Get point cloud placing in 3d

new-game-project/node_3d.gd

@@ -0,0 +1,55 @@
+extends Node3D
+
+const num_points: int = 50
+const scale_pos: float = 0.01
+const scale_color: float = 255. / num_points
+
+@onready var right_hand: XRController3D = get_node("XROrigin3D/RightHand")
+
+@onready var world_cloud: Pointcloud = get_node("World_Pointcloud")
+@onready var hand_cloud: Pointcloud = get_node("XROrigin3D/RightHand/Hand_Pointcloud")
+
+var points: Array[Vector3] = []
+var colors: Array[Vector3] = []
+
+var xr_interface: XRInterface
+
+func _ready():
+	xr_interface = XRServer.find_interface("OpenXR")
+	if xr_interface and xr_interface.is_initialized():
+		print("OpenXR initialized successfully")
+
+		# Turn off v-sync!
+		DisplayServer.window_set_vsync_mode(DisplayServer.VSYNC_DISABLED)
+
+		# Change our main viewport to output to the HMD
+		get_viewport().use_xr = true
+		xr_interface.environment_blend_mode = XRInterface.XR_ENV_BLEND_MODE_ALPHA_BLEND
+		get_viewport().transparent_bg = true
+	else:
+		print("OpenXR not initialized, please check if your headset is connected")
+		
+		
+	
+	for x in 50:
+		for y in 50:
+			points.append(Vector3(x * scale_pos, y * scale_pos, 0))
+			colors.append(Vector3(x * scale_color, y * scale_color, 0))
+	
+	hand_cloud.set_points(points, colors)
+
+var last_pressed = false
+
+func _process(delta):
+	var pressed = right_hand.get_float("trigger") > 0.
+	if(pressed && !last_pressed):
+		var points_clone: Array[Vector3] = []
+		print(right_hand.global_position)
+		for point in points:
+			
+			points_clone.append(right_hand.to_global(point))
+		
+		world_cloud.add_points(points_clone, colors.duplicate())
+		last_pressed = true
+		print("points! ", len(points_clone))
+	elif (!pressed): last_pressed = false