Grunk particles are emitted while cleaning

src/effects/dust_spray.tscn

@@ -19,6 +19,7 @@ initial_velocity_max = 4.5
 gravity = Vector3(0, 1.4, 0)
 damping_min = 5.955
 damping_max = 5.955
+attractor_interaction_enabled = false
 scale_over_velocity_curve = SubResource("CurveTexture_hx0vd")
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_4jho1"]

src/effects/floating_dust.tscn

@@ -26,6 +26,7 @@ spread = 100.0
 initial_velocity_min = 0.05
 initial_velocity_max = 0.15
 gravity = Vector3(0, 0, 0)
+attractor_interaction_enabled = false
 scale_curve = SubResource("CurveTexture_w3xaq")
 color_ramp = SubResource("GradientTexture1D_w3xaq")
 turbulence_enabled = true

src/effects/grunk_splatter/grunk_splatter.tscn

@@ -33,6 +33,7 @@ direction = Vector3(0, 0, 0)
 spread = 180.0
 initial_velocity_min = 8.0
 initial_velocity_max = 8.0
+attractor_interaction_enabled = false
 scale_curve = SubResource("CurveTexture_t00bd")
 color_ramp = SubResource("GradientTexture1D_bt63p")
 
@@ -77,6 +78,7 @@ direction = Vector3(0, 1, 0)
 spread = 0.0
 initial_velocity_max = 0.05
 gravity = Vector3(0, -0.3, 0)
+attractor_interaction_enabled = false
 scale_curve = SubResource("CurveTexture_72g1e")
 color = Color(0.9, 0.983333, 1, 1)
 alpha_curve = SubResource("CurveTexture_2iem1")
@@ -108,6 +110,7 @@ radius = 2.0
 
 [node name="GrunkSplatter" type="GPUParticles3D"]
 sorting_offset = 9.0
+emitting = false
 amount = 64
 lifetime = 0.3
 one_shot = true
@@ -119,6 +122,7 @@ script = ExtResource("2_grvat")
 [node name="SubSplatter" type="GPUParticles3D" parent="."]
 unique_name_in_owner = true
 sorting_offset = 9.0
+emitting = false
 amount = 4
 lifetime = 0.3
 one_shot = true

src/effects/gunk_dust.tscn

@@ -1,35 +1,52 @@
-[gd_scene load_steps=7 format=3 uid="uid://c3iv00vmdqxp0"]
+[gd_scene load_steps=8 format=3 uid="uid://c3iv00vmdqxp0"]
-
-[ext_resource type="Texture2D" uid="uid://bwpyjfo1j4wis" path="res://assets/particles/dust/dust_3.png" id="1_hqns8"]
 
 [sub_resource type="Gradient" id="Gradient_o6g24"]
-colors = PackedColorArray(0, 0.101961, 0.301961, 1, 0, 0.0313726, 0.101961, 1)
+offsets = PackedFloat32Array(0, 0.376344)
+colors = PackedColorArray(0, 0.101961, 0.301961, 1, 0, 0.015, 0.05, 1)
 
 [sub_resource type="GradientTexture1D" id="GradientTexture1D_mlqhf"]
 gradient = SubResource("Gradient_o6g24")
 
-[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_ykxlg"]
+[sub_resource type="Curve" id="Curve_pjcdo"]
-direction = Vector3(0, 1, 0)
+_limits = [0.0, 12.0, 0.0, 1.0]
-initial_velocity_min = 1.0
+_data = [Vector2(0, 12), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
-initial_velocity_max = 1.0
+point_count = 2
-gravity = Vector3(0, -4, 0)
-color_ramp = SubResource("GradientTexture1D_mlqhf")
 
-[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_v20ab"]
+[sub_resource type="CurveTexture" id="CurveTexture_smx5b"]
-transparency = 1
+curve = SubResource("Curve_pjcdo")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_ykxlg"]
+angle_min = -184.7
+angle_max = 239.3
+direction = Vector3(0, 0, -1)
+spread = 90.0
+initial_velocity_min = 2.0
+initial_velocity_max = 2.0
+angular_velocity_min = -360.0
+angular_velocity_max = 360.0
+gravity = Vector3(0, -1, 0)
+damping_min = 1.0
+damping_max = 1.0
+damping_curve = SubResource("CurveTexture_smx5b")
+scale_min = 0.8
+color_ramp = SubResource("GradientTexture1D_mlqhf")
+hue_variation_min = -2.23517e-08
+hue_variation_max = 0.00999998
+collision_mode = 2
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_pjcdo"]
 vertex_color_use_as_albedo = true
-albedo_texture = ExtResource("1_hqns8")
-texture_filter = 2
 billboard_mode = 3
+billboard_keep_scale = true
 particles_anim_h_frames = 1
 particles_anim_v_frames = 1
 particles_anim_loop = false
 
