2D-Platformer/Assets/Plugins/Light2D/Resources/Shaders/LightIgnoreObstacles.shader
2022-02-12 12:53:50 +02:00

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// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
/*
This is simplest and fastest light shader without path tracking.
It's works like "Light 1 Point", but ignores obstacles at all.
It requires no aditional data to work so it could be used with Particle System.
*/
Shader "Light2D/Light Ignoring Obstacles" {
Properties {
_MainTex ("Light texture", 2D) = "white" {}
_EmissionColorMul ("Emission color mul", Float) = 1
}
SubShader {
Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
LOD 100
Blend OneMinusDstColor One
Cull Off
ZWrite Off
Lighting Off
Pass {
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma multi_compile ORTHOGRAPHIC_CAMERA PERSPECTIVE_CAMERA
#include "UnityCG.cginc"
struct appdata_t {
float4 vertex : POSITION;
float2 texcoord : TEXCOORD0;
fixed4 color : COLOR;
};
struct v2f {
float4 vertex : SV_POSITION;
half2 texcoord : TEXCOORD0;
fixed4 color : COLOR;
float4 scrPos : TEXCOORD2;
};
sampler2D _ObstacleTex;
sampler2D _MainTex;
half _EmissionColorMul;
v2f vert (appdata_t v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.texcoord = v.texcoord;
o.scrPos = ComputeScreenPos(o.vertex);
o.color = v.color;
return o;
}
fixed4 frag (v2f i) : COLOR
{
fixed4 tex = tex2D(_MainTex, i.texcoord);
fixed4 col = i.color*tex*tex.a*i.color.a;
col.rgb *= _EmissionColorMul;
return col;
}
ENDCG
}
}
}