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49 lines
962 B
GDScript3
49 lines
962 B
GDScript3
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extends Tween
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class_name ArrayTween
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var index = 0
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var values : Array
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# 单个节点动画时间
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export var duration: float = 1.0
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# 动画步进回调
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signal array_value_step(step)
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# 所有节点动画播放完成
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signal array_completed
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func _ready():
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connect("tween_completed",self,"on_tween_completed")
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pass
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# 使用节点进行动画
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func interpolate_array(values:Array) -> void:
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if values.size() < 2:
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return
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if is_active():
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stop_all()
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self.index = 0
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self.values = values
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play_step()
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# 播放其中一节
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func play_step():
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var start_value = values[index]
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var end_value = values[index + 1]
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self.interpolate_method(self,"on_step",start_value,end_value,duration)
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self.start()
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# 程序内步进回调
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func on_step(step):
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emit_signal("array_value_step",step)
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pass
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# 动画完成回调
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func on_tween_completed(object: Object, key: NodePath):
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if index + 2 < values.size():
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index += 1
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play_step()
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else:
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emit_signal("array_completed")
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