Rouge Pixel!

/*
Rouge Pixel For Semi-Circle Wave "Detect?"... ;^)
First try by: Chris M. Thomasson
____________________________________________________*/

float t = 0;
float tinc = .4;
float mr = 128;

void setup()
{
  size(800, 800);//canvas
  t=0;
  noFill();
  background(0);
  colorMode(RGB, 255);
}


void draw()
{
  translate(width/2, height/2);

  // sin cos pair.
  float tcos = (cos(t)+floor(sin(t))*2+1);
  float tsin = sin(t);

  // projection
  float x = tcos * mr;
  float y = -tsin * mr;

  // color
  float a = floor(t * 1234) % 256;
  float b = floor(t * 4520) % 256;

  stroke(a, 255, b);//white
  line(x, y, 0, 0);

  // detect rouge pixel... Simple! ;^)
  if (tcos > 2)
  {
    println("ROUGE PIXEL AT: (", tcos, ", ", tsin, ")");
    println("noLoop()");
    noLoop(); //term
  }

  // bump t, at the end
  t += tinc;
}