我有这个结构:
struct MxMInstanceData
{
D3DXVECTOR2 mTransform;
float mSpacing;
};
然后我创建一个 MxMInstanceData 向量:
std::vector<MxMInstanceData> instInFrustumData;
如果我打电话instInFrustumData.clear()
,我会收到这个错误:
断言失败(向量迭代器不兼容)
矢量创建代码:
instInFrustumData.reserve(mNumInstances);
矢量更新代码:
void Terrain::updateInstances()
{
mNumInstancesInFrustum = 0;
if(instInFrustumData.size() != 0)
instInFrustumData.clear();
mpMxMInstInFrustumB->Map(D3D10_MAP_WRITE_DISCARD, NULL, (void**) &instInFrustumData);
for(int x = 0; x < mNumInstances; x++)
{
if(mpCamera->point2DInFrustum(instData[x].mTransform +
D3DXVECTOR2(instData[x].mSpacing/2 + mpCamera->getPosition().x, instData[x].mSpacing/2 + mpCamera->getPosition().z), instData[x].mSpacing/2)
!= OUTSIDE)
{
instInFrustumData.push_back(instData[x]);
mNumInstancesInFrustum++;
}
}
mpMxMInstInFrustumB->Unmap();
}
什么能让这发生?
在我班级的析构函数中,我也调用 clear()