emoji3D

PImage img;       // The source image
int cellsize = 2; // Dimensions of each cell in the grid
int cols, rows;   // Number of columns and rows in our system
float theta;
int frames = 60;

void setup() {

  img  = loadImage("http://emoji.ink/assets/160x160/750.png"); // Load the image
  size(500, 500, P3D);
  cols = img.width/cellsize;             // Calculate # of columns
  rows = img.height/cellsize;            // Calculate # of rows
}

void draw() {
  background(0);
  loadPixels();
  // Begin loop for columns
  for ( int i = 0; i < cols;i++) {
    // Begin loop for rows
    for ( int j = 0; j < rows;j++) {
      int x = i*cellsize + cellsize/2; // x position
      int y = j*cellsize + cellsize/2; // y position
      int loc = x + y*img.width;           // Pixel array location
      color c = img.pixels[loc];       // Grab the color
      // Calculate a z position as a function of mouseX and pixel brightness
      //float z = (mouseX/(float)width) * brightness(img.pixels[loc]) - 100.0;
      float vari = map(sin(theta),-1,1,0,1);
      float z = vari * brightness(img.pixels[loc]) - 50.0;
      // Translate to the location, set fill and stroke, and draw the rect
      pushMatrix();
      rotateY(0.1);
      translate(x+150,y+150,z);
      stroke(c);
      strokeWeight(cellsize);
      rectMode(CENTER);
      point(0,0);
      popMatrix();
    }
  }
  theta += TWO_PI/frames;

  //if (frameCount<=frames) saveFrame("image-###.gif");

}