/// <summary>
/// 使用三色渐变模式生成球谐光数据
/// </summary>
/// <param name="sky"></param>
/// <param name="equator"></param>
/// <param name="ground"></param>
/// <returns></returns>
public static SHData GenSHByTriLight(Color sky, Color equator, Color ground)
{
Color oSkyColor, oEquatorColor, oGroundColor;
AmbientMode oMode = RenderSettings.ambientMode;
RenderSettings.ambientMode = AmbientMode.Trilight;
oSkyColor = RenderSettings.ambientSkyColor;
oEquatorColor = RenderSettings.ambientEquatorColor;
oGroundColor = RenderSettings.ambientGroundColor;
RenderSettings.ambientSkyColor = sky;
RenderSettings.ambientEquatorColor = equator;
RenderSettings.ambientGroundColor = ground;
DynamicGI.UpdateEnvironment();
SphericalHarmonicsL2 sh = new SphericalHarmonicsL2();
LightProbes.GetInterpolatedProbe(Vector3.zero, new Renderer(), out sh);
SHData retData = CreateInstance <SHData>();
retData.Init(sh);
RenderSettings.ambientMode = oMode;
RenderSettings.ambientSkyColor = oSkyColor;
RenderSettings.ambientEquatorColor = oEquatorColor;
RenderSettings.ambientGroundColor = oGroundColor;
DynamicGI.UpdateEnvironment();
return(retData);
}
/// <summary>
/// 通过天空盒方式生成球谐光数据
/// </summary>
/// <param name="cubeTex"></param>
/// <param name="rotate"></param>
/// <returns></returns>
public static SHData GenSHBySkyBox(Texture cubeTex, float rotate)
{
AmbientMode oMode = RenderSettings.ambientMode;
RenderSettings.ambientMode = AmbientMode.Skybox;
Material mSky = new Material(Shader.Find("Skybox/Cubemap"));
mSky.SetTexture("_Tex", cubeTex);
mSky.SetFloat("_Rotation", rotate);
Material oldSky = RenderSettings.skybox;
RenderSettings.skybox = mSky;
DynamicGI.UpdateEnvironment();
SphericalHarmonicsL2 sh = new SphericalHarmonicsL2();
LightProbes.GetInterpolatedProbe(Vector3.zero, new Renderer(), out sh);
SHData retData = CreateInstance <SHData>();
retData.Init(sh);
RenderSettings.skybox = oldSky;
RenderSettings.ambientMode = oMode;
DynamicGI.UpdateEnvironment();
DestroyImmediate(mSky);
return(retData);
}
