CSG cut through instance/duplicated node

Help
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1

Godot Version

godot 4.7 (mobile)

Disclaimer

Hi guys, the other help question is till in revision! so dont worry, its just a project that im not really sure.

Question

SO im making a cozy building game. its similar to the sims.(its just a game bc i like building : D) And when the player clicks the floor it will add to the position of the mouse the wall(its all in 3D). Everythings working. im messing with the code tho and i tought that the player would like to put some windows. the problem is that i never used a CSGbox for cutting an instance (in this case a duplicated node of the scene) all bc i dont know how to modify children of instances in GDScript. Any help is appreciated!

(most is placeholder and messy TwT ask for anything of the code!) Code:

extends Node

var variable = false
var scene = load("res://idk.tscn")
var scene2 = load("res://control.tscn")
var Window_ = load("res://Window.tscn")
var Wall_Create = false
var SPEED = 1.5
var sensitivity = 0.005
const TILE_SIZE :Vector3 = Vector3(3000,0,3000)
var disabled = false
var xx = false
var xl = false
var numb = 0
var modify_wall = false



var intersection 


		

func shoot_ray():
	pass
	
	

		
	
func _process(delta: float) -> void:
	
	if Input.is_action_just_pressed("rotate"):
		%idk.rotation.y += 0.045
		
	if Input.is_action_just_pressed("unbuild"):
		%idk.hide()
		disabled = true
	
	
	
	var cam := %caamm
	var mouse_pos = get_viewport().get_mouse_position()
	print(mouse_pos)
	
	var rayStart : Vector3 = cam.project_ray_origin(mouse_pos)
	var direction : Vector3 = cam.project_ray_normal(mouse_pos)
	var plane := Plane(Vector3.UP)
	intersection = plane.intersects_ray(rayStart, direction)
	print(intersection)
	if intersection and variable == false:
		if Wall_Create and disabled == false:
			var instance = scene2.instantiate()
			%VBoxContainer.add_child(instance)
			var copy = %idk.duplicate()
			%Node3D.add_child(copy)
			
			if modify_wall:
				instance.Container.show()
			
		if disabled:
			
			%idk.global_position.x = intersection.x
			%idk.global_position.z = intersection.z
	
	
		
		if !Wall_Create:
			if xl:
				if Input.is_action_just_pressed("t"):
					xx = true
					numb += 1
					if numb == 2:
						numb = 0
						xx = false
						xl = false
					
				if xx == true:
					if %idk.rotation.y == 0:
						%idk.global_position.x = intersection.x
					if %idk.rotation.y == 90.2:
						%idk.global_position.z = intersection.z
						
				else:
					%idk.global_position.x = intersection.x
					%idk.global_position.z = intersection.z
					
				
					
				
			%idk.global_position.x = intersection.x
			if xx == false:
				%idk.global_position.x = intersection.x
				%idk.global_position.z = intersection.z
		%moseu.position = get_viewport().get_mouse_position()
		
			
				
		if Input.is_action_just_pressed("create_w"):
			Wall_Create = true
			
		else:
			Wall_Create = false
				
				
				
				
			






func _on_virtual_joystick_pressed() -> void:
	variable = true

func _on_virtual_joystick_released(input_vector: Vector2) -> void:
	variable = false


func _on_area_3d_mouse_entered() -> void:
	
	xl = true
	if Input.is_action_just_pressed("create_w") and disabled:
		modify_wall = true


func _on_area_3d_mouse_exited() -> void:
	pass # Replace with function body.


func _on_button_pressed() -> void:
	variable = true
	$"../../../../../Button/sASS".start()

func _on_s_ass_timeout() -> void:
	variable = false
2

The problem is that the cutout requires a CSGCombiner3D node. Windows and doors (openings in walls) are generally a major challenge in game-based construction projects like this. Ideally, for a project like this, it would probably be best to port Sweet Home 3D to Godot. But I imagine that wouldn’t be a very simple task.

3

I’ve never heard of it.. idk. Btw yes I’m using the combiner but yeah ITS THAT HARD :grinning_face: I shouldn’t have thought of my ideas ever :pleading_face::sob::victory_hand: