int w=600;
int h=600;
color[] newPix=new color[w*h];

int effnum;
int effmax=1;
int refs=3;
int fr=60;

int sl=70;

int controls=0;

int px=0,py=0;

boolean playing=false;


PImage play;
PImage pause;
PImage save;

boolean fsc=true;

void setup(){
  size(600,600);
  fill(0);
  noStroke();
  //sl=400;
  
  play=loadImage("play.png");
  pause=loadImage("pause.png");
  save=loadImage("save.png");
  
  for(int i=0;i<360000;i++){
    newPix[i]=color(240,240,240);
  }
  
  background(240);
  
  loadPixels();

  
}

void draw(){

  

  background(255);
    
  if(playing){
    
  //arrayCopy(newPix,pixels);
  
  
  effnum=floor(random(0,effmax+1));
  for(int j=0;j<effnum;j++){
    
    switch(floor(random(0,refs+1))){
      case 0:
        invSpa();
        break;
       case 1:
         tileY(floor(random(1,height+1)));
         break; 
        case 2:
         tileX(floor(random(1,width+1)));
         break;
    }    
  
  }
  //invSpa();
  slide(-1,3); 
  
  //arrayCopy(pixels,newPix);
  }

  updatePixels();
  
  
  if(px!=mouseX||py!=mouseY){
    px=mouseX;
    py=mouseY;
    controls=100;
  }


  
  if(controls>0||fsc){
    controls-=4;
    
    if(mouseY<50){
        controls=100;
        fsc=false;
      }
    fill(0,controls);
    rect(0,0,600,50);
    if(mouseX<300&&mouseY<50){
      fill(0,0,0,controls);
      rect(0,0,300,50);
    }
    else if(mouseX>300&&mouseY<50){
      fill(0,0,0,controls);
      rect(300,0,300,50);
    }
    
    tint(255,min(255,controls*5));
    if(playing)image(pause,0,0);
    else image(play,0,0);
    
    image(save,300,0);
    tint(255,255);
    
  }
 
}

void invSpa(){
  int space=floor(random(1,width));
  for(int i=0;i<width*height;i+=space){
    pixels[i]=color(240-red(pixels[i]),240-green(pixels[i]),240-blue(pixels[i]));
  } 
}

void tileX(int thick){
  int sx=floor(random(0,width-thick));
  for(int y=0;y<height;y++){
    for(int x=0;x<width;x++){
      pixels[y*width+x]=pixels[y*width+x%thick+sx];
    }
  }
}

void tileY(int thick){
  int sy=floor(random(0,height-thick));
  for(int y=0;y<height;y++){
    for(int x=0;x<width;x++){
      pixels[y*width+x]=pixels[(y%thick+sy)*width+x];
    }
  }
}

void invert(){
  for(int i=0;i<height*width;i++){
    pixels[i]=invCol(pixels[i]);
  }
}

void dim(float factor){
  for(int i=0;i<height*width;i++){
    pixels[i]=color(factor/255*red(pixels[i]),factor/255*green(pixels[i]),factor/255*blue(pixels[i]));
  }
}

void flipX(){
  for(int x=0;x<width;x++){
    for(int y=0;y<height;y++){
      newPix[y*width+x]=pixels[y*width+width-x-1];
    }
  }
  arrayCopy(newPix,pixels);
}

void flipY(){
  for(int x=0;x<width;x++){
    for(int y=0;y<height;y++){
      newPix[y*width+x]=pixels[height*width-width-y*width+x];
    }
  }
  arrayCopy(newPix,pixels);
}

void rot180(){
  for(int i=0;i<height*width;i++){
    newPix[i]=pixels[height*width-1-i];
  }
  arrayCopy(newPix,pixels);
}

void invRect(int sx,int sy,int wx, int hy){
  
  for(int x=sx;x<sx+wx;x++){
    for(int y=sy-hy;y<sy+hy;y++){
      if(x>=0&&x<width&&y>=0&&y<height)pixels[y*width+x]=invCol(pixels[y*width+x]);
    }
  }
}

color invCol(color inp){
  return color(255-red(inp),255-green(inp),255-blue(inp));
}

void slide(int x,int r){
  for(int i=0;i<height*width;i++){
    newPix[i]=pixels[(i+x+floor(random(0,r))+height*width)%(height*width)];
  }
  arrayCopy(newPix,pixels);
}

void mouseClicked(){
  if(mouseX<300&&mouseY<50){
    playing=!playing;
  }
  else if(mouseY<50){
    updatePixels();
    window.open(canvas.toDataURL("image/png"), '_blank');
    
  }
}