john

PImage img;
int slices = 40, sliceSize;
float theta;

void setup() {
  size(400, 400);
  img = loadImage("john.jpg");
  sliceSize=width/slices;
  //image(img, 0, 0);
  frameRate(30);
}

void draw() {
  background(0);
  for (int i=0; i<slices;i++) {
    float offSet = PI/slices*i;
    int h =(int) map(sin(theta+offSet), -1, 1, 0, height);
    int y =(int) map(sin(theta+offSet), -1,1,height,0);
    copy(img, i*sliceSize, 0, sliceSize, height, i*sliceSize, y, sliceSize, h);
  }
  theta += (TWO_PI/slices);

 // if (theta<TWO_PI) saveFrame("image-###.gif");

}