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27 lines
770 B
GDScript
27 lines
770 B
GDScript
class_name CycleTimer
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@export var period: float = 1
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var startTime: float = 0
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var running: bool = false
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var distance: float = 200
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var bullets: Array[BulletBase] = []
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func start():
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startTime = Time.get_ticks_msec()
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running = true
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func lifetime():
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return Time.get_ticks_msec() - startTime
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func periodPercent(count: int):
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return lifetime() / period * deg_to_rad(360) - deg_to_rad(360.0 * count / len(bullets))
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func apply():
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bullets = bullets.filter(is_instance_valid)
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for index in len(bullets):
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var bullet = bullets[index]
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var offset = Vector2.from_angle(periodPercent(index))
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offset.y *= 0.5
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bullet.position = bullet.launcher.position + offset * distance
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bullet.scale = Vector2.ONE * (1 + offset.y)
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func host(bullet: BulletBase):
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bullets.append(bullet)
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