72 		this->status = 0;  in Update()
74 	if (this->status == 2)  in Update()
94 	int status;  in Update()  local
98 		status = 2;  in Update()
100 		status = 1;  in Update()
110 		this->status = status;  in Update()
112 		this->status = 0;  in Update()
114 	if (this->status == 2)  in Update()
117     return (this->status == 0);  in Update()
130 		this->minus->status = -1;  in Draw()
132 	else if (this->minus->status < 0)  in Draw()
133 		this->minus->status = 0;  in Draw()
138 		this->plus->status = -1;  in Draw()
140 	else if (this->plus->status < 0)  in Draw()
141 		this->plus->status = 0;  in Draw()
158 	float color = 0.8 - 0.2 * this->status;  in Draw()
175     if (this->status > 0)  in Reset()
176         this->status = 0;  in Reset()