// Alpha Mask
// by toxi <http://www.toxi.co.uk>

// Loads a "mask" for an image which specifies its transparency 
// in different parts of the image. The two images are blended
// together using the blend() function.

// Created 29 April 2003

MyImage myImg;

     
      int winkel = 0;
      int count = 0;
      int winkel_speed = 2;

      int anzahl = 20;
      float wOffset = 360 / anzahl;

      int x_amp = 70;
      int y_amp = 70;
      int z_amp = 50;
      
      float xFreq = 1.2;
      float yFreq = 0.8;
      float zFreq = .9;
      
      
      
      int x_mid;
      int y_mid;
      int z_mid = 50;

void setup() 
{
  size(200,200);
  framerate(30);
  myImg = new MyImage("meer.jpg");

      x_mid = width/2;
      y_mid = height/2;
}

void loop() 
{

    myImg.setBack();
    smooth();
    lights();
  
    count++;
   
    if (count>= 720){
      //count = 360;
    }
  
    int winkel_x = 360 * mouseX/width;
    int winkel_y = 360 * mouseY/height;  
    winkel += winkel_speed;
 
      float A = radians(count);
 
 //println(sin(count*PI/180)); 
    
    for(int i=0; i<anzahl; i++) {
    
      push();  
      fill(0, 100, 200, 40);
      
      //float w_1 = radians(winkel+wOffset*i);
      //float w_2 = radians(winkel*2+wOffset*i);
     
      
      float xA = count*xFreq+wOffset*i;
      float yA = count*yFreq+wOffset*i;
      float zA = count*zFreq*2+wOffset*i;
      
      if (xA>360) xA -= 360;
      if (yA>360) yA -= 360;
      if (zA>360) zA -= 360;
      
      float w_x = radians(xA);
      float w_y = radians(yA);
      float w_z = radians(zA);
      

     
      
      translate(sin(w_x)*x_amp + x_mid, sin(w_z)*cos(w_y)*y_amp + y_mid, cos(w_z)*z_amp - z_mid);
      rotateX(A); 
      rotateY(A); 
      box(10); 
      pop();
      
      
    } 
 
  /*
  
  
  float rad = radians(deg); 
println(deg + " degrees is " + rad + " radians"); 

    push();
    
    rotateX(winkel* PI / 180); 
    pop();
 
//- erster würfel
    fill(0, 100, 200);
    push();  
    translate(90, 90, -winkel_x/2 + 30); 
    rotateX(winkel* PI / 180); 
    rotateY(winkel_y * PI / 180); 
   // rotateZ(winkel_y * PI / 90); 
    box(40); 
    pop();
    
//- zweiter würfel
    fill(204, 102, 0); 
    translate(110, 110, -30); 
    rotateX(winkel* PI / 180); 
    //rotateY(winkel_y * PI / 180); 
    //rotateZ(winkel_y * PI / 90); 
    box(40); 
*/
}

class MyImage 
{
  BImage  b;
  //int[]   mask;
  int     area;
    
  MyImage(String basefile) 
  {
    //img=loadImage(basefile);
    //background(img); 
    //area=img.width*img.height;
    
    //BImage b; 
    b = loadImage("meer.jpg"); 
    background(b); 
  }
  
  void setBack()
  {
    background(b); 
  }
  
 
  
}