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Remove shadow direction quantization, increase shadow update frames instead (#15665)

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* This removes shadow direction quantization and defaults shadow_update_frames to 16 instead.
This commit is contained in:
lhofhansl
2025-01-11 16:41:50 -08:00
committed by GitHub
parent d044c27b5f
commit d15214af52
3 changed files with 3 additions and 15 deletions
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14
src/client/shadows/dynamicshadows.cpp
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@@ -13,18 +13,6 @@
using m4f = core::matrix4;
static v3f quantizeDirection(v3f direction, float step)
{
float yaw = std::atan2(direction.Z, direction.X);
float pitch = std::asin(direction.Y); // assume look is normalized
yaw = std::floor(yaw / step) * step;
pitch = std::floor(pitch / step) * step;
return v3f(std::cos(yaw)*std::cos(pitch), std::sin(pitch), std::sin(yaw)*std::cos(pitch));
}
void DirectionalLight::createSplitMatrices(const Camera *cam)
{
static const float COS_15_DEG = 0.965926f;
@@ -74,7 +62,7 @@ void DirectionalLight::createSplitMatrices(const Camera *cam)
v3f boundVec = (cam_pos_scene + farCorner * sfFar) - center_scene;
float radius = boundVec.getLength();
float length = radius * 3.0f;
v3f eye_displacement = quantizeDirection(direction, M_PI / 2880 /*15 seconds*/) * length;
v3f eye_displacement = direction * length;
// we must compute the viewmat with the position - the camera offset
// but the future_frustum position must be the actual world position