32 lines
746 B
GDScript
32 lines
746 B
GDScript
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extends Button
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func _ready():
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self.connect("pressed", self, "onButton")
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# yield(obj, signal)，函数立即返回，并且保存当前执行的位置和状态
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# yield返回GDScriptFunctionState类型对象，类似于Java的CompleteFuture
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# resume恢复GDScriptFunctionState保存的调用函数状态
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func onButton():
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var yieldResult1 = doSomething1()
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yieldResult1.resume()
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var yieldResult2 = doSomething2()
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# 等待yieldResult2执行完毕
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yield(yieldResult2, "completed")
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print("end")
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func doSomething1():
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yield()
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print("doSomething")
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func doSomething2():
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print(1)
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yield(get_tree().create_timer(1), "timeout")
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print(2)
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yield(get_tree().create_timer(1), "timeout")
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print(3)
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yield(get_tree().create_timer(1), "timeout")
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