new outline shader

Scripts/build_object.gd

@@ -1,15 +1,23 @@
 extends Node3D
 
 
+
 @export var meshInstance: MeshInstance3D
 @export var preview_shader: ShaderMaterial
 
 var default_shaders: Array
+var staic_body: StaticBody3D
+
 
 func _ready() -> void:
 	Global.preview_created.connect(_on_preview_create)
 	Global.object_placed.connect(_on_object_placed)
 	set_default_shaders()
+	
+	staic_body = $StaticBody3D
+	staic_body.mouse_entered.connect(_on_mouse_enter)
+	staic_body.mouse_exited.connect(_on_mouse_exit)
+	print(staic_body)
 
 
 func set_default_shaders():
@@ -46,3 +54,22 @@ func _on_preview_create():
 
 func _on_object_placed():
 	restore_default_shaders()
+
+
+func enable_outline():
+	for i in meshInstance.get_surface_override_material_count():
+		var material = meshInstance.get_surface_override_material(i)
+		if material.next_pass != null:
+			meshInstance.get_surface_override_material(i).next_pass.set_shader_parameter("is_active", true)
+func disable_outline():
+	for i in meshInstance.get_surface_override_material_count():
+			var material = meshInstance.get_surface_override_material(i)
+			if material.next_pass != null:
+				meshInstance.get_surface_override_material(i).next_pass.set_shader_parameter("is_active", false)
+
+
+
+func  _on_mouse_enter():
+	enable_outline()
+func _on_mouse_exit():
+	disable_outline()