96 lines
2.7 KiB
Plaintext
96 lines
2.7 KiB
Plaintext
|
Shader "Hidden/Light2D-Shape-Volumetric"
|
||
|
|
{
|
||
|
|
SubShader
|
||
|
|
{
|
||
|
|
Tags { "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }
|
||
|
|
|
||
|
|
Pass
|
||
|
|
{
|
||
|
|
Blend SrcAlpha One
|
||
|
|
ZWrite Off
|
||
|
|
ZTest Off
|
||
|
|
Cull Off
|
||
|
|
|
||
|
|
HLSLPROGRAM
|
||
|
|
#pragma vertex vert
|
||
|
|
#pragma fragment frag
|
||
|
|
#pragma multi_compile_local SPRITE_LIGHT __
|
||
|
|
|
||
|
|
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
|
||
|
|
#include "Packages/com.unity.render-pipelines.universal/Shaders/2D/Include/LightingUtility.hlsl"
|
||
|
|
|
||
|
|
struct Attributes
|
||
|
|
{
|
||
|
|
float3 positionOS : POSITION;
|
||
|
|
float4 color : COLOR;
|
||
|
|
half2 uv : TEXCOORD0;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct Varyings
|
||
|
|
{
|
||
|
|
float4 positionCS : SV_POSITION;
|
||
|
|
half4 color : COLOR;
|
||
|
|
half2 uv : TEXCOORD0;
|
||
|
|
|
||
|
|
SHADOW_COORDS(TEXCOORD1)
|
||
|
|
};
|
||
|
|
|
||
|
|
half4 _LightColor;
|
||
|
|
half _FalloffDistance;
|
||
|
|
half _VolumeOpacity;
|
||
|
|
half _InverseHDREmulationScale;
|
||
|
|
|
||
|
|
#ifdef SPRITE_LIGHT
|
||
|
|
TEXTURE2D(_CookieTex); // This can either be a sprite texture uv or a falloff texture
|
||
|
|
SAMPLER(sampler_CookieTex);
|
||
|
|
#else
|
||
|
|
uniform half _FalloffIntensity;
|
||
|
|
TEXTURE2D(_FalloffLookup);
|
||
|
|
SAMPLER(sampler_FalloffLookup);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
SHADOW_VARIABLES
|
||
|
|
|
||
|
|
Varyings vert(Attributes attributes)
|
||
|
|
{
|
||
|
|
Varyings o = (Varyings)0;
|
||
|
|
|
||
|
|
float3 positionOS = attributes.positionOS;
|
||
|
|
|
||
|
|
positionOS.x = positionOS.x + _FalloffDistance * attributes.color.r;
|
||
|
|
positionOS.y = positionOS.y + _FalloffDistance * attributes.color.g;
|
||
|
|
|
||
|
|
o.positionCS = TransformObjectToHClip(positionOS);
|
||
|
|
o.color = _LightColor * _InverseHDREmulationScale;
|
||
|
|
o.color.a = _LightColor.a * _VolumeOpacity;
|
||
|
|
|
||
|
|
#ifdef SPRITE_LIGHT
|
||
|
|
o.uv = attributes.uv;
|
||
|
|
#else
|
||
|
|
o.uv = float2(attributes.color.a, _FalloffIntensity);
|
||
|
|
#endif
|
||
|
|
TRANSFER_SHADOWS(o)
|
||
|
|
|
||
|
|
return o;
|
||
|
|
}
|
||
|
|
|
||
|
|
half4 frag(Varyings i) : SV_Target
|
||
|
|
{
|
||
|
|
half4 color = i.color;
|
||
|
|
|
||
|
|
#if SPRITE_LIGHT
|
||
|
|
color *= SAMPLE_TEXTURE2D(_CookieTex, sampler_CookieTex, i.uv);
|
||
|
|
#else
|
||
|
|
color.a = i.color.a * SAMPLE_TEXTURE2D(_FalloffLookup, sampler_FalloffLookup, i.uv).r;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
APPLY_SHADOWS(i, color, _ShadowVolumeIntensity);
|
||
|
|
|
||
|
|
return color;
|
||
|
|
|
||
|
|
}
|
||
|
|
ENDHLSL
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|