127 lines
2.8 KiB
Plaintext
127 lines
2.8 KiB
Plaintext
Shader "MY/Particles/AdditiveGlow"
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{
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Properties
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{
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_TintColor("Tint Color", Color) = (0.5,0.5,0.5,0.5)
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_MainTex("Particle Texture", 2D) = "white" {}
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_AtmoColor("Atmosphere Color", Color) = (0, 0.4, 1.0, 1)
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_Size("Size", Float) = 0.1
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_OutLightPow("Falloff",Float) = 5
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_OutLightStrength("Transparency", Float) = 15
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_Value("Value", float) = 2.0
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}
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Category
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{
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Tags { "Queue" = "Transparent" "IgnoreProjector" = "True"}
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ColorMask RGB
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Blend SrcAlpha One
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Cull Off
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Lighting Off
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ZWrite Off
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Fog { Mode Off }
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SubShader
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{
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma multi_compile_fog
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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half4 _MainTex_ST;
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fixed4 _TintColor;
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half _Value;
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struct appdata_t
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{
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half4 vertex : POSITION;
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fixed4 color : COLOR;
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half2 texcoord : TEXCOORD0;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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struct v2f
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{
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half4 vertex : POSITION;
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fixed4 color : COLOR;
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half2 texcoord : TEXCOORD0;
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UNITY_FOG_COORDS(1)
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UNITY_VERTEX_OUTPUT_STEREO
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};
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v2f vert(appdata_t v)
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{
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v2f o;
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.color = v.color;
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o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
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UNITY_TRANSFER_FOG(o,o.vertex);
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return o;
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}
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fixed4 frag(v2f i) : COLOR
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{
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fixed4 col = _Value * i.color * _TintColor * tex2D(_MainTex, i.texcoord);
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UNITY_APPLY_FOG_COLOR(i.fogCoord, col, fixed4(0,0,0,0));
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return col;
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}
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ENDCG
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}
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Pass
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{
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Name "AtmosphereBase"
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Tags{ "LightMode" = "Always" }
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Cull Front
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Blend SrcAlpha One
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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uniform fixed4 _Color;
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uniform fixed4 _AtmoColor;
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uniform half _Size;
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uniform half _OutLightPow;
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uniform half _OutLightStrength;
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struct vertexOutput
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{
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half4 pos:SV_POSITION;
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half3 normal:TEXCOORD0;
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half3 worldvertpos:TEXCOORD1;
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};
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vertexOutput vert(appdata_base v)
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{
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vertexOutput o;
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v.vertex.xyz += v.normal*_Size;
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o.pos = UnityObjectToClipPos(v.vertex);
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o.normal = v.normal;
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o.worldvertpos = mul(unity_ObjectToWorld, v.vertex);
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return o;
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}
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fixed4 frag(vertexOutput i) :COLOR
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{
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i.normal = normalize(i.normal);
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half3 viewdir = normalize(i.worldvertpos.xyz - _WorldSpaceCameraPos.xyz);
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fixed4 color = _AtmoColor;
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color.a = pow(saturate(dot(viewdir, i.normal)), _OutLightPow);
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color.a *= _OutLightStrength * dot(viewdir, i.normal);
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return color;
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}
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ENDCG
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}
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}
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}
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}
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