extends MeshInstance3D

@export var color: Color = Color(0.1, 0.8, 1.0, 0.9)

var _mesh: ImmediateMesh
var _material: StandardMaterial3D

func _ready() -> void:
	_mesh = ImmediateMesh.new()
	mesh = _mesh
	_material = StandardMaterial3D.new()
	_material.shading_mode = BaseMaterial3D.SHADING_MODE_UNSHADED
	_material.albedo_color = color

func set_vector(end_point: Vector3) -> void:
	if _mesh == null:
		return
	_mesh.clear_surfaces()
	_mesh.surface_begin(Mesh.PRIMITIVE_LINES, _material)
	_mesh.surface_add_vertex(Vector3.ZERO)
	_mesh.surface_add_vertex(end_point)
	_mesh.surface_end()