116 lines
3.5 KiB
Plaintext
116 lines
3.5 KiB
Plaintext
Shader "Hidden/Light2D-Shape"
|
|
{
|
|
Properties
|
|
{
|
|
[HideInInspector] _SrcBlend("__src", Float) = 1.0
|
|
[HideInInspector] _DstBlend("__dst", Float) = 0.0
|
|
}
|
|
|
|
SubShader
|
|
{
|
|
Tags { "Queue" = "Transparent" "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }
|
|
|
|
Pass
|
|
{
|
|
Blend[_SrcBlend][_DstBlend]
|
|
ZWrite Off
|
|
Cull Off
|
|
|
|
HLSLPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
#pragma multi_compile_local SPRITE_LIGHT __
|
|
#pragma multi_compile_local USE_NORMAL_MAP __
|
|
#pragma multi_compile_local USE_ADDITIVE_BLENDING __
|
|
|
|
#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;
|
|
float2 uv : TEXCOORD0;
|
|
};
|
|
|
|
struct Varyings
|
|
{
|
|
float4 positionCS : SV_POSITION;
|
|
half4 color : COLOR;
|
|
half2 uv : TEXCOORD0;
|
|
|
|
SHADOW_COORDS(TEXCOORD1)
|
|
NORMALS_LIGHTING_COORDS(TEXCOORD2, TEXCOORD3)
|
|
};
|
|
|
|
half _InverseHDREmulationScale;
|
|
half4 _LightColor;
|
|
half _FalloffDistance;
|
|
|
|
#ifdef SPRITE_LIGHT
|
|
TEXTURE2D(_CookieTex); // This can either be a sprite texture uv or a falloff texture
|
|
SAMPLER(sampler_CookieTex);
|
|
#else
|
|
half _FalloffIntensity;
|
|
TEXTURE2D(_FalloffLookup);
|
|
SAMPLER(sampler_FalloffLookup);
|
|
#endif
|
|
NORMALS_LIGHTING_VARIABLES
|
|
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 = attributes.color.a;
|
|
|
|
#ifdef SPRITE_LIGHT
|
|
o.uv = attributes.uv;
|
|
#else
|
|
o.uv = float2(o.color.a, _FalloffIntensity);
|
|
#endif
|
|
|
|
float4 worldSpacePos;
|
|
worldSpacePos.xyz = TransformObjectToWorld(positionOS);
|
|
worldSpacePos.w = 1;
|
|
TRANSFER_NORMALS_LIGHTING(o, worldSpacePos)
|
|
TRANSFER_SHADOWS(o)
|
|
|
|
return o;
|
|
}
|
|
|
|
half4 frag(Varyings i) : SV_Target
|
|
{
|
|
half4 color = i.color;
|
|
#if SPRITE_LIGHT
|
|
half4 cookie = SAMPLE_TEXTURE2D(_CookieTex, sampler_CookieTex, i.uv);
|
|
#if USE_ADDITIVE_BLENDING
|
|
|
|
color *= cookie * cookie.a;
|
|
#else
|
|
color *= cookie;
|
|
#endif
|
|
#else
|
|
#if USE_ADDITIVE_BLENDING
|
|
color *= SAMPLE_TEXTURE2D(_FalloffLookup, sampler_FalloffLookup, i.uv).r;
|
|
#else
|
|
color.a = SAMPLE_TEXTURE2D(_FalloffLookup, sampler_FalloffLookup, i.uv).r;
|
|
#endif
|
|
#endif
|
|
APPLY_NORMALS_LIGHTING(i, color);
|
|
APPLY_SHADOWS(i, color, _ShadowIntensity);
|
|
|
|
return color;
|
|
}
|
|
ENDHLSL
|
|
}
|
|
}
|
|
}
|