direction_from_spread(inout uint alt_seed, float spread_angle) {
+	float pi = 3.14159;
+	float degree_to_rad = pi / 180.0;
+	float spread_rad = spread_angle * degree_to_rad;
+	float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;
+	float angle2_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);
+	vec3 direction_xz = vec3(sin(angle1_rad), 0.0, cos(angle1_rad));
+	vec3 direction_yz = vec3(0.0, sin(angle2_rad), cos(angle2_rad));
+	direction_yz.z = direction_yz.z / max(0.0001, sqrt(abs(direction_yz.z))); // Better uniform distribution.
+	vec3 spread_direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);
+	vec3 direction_nrm = length(direction) > 0.0 ? normalize(direction) : vec3(0.0, 0.0, 1.0);
+	// Rotate spread to direction.
+	vec3 binormal = cross(vec3(0.0, 1.0, 0.0), direction_nrm);
+	if (length(binormal) < 0.0001) {
+		// Direction is parallel to Y. Choose Z as the binormal.
+		binormal = vec3(0.0, 0.0, 1.0);
+	}
+	binormal = normalize(binormal);
+	vec3 normal = cross(binormal, direction_nrm);
+	spread_direction = binormal * spread_direction.x + normal * spread_direction.y + direction_nrm * spread_direction.z;
+	return normalize(spread_direction);
+}
+
+vec3 process_radial_displacement(DynamicsParameters param, float lifetime, inout uint alt_seed, mat4 transform, mat4 emission_transform, float delta) {
+	vec3 radial_displacement = vec3(0.0);
+	if (delta < 0.001) {
+		return radial_displacement;
+	}
+	float radial_displacement_multiplier = 1.0;
+	vec3 global_pivot = (emission_transform * vec4(velocity_pivot, 1.0)).xyz;
+	if (length(transform[3].xyz - global_pivot) > 0.01) {
+		radial_displacement = normalize(transform[3].xyz - global_pivot) * radial_displacement_multiplier * param.radial_velocity;
+	} else {
+		radial_displacement = get_random_direction_from_spread(alt_seed, 360.0) * param.radial_velocity;
+	}
+	if (radial_displacement_multiplier * param.radial_velocity < 0.0) {
+		// Prevent inwards velocity to flicker once the point is reached.
+		radial_displacement = normalize(radial_displacement) * min(abs(radial_displacement_multiplier * param.radial_velocity), length(transform[3].xyz - global_pivot) / delta);
+	}
+	return radial_displacement;
+}
+
+void process_physical_parameters(inout PhysicalParameters params, float lifetime_percent) {
+}
+
+void start() {
+	uint base_number = NUMBER;
+	uint alt_seed = hash(base_number + uint(1) + RANDOM_SEED);
+	DisplayParameters params;
+	calculate_initial_display_params(params, alt_seed);
+	// Reset alt seed?
+	//alt_seed = hash(base_number + uint(1) + RANDOM_SEED);
+	DynamicsParameters dynamic_params;
+	calculate_initial_dynamics_params(dynamic_params, alt_seed);
+	PhysicalParameters physics_params;
+	calculate_initial_physical_params(physics_params, alt_seed);
+	process_display_param(params, 0.0);
+	if (rand_from_seed(alt_seed) > AMOUNT_RATIO) {
+		ACTIVE = false;
+	}
+
+	if (RESTART_CUSTOM) {
+		CUSTOM = vec4(0.0);
+		CUSTOM.w = params.lifetime;
+		CUSTOM.x = dynamic_params.angle;
+	}
+	if (RESTART_COLOR) {
+		COLOR = params.color;
+	}
+	if (RESTART_ROT_SCALE) {
+		TRANSFORM[0].xyz = vec3(1.0, 0.0, 0.0);
+		TRANSFORM[1].xyz = vec3(0.0, 1.0, 0.0);
+		TRANSFORM[2].xyz = vec3(0.0, 0.0, 1.0);
+	}
+	if (RESTART_POSITION) {
+		TRANSFORM[3].xyz = calculate_initial_position(alt_seed);
+		float initial_turbulence_displacement = mix(turbulence_initial_displacement_min, turbulence_initial_displacement_max, rand_from_seed(alt_seed));
+		vec3 noise_direction = get_noise_direction(TRANSFORM[3].xyz);
+		TRANSFORM[3].xyz += noise_direction * initial_turbulence_displacement;
+		TRANSFORM = EMISSION_TRANSFORM * TRANSFORM;
+	}
+	if (RESTART_VELOCITY) {
