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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2022-12-22 20:56:28 +0000 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2022-12-22 20:56:28 +0000 |
| commit | ab264cdca7cfb9b47a7ff1f28cd843aab0eda96f (patch) | |
| tree | da824f3342eed061d3db5041f4f4df8362172a43 | |
| parent | Invert shadow mapper orthographic project z... because glmOrtho is 'helpful' (diff) | |
| download | ilt-ab264cdca7cfb9b47a7ff1f28cd843aab0eda96f.tar.bz2 ilt-ab264cdca7cfb9b47a7ff1f28cd843aab0eda96f.tar.xz ilt-ab264cdca7cfb9b47a7ff1f28cd843aab0eda96f.zip | |
No need for the range hack, the shadow box is just centred around the origin
| -rw-r--r-- | gfx/gl/shadowMapper.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/gfx/gl/shadowMapper.cpp b/gfx/gl/shadowMapper.cpp index 65c77c5..5691de9 100644 --- a/gfx/gl/shadowMapper.cpp +++ b/gfx/gl/shadowMapper.cpp @@ -36,8 +36,6 @@ ShadowMapper::ShadowMapper(const glm::ivec2 & s) : size {s} glm::mat4x4 ShadowMapper::update(const SceneProvider & scene, const glm::vec3 & dir, const Camera & camera) const { - constexpr auto BACK_OFF = 3600.f; - const glm::vec3 range = glm::normalize(dir) * BACK_OFF; auto viewExtents = camera.extentsAtDist(1) + camera.extentsAtDist(1000); const auto extents_minmax = [&viewExtents](auto && comp) { const auto mm = std::minmax_element(viewExtents.begin(), viewExtents.end(), comp); @@ -48,7 +46,7 @@ ShadowMapper::update(const SceneProvider & scene, const glm::vec3 & dir, const C return glm::vec3 {midpoint(x), midpoint(y), midpoint(z)}; }(extents_minmax(CompareBy {0}), extents_minmax(CompareBy {1}), extents_minmax(CompareBy {2})); - const auto lightView = glm::lookAt(centre, centre + range, up); + const auto lightView = glm::lookAt(centre, centre + dir, up); for (auto & e : viewExtents) { e = lightView * glm::vec4(e, 1); } |