extends Node2D

var _effect_color := Color(1.0, 0.72, 0.32)
var _elapsed := 0.0
var _duration := 0.28
var _is_explosion := false
var _directions: Array[Vector2] = []
var _speeds: Array[float] = []
var _sizes: Array[float] = []

func configure(is_explosion: bool, effect_color: Color) -> void:
	_is_explosion = is_explosion
	_effect_color = effect_color
	_duration = 0.58 if is_explosion else 0.28
	var rng := RandomNumberGenerator.new()
	rng.randomize()
	var spark_count := 26 if is_explosion else 9
	for _spark_index in spark_count:
		_directions.append(Vector2.RIGHT.rotated(rng.randf_range(0.0, TAU)))
		_speeds.append(rng.randf_range(70.0, 230.0) if is_explosion else rng.randf_range(65.0, 155.0))
		_sizes.append(rng.randf_range(2.0, 5.0) if is_explosion else rng.randf_range(1.5, 3.5))
	z_index = 40
	queue_redraw()

func _process(delta: float) -> void:
	_elapsed += delta
	if _elapsed >= _duration:
		queue_free()
		return
	queue_redraw()

func _draw() -> void:
	var progress := clampf(_elapsed / _duration, 0.0, 1.0)
	var fade := 1.0 - progress
	var ring_start := 9.0 if _is_explosion else 3.0
	var ring_growth := 72.0 if _is_explosion else 38.0
	draw_arc(
		Vector2.ZERO,
		ring_start + ring_growth * progress,
		0.0,
		TAU,
		40,
		Color(_effect_color.r, _effect_color.g, _effect_color.b, fade * (0.75 if _is_explosion else 0.55)),
		2.5 if _is_explosion else 1.5
	)
	if _is_explosion:
		draw_circle(Vector2.ZERO, 18.0 * (1.0 - progress), Color(1.0, 0.82, 0.55, fade * 0.65))
	for spark_index in _directions.size():
		var direction := _directions[spark_index]
		var travel := _speeds[spark_index] * _elapsed
		var tip := direction * travel
		var tail := tip - direction * _sizes[spark_index] * (2.0 + fade * 2.0)
		draw_line(tail, tip, Color(_effect_color.r, _effect_color.g, _effect_color.b, fade), _sizes[spark_index])
		draw_circle(tip, maxf(0.7, _sizes[spark_index] * 0.45), Color(1.0, 0.9, 0.72, fade))