+		VELOCITY = get_random_direction_from_spread(alt_seed, spread) * dynamic_params.initial_velocity_multiplier;
+	}
+
+	process_display_param(params, 0.0);
+
+	VELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY, 0.0)).xyz;
+	VELOCITY += EMITTER_VELOCITY * inherit_emitter_velocity_ratio;
+}
+
+void process() {
+	uint base_number = NUMBER;
+	//if (repeatable) {
+	//	base_number = INDEX;
+	//}
+	uint alt_seed = hash(base_number + uint(1) + RANDOM_SEED);
+	DisplayParameters params;
+	calculate_initial_display_params(params, alt_seed);
+	DynamicsParameters dynamic_params;
+	calculate_initial_dynamics_params(dynamic_params, alt_seed);
+	PhysicalParameters physics_params;
+	calculate_initial_physical_params(physics_params, alt_seed);
+
+	float pi = 3.14159;
+	float degree_to_rad = pi / 180.0;
+
+	CUSTOM.y += DELTA / LIFETIME;
+	CUSTOM.y = mix(CUSTOM.y, 1.0, INTERPOLATE_TO_END);
+	float lifetime_percent = CUSTOM.y / params.lifetime;
+	if (CUSTOM.y > CUSTOM.w) {
+		ACTIVE = false;
+	}
+
+	// Calculate all velocity.
+	vec3 controlled_displacement = vec3(0.0);
+	controlled_displacement += process_radial_displacement(dynamic_params, lifetime_percent, alt_seed, TRANSFORM, EMISSION_TRANSFORM, DELTA);
+
+	process_physical_parameters(physics_params, lifetime_percent);
+	vec3 force;
+	{
+		// Copied from previous version.
+		vec3 pos = TRANSFORM[3].xyz;
+		force = gravity;
+		// Apply linear acceleration.
+		force += length(VELOCITY) > 0.0 ? normalize(VELOCITY) * physics_params.linear_accel : vec3(0.0);
+		// Apply radial acceleration.
+		vec3 org = EMISSION_TRANSFORM[3].xyz;
+		vec3 diff = pos - org;
+		force += length(diff) > 0.0 ? normalize(diff) * physics_params.radial_accel : vec3(0.0);
+		// Apply tangential acceleration.
+		float tangent_accel_val = physics_params.tangent_accel;
+		vec3 crossDiff = cross(normalize(diff), normalize(gravity));
+		force += length(crossDiff) > 0.0 ? normalize(crossDiff) * tangent_accel_val : vec3(0.0);
+		force += ATTRACTOR_FORCE;
+		// Apply attractor forces.
+		VELOCITY += force * DELTA;
+	}
+	{
+		// Copied from previous version.
+		if (physics_params.damping > 0.0) {
+			float v = length(VELOCITY);
+			v -= physics_params.damping * DELTA;
+			if (v < 0.0) {
+				VELOCITY = vec3(0.0);
+			} else {
+				VELOCITY = normalize(VELOCITY) * v;
+			}
+		}
+	}
+
+	// Turbulence before limiting.
+	float turbulence_influence = 1.0;
+
+	vec3 noise_direction = get_noise_direction(TRANSFORM[3].xyz);
+	{
+		float vel_mag = length(VELOCITY);
+		float vel_infl = clamp(dynamic_params.turb_influence * turbulence_influence, 0.0, 1.0);
+		VELOCITY = mix(VELOCITY, normalize(noise_direction) * vel_mag * (1.0 + (1.0 - vel_infl) * 0.2), vel_infl);
+		vel_mag = length(controlled_displacement);
+		controlled_displacement = mix(controlled_displacement, normalize(noise_direction) * vel_mag * (1.0 + (1.0 - vel_infl) * 0.2), vel_infl);
+	}
+	vec3 final_velocity = controlled_displacement + VELOCITY;
+
+	TRANSFORM[3].xyz += final_velocity * DELTA;
+
+	process_display_param(params, lifetime_percent);
+
+	float base_angle = dynamic_params.angle;
+	base_angle += CUSTOM.y * LIFETIME * dynamic_params.angular_velocity;
+	CUSTOM.x = base_angle * degree_to_rad;
+	COLOR = params.color;
+
+	TRANSFORM[0].xyz = normalize(TRANSFORM[0].xyz);
+	TRANSFORM[1].xyz = normalize(TRANSFORM[1].xyz);
+	TRANSFORM[2].xyz = normalize(TRANSFORM[2].xyz);
+	TRANSFORM[0].xyz *= sign(params.scale.x) * max(abs(params.scale.x), 0.001);
+	TRANSFORM[1].xyz *= sign(params.scale.y) * max(abs(params.scale.y), 0.001);
+	TRANSFORM[2].xyz *= sign(params.scale.z) * max(abs(params.scale.z), 0.001);
+
+	CUSTOM.z = params.animation_offset + lifetime_percent * params.animation_speed;
+
+	if (CUSTOM.y > CUSTOM.w) {
+		ACTIVE = false;
+	}
+}

