Updated chamfered cube mesh generator prototype

material_maker/panels/preview_3d/meshes/compute_cube.txt

@@ -59,13 +59,15 @@ void set_point(int x, int y) {
 		angle *= 0.78539816339;
 		angle /= 0.5*curvature;
 		if (round > 1) {
-			float m = max(abs(angle.x), abs(angle.y));
-			angle = 1.1*m*normalize(angle/m);
+			float max_angle = max(abs(angle.x), abs(angle.y));
+			float min_angle = min(abs(angle.x), abs(angle.y));
+			float d2c = min_angle/max_angle;
+			angle = (1.0+0.12*d2c*d2c)*max_angle*normalize(angle/max_angle);
 		}
 	}
 	vec2 sin_angle = sin(angle);
 	normal = vec3(sin_angle.x, sqrt(1.0-dot(sin_angle, sin_angle)), sin_angle.y);
-	vertex = vec3(base.x, 0.5-0.72*radius, base.y)+radius*normal;
+	vertex = vec3(base.x, 0.5-0.709*radius, base.y)+radius*normal;
 	tangent = normalize(vec3(1.0, 0.0, 0.0));
 	tex_uvs = scale*vec2(x, y);
 	set_face_point(vertex_index, vertex, normal, tangent, tex_uvs);

material_maker/panels/preview_3d/meshes/mesh_generator.gd

@@ -12,8 +12,7 @@ func _ready():
 	w.borderless = false
 	w.size = Vector2i(800, 600)
 	w.move_to_center()
-	await setup_shader()
-	await generate_mesh()
+	update(true)
 
 func get_expression_value_from_string(string : String, prefix: String, values: Dictionary) -> int:
 	var begin : int = string.find(prefix)
@@ -65,18 +64,34 @@ func generate_mesh():
 	mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLE_STRIP, arrays, [], {}, flags)
 	print("Done")
 
-func _on_reload_shader_pressed():
-	await setup_shader()
-	await generate_mesh()
+var need_update : bool = false
+var need_reset_shader : bool = false
+var updating : bool = false
+
+func update(reset_shader : bool = false) -> void:
+	need_update = true
+	need_reset_shader = reset_shader
+	if updating:
+		return
+	while need_update:
+		need_update = false
+		updating = true
+		if need_reset_shader:
+			need_reset_shader = false
+			await setup_shader()
+		await generate_mesh()
+	updating = false
+
+func _on_reload_shader_pressed() -> void:
+	update(true)
 
 func _on_model_pressed():
 	generated_mesh.visible = not generated_mesh.visible
 	ref_mesh.visible = not ref_mesh.visible
 
 func _on_size_value_changed(value):
 	size = 1 << int(value)
-	await setup_shader()
-	await generate_mesh()
+	update(true)
 
 func _on_curvature_value_changed(value):
-	await generate_mesh()
+	update()

material_maker/panels/preview_3d/meshes/mesh_generator.tscn

@@ -169,7 +169,7 @@ libraries = {
 "": SubResource("AnimationLibrary_s43cy")
 }
 autoplay = "rotate"
-speed_scale = 0.1
+speed_scale = 0.01
 
 [node name="WorldEnvironment" type="WorldEnvironment" parent="."]
 environment = SubResource("Environment_73u55")
@@ -199,7 +199,7 @@ text = "Model"
 
 [node name="Size" type="SpinBox" parent="UI/VBoxContainer"]
 layout_mode = 2
-max_value = 12.0
+max_value = 10.0
 value = 1.0
 prefix = "Size: "