extends Node2D


onready var coin_sprite = get_node("CoinSprite")

var velocity = Vector2(0, 0)
var z_pos = 0
var z_vel = 0
var gravity = 1500
var bounciness = 0.5
var lifetime = 10

# Called when the node enters the scene tree for the first time.
func _ready():
	pass # Replace with function body.

func _draw():
	coin_sprite.offset.y = -z_pos
	draw_circle(Vector2.ZERO, 5, Color(0.3, 0.3, 0.3, coin_sprite.modulate.a))
	pass

func _process(delta):
	z_vel = z_vel - gravity * delta
	z_pos = z_pos + z_vel * delta
	
	if z_pos < 0:
		z_vel = - z_vel * bounciness
		z_pos = 0
		
		if z_vel < 0.01:
			z_vel = 0
		
		velocity = velocity * 0.5

	position = position + velocity * delta
	
	lifetime = lifetime - delta

	if lifetime > 1:
		if lifetime < 3:
			if int(lifetime * 5) % 2 == 0:
				coin_sprite.modulate = Color("AAffffff")
			else:
				coin_sprite.modulate = Color("ffffffff")
	else:
		coin_sprite.modulate = lerp (Color("0fff"), Color("ffff"), lifetime)
	
	if lifetime < 0:
		queue_free()

	update()

	
# Called every frame. 'delta' is the elapsed time since the previous frame.
#func _process(delta):
#	pass