ejercicios de programación

void setup() {
  size (700,350);
    background (255);
 
}
void draw () {
}
void mousePressed() {
  background((random(250)),(random(20)),(random(10)));
  strokeWeight (10);
  smooth ();
  fill (20, 128, random (256));
 rectMode (CENTER);
  rect (mouseX,mouseY,70,50);
}
void keyPressed () {
background((random(50)),150,(random(100)));

}

int xspeed,yspeed;
int xpos,ypos,wdth,ht;

void setup() {
  size(700,700);
  background(100,255,255);

xspeed=2;
yspeed=4;
wdth=80;
ht=90;

noStroke();
xpos=width/4;
ypos=height/4;
frameRate(50);
}

void draw(){
  smooth();
  fill((random(20)),(random(255)),(random(240)),20);
  ellipse(xpos,ypos,wdth,ht);
  smooth();
  fill((random(20)),(random(255)),(random(240)));
  ellipse(xpos,ypos,wdth,ht);
  xpos+=xspeed;
  ypos+=yspeed;
  if(xpos>=width-wdth/6 || xpos<=wdth/6){
    xspeed*=-5;
  }
  if(ypos>=height-ht/6 || ypos<=ht/6){
   yspeed*=-1;
  }
}