void spray()
{
  int csize = 100;
  color pixelcolor;
  color c = color(0,0,0);
  float s1,s2,s3;
  int pixelnr;
  
  for(float i=csize; i > 0; i--)
    for(float j=0; j < 2*PI; j = j+(PI/30) ) {
      float b = cos(((csize-i)*(1/csize))*PI*0.5)*2;
      pixelcolor = getPixels(int(mouseX+toolOffsetX[activeTool]-imageOffsetX+(i-b)*sin(j)),int(mouseY+toolOffsetY[activeTool]-imageOffsetY+(i-b)*cos(j)));
      s1 = sin(((millis()%6000)/6000.000)*2*PI)*2;
      s2 = sin((((millis()+2000)%6000)/6000.000)*2*PI)*2;
      s3 = sin((((millis()+4000)%6000)/6000.000)*2*PI)*2;
      c = color(int(s1+red(pixelcolor)),int(s2+green(pixelcolor)),int(s3+blue(pixelcolor)));
      editPixels(int(mouseX+toolOffsetX[activeTool]-imageOffsetX+i*sin(j)),int(mouseY+toolOffsetY[activeTool]-imageOffsetY+i*cos(j)),c);
   }
}