float yTrans = -50;
float xTrans = -550;
float offset = -400;
float zTrans = -250;
float zoom = -50;
float newX, newXmag = 0; 
PImage[] images = new PImage[35];
imageRow circle1, circle2, circle3;

void setup() {
 size(800, 500, P3D);
 frameRate(30);
 noStroke();
 colorMode(RGB);
 rectMode(CENTER);
 for(int i=1; i<10; i++) {
   String imageName = i + ".jpg";
   images[i] = loadImage(imageName);
 }
}

void draw() {
 background(0,0,0);
 translate(xTrans, yTrans, zTrans);
 circle1 = new imageRow(0, 0, 1);
 translate(500, yTrans, 0);
 circle2 = new imageRow(100, 0, 4);
 translate(500, yTrans, 0);
 circle2 = new imageRow(200, 0, 7);
 if (zTrans > 3630) {
   zTrans = -270;
   xTrans = -340;
 }
 println(int(zTrans));
 println(int(xTrans));
}
void mouseDragged(){
  noCursor();
  if (mouseY-pmouseY < 0) {
  zTrans = zTrans + 10;
}
  if (mouseY-pmouseY > 0) {
    zTrans = zTrans - 10;
 }
   if (mouseX-pmouseX < 0) {
    xTrans = xTrans - 5;
  }
  if (mouseX-pmouseX > 0) {
    xTrans = xTrans + 5;
  }
}
void mouseReleased() {
  cursor(); 
}
class imageRow{
 float initialX, Ytrans; int firstPic;
 imageRow(float x, float y, int n){
   initialX = x;
   Ytrans = y;
   firstPic = n;
   //translate(x,y,0);

   for (int i=n; i < (n+3); i++) {
     image(images[i],width*.5,height*.5);
     translate(x, y, offset);
   }
  }
}