23 lines
425 B
GDScript
23 lines
425 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", self, "onMySingalCallback")
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self.connect("pressed", self, "onButton")
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func onMySingalCallback(a, b):
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print("a:" + a as String)
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print("b:" + b as String)
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func onButton():
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emit_signal("mySignal", 1, 2)
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