var x
var y
var vx=1
var vy=1
var ang
var ballspeed=1
var pH
var pW
var pX
var pY
var interval=setInterval(draw,40)

function setup() {
  createCanvas(400, 400);
  x=random(390)
  y=random(100)
  ang=random(256)
  vx=cos(ang/256*PI)*ballspeed;
  vx=sin(ang/256*PI)*ballspeed;
  pH=10
  pW=75
  pX=(width-pW)/2
  pY=height-pH
}

function draw() {
  background(220);
  
  x=x+vx
  y=y+vy
  if (x>400){vx=-vx}
  else{
    if (x<0){x=0
             vx=-vx}}
  if (y>=390){
    if(x>pX&x<(pX+pW))
    {vy=-vy}
    else{
    alert("Game over")
    document.location.reload()
    clearInterval(interval)}}
      if(y<0){vy=-vy}
  
  circle(x,y,20)
  if (keyIsDown(LEFT_ARROW)) {
pX=pX-5
  }
  if (keyIsDown(RIGHT_ARROW)) {
    pX=pX+5
  }
  
  rect(pX,pY,pW,pH)
  
}