scenes/world_grab_demo/proxy_collision_detector.gd

@@ -0,0 +1,90 @@
+extends Node3D
+
+# Exported node paths for references in the editor.
+@export var real_particles_path: NodePath        # The real GPUParticles3D in the scene.
+@export var real_attractor_path: NodePath          # The real attractor node.
+@export var target_collision_box_path: NodePath    # a node for the particle target, assumed to be a 1x1x1 cube around its origin.
+@export var debug_label_path: NodePath             # A Label node to show "Target Hit: true/false".
+
+# Variables to hold the real nodes.
+var real_particles: GPUParticles3D
+var real_attractor: Node3D
+var target_collision_box: Node3D
+var debug_label: Label3D
+
+# Cloned proxy nodes that will live in the offscreen SubViewport.
+var clone_particles: GPUParticles3D
+var clone_attractor: Node3D
+
+# The SubViewport (and its container) for offscreen rendering.
+var sub_viewport_container: SubViewportContainer
+var sub_viewport: SubViewport
+
+# Path to your special testing shader resource.
+var test_shader_path := "res://scenes/world_grab_demo/particle_test.gdshader"
+var test_shader: Shader
+var test_shader_material: ShaderMaterial
+
+func _ready():
+	# Get the real nodes from the exported paths.
+	real_particles = get_node(real_particles_path) as GPUParticles3D
+	real_attractor = get_node(real_attractor_path) as Node3D
+	target_collision_box = get_node(target_collision_box_path) as Node3D
+	debug_label = get_node(debug_label_path) as Label3D
+
+	# Create a SubViewportContainer and a SubViewport.
+	sub_viewport_container = SubViewportContainer.new()
+	add_child(sub_viewport_container)
+	sub_viewport = SubViewport.new()
+	sub_viewport_container.add_child(sub_viewport)
+	# Set the SubViewport resolution to a very low value (2x2 pixels).
+	sub_viewport.size = Vector2i(2, 2)
+	sub_viewport.render_target_update_mode = SubViewport.UPDATE_ALWAYS
+	sub_viewport.own_world_3d = true
+	#sub_viewport.render_target_v_flip = false
+	
+	# Add a Camera3D to the SubViewport
+	var camera = Camera3D.new()
+	sub_viewport.add_child(camera)
+
+	# Clone the particle system and attractor. Using duplicate() with default flags
+	# (which duplicates recursively) so that the clones have similar structure.
+	clone_particles = real_particles.duplicate() as GPUParticles3D
+	clone_attractor = real_attractor.duplicate() as Node3D
+
+	# Add the clones to the SubViewport so they render in its world.
+	sub_viewport.add_child(clone_particles)
+	sub_viewport.add_child(clone_attractor)
+
+	# Load the testing shader and assign it to the clone particle system.
+	test_shader = load(test_shader_path)
+	test_shader_material = ShaderMaterial.new()
+	test_shader_material.shader = test_shader
+	
+	# Create a copy of the draw_pass_1 mesh
+	var mesh_copy = clone_particles.draw_pass_1.duplicate()
+	clone_particles.draw_pass_1 = mesh_copy
+	
+	# Apply the shader material to the copied mesh
+	clone_particles.draw_pass_1.surface_set_material(0, test_shader_material)
+
+func _process(_delta):
+	# Synchronize the global transforms of the clones with the real objects.
+	clone_particles.global_transform = real_particles.global_transform
+	clone_attractor.global_transform = real_attractor.global_transform
+
+	# update the shader parameter for the target bounds.
+	test_shader_material.set_shader_parameter("bbox_min", target_collision_box.global_position)
+	test_shader_material.set_shader_parameter("bbox_max", target_collision_box.global_position + Vector3(1, 1, 1))
+
+	# Get the rendered image from the SubViewport.
+	var viewport_tex := sub_viewport.get_texture()
+	if viewport_tex:
+		var img: Image = viewport_tex.get_image()
+		if img:
+			# Check only the first pixel in the 2x2 render output.
+			var col: Color = img.get_pixel(0, 0)
+			# Our testing shader outputs red (1,0,0) for particles inside the box.
+			var hit := col.r > 0.9 and col.g < 0.1 and col.b < 0.1
+			# Update the debug label to show whether the target is hit.
+			debug_label.text = "Target Hit: " + ("Yes" if hit else "No")

