let y=0;

let xJump= 2; 

let yJump= 2.1;

​

function setup() {

  createCanvas(400, 400);

​

}

​

function draw() {

  background(220);

  colorMode(RGB); 

  fill(

    map(x,0,width,0,200),

    100,

    map(y,0,height,100,300),

    map(mouseX,0,width,0,50),

    map(mouseY,0,height,50,1)

    );

  ellipse(x, y, 25, 25);

  x = x + xJump;

  y = y + yJump;

​

}

​