Method isLineOverlap

core/math/Vec2.cpp:284–299

}

bool Vec2::isLineOverlap(const Vec2& A, const Vec2& B, const Vec2& C, const Vec2& D)
{
    // FAIL: Line undefined
    if ((A.x == B.x && A.y == B.y) || (C.x == D.x && C.y == D.y))
    {
        return false;
    }

    if (crossProduct2Vector(A, B, C, D) == 0 &&
        (crossProduct2Vector(C, D, C, A) == 0 || crossProduct2Vector(A, B, C, A) == 0))
    {
        return true;
    }

    return false;
}

bool Vec2::isSegmentOverlap(const Vec2& A, const Vec2& B, const Vec2& C, const Vec2& D, Vec2* S, Vec2* E)
{