1-5.mousePressed()
Name(名称):mousePressed()//可以看做是按下鼠标按钮中断函数
Examples(例子):
// Click within the image to change单击图像中更改
// the value of the rectangle矩形的颜色
int value = 0;
void draw() {
fill(value);
rect(25, 25, 50, 50);
}
void mousePressed() {
if (value == 0) {
value = 255;
} else {
value = 0;
}
}
Description(描述):The mousePressed() function is called once after every time a mouse button is pressed. The mouseButton variable (see the related reference entry) can be used to determine which button has been pressed.
每当按下鼠标按钮时,鼠标按压()函数就会调用一次。mouseButton变量(参见相关参考条目)可用于确定已按哪个按钮。
Mouse and keyboard events only work when a program has draw(). Without draw(), the code is only run once and then stops listening for events.
鼠标和键盘事件只在程序绘制()时才起作用。没有绘制(),代码只运行一次,然后停止监听事件。
Syntax(语法):mousePressed()
mousePressed(event)
Returns(返回值):Void(无)
Related(相关函数):mouseX
mouseY
pmouseX
pmouseY
mousePressed
mousePressed()
mouseReleased()
mouseClicked()
mouseMoved()
mouseButton
mouseWheel()
- 本文固定链接: http://iprocessing.cn/2017/07/14/mousepressed鼠标按下函数/
- 转载请注明: 卡萨布兰卡 于 Processing编程艺术 发表