if (lineCrossesLine(ax, ay, bx, by, dx, dy, ex, ey)) { return true; if (lineCrossesLine(bx, by, cx, cy, dx, dy, ex, ey)) { return true; if (lineCrossesLine(cx, cy, ax, ay, dx, dy, ex, ey)) { return true;
if (lineCrossesLine(ax, ay, bx, by, dx, dy, ex, ey)) { return true; if (lineCrossesLine(bx, by, cx, cy, dx, dy, ex, ey)) { return true; if (lineCrossesLine(cx, cy, ax, ay, dx, dy, ex, ey)) { return true;