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Remove magic numbers

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This commit is contained in:
Zach Pomerantz 2016-01-15 10:46:01 -08:00
parent e914f02445
commit b423bc38ba
2 changed files with 11 additions and 7 deletions
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10
libraries/render-utils/src/LightStage.cpp
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@ -18,7 +18,9 @@ LightStage::Shadow::Shadow(model::LightPointer light) : _light{ light}, _frustum
map = framebuffer->getDepthStencilBuffer();
}
void LightStage::Shadow::setKeylightFrustum(ViewFrustum* viewFrustum, float near, float far) {
void LightStage::Shadow::setKeylightFrustum(ViewFrustum* viewFrustum, float nearDepth, float farDepth) {
assert(nearDepth >= 0 && farDepth > 0);
// Orient the keylight frustum
const auto& direction = glm::normalize(_light->getDirection());
glm::quat orientation;
@ -32,7 +34,7 @@ void LightStage::Shadow::setKeylightFrustum(ViewFrustum* viewFrustum, float near
_frustum->setOrientation(orientation);
// Position the keylight frustum
_frustum->setPosition(viewFrustum->getPosition() - (glm::abs(near) + glm::abs(far))*direction);
_frustum->setPosition(viewFrustum->getPosition() - (nearDepth + farDepth)*direction);
_view = _frustum->getView();
const Transform viewInverse{ _view.getInverseMatrix() };
@ -40,8 +42,8 @@ void LightStage::Shadow::setKeylightFrustum(ViewFrustum* viewFrustum, float near
viewFrustum->calculate();
//const auto nearCorners = viewFrustum->getCorners(0);
const auto nearClip = viewFrustum->getNearClip();
const auto nearCorners = viewFrustum->getCorners(near);
const auto farCorners = viewFrustum->getCorners(far);
const auto nearCorners = viewFrustum->getCorners(nearDepth);
const auto farCorners = viewFrustum->getCorners(farDepth);
vec3 min{ viewInverse.transform(nearCorners.bottomLeft) };
vec3 max{ min };

8
libraries/render-utils/src/RenderShadowTask.cpp
View file

@ -102,7 +102,6 @@ void RenderShadowTask::run(const SceneContextPointer& sceneContext, const Render
return;
}
// TODO: If we're not using the global keylight, bail
const auto& lightStage = DependencyManager::get<DeferredLightingEffect>()->getLightStage();
const auto globalLight = lightStage.lights[0];
@ -113,8 +112,11 @@ void RenderShadowTask::run(const SceneContextPointer& sceneContext, const Render
ViewFrustum* viewFrustum = args->_viewFrustum;
const auto nearClip = viewFrustum->getNearClip();
globalLight->shadow.setKeylightFrustum(viewFrustum, nearClip - 1, nearClip + 20);
auto nearClip = viewFrustum->getNearClip();
const int SHADOW_NEAR_DEPTH = -1;
const int SHADOW_FAR_DEPTH = 20;
globalLight->shadow.setKeylightFrustum(viewFrustum,
glm::max(0.0f, nearClip - SHADOW_NEAR_DEPTH), nearClip + SHADOW_FAR_DEPTH);
// Set the keylight frustum
args->_viewFrustum = globalLight->shadow.getFrustum().get();