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Fix directional shadow bias

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* Simplified code a lot, bias based on normalized cascade size.
* Lets scale cascades, max distance, etc. without creating acne.
* Fixed normal biasing in directional shadows.

I removed normal biasing in both omni and spot shadows, since the technique can't be easily implemented there.
Will need to be replaced by something else.
This commit is contained in:
reduz 2021-07-29 13:30:39 -03:00
parent 8ee7adac1e
commit 55d357b1eb
6 changed files with 20 additions and 103 deletions
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3
doc/classes/SpotLight3D.xml
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@ -13,8 +13,7 @@
<methods>
</methods>
<members>
<member name="shadow_bias" type="float" setter="set_param" getter="get_param" override="true" default="0.02" />
<member name="shadow_normal_bias" type="float" setter="set_param" getter="get_param" override="true" default="1.0" />
<member name="shadow_bias" type="float" setter="set_param" getter="get_param" override="true" default="0.03" />
<member name="spot_angle" type="float" setter="set_param" getter="get_param" default="45.0">
The spotlight's angle in degrees.
</member>