[英]Can't multiply XMVECTOR with float
I got these rows code from the DirectX Tutorial which is compiling fine in the tutorial: 我从DirectX教程中获得了这些行代码,该代码在该教程中可以很好地进行编译:
DirectX::XMFLOAT4 vLightDirs[2] =
{
DirectX::XMFLOAT4(-0.577f, 0.577f, -0.577f, 1.0f),
DirectX::XMFLOAT4(0.0f, 0.0f, -1.0f, 1.0f),
};
for (int m = 0; m < 2; m++)
{
DirectX::XMMATRIX mLight = DirectX::XMMatrixTranslationFromVector(5.0f * DirectX::XMLoadFloat4(&vLightDirs[m]));
DirectX::XMMATRIX mLightScale = DirectX::XMMatrixScaling(0.2f, 0.2f, 0.2f);
mLight = mLightScale * mLight;
}
But in my own project I get an error: 但是在我自己的项目中,我得到一个错误:
Error 4 error C2677: binary '*' : no global operator found which takes type 'DirectX::XMVECTOR' (or there is no acceptable conversion) d:\\projects\\3dtestproject\\3dtestproject\\application.cpp 76 1 3DTestProject
错误4错误C2677:二进制'*':找不到类型为'DirectX :: XMVECTOR'的全局运算符(或没有可接受的转换)d:\\ projects \\ 3dtestproject \\ 3dtestproject \\ application.cpp 76 1 3DTestProject
This is the row (if it isn't clear): 这是行(如果不清楚):
DirectX::XMMATRIX mLight = DirectX::XMMatrixTranslationFromVector(5.0f * DirectX::XMLoadFloat4(&vLightDirs[m]));
directxmath.h is included. 包括directxmath.h。
运算符重载也在DirectX C ++名称空间中,因此除非您具有以下条件,否则它们将无法解析:
using namespace DirectX;
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