Descubre la Programación : Muestra

final int PIXEL = 1; // done
final int PIXEL_INVERT = 2; // done
final int PIXEL_HFLIP = 3; // done
final int PIXEL_VFLIP = 4; // done
final int PIXEL_ROOTED = 5;
final int PIXEL_SQUARED = 6;
final int PIXEL_BRIGHTNESS = 7;
final int PIXEL_RANDOM = 8;
final int PIXEL_HDIST = 9;
final int PIXEL_VDIST = 10;

void main() {
  background(0);
  animate(draw);
}

int color(int rt, int gt, int bt) {
  int r = (rt>255?255:rt)<0?0:(rt>255?255:rt);
  int g = (gt>255?255:gt)<0?0:(gt>255?255:gt); 
  int b = (bt>255?255:bt)<0?0:(bt>255?255:bt); 
  return (255 * pow(2, 24)) + (r * pow(2, 16)) + (g * pow(2, 8)) + b;
}

int avgColor(int c1, int c2) {
  return color((red(c1)+red(c2))/2, (green(c1)+green(c2))/2, (blue(c1)+blue(c2))/2);
}

void applyFilter(int mode, int w, int h, int val) {
    int cw = 320/w;
    int ch = 320/h;
    for (int i = 0; i < w; i++) {
      for (int j = 0; j < h; j++) {
        int ax = (double)i*(double)cw + (double)cw/2.0;
        int ay = (double)j*(double)ch + (double)ch/2.0;
        if (mode == PIXEL_HFLIP) {
          ax = 319 - (i*cw + cw/2);
        } else if (mode == PIXEL_VFLIP) {
          ay = 319 - (j*ch + ch/2);
        }
        int c = getColor(ax, ay);
        if (mode == PIXEL_INVERT) {
          c = color(255-red(c), 255-green(c), 255-blue(c));
        }
        fill(red(c), green(c), blue(c));
        rect(i*cw - 1, j*ch - 1, cw+1, ch+1);
      }
    }
}

double t = 0;

void draw() {
  background(0, 0, 0, 0.025);
  fill(255);
  noStroke();
  //ellipse(160.0 + (cos((double)millis()/1000.0) * 80.0), 160.0 + (sin((double)millis()/1000.0) * 80.0), 120, 120);
  fill(255, 0, 0);
  ellipse(160.0 + (cos((double)t/30) * 80.0) + (cos((double)t/15) * 60.0), 160.0 + (sin((double)t/30) * 80.0) + (sin((double)t/15) * 60.0), 30, 30);
  applyFilter(PIXEL, 16, 16, 0);
  t += 3;
}

Programado por segfaultdev

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