Zoom in - OpenProcessing

mySketch
xxxxxxxxxx
 
/* @pjs preload="IMGP9929.jpg"; */
​
int[] pix;
PVector[] pos;
final int FACTOR = 3;
final float FRICTION = .95, ACC = .12, DCOEFF = .5;
float DMIN = 50, DMAX = 90;
int w, h, imgW, imgH;
Boolean magnify = true;
​
void setup() {
  size(266, 400, P2D);
  PImage img = loadImage("IMGP9929.jpg");
  imgW = img.width;
  imgH = img.height;
  img.loadPixels();
  pix = new int[img.pixels.length];
  pos = new PVector[img.pixels.length];
  arrayCopy(img.pixels, pix);
  img.updatePixels();
​
  w = int(img.width / FACTOR);
  h = int(img.height / FACTOR);
​
  for (int i = 0; i < w; i ++) {
    for (int j = 0; j < h; j ++) {
      pos[j * width + i] = new PVector(FACTOR*i, FACTOR*j);
    }
  }
}
​
void draw() {
  loadPixels();
  int k, nx, ny;
  float d, coeff, acc;
  for (int i = 0; i < w; i ++) {
    for (int j = 0; j < h; j ++) {
      k = j * width + i;
​
      d = constrain(dist(mouseX, mouseY, i, j), DMIN, DMAX);
​
      PVector tmp = new PVector(mouseX*FACTOR, mouseY*FACTOR);      
      coeff = map(d, DMIN, DMAX, 1, FACTOR);
      tmp.x += coeff * (i - mouseX);
      tmp.y += coeff * (j - mouseY);
​
      tmp.sub(pos[k]);
​
      acc = map(d, DMIN, DMAX, .3, .05);
      tmp.mult(acc);
​
      pos[k].add(tmp);
​
      nx = int(pos[k].x);
      ny = int(pos[k].y);
      if (nx >= 0 && nx < imgW && ny >= 0 && ny < imgH) {
        pixels[k] = pix[ny * imgW + nx];
      }
    }
  }
  updatePixels();
}
​
void mousePressed() {
  magnify = !magnify;
  if (magnify) {
    DMIN = 50;
    DMAX = 90;
  } else {
    DMIN = .01;
    DMAX = .1;
  }
}