scenes/world_grab_demo/world_grab_demo.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=33 format=3 uid="uid://bmmpivq57eehv"]
+[gd_scene load_steps=52 format=3 uid="uid://bmmpivq57eehv"]
 
 [ext_resource type="PackedScene" uid="uid://qbmx03iibuuu" path="res://addons/godot-xr-tools/staging/scene_base.tscn" id="1_6211a"]
 [ext_resource type="PackedScene" uid="uid://b4kad2kuba1yn" path="res://addons/godot-xr-tools/hands/scenes/lowpoly/left_hand_low.tscn" id="2_dss28"]
@@ -19,72 +19,155 @@
 [ext_resource type="PackedScene" uid="uid://b7rp2m8eutbwi" path="res://scenes/world_grab_demo/objects/arena_block.tscn" id="14_wbotr"]
 [ext_resource type="PackedScene" uid="uid://d3x7ha0qme5uv" path="res://scenes/world_grab_demo/objects/arena_cylinder.tscn" id="15_ghqx0"]
 [ext_resource type="PackedScene" uid="uid://v1ajdy8xxct3" path="res://scenes/world_grab_demo/objects/arena_wall.tscn" id="16_bar6p"]
+[ext_resource type="Script" path="res://addons/godot-xr-tools/objects/pickable.gd" id="20_bgctf"]
+[ext_resource type="PackedScene" uid="uid://c25yxb0vt53vc" path="res://addons/godot-xr-tools/objects/grab_points/grab_point_hand_left.tscn" id="21_v207o"]
+[ext_resource type="PackedScene" uid="uid://ctw7nbntd5pcj" path="res://addons/godot-xr-tools/objects/grab_points/grab_point_hand_right.tscn" id="22_0w02o"]
+[ext_resource type="Script" path="res://scenes/world_grab_demo/proxy_collision_detector.gd" id="25_6xc52"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_oa7lu"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_3vdkb"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_qypxn"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_7kr0y"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_24u04"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_4nm7q"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Little_Distal_L", "Armature/Skeleton3D:Little_Intermediate_L", "Armature/Skeleton3D:Little_Metacarpal_L", "Armature/Skeleton3D:Little_Proximal_L", "Armature/Skeleton3D:Middle_Distal_L", "Armature/Skeleton3D:Middle_Intermediate_L", "Armature/Skeleton3D:Middle_Metacarpal_L", "Armature/Skeleton3D:Middle_Proximal_L", "Armature/Skeleton3D:Ring_Distal_L", "Armature/Skeleton3D:Ring_Intermediate_L", "Armature/Skeleton3D:Ring_Metacarpal_L", "Armature/Skeleton3D:Ring_Proximal_L", "Armature/Skeleton3D:Thumb_Distal_L", "Armature/Skeleton3D:Thumb_Metacarpal_L", "Armature/Skeleton3D:Thumb_Proximal_L", "Armature/Skeleton:Little_Distal_L", "Armature/Skeleton:Little_Intermediate_L", "Armature/Skeleton:Little_Proximal_L", "Armature/Skeleton:Middle_Distal_L", "Armature/Skeleton:Middle_Intermediate_L", "Armature/Skeleton:Middle_Proximal_L", "Armature/Skeleton:Ring_Distal_L", "Armature/Skeleton:Ring_Intermediate_L", "Armature/Skeleton:Ring_Proximal_L", "Armature/Skeleton:Thumb_Distal_L", "Armature/Skeleton:Thumb_Proximal_L"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_5bk6a"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_ovax6"]
 animation = &"Grip 5"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_jy1ah"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_pgpwm"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Index_Distal_L", "Armature/Skeleton3D:Index_Intermediate_L", "Armature/Skeleton3D:Index_Metacarpal_L", "Armature/Skeleton3D:Index_Proximal_L", "Armature/Skeleton:Index_Distal_L", "Armature/Skeleton:Index_Intermediate_L", "Armature/Skeleton:Index_Proximal_L"]
 
