Boat Attack使用了Universal RP的许多新图形功能,可以用于探索 Universal RP 的使用方式和技巧。
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#ifndef UNIVERSAL_PARTICLES_SIMPLE_LIT_INPUT_INCLUDED
#define UNIVERSAL_PARTICLES_SIMPLE_LIT_INPUT_INCLUDED
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Particles.hlsl"
CBUFFER_START(UnityPerMaterial)
float4 _SoftParticleFadeParams;
float4 _CameraFadeParams;
float4 _BaseMap_ST;
half4 _BaseColor;
half4 _EmissionColor;
half4 _BaseColorAddSubDiff;
half _Cutoff;
half4 _SpecColor;
half _Smoothness;
half _DistortionStrengthScaled;
half _DistortionBlend;
CBUFFER_END
TEXTURE2D(_SpecGlossMap); SAMPLER(sampler_SpecGlossMap);
#define SOFT_PARTICLE_NEAR_FADE _SoftParticleFadeParams.x
#define SOFT_PARTICLE_INV_FADE_DISTANCE _SoftParticleFadeParams.y
#define CAMERA_NEAR_FADE _CameraFadeParams.x
#define CAMERA_INV_FADE_DISTANCE _CameraFadeParams.y
half4 SampleAlbedo(float2 uv, float3 blendUv, half4 color, float4 particleColor, float4 projectedPosition, TEXTURE2D_PARAM(albedoMap, sampler_albedoMap))
{
half4 albedo = BlendTexture(TEXTURE2D_ARGS(albedoMap, sampler_albedoMap), uv, blendUv) * color;
half4 colorAddSubDiff = half4(0, 0, 0, 0);
#if defined (_COLORADDSUBDIFF_ON)
colorAddSubDiff = _BaseColorAddSubDiff;
#endif
albedo = MixParticleColor(albedo, particleColor, colorAddSubDiff);
AlphaDiscard(albedo.a, _Cutoff);
#if defined(_SOFTPARTICLES_ON)
ALBEDO_MUL *= SoftParticles(SOFT_PARTICLE_NEAR_FADE, SOFT_PARTICLE_INV_FADE_DISTANCE, projectedPosition);
#endif
#if defined(_FADING_ON)
ALBEDO_MUL *= CameraFade(CAMERA_NEAR_FADE, CAMERA_INV_FADE_DISTANCE, projectedPosition);
#endif
return albedo;
}
half4 SampleSpecularSmoothness(float2 uv, float3 blendUv, half alpha, half4 specColor, TEXTURE2D_PARAM(specGlossMap, sampler_specGlossMap))
{
half4 specularGloss = half4(0.0h, 0.0h, 0.0h, 1.0h);
#ifdef _SPECGLOSSMAP
specularGloss = BlendTexture(TEXTURE2D_ARGS(specGlossMap, sampler_specGlossMap), uv, blendUv);
#elif defined(_SPECULAR_COLOR)
specularGloss = specColor;
#endif
#ifdef _GLOSSINESS_FROM_BASE_ALPHA
specularGloss.a = alpha;
#endif
specularGloss.a = exp2(10 * specularGloss.a + 1);
return specularGloss;
}
#endif // UNIVERSAL_PARTICLES_SIMPLE_LIT_INPUT_INCLUDED