Trails.gd

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`c0b42019` 2023-11-07 Pavel Safronov	1	extends Node2D
	2	class_name Trails
	3
	4	export var trails_length = 400
	5	export var gradient: Gradient
`04130db8` 2023-11-07 Pavel Safronov	6	export var alpha = 1.0
`c0b42019` 2023-11-07 Pavel Safronov	7	onready var trails = $CanvasLayer/Trails
	8
	9	func _ready() -> void:
	10	trails.gradient = gradient
`04130db8` 2023-11-07 Pavel Safronov	11	trails.points = PoolVector2Array([])
`c0b42019` 2023-11-07 Pavel Safronov	12
`04130db8` 2023-11-07 Pavel Safronov	13	func _process(_delta: float) -> void:
	14	trails.modulate = Color(1,1,1,alpha)
`c0b42019` 2023-11-07 Pavel Safronov	15
	16	func add_position(pos: Vector2) -> void:
	17	var points = trails.points
	18	var should_add = points.size() == 0
	19	if points.size() > 0:
	20	var last_added = points[-1]
	21	var dist_to_last_added = pos.distance_to(last_added)
	22	should_add = dist_to_last_added > 1
	23	if should_add:
	24	points.append(pos)
`04130db8` 2023-11-07 Pavel Safronov	25	while points.size() > trails_length:
	26	points.remove(0)
	27	trails.points = points
`fc5de8ee` 2023-11-09 Pavel Safronov	28
	29	func clear() -> void:
	30	trails.points = []