tool
class_name BallSnake
extends Node2D


export var texture: Texture
export var segments: int = 1
export var target: NodePath
export var end_pieces: bool = true


func _process(delta: float) -> void:
	update()


func _draw() -> void:
	var node := get_node(target) as Node2D
	if node:
		if end_pieces:
			draw_texture(texture, texture.get_size() * -0.5)
		var end_pos := to_local(node.global_position)
		for i in segments:
			var weight := 1.0 / float(segments + 1) * float(i + 1)
			draw_texture(
				texture,
				lerp(Vector2.ZERO, end_pos, weight) + texture.get_size() * -0.5
			)
		if end_pieces:
			draw_texture(texture, end_pos + texture.get_size() * -0.5)