The clear() function in p5.js is used to clear the pixels within a buffer. This function only clears the canvas. This function clears everything to make all of the pixels 100% transparent. It can be used to reset the drawing canvas.
Syntax:
clear()
Parameters: This function does not accept any parameter.
Below program illustrates the clear() function in p5.js:
Example: This example uses clear() function to clear the canvas.
function setup() {       // Create canvas     createCanvas(700, 700); }    function draw() {           noStroke();           // Draw Ellipse at mouseX and mouseY     ellipse(mouseX, mouseY, 20, 20);        // Set color of the ellipse     fill( 'green' );           // Set the text size     textSize(20);           // Set the text     text( "Press Mouse To Clear The Screen" , 20, 30); }    // Define the mousePressed function function mousePressed() {     clear(); } |
Output:
Before Clicking the mouse button:
After Clicking the mouse button:
Reference: https://p5js.org/reference/#/p5/clear