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Cycles: Remove limits on the Sky texture's sun rotation

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For animation/driver purposes, being able to go outside of the 0-360
range makes things easier.

Differential Revision: https://developer.blender.org/D8091
This commit is contained in:
Lukas Stockner
2020-07-13 01:39:11 +02:00
parent f319eec881
commit 474dcbcf12
2 changed files with 7 additions and 2 deletions
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8
intern/cycles/render/nodes.cpp
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@@ -761,6 +761,12 @@ static void sky_texture_precompute_nishita(SunSky *sunsky,
float altitude_f = (float)altitude;
SKY_nishita_skymodel_precompute_sun(
sun_elevation, sun_size, altitude_f, air_density, dust_density, pixel_bottom, pixel_top);
/* limit sun rotation between 0 and 360 degrees */
sun_rotation = fmodf(sun_rotation, M_2PI_F);
if (sun_rotation < 0.0f) {
sun_rotation += M_2PI_F;
}
sun_rotation = M_2PI_F - sun_rotation;
/* send data to svm_sky */
sunsky->nishita_data[0] = pixel_bottom[0];
sunsky->nishita_data[1] = pixel_bottom[1];
@@ -769,7 +775,7 @@ static void sky_texture_precompute_nishita(SunSky *sunsky,
sunsky->nishita_data[4] = pixel_top[1];
sunsky->nishita_data[5] = pixel_top[2];
sunsky->nishita_data[6] = sun_elevation;
sunsky->nishita_data[7] = M_2PI_F - sun_rotation;
sunsky->nishita_data[7] = sun_rotation;
sunsky->nishita_data[8] = sun_disc ? sun_size : 0.0f;
}