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Add a shadow opacity property to Light3D

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This can be used to make shadows translucent for a specific light.

The light distance fade system also uses this to smoothly fade the shadow
when the light fade transition distance is greater than 0.
This commit is contained in:
Hugo Locurcio 2022-06-10 12:47:06 +02:00
parent f85a816965
commit baaa7503c7
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GPG key ID: 39E8F8BE30B0A49C
18 changed files with 65 additions and 36 deletions
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servers/rendering/renderer_rd/storage_rd/light_storage.cpp
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@ -88,6 +88,7 @@ void LightStorage::_light_initialize(RID p_light, RS::LightType p_type) {
light.param[RS::LIGHT_PARAM_SHADOW_FADE_START] = 0.8;
light.param[RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS] = 1.0;
light.param[RS::LIGHT_PARAM_SHADOW_BIAS] = 0.02;
light.param[RS::LIGHT_PARAM_SHADOW_OPACITY] = 1.0;
light.param[RS::LIGHT_PARAM_SHADOW_BLUR] = 0;
light.param[RS::LIGHT_PARAM_SHADOW_PANCAKE_SIZE] = 20.0;
light.param[RS::LIGHT_PARAM_SHADOW_VOLUMETRIC_FOG_FADE] = 0.1;