can i add mesh to grid placement like minecraft or tilemap?

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:information_source: Attention Topic was automatically imported from the old Question2Answer platform.
:bust_in_silhouette: Asked By bgegg

i add this code for mesh adding to click position.

extends Spatial

var scene
var node:Spatial


var get_camera:Camera = null
var camera_ray_pos

func _ready():
	scene = load("res://0_practice_folder/add_mesh_3d/instance_box.tscn")
	node = scene.instance()
	
func _on_StaticBody_input_event(camera, event, click_position, click_normal, shape_idx):
	if Input.is_mouse_button_pressed(BUTTON_MIDDLE):
		node.set_translation(click_position)
		add_child(node)

i want add mesh to grid place like mine craft.
where is tutorial or reference about this?

and i cast ray from camera to staticbody（in front of the camera） for z position.
is z position fake?
is exist real z position?

2
:bust_in_silhouette: Reply From: Dooowy.

Z position is a real float integer in Spatial’s position.