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Improve shadow filters (#12195)
* Rewrite shadow filtering for the new distortion * Calculate penumbra radius using a single sample * Avoid peter-panning effect due to filtering of short shadows * Add adaptive filter quality for soft shadows * Avoid sharp shadows on surfaces without normals (e.g. plants) * Increase default and maximum soft shadow radius * Make line numbers in shader errors match the code
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9 changed files with 131 additions and 220 deletions
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@ -631,8 +631,8 @@ shadow_update_frames (Map shadows update frames) int 8 1 16
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# Set the soft shadow radius size.
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# Lower values mean sharper shadows, bigger values mean softer shadows.
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# Minimum value: 1.0; maximum value: 10.0
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shadow_soft_radius (Soft shadow radius) float 1.0 1.0 10.0
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# Minimum value: 1.0; maximum value: 15.0
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shadow_soft_radius (Soft shadow radius) float 5.0 1.0 15.0
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# Set the tilt of Sun/Moon orbit in degrees.
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# Value of 0 means no tilt / vertical orbit.
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