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Fix orientation of shadow frustum

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This commit is contained in:
Zach Pomerantz 2016-01-15 12:43:45 -08:00
parent 986af50b71
commit d6e5e2de81
1 changed files with 2 additions and 2 deletions
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4
libraries/render-utils/src/LightStage.cpp
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@ -25,11 +25,11 @@ void LightStage::Shadow::setKeylightFrustum(ViewFrustum* viewFrustum, float near
const auto& direction = glm::normalize(_light->getDirection());
glm::quat orientation;
if (direction == IDENTITY_UP) {
orientation = glm::quat(glm::mat3(IDENTITY_UP, -IDENTITY_FRONT, IDENTITY_RIGHT));
orientation = glm::quat(glm::mat3(IDENTITY_RIGHT, IDENTITY_UP, IDENTITY_FRONT));
} else {
auto side = glm::normalize(glm::cross(direction, IDENTITY_UP));
auto up = glm::normalize(glm::cross(side, direction));
orientation = glm::quat(glm::mat3(direction, up, side));
orientation = glm::quat_cast(glm::mat3(side, up, -direction));
}
_frustum->setOrientation(orientation);