72 lines
2.3 KiB
Plaintext
72 lines
2.3 KiB
Plaintext
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//========================================================================
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// Copyright (c) 2017 PTC Inc. All Rights Reserved.
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//
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// Vuforia is a trademark of PTC Inc., registered in the United States and other
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// countries.
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//=========================================================================
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Shader "Custom/CameraDiffuse"
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{
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Properties
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{
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_MaterialColor ("Color", Color) = (1,1,1,1)
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}
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CGINCLUDE
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uniform float4 _MaterialColor;
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ENDCG
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SubShader
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{
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Pass
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{
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// indicate that our pass is the "base" pass in forward
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// rendering pipeline. It gets ambient and main directional
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// light data set up; light direction in _WorldSpaceLightPos0
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// and color in _LightColor0
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Tags {"LightMode"="ForwardBase"}
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Cull Off
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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" // for UnityObjectToWorldNormal
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#include "UnityLightingCommon.cginc" // for _LightColor0
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struct v2f
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{
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fixed4 diff : COLOR0; // diffuse lighting color
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float4 vertex : SV_POSITION;
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};
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v2f vert (appdata_base v)
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{
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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// get vertex normal in world space
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half3 worldNormal = UnityObjectToWorldNormal(v.normal);
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float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
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// compute world space view direction
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float3 worldViewDir = normalize(UnityWorldSpaceViewDir(worldPos));
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// dot product between normal and light direction for
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// standard diffuse (Lambert) lighting "(support double-sided material)"
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half nl = abs(dot(worldNormal, worldViewDir));
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// factor in the material color
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o.diff = lerp(_MaterialColor, nl * _MaterialColor, 0.2);
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return o;
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}
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fixed4 frag (v2f i) : SV_Target
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{
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return i.diff;
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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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