// Extrusion 
// by REAS <http://www.groupc.net> 
//modified......-;)
BImage a; 
boolean onetime = true; 
int[][] aPixels; 
int[][] values; 
float angleX,angleY,butx,buty; 
 
void setup() 
{ 
  size(170, 240); 
 framerate(36); 
  aPixels = new int[width][height]; 
  values = new int[width][height]; 

 
  // Load the image into a new array 
  // Extract the values and store in an array 
  a = loadImage("acc.jpg"); 
  image(a, 0, 0); 
  for(int i=0; i<height; i++) { 
    for(int j=0; j<width; j++) { 
      aPixels[j][i] = a.pixels[i*width + j]; 
      values[j][i] =max(30, int((blue(aPixels[j][i])+red(aPixels[j][i])+green(aPixels[j][i]))/4)); 

    } 
  } 
} 
 
void loop() 
{ 
  background(95,95,110); 
  
  // Update and constrain the angle 

 butx=-(mouseY-height/2)/20.0f;
  buty=(mouseX-width/2)/20.0f;
   angleX+=(butx-angleX)/16.0f;
   angleY+=(buty-angleY)/16.0f;
  // Rotate around the center axis 
 translate(width/2, 0,-100); 
 rotateX(angleX);  
rotateY(angleY);  
  strokeWeight(3);
  // Display the image mass 
  for(int i=0; i<height; i++) { 
    for(int j=0; j<width; j+=2) { 
      stroke(aPixels[j][i]); 
     point(j-height/2, i, values[j][i]/2);
   
    }
  } 
}