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p5.js exitPointerLock() Function

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  • Last Updated : 01 Apr, 2021

The function exitPointerLock() quit the previously used Pointer Lock for example if the pointer is locked then it unlock it and vice-versa. It is used to exit the pointer lock  which is called by requestPointer() function.

Syntax:

exitPointerLock()

Step 1: Open the web editor of p5.js https://editor.p5js.org/

Step 2:Write the following code and see the result.

Example:

Javascript




// Make a boolean variable and set
// its value false
let lock = false;
  
// Set the function
function setup() {
  
    // Set the frame rate
    frameRate(5);
  
    // Set the canvas size
    createCanvas(600, 400, WEBGL);
}
  
// Set the draw function
function draw() {
  
    // Set the background colour
    background(175);
  
    // Set the camera
    let cX = random(-10, 10);
    let cY = random(-10, 10);
    let cZ = random(-10, 10);
  
    camera(cX, cY,
        cZ + (height / 2) / tan(PI / 6),
        cX, 0, 0, 0, 1, 0);
  
    ambientLight(255);
  
    rotateX(-movedX * 0.1);
    rotateY(movedY * 0.1);
  
    noStroke();
    normalMaterial();
  
    box(100, 100, 100);
}
  
// Function to apply exitpointer lock
function mouseReleased() {
  
    // If lock is not false then
    // make it true
    if (!lock) {
        lock = true;
  
        // Request for pointer lock
        requestPointerLock();
    } else {
  
        // Exit the pointer lock
        exitPointerLock();
  
        // Again make te lock variable false
        lock = false;
    }
}


Output:

In output, we can see that when the mouse is released it exit the previous pointer lock because we have set the mouseReleased() function to exit the pointer lock.


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