23 lines
435 B
GDScript
23 lines
435 B
GDScript
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extends Button
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# 自定义信号
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signal mySignal(a, b)
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# 发送信号
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# emit_signal("mySignal", 1, 2)
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# disconnect("mySignal", 1, 2)
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# 类似于设计模式中的观察者
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func _ready():
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self.connect("mySignal", Callable(self, "onMySingalCallback"))
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self.connect("pressed", Callable(self, "onButton"))
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func onMySingalCallback(a, b):
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print("a:" + str(a))
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print("b:" + str(b))
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func onButton():
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emit_signal("mySignal", 1, 2)
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