class grid{

char[] carr = {'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};


float t1;
float t2;
float t3;
float stage= 625.0;
  int gridsize=6;////////////////////////////////////////////changegrid!!!!!!!!!!!!!!!!!!!  
  
float gridadd = stage/gridsize;


void drawgrid(){  

stroke(255);
float currenty = 0.0;
float currentx =0.0;

 for(int i=0;i<=gridsize;i++){
 currentx=currentx+gridadd;
 line(0,currentx,stage,currentx);
 }
  for(int i=0;i<=gridsize;i++){
  currenty=currenty+gridadd;
  line(currenty,0,currenty,stage);
  }
  
}


void checkgrid(float no1, float no2, int arraycolour){//no z
t1=no1;//x
t2=no2;//y
int thex;
int they;

thex=int(t1/gridadd);
they=int(t2/gridadd);

color c = pic.pixels[arraycolour];
float r = red(c);
float g = green(c);
float b = blue(c);


fill(r,g,b,20);
//fill(0,30);
rect(thex*gridadd, they*gridadd, gridadd, gridadd);

}



void ismouseover(){
char tempchar='.';
int tempint=0; 	
stroke(255);
fill(255);

if (keyPressed == true) {

for (int i=0;i<carr.length;i++){

  if (key == carr[i]){
  tempchar=carr[i];
  tempint=i;
  int yp = int(tempint/6);
  int xp = tempint-(yp*6);

  rect(xp*gridadd, yp*gridadd, gridadd, gridadd);  
  /*println("my y pos is " + yp);
  println("my x pos is " + xp);
  println(tempchar);*/
  }

} // end for
  
} // end if key pressed
    
} //end function


}//end class