Method DrawGroupCollider

LuaSTGPlus/GameObjectPool.cpp:1402–1446

}

void GameObjectPool::DrawGroupCollider(f2dGraphics2D* graph, f2dGeometryRenderer* grender, int groupId, fcyColor fillColor)
{
    GameObject* p = m_pCollisionListHeader[groupId].pCollisionNext;
    GameObject* pTail = &m_pCollisionListTail[groupId];
    while (p && p != pTail)
    {
        if (p->colli)
        {
            if (p->rect)
            {
                fcyVec2 tHalfSize((float)p->a, (float)p->b);

                // ��������ε�4������
                f2dGraphics2DVertex tFinalPos[4] =
                {
                    { -tHalfSize.x, -tHalfSize.y, 0.5f, fillColor.argb, 0.0f, 0.0f },
                    { tHalfSize.x, -tHalfSize.y, 0.5f, fillColor.argb, 0.0f, 1.0f },
                    { tHalfSize.x, tHalfSize.y, 0.5f, fillColor.argb, 1.0f, 1.0f },
                    { -tHalfSize.x, tHalfSize.y, 0.5f, fillColor.argb, 1.0f, 0.0f }
                };

                // float tSin = sin(Angle), tCos = cos(Angle);
                float tSin, tCos;
                SinCos((float)p->rot, tSin, tCos);

                // �任
                for (int i = 0; i < 4; i++)
                {
                    fFloat tx = tFinalPos[i].x * tCos - tFinalPos[i].y * tSin,
                        ty = tFinalPos[i].x * tSin + tFinalPos[i].y * tCos;
                    tFinalPos[i].x = tx + (float)p->x; tFinalPos[i].y = ty + (float)p->y;
                }

                graph->DrawQuad(nullptr, tFinalPos);
            }
            else
            {
                grender->FillCircle(graph, fcyVec2((float)p->x, (float)p->y), (float)p->col_r, fillColor, fillColor,
                    p->col_r < 10 ? 3 : (p->col_r < 20 ? 6 : 8));
            }
        }

        p = p->pCollisionNext;
    }
}