LineSegment: segIntersection (cont)

int minx1 = Math.min(x1, x2);

if (x < minx1) return null;

int maxx1 = Math.max(x1, x2);

if (x > maxx1) return null;

int miny1 = Math.min(y1, y2);

if (y < miny1) return null;

int maxy1 = Math.max(y1, y2);

if (y > maxy1) return null;

int minx2 = Math.min(x3, x4);

if (x < minx2) return null;

int maxx2 = Math.max(x3, x4);

if (x > maxx2) return null;

int miny2 = Math.min(y3, y4);

if (y < miny2) return null;

int maxy2 = Math.max(y3, y4);

if (y > maxy2) return null;

return new LSPoint(x, y);

}

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