-[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_vuimn"]
+[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_jpbdj"]
 graph_offset = Vector2(-536, 11)
-nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_oa7lu")
+nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_3vdkb")
 nodes/ClosedHand1/position = Vector2(-600, 300)
-nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_qypxn")
+nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_7kr0y")
 nodes/ClosedHand2/position = Vector2(-360, 300)
-nodes/Grip/node = SubResource("AnimationNodeBlend2_24u04")
+nodes/Grip/node = SubResource("AnimationNodeBlend2_4nm7q")
 nodes/Grip/position = Vector2(0, 20)
-nodes/OpenHand/node = SubResource("AnimationNodeAnimation_5bk6a")
+nodes/OpenHand/node = SubResource("AnimationNodeAnimation_ovax6")
 nodes/OpenHand/position = Vector2(-600, 100)
-nodes/Trigger/node = SubResource("AnimationNodeBlend2_jy1ah")
+nodes/Trigger/node = SubResource("AnimationNodeBlend2_pgpwm")
 nodes/Trigger/position = Vector2(-360, 20)
 node_connections = [&"Grip", 0, &"Trigger", &"Grip", 1, &"ClosedHand2", &"Trigger", 0, &"OpenHand", &"Trigger", 1, &"ClosedHand1", &"output", 0, &"Grip"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_y85uq"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_l2u0t"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_ariwi"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_1lcrd"]
 animation = &"Grip"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_vxm7a"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_1v0hg"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Little_Distal_R", "Armature/Skeleton3D:Little_Intermediate_R", "Armature/Skeleton3D:Little_Metacarpal_R", "Armature/Skeleton3D:Little_Proximal_R", "Armature/Skeleton3D:Middle_Distal_R", "Armature/Skeleton3D:Middle_Intermediate_R", "Armature/Skeleton3D:Middle_Metacarpal_R", "Armature/Skeleton3D:Middle_Proximal_R", "Armature/Skeleton3D:Ring_Distal_R", "Armature/Skeleton3D:Ring_Intermediate_R", "Armature/Skeleton3D:Ring_Metacarpal_R", "Armature/Skeleton3D:Ring_Proximal_R", "Armature/Skeleton3D:Thumb_Distal_R", "Armature/Skeleton3D:Thumb_Metacarpal_R", "Armature/Skeleton3D:Thumb_Proximal_R", "Armature/Skeleton:Little_Distal_R", "Armature/Skeleton:Little_Intermediate_R", "Armature/Skeleton:Little_Proximal_R", "Armature/Skeleton:Middle_Distal_R", "Armature/Skeleton:Middle_Intermediate_R", "Armature/Skeleton:Middle_Proximal_R", "Armature/Skeleton:Ring_Distal_R", "Armature/Skeleton:Ring_Intermediate_R", "Armature/Skeleton:Ring_Proximal_R", "Armature/Skeleton:Thumb_Distal_R", "Armature/Skeleton:Thumb_Proximal_R"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_6278w"]
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_7nt6p"]
 animation = &"Grip 5"
 
