쿼터뷰 타일 타일 픽킹

float fInclination = (TILESIZEY / 2.f) / (TILESIZEX / 2.f);

D3DXVECTOR3 vTilePoint[4]; vTilePoint[0] = D3DXVECTOR3(vPos.x - TILESIZEX / 2.f, vPos.y ,vPos.z); vTilePoint[1] = D3DXVECTOR3(vPos.x , vPos.y- TILESIZEY / 2.f ,vPos.z); vTilePoint[2] = D3DXVECTOR3(vPos.x + TILESIZEX / 2.f, vPos.y ,vPos.z); vTilePoint[3] = D3DXVECTOR3(vPos.x , vPos.y + TILESIZEY / 2.f ,vPos.z);

float fb[4]; fb[0] = vTilePoint[0].y - fInclination * vTilePoint[0].x; fb[1] = vTilePoint[1].y + fInclination * vTilePoint[1].x; fb[2] = vTilePoint[2].y - fInclination * vTilePoint[2].x; fb[3] = vTilePoint[3].y + fInclination * vTilePoint[3].x;

마우스점과 타일직선의 값을 계산해서 판별