The pmouseX variable in p5.js is used to store the horizontal position of the mouse cursor in the frame previous to the currently active frame, relative to the origin of the canvas.
Syntax:
mouseX
Below programs illustrate the pmouseX variable in p5.js:
Example 1: This example uses pmouseX variable to draw mouse pointer as circle.
function setup() { // Create canvas createCanvas(1000, 400); } function draw() { // Set the background color background(244, 248, 252); // Fill color relative pmouseX, // pmouseY and mouseY fill(pmouseX%255, pmouseY%255, mouseY%255); // Draw circle circle(pmouseX, mouseX, pmouseX%100); } |
Output:
Example 2: This example uses pmouseX variable to display the position of mouse pointer.
function setup() { // Create canvas createCanvas(1000, 400); // Set font size textSize(20); } function draw() { // Set background color background(200); // Display result text( "Position of pmouseX is " + pmouseX, 30, 40); } |
Output:
Reference: https://p5js.org/reference/#/p5/pmouseX