function setup() {
createCanvas(400, 400);
}
var x = 100, y = 325;
var v = 5, a = -0.01;
function draw() {
background("lightblue");
fill("#009900");
rect (0, 200, 400, 200);
fill("gray");
rect(-5,280,410,100);
fill("white");
rect(-1,320 , 401 , 10);
point(x,y);