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p5.js | rotateY() function

  • Last Updated : 05 Oct, 2021

The rotateY() function in p5.js is used to rotate the shape or an object around the y-axis.

Syntax: 

rotateY(angle)

Parameters: This function accepts single parameter angle which stores the angle by which rotation is to be done.

Below programs illustrate the rotateY() function in p5.js:

Example 1: This example uses rotateY() function to rotate an object around the y-axis.  

Javascript




function setup() {
 
    // Create Canvas of given size
    createCanvas(650, 450, WEBGL);
}
 
function draw() {
     
    // Set the background color
    background(220);
     
    // Set stroke weight
    strokeWeight(12);
     
    // Rotation function
    rotate(PI / 7.0);
     
    // Call to rotateY function
    rotateY(millis() / 1000);
     
    // Create rectangle
    rect(3, 3, 200, 39);
     
    // Create ellipse
    ellipse(50, 150, 40, 40);
}

Output: 

Example 2: This example uses rotateY() function to rotate an object around the y-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 y-axis
    rotateY(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/rotateY
 


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