Method drawMiter

core/src/processing/opengl/LineStroker.java:383–416

(int px0, int py0, int x0, int y0, int x1, int y1,
                         int omx, int omy, int mx, int my, int color,
                         boolean rev)

  }

  private void drawMiter(int px0, int py0, int x0, int y0, int x1, int y1,
                         int omx, int omy, int mx, int my, int color,
                         boolean rev) {
    if (mx == omx && my == omy) {
      return;
    }
    if (px0 == x0 && py0 == y0) {
      return;
    }
    if (x0 == x1 && y0 == y1) {
      return;
    }

    if (rev) {
      omx = -omx;
      omy = -omy;
      mx = -mx;
      my = -my;
    }

    computeMiter(px0 + omx, py0 + omy, x0 + omx, y0 + omy, x0 + mx, y0 + my, x1
      + mx, y1 + my, miter);

    // Compute miter length in untransformed coordinates
    long dx = (long) miter[0] - x0;
    long dy = (long) miter[1] - y0;
    long a = (dy * m00 - dx * m10) >> 16;
    long b = (dy * m01 - dx * m11) >> 16;
    long lenSq = a * a + b * b;

    if (lenSq < miterLimitSq) {
      emitLineTo(miter[0], miter[1], color, rev);
    }
  }

  public void moveTo(int x0, int y0, int c0) {
    // System.out.println("LineStroker.moveTo(" + x0/65536.0 + ", " + y0/65536.0 + ")");