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恢复opengl标准模式LookAt

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hyzboy 2020-11-19 22:10:27 +08:00
parent 64cc9345d0
commit a6ca121707
1 changed files with 4 additions and 4 deletions
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8
src/Math/Matrix4f.cpp
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@ -96,14 +96,14 @@ namespace hgl
Vector4f nup=cross(right,forward); Vector4f nup=cross(right,forward);
Matrix4f result( right.x, right.y, right.z, dot(eye,right), Matrix4f result( right.x, right.y, right.z, 1.0f,
nup.x, nup.y, nup.z, dot(eye,nup), nup.x, nup.y, nup.z, 1.0f,
-forward.x, -forward.y, -forward.z/2.0f, dot(eye,forward), -forward.x, -forward.y, -forward.z/2.0f, 1.0f,
0.0f, 0.0f, 0.0f, 1.0f); 0.0f, 0.0f, 0.0f, 1.0f);
// ^^^^^^ // ^^^^^^
// 某些引擎这里为0.5，那是因为他们是 -1 to 1 的Z值设定，而我们是0 to 1，所以这里不用乘 // 某些引擎这里为0.5，那是因为他们是 -1 to 1 的Z值设定，而我们是0 to 1，所以这里不用乘
// 同理，camera的znear为接近0的正数，zfar为一个较大的正数，默认使用16/256 // 同理，camera的znear为接近0的正数，zfar为一个较大的正数，默认使用16/256
return result; return result*translate(-eye.xyz());
} }
}//namespace hgl }//namespace hgl