Perspective

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(100);

}

​

function draw() {

    createCanvas(windowWidth, windowHeight);

  //background(0, 136, 255, 150);

  background(255);

  strokeWeight(5);

  //stroke(250, 0, 200, 100);

/*  fill(10, 250, 50, 100);

  ellipse(mouseX, mouseY, 100, 50);

  rect(mouseX, mouseY, 150, 70);

  */

  for(let x = 0; x < width; x = x + 20){

    stroke(250, map(x, 0, width, 30, 250), 0, 200); 

    line(x, 0, mouseX, mouseY);

    stroke(250, map(x, 0, width, 250, 30), 0, 200);

    line(x, height, mouseX, mouseY);

    for(let y = 0; y < height; y = y + 30){

    stroke(0, map(y, 0, height, 220, 0), 250);

    line(0, y, mouseX, mouseY);

    stroke(0, map(y, 0, height, 0, 220), 250);

    line(width, y, mouseX, mouseY);

      //pink = 255, 0, 125

      //green = 8, 255, 0

    }   

  }

}