Assignment for RMIT Mixed Reality in 2020
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//======= Copyright (c) Valve Corporation, All rights reserved. ===============
//
// Purpose: Used for objects that can be seen through objects in front of them
//
//=============================================================================
// UNITY_SHADER_NO_UPGRADE
Shader "Valve/VR/SeeThru"
{
Properties
{
_Color( "Color", Color ) = ( 1, 1, 1, 1 )
}
SubShader
{
Tags{ "Queue" = "Geometry+1" "RenderType" = "Transparent" }
LOD 100
Pass
{
// Render State ---------------------------------------------------------------------------------------------------------------------------------------------
Blend SrcAlpha OneMinusSrcAlpha // Alpha blending
Cull Off
ZWrite Off
ZTest Greater
Stencil
{
Ref 2
Comp notequal
Pass replace
Fail keep
}
CGPROGRAM
#pragma target 5.0
#pragma only_renderers d3d11 vulkan
#pragma exclude_renderers gles
#pragma vertex MainVS
#pragma fragment MainPS
// Includes -------------------------------------------------------------------------------------------------------------------------------------------------
#include "UnityCG.cginc"
// Structs --------------------------------------------------------------------------------------------------------------------------------------------------
struct VertexInput
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct VertexOutput
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
// Globals --------------------------------------------------------------------------------------------------------------------------------------------------
sampler2D _MainTex;
float4 _MainTex_ST;
float4 _Color;
// MainVs ---------------------------------------------------------------------------------------------------------------------------------------------------
VertexOutput MainVS( VertexInput i )
{
VertexOutput o;
#if UNITY_VERSION >= 540
o.vertex = UnityObjectToClipPos(i.vertex);
#else
o.vertex = mul(UNITY_MATRIX_MVP, i.vertex);
#endif
o.uv = TRANSFORM_TEX( i.uv, _MainTex );
return o;
}
// MainPs ---------------------------------------------------------------------------------------------------------------------------------------------------
float4 MainPS( VertexOutput i ) : SV_Target
{
float4 vColor = _Color.rgba;
return vColor.rgba;
}
ENDCG
}
}
}