import processing.video.*;
import processing.opengl.*;

int l,w,h,idx,a;
float t;
boolean p=true,q=false;
boolean cheatScreen=false;
PImage[] leaf;

/*
final String seqName="stella.png";
final String setName="itten/";
final int HowManyLeaf=1;
*/


final String seqName="sex.jpg";
final String setName="sex/";
final int HowManyLeaf=2;

final String shoot="shoot/";

final int pixCam=10;
final int squareSide=30;
final int screenPix=squareSide*pixCam;
final int fr=24;
Capture cam;

void setup() 
{
  size(4*screenPix, 3*screenPix, OPENGL);
  cam = new Capture(this, 4*pixCam, 3*pixCam, fr);
  noStroke();
  leaf= new PImage[HowManyLeaf];
  l=squareSide;
  w=width/2;
  h=height/2;
  frameRate(fr);
  for (int i=0; i< HowManyLeaf; i++) {
    println("loading "+setName+i+"-"+seqName);
   leaf[i] =loadImage(setName+i+"-"+seqName);
   leaf[i].mask(loadImage(setName+i+"-M"+seqName));
  }
  
  textureMode(NORMALIZED);
}

public void captureEvent(Capture c) {
  c.read();
}



void draw() 
{
 idx=0;
 background(255, 255, 255);
  //translate(0, 0);
  for(int j=0; j<height; j+=squareSide) {
     for(int i=0; i<width; i+=squareSide){
     
      int pixelColor = cam.pixels[idx];
      int r = (pixelColor >> 16) & 0xff;
      int g = (pixelColor >> 8) & 0xff;
      int b = pixelColor & 0xff;
      
      if (p) {
      t=(float)(r+g+b)/(float)(255*3);
      }else{
      t=(0.3*r+0.59*g+011.*b)/1000.0;
      }
      if (q) {t=abs(1.0-t);}
      drawSlab(l,i,j,t,int(t*250));
      idx++;
    }
  }
   if (cheatScreen) {
    image(cam, 0, 0);
  }


 //saveFrame("pixel-#####.png");
}

void drawSlab(int l,int x, int y ,float value,int alpha){
  fill(255, 255, 255, alpha);
  pushMatrix();
  translate(x,y);
  pushMatrix();
  scale (int(3*l*(1-value)),int(3*l*(1-value)),1);
  rotate (value*2.0*PI);
 int leafSel= (  (int)(value *100)   ) % HowManyLeaf ;
  
  beginShape(QUADS);
  texture(leaf[leafSel ]);
      vertex (0,0,0,0);
      vertex (0,1,0,1);
      vertex (1,1,1,1);
      vertex (1,0,1,0);
  endShape();
 
  popMatrix();
  popMatrix();
  }


public void keyPressed() {

  switch (key) {
    case 'c': cheatScreen = !cheatScreen; break;
    case 'g': saveFrame(setName+shoot+"######.png"); println ("saved "+l); break;
    case 's': cam.settings();break;
    case 'p': p=!p;break;
    case 'i': q=!q;break;
    case 'a': l++; println(l); break;
    case 'z': if (l > 2) {l--;println(l);};break;

  }

}