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Make clouds work with Nishita sky model

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This commit is contained in:
Moritz Brückner 2021-03-31 20:31:31 +02:00
parent 420033c86d
commit ffcc5fcceb
1 changed files with 7 additions and 1 deletions
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8
blender/arm/make_world.py
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@ -279,7 +279,12 @@ def frag_write_clouds(world: bpy.types.World, frag: Shader):
func_cloud_radiance = 'float cloudRadiance(vec3 p, vec3 dir) {\n'
if '_EnvSky' in world.world_defs:
func_cloud_radiance += '\tvec3 sun_dir = hosekSunDirection;\n'
# Nishita sky
if 'vec3 sunDir' in frag.uniforms:
func_cloud_radiance += '\tvec3 sun_dir = sunDir;\n'
# Hosek
else:
func_cloud_radiance += '\tvec3 sun_dir = hosekSunDirection;\n'
else:
func_cloud_radiance += '\tvec3 sun_dir = vec3(0, 0, -1);\n'
func_cloud_radiance += '''\tconst int steps = 8;
@ -313,6 +318,7 @@ def frag_write_clouds(world: bpy.types.World, frag: Shader):
\t\tuv += (dir.xy / dir.z) * step_size * cloudsUpper;
\t}
'''
if world.arm_darken_clouds:
func_trace_clouds += '\t// Darken clouds when the sun is low\n'