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fix frustumLH projection matrix get wrong result when left/right or top/bottom is not symmetries

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junjie020 2021-07-16 11:22:43 +08:00
parent 2759ceca04
commit 5f95999f32
1 changed files with 4 additions and 4 deletions
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8
glm/ext/matrix_clip_space.inl
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@ -125,8 +125,8 @@ namespace glm
mat<4, 4, T, defaultp> Result(0); mat<4, 4, T, defaultp> Result(0);
Result[0][0] = (static_cast<T>(2) * nearVal) / (right - left); Result[0][0] = (static_cast<T>(2) * nearVal) / (right - left);
Result[1][1] = (static_cast<T>(2) * nearVal) / (top - bottom); Result[1][1] = (static_cast<T>(2) * nearVal) / (top - bottom);
Result[2][0] = (right + left) / (right - left); Result[2][0] = -(right + left) / (right - left);
Result[2][1] = (top + bottom) / (top - bottom); Result[2][1] = -(top + bottom) / (top - bottom);
Result[2][2] = farVal / (farVal - nearVal); Result[2][2] = farVal / (farVal - nearVal);
Result[2][3] = static_cast<T>(1); Result[2][3] = static_cast<T>(1);
Result[3][2] = -(farVal * nearVal) / (farVal - nearVal); Result[3][2] = -(farVal * nearVal) / (farVal - nearVal);
@ -139,8 +139,8 @@ namespace glm
mat<4, 4, T, defaultp> Result(0); mat<4, 4, T, defaultp> Result(0);
Result[0][0] = (static_cast<T>(2) * nearVal) / (right - left); Result[0][0] = (static_cast<T>(2) * nearVal) / (right - left);
Result[1][1] = (static_cast<T>(2) * nearVal) / (top - bottom); Result[1][1] = (static_cast<T>(2) * nearVal) / (top - bottom);
Result[2][0] = (right + left) / (right - left); Result[2][0] = -(right + left) / (right - left);
Result[2][1] = (top + bottom) / (top - bottom); Result[2][1] = -(top + bottom) / (top - bottom);
Result[2][2] = (farVal + nearVal) / (farVal - nearVal); Result[2][2] = (farVal + nearVal) / (farVal - nearVal);
Result[2][3] = static_cast<T>(1); Result[2][3] = static_cast<T>(1);
Result[3][2] = - (static_cast<T>(2) * farVal * nearVal) / (farVal - nearVal); Result[3][2] = - (static_cast<T>(2) * farVal * nearVal) / (farVal - nearVal);