-[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_a5tpk"]
+[sub_resource type="AnimationNodeBlend2" id="AnimationNodeBlend2_6ca5g"]
 filter_enabled = true
 filters = ["Armature/Skeleton3D:Index_Distal_R", "Armature/Skeleton3D:Index_Intermediate_R", "Armature/Skeleton3D:Index_Metacarpal_R", "Armature/Skeleton3D:Index_Proximal_R", "Armature/Skeleton:Index_Distal_R", "Armature/Skeleton:Index_Intermediate_R", "Armature/Skeleton:Index_Proximal_R"]
 
-[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_dx808"]
+[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_n54dk"]
 graph_offset = Vector2(-552.664, 107.301)
-nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_y85uq")
+nodes/ClosedHand1/node = SubResource("AnimationNodeAnimation_l2u0t")
 nodes/ClosedHand1/position = Vector2(-600, 300)
-nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_ariwi")
+nodes/ClosedHand2/node = SubResource("AnimationNodeAnimation_1lcrd")
 nodes/ClosedHand2/position = Vector2(-360, 300)
-nodes/Grip/node = SubResource("AnimationNodeBlend2_vxm7a")
+nodes/Grip/node = SubResource("AnimationNodeBlend2_1v0hg")
 nodes/Grip/position = Vector2(0, 40)
-nodes/OpenHand/node = SubResource("AnimationNodeAnimation_6278w")
+nodes/OpenHand/node = SubResource("AnimationNodeAnimation_7nt6p")
 nodes/OpenHand/position = Vector2(-600, 100)
-nodes/Trigger/node = SubResource("AnimationNodeBlend2_a5tpk")
+nodes/Trigger/node = SubResource("AnimationNodeBlend2_6ca5g")
 nodes/Trigger/position = Vector2(-360, 40)
 node_connections = [&"Grip", 0, &"Trigger", &"Grip", 1, &"ClosedHand2", &"Trigger", 0, &"OpenHand", &"Trigger", 1, &"ClosedHand1", &"output", 0, &"Grip"]
 
 [sub_resource type="BoxShape3D" id="BoxShape3D_gx7jx"]
 size = Vector3(14, 10, 14)
 
