事件

站点: 聚观点-创意编程
课程: 必修1. 互联网创意编程基础
图书: 事件
打印: 访客用户
日期: 2024年12月9日 星期一 14:51

1.1. 鼠标X坐标


mouseX

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.2. 鼠标Y坐标


mouseY

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.3. 上一帧时鼠标的X


pmouseX

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.4. 上一帧时鼠标的Y


pmouseY

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.5. 鼠标相对于窗口位置的X


winMouseX

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.6. 鼠标相对于窗口位置的Y


winMouseY

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.7. 上一帧时鼠标相对于窗口位置的X


pwinMouseX

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.8. 上一帧时鼠标相对于窗口位置的Y


pwinMouseY

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.9. 被按下的鼠标键


mouseButton

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.10. 被按下的鼠标键(左中右)


mouseButton

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.11. 鼠标键正被按下


mouseIsPressed

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.12. 当鼠标被移动


mouseMoved()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.13. 当鼠标被拖动


mouseDragged()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.14. 当鼠标键被按下


mousePressed()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.15. 当鼠标键被释放


mouseReleased()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.16. 当鼠标点击时


mouseClicked()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





1.17. 当鼠标双击时


doubleClicked()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





2.1. 当任何键被按下


keyPressed()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





2.2. 当任何键被释放


keyReleased()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





2.3. 当普通键被按下


keyTyped()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





2.4. 一个键正被按下


keyIsDown()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





2.5. 任何键正被按下


keyIsPressed

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





2.6. 按键内容


key

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





2.7. 按键值


keyCode

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





2.8. 预定义的键值


keyCode

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





3.1. 所有触动点


touches

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





3.2. 当触动事件被触发时


touchStarted()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





3.3. 当触动移动事件被触发时


touchMoved()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





3.4. 当每次触发结束时


touchEnded()

示例:

▶️运行示例代码



let x = 0;
function setup() {
  createCanvas(100, 100);
}
function draw() {
  background(204);
  x = x + 0.1;
  if (x > width) {
    x = 0;
  }
  line(x, 0, x, height);
}
function mousePressed() {
  noLoop();
}
function mouseReleased() {
  loop();
}

舞台区显示的画布内容如下:





4. 加速度

加速度