-[sub_resource type="QuadMesh" id="QuadMesh_1ijv1"]
+[sub_resource type="BoxMesh" id="BoxMesh_smx5b"]
-material = SubResource("StandardMaterial3D_v20ab")
+material = SubResource("StandardMaterial3D_pjcdo")
-size = Vector2(0.1, 0.1)
+size = Vector3(0.03, 0.03, 0.03)
 
 [node name="GunkDust" type="GPUParticles3D"]
-lifetime = 0.4
+lifetime = 0.6
 process_material = SubResource("ParticleProcessMaterial_ykxlg")
-draw_pass_1 = SubResource("QuadMesh_1ijv1")
+draw_pass_1 = SubResource("BoxMesh_smx5b")

src/effects/laser_dust.tscn

@@ -15,6 +15,7 @@ spread = 180.0
 initial_velocity_min = 2.0
 initial_velocity_max = 2.0
 gravity = Vector3(0, 0, 0)
+attractor_interaction_enabled = false
 scale_curve = SubResource("CurveTexture_7ktnl")
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_fhbna"]

src/equipment/point_spray/point_spray.tscn

@@ -24,6 +24,7 @@ spread = 4.0
 initial_velocity_min = 3.5
 initial_velocity_max = 3.5
 gravity = Vector3(0, 0, 0)
+attractor_interaction_enabled = false
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_k4cg5"]
 vertex_color_use_as_albedo = true
@@ -49,6 +50,7 @@ spread = 4.0
 initial_velocity_min = 8.0
 initial_velocity_max = 8.0
 gravity = Vector3(0, 0, 0)
+attractor_interaction_enabled = false
 
 [sub_resource type="CapsuleMesh" id="CapsuleMesh_k4cg5"]
 radius = 0.025

src/equipment/wide_spray/wide_spray.tscn

@@ -27,6 +27,7 @@ flatness = 0.82
 initial_velocity_min = 3.5
 initial_velocity_max = 3.5
 gravity = Vector3(0, 0, 0)
+attractor_interaction_enabled = false
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_6k0bn"]
 vertex_color_use_as_albedo = true
@@ -52,6 +53,7 @@ flatness = 0.82
 initial_velocity_min = 8.0
 initial_velocity_max = 8.0
 gravity = Vector3(0, 0, 0)
+attractor_interaction_enabled = false
 
 [sub_resource type="BoxMesh" id="BoxMesh_fmqw2"]
 size = Vector3(0.05, 0.05, 0.3)

src/player/player.tscn

@@ -691,6 +691,15 @@ throw_force = 400.0
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -1)
 
+[node name="GrunkDustAttractor" type="GPUParticlesAttractorSphere3D" parent="CameraPosition/CameraPivot"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.23, -0.285, -0.1)
+strength = 30.0
+radius = 8.0
+
+[node name="GrunkDustCullingPlane" type="GPUParticlesCollisionBox3D" parent="CameraPosition/CameraPivot"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0.15)
+size = Vector3(10, 10, 0.2)
+
 [node name="StandingCollider" type="CollisionShape3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -0.05, 0)
 shape = SubResource("CapsuleShape3D_s7f0r")

src/player/tool_mount.gd

@@ -40,8 +40,9 @@ func set_active(tool: Tool, force: bool = false) -> void:
 		return
 
 	for c: Node3D in get_children():
-		c.visible = false
+		if c is Tool:
-		# TODO unequip animation?
+			c.visible = false
+			# TODO unequip animation?
 	_active = tool
 	_active.visible = true
 	_active.on_equip()
@@ -56,7 +57,7 @@ func set_active_relative(delta: int) -> void:
 	while true:
 		var new_idx := wrapi(active_idx + delta, 0, get_child_count())
 		var tool := get_child(new_idx) as Tool
-		if tool.unlocked():
+		if tool and tool.unlocked():
 			set_active(tool)
 			return
 		# If the next tool is not unlocked, try the one after

