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p5.js | rotateX() function

  • Last Updated : 05 Oct, 2021

The rotateX() function in p5.js is used to rotate the shape or an object around the x-axis.
Syntax: 

rotateX(angle)

Parameters: This function accepts single parameter angle which stores the angle by which rotation is to be done.
Below programs illustrate the rotateX() function in p5.js:
Example 1: This example uses rotateX() function to rotate an object around the x-axis. 

javascript




function setup() {
     
    // Create Canvas of given size
    createCanvas(800, 550, WEBGL);
}
 
function draw() {
     
    // Set the background color
    background(220);
     
    // Set stroke weight
    strokeWeight(12);
     
    // Rotation function
    rotate(PI / 7.0);
     
    // Call to rotateX function
    rotateX(millis() / 1000);
     
    // Draw rectangle
    rect(3, 3, 200, 39);
     
    // Draw ellipse
    ellipse(160, 160, 40, 40);
}

Output: 

Example 2: This example uses rotateX() function to rotate an object around the x-axis. 

javascript




function setup() {
   
    // Create canvas of given size
    createCanvas(500, 500, WEBGL);
}
  
function draw() {
     
    // Set background color
    background(200);
     
    // Set property to rotate the
    // shape about the x-axis
    rotateX(frameCount * 0.01);
     
    // Set stroke weight
    strokeWeight(2);
     
    // Set fill color
    fill("green");
     
    // Draw of height 100 and radius 50
    cylinder(50, 100);
}

Output: 

Reference: https://p5js.org/reference/#/p5/rotateX
 


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