var otherX = 0;

var otherY = 100;

var changeOtherX = 0; 

var changeOtherY = 0;

var space;

​

function setup() {

  createCanvas(400, 400);

  space = loadImage("spaceimage.jpg.jpg")

}

​

function draw() {

  background(space);

  rot = rot + 0.1;

  otherX = otherX + 5;

  //opacity = opacity - 1;

  translate(otherX,otherY);

  rotate(rot);

  beginShape();

  stroke(200,200,200,200,100);

  fill(200,200,200,100);

  vertex(0,0);

  vertex(0+(-10),0+(+40));

  vertex(0+(+20),0+(+20));

  vertex(0+(-20),0+(+20));

  vertex(0+(+10),0+(+40));

  endShape(CLOSE);

  translate(-otherX,-otherY);

  rotate(-rot);

  if (otherY > 380){

    changeOtherY = changeOtherY - 7;

  }

  if (otherY < 20){

    changeOtherY = 7;

  }

  if (otherX > 380){

    changeOtherX = changeOtherX -7;

  }

  if (otherX < 20){

    changeOtherX = 7;

  }

}