src/world/gunkable/gunk_dust.gd

@@ -0,0 +1,25 @@
+extends GPUParticles3D
+
+@export var emit_scale := 0.1
+
+var _last_clear_total := 0.0
+var _emitting_this_frame := false
+
+
+func _on_gunkable_clear_total_updated(clear_total: float) -> void:
+	var delta := maxf(clear_total - _last_clear_total, 0)
+
+	amount_ratio = clampf(delta * emit_scale, 0, 1)
+	if delta > 0:
+		_emitting_this_frame = true
+
+	_last_clear_total = clear_total
+
+
+func _on_gunkable_painted_at_point(point: Vector3, normal: Vector3) -> void:
+	look_at_from_position(point, point + normal, global_basis.y)
+
+
+func _process(_delta: float) -> void:
+	emitting = _emitting_this_frame
+	_emitting_this_frame = false

src/world/gunkable/gunk_dust.gd.uid

@@ -0,0 +1 @@
+uid://b88k7m1mwrd0v

src/world/gunkable/gunkable.gd

@@ -4,6 +4,9 @@ class_name Gunkable extends Node
 ## Emitted from the main thread after the clear total is asynchronously updated.
 signal clear_total_updated(clear_total: float)
 
+## Emitted from the main thread any time a point is painted
+signal painted_at_point(point: Vector3, normal: Vector3)
+
 const CONTINUITY_LIMIT := 32
 const BUFFER_LIMIT := 3
 const FACE_EPSILON := 0.01
@@ -212,6 +215,7 @@ func paint_dot(point: Vector3, normal: Vector3, radius: float, color: Color = MA
 	mask_control.queue_draw(
 		func() -> void: mask_control.draw_circle(px, radius, color, true, -1, true)
 	)
+	painted_at_point.emit(point, normal)
 
 
 ## Paint a continuous line on the gunk mask if called on successive frames.
@@ -235,6 +239,7 @@ func paint_continuous(
 		func() -> void: mask_control.draw_circle(px, width, color, true, -1, true)
 	)
 	_continued_paint_this_frame = true
+	painted_at_point.emit(point, normal)
 
 
 ## Add a segment to the multiline to paint this frame.
@@ -248,6 +253,7 @@ func add_to_multiline(
 	_multiline_buffer.append(px_a)
 	_multiline_buffer.append(px_b)
 	_multiline_width = width
+	painted_at_point.emit(point_a, normal_a)
 
 
 func _process(_delta: float) -> void:

src/world/gunkable/gunkable.tscn

@@ -1,7 +1,13 @@
-[gd_scene load_steps=3 format=3 uid="uid://cdi5sl60mw1po"]
+[gd_scene load_steps=6 format=3 uid="uid://cdi5sl60mw1po"]
 
 [ext_resource type="Script" uid="uid://co0g2klfmor48" path="res://src/world/gunkable/gunkable.gd" id="1_47xoo"]
 [ext_resource type="Script" uid="uid://bom5qysgfvap1" path="res://src/world/gunkable/draw_controller.gd" id="2_srn13"]
+[ext_resource type="PackedScene" uid="uid://c3iv00vmdqxp0" path="res://src/effects/gunk_dust.tscn" id="3_vad3y"]
+[ext_resource type="Script" uid="uid://b88k7m1mwrd0v" path="res://src/world/gunkable/gunk_dust.gd" id="4_3mpo3"]
+
+[sub_resource type="CapsuleMesh" id="CapsuleMesh_3mpo3"]
+radius = 0.1
+height = 1.0
 
 [node name="Gunkable" type="Node" groups=["Persistent"]]
 script = ExtResource("1_47xoo")
@@ -42,6 +48,21 @@ grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("2_srn13")
 
+[node name="GunkDust" parent="." instance=ExtResource("3_vad3y")]
+top_level = true
+emitting = false
+amount = 64
+lifetime = 1.2
+script = ExtResource("4_3mpo3")
+emit_scale = 0.08
+
+[node name="DebugMesh" type="MeshInstance3D" parent="GunkDust"]
+transform = Transform3D(1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, 0)
+visible = false
+mesh = SubResource("CapsuleMesh_3mpo3")
+
+[connection signal="clear_total_updated" from="." to="GunkDust" method="_on_gunkable_clear_total_updated"]
+[connection signal="painted_at_point" from="." to="GunkDust" method="_on_gunkable_painted_at_point"]
 [connection signal="visibility_changed" from="MaskViewport/MaskClear" to="MaskViewport/MaskControl" method="_set_dirty"]
 [connection signal="visibility_changed" from="MaskViewport/MaskTexture" to="MaskViewport/MaskControl" method="_set_dirty"]
 [connection signal="draw" from="MaskViewport/MaskControl" to="." method="_on_mask_painted"]