+[sub_resource type="Gradient" id="Gradient_ns6ft"]
+colors = PackedColorArray(0.764539, 0.208898, 0.642811, 1, 1, 1, 3, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_s10f1"]
+gradient = SubResource("Gradient_ns6ft")
+use_hdr = true
+
+[sub_resource type="Curve" id="Curve_gunvg"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(0.905229, 0.968574), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 3
+
+[sub_resource type="CurveTexture" id="CurveTexture_kjesk"]
+curve = SubResource("Curve_gunvg")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_2xajy"]
+resource_local_to_scene = true
+emission_shape = 3
+emission_box_extents = Vector3(0.1, 0.1, 0.1)
+spread = 0.0
+initial_velocity_min = 1.0
+initial_velocity_max = 1.0
+gravity = Vector3(0, 0, 0)
+damping_min = 0.03
+damping_max = 0.03
+scale_max = 1.3
+scale_curve = SubResource("CurveTexture_kjesk")
+color = Color(0.407056, 0.407056, 0.407056, 1)
+color_ramp = SubResource("GradientTexture1D_s10f1")
+hue_variation_min = -0.1
+hue_variation_max = 0.1
+turbulence_influence_min = 0.001
+turbulence_influence_max = 0.001
+
+[sub_resource type="Curve" id="Curve_u2ul3"]
+_data = [Vector2(0, 0), 0.0, 0.0, 0, 0, Vector2(0.149718, 0.977694), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 3
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_f3np2"]
+shading_mode = 2
+vertex_color_use_as_albedo = true
+vertex_color_is_srgb = true
+emission_enabled = true
+emission = Color(1, 1, 3, 1)
+disable_receive_shadows = true
+use_particle_trails = true
+
+[sub_resource type="TubeTrailMesh" id="TubeTrailMesh_ij0c8"]
+material = SubResource("StandardMaterial3D_f3np2")
+radius = 0.002
+radial_steps = 4
+cap_top = false
+cap_bottom = false
+curve = SubResource("Curve_u2ul3")
+
+[sub_resource type="SphereShape3D" id="SphereShape3D_0m1dj"]
+radius = 0.1
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_hsb4k"]
+shading_mode = 2
+emission_enabled = true
+emission = Color(0.164343, 0.817034, 0.864581, 1)
+
+[sub_resource type="SphereMesh" id="SphereMesh_gbwen"]
+material = SubResource("StandardMaterial3D_hsb4k")
+radius = 0.1
+height = 0.2
+
+[sub_resource type="BoxMesh" id="BoxMesh_5wq8q"]
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_bld3o"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_ucnw1"]
+albedo_color = Color(0.17869, 0.476109, 0.383491, 1)
+emission_enabled = true
+emission = Color(0.43073, 0.00127084, 0.620365, 1)
+
+[sub_resource type="CapsuleMesh" id="CapsuleMesh_tq84j"]
+material = SubResource("StandardMaterial3D_ucnw1")
+
 [node name="WorldGrabDemo" instance=ExtResource("1_6211a")]
 
 [node name="XROrigin3D" parent="." index="0"]
@@ -122,11 +205,12 @@ bone_idx = 9
 
 [node name="AnimationTree" parent="XROrigin3D/LeftHand/LeftHand" index="1"]
 root_node = NodePath("../Hand_Nails_low_L")
-tree_root = SubResource("AnimationNodeBlendTree_vuimn")
+tree_root = SubResource("AnimationNodeBlendTree_jpbdj")
 
 [node name="FunctionPickup" parent="XROrigin3D/LeftHand" index="1" instance=ExtResource("3_gbd4b")]
 
 [node name="ControlPadLocationLeft" parent="XROrigin3D/LeftHand" index="2" instance=ExtResource("4_12d7t")]
+visible = false
 
 [node name="RightHand" parent="XROrigin3D/RightHand" index="0" instance=ExtResource("4_xv2cc")]
 
@@ -160,7 +244,7 @@ bone_idx = 9
 
 [node name="AnimationTree" parent="XROrigin3D/RightHand/RightHand" index="1"]
 root_node = NodePath("../Hand_Nails_low_R")
-tree_root = SubResource("AnimationNodeBlendTree_dx808")
+tree_root = SubResource("AnimationNodeBlendTree_n54dk")
 
 [node name="FunctionPickup" parent="XROrigin3D/RightHand" index="1" instance=ExtResource("3_gbd4b")]
 
@@ -194,6 +278,7 @@ shape = SubResource("BoxShape3D_gx7jx")
 
 [node name="Arena" type="Node3D" parent="." index="3"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 4, 0)
+visible = false
 
 [node name="Floor" parent="Arena" index="0" instance=ExtResource("13_gw40d")]
 
@@ -273,6 +358,91 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -1, 1, -0.3)
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -6)
 title = ExtResource("10_phcsg")
 
