C++ (Cpp) OBB::getFaceDirection Examples

Example #1

File: CCOBB.cpp Project: RyunosukeOno/rayjack

bool OBB::intersects(const OBB& box) const
{
    float min1, max1, min2, max2;
    for (int i = 0; i < 3; i++)
    {
        getInterval(*this, getFaceDirection(i), min1, max1);
        getInterval(box, getFaceDirection(i), min2, max2);
        if (max1 < min2 || max2 < min1) return false;
    }
    
    for (int i = 0; i < 3; i++)
    {
        getInterval(*this, box.getFaceDirection(i), min1, max1);
        getInterval(box, box.getFaceDirection(i), min2, max2);
        if (max1 < min2 || max2 < min1) return false;
    }
    
    for (int i = 0; i < 3; i++)
    {
        for (int j = 0; j < 3; j++)
        {
            Vec3 axis;
            Vec3::cross(getEdgeDirection(i), box.getEdgeDirection(j), &axis);
            getInterval(*this, axis, min1, max1);
            getInterval(box, axis, min2, max2);
            if (max1 < min2 || max2 < min1) return false;
        }
    }
    
    return true;
}