p5.js | rotate() function

The rotate() function in p5.js is used to rotate a shape or the object using p5.js to a specified axis over a specified angle.

Syntax:

rotate(angle, [axis])

Parameters: The function accepts single parameter as mentioned above and described below:

  • angle: The angle of rotation which specified in radians or degrees.
  • axis: the axis to rotate around

Below program illustrates the rotate() function in p5.js:
Example-1:

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function setup() {
    
    // Create Canvas of given size
    createCanvas(380, 170);
}
  
function draw() {
    
    // Set the background color
    background(220);
    
    strokeWeight(12);
    
    //set strokeJoin function
    strokeJoin(ROUND);
    
    // rotation function
    rotate(PI / 10.0);
    line(20, 30, 200, 30);
    line(200, 30, 200, 100);
    line(200, 100, 20, 30);
}

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Output:

Example-2:

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function setup() {
    
    // Create Canvas of given size
    createCanvas(380, 170);
}
  
function draw() {
    
    // Set the background color
    background(220);
    
    strokeWeight(12);
    
    // rotation function
    rotate(PI / 7.0);
    textSize(30);
    text("GeeksForGeeks", 50, 50);
}

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Output:

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



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