SCR_AABB.c

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class SCR_AABB
{
    vector m_vMin;
    vector m_vMax;
    vector m_vDimensions; // width, height, depth
 
    //------------------------------------------------------------------------------------------------
    bool DetectCollision2D(SCR_AABB other)
    {
        return
            m_vMin[0] < other.m_vMin[0] + other.m_vDimensions[0] &&
            m_vMin[0] + m_vDimensions[0] > other.m_vMin[0] &&
            m_vMin[2] < other.m_vMin[2] + other.m_vDimensions[2] &&
            m_vMin[2] + m_vDimensions[2] > other.m_vMin[2];
    }
 
    //------------------------------------------------------------------------------------------------
    // constructor
    void SCR_AABB(notnull array<vector> points)
    {
        if (points.IsEmpty())
            return;
 
        m_vMin = { float.MAX, float.MAX, float.MAX };
        m_vMax = { -float.MAX, -float.MAX, -float.MAX };
 
        foreach (vector point : points)
        {
            for (int i = 0; i < 3; i++)
            {
                if (point[i] < m_vMin[i])
                    m_vMin[i] = point[i];
 
                if (point[i] > m_vMax[i])
                    m_vMax[i] = point[i];
            }
        }
 
        m_vDimensions = m_vMax - m_vMin;
    }
}