speed

controls the speed of the image in the direction given (adjusts the velocity system behind the scenes)

Examples

const img = $.loadImage(
    $.w/2, 
    $.h/2,
    "/images/sir_cheesealot.png"
);
img.direction = 270;
img.speed = 2;

function update() {
    img.draw();
    if(img.x < 0) {
        img.x=$.w;
        img.speed += 0.1;
    }
}