+[node name="GPUParticles3D" type="GPUParticles3D" parent="." index="5"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2.45466, 4.99148, -1.22583)
+amount = 1000
+lifetime = 10.0
+preprocess = 5.0
+randomness = 0.18
+visibility_aabb = AABB(-200, -200, -200, 400, 400, 400)
+transform_align = 2
+trail_enabled = true
+trail_lifetime = 0.5
+process_material = SubResource("ParticleProcessMaterial_2xajy")
+draw_pass_1 = SubResource("TubeTrailMesh_ij0c8")
+
+[node name="XRToolsPickable" type="RigidBody3D" parent="." index="6"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -3.62977, 4.43671, 2.79928)
+collision_layer = 4
+collision_mask = 7
+gravity_scale = 0.0
+freeze = true
+freeze_mode = 1
+script = ExtResource("20_bgctf")
+second_hand_grab = 1
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="XRToolsPickable" index="0"]
+shape = SubResource("SphereShape3D_0m1dj")
+
+[node name="GPUParticlesAttractorSphere3D" type="GPUParticlesAttractorSphere3D" parent="XRToolsPickable" index="1"]
+strength = 8.77
+attenuation = 0.476839
+
+[node name="GrabPointHandLeft" parent="XRToolsPickable" index="2" instance=ExtResource("21_v207o")]
+
+[node name="GrabPointHandRight" parent="XRToolsPickable" index="3" instance=ExtResource("22_0w02o")]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="XRToolsPickable" index="4"]
+mesh = SubResource("SphereMesh_gbwen")
+
+[node name="Target" type="MeshInstance3D" parent="." index="7"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.5, 0.5, 0.5)
+mesh = SubResource("BoxMesh_5wq8q")
+skeleton = NodePath("")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Target" index="0"]
+shape = SubResource("BoxShape3D_bld3o")
+
+[node name="ProxyCollisionDetector" type="Node3D" parent="." index="8"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.5, 0.5, 0.5)
+script = ExtResource("25_6xc52")
+real_particles_path = NodePath("../GPUParticles3D")
+real_attractor_path = NodePath("../XRToolsPickable/GPUParticlesAttractorSphere3D")
+target_collision_box_path = NodePath("../Target/CollisionShape3D")
+debug_label_path = NodePath("../Label3D")
+
+[node name="Label3D" type="Label3D" parent="." index="9"]
+transform = Transform3D(-3.15013, 0, 2.75393e-07, 0, 3.15013, 0, -2.75393e-07, 0, -3.15013, -0.167185, 1.34727, 3.65275)
+text = "sneed"
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="." index="10"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 3.12102, 2.64291)
+mesh = SubResource("CapsuleMesh_tq84j")
+
+[node name="MeshInstance3D2" type="MeshInstance3D" parent="." index="11"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 1.86311, 3.12102, 2.64291)
+mesh = SubResource("CapsuleMesh_tq84j")
+
+[node name="GPUParticlesAttractorSphere3D" type="GPUParticlesAttractorSphere3D" parent="." index="12"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.738619, 5.16399, -1.42534)
+visible = false
+strength = 4.54
+attenuation = 3.05175e-05
+directionality = 1.0
+
+[node name="GPUParticlesAttractorBox3D" type="GPUParticlesAttractorBox3D" parent="." index="13"]
+transform = Transform3D(-0.375399, 0, -0.926863, 0, 1, 0, 0.926863, 0, -0.375399, -4.37762, 5.08607, 0.745364)
+strength = 6.9
+attenuation = 8.57421
+directionality = 1.0
+
+[node name="GPUParticlesAttractorBox3D2" type="GPUParticlesAttractorBox3D" parent="." index="14"]
+transform = Transform3D(0.283513, 0, -0.958968, 0, 1, 0, 0.958968, 0, 0.283513, 0.731089, 5.39206, -2.86171)
+strength = -18.85
+attenuation = 0.801942
+directionality = 1.0
+size = Vector3(5, 5, 5)
+
 [editable path="XROrigin3D/LeftHand/LeftHand"]
 [editable path="XROrigin3D/LeftHand/LeftHand/Hand_Nails_low_L"]
 [editable path="XROrigin3D/RightHand/RightHand"]