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A mobile VR and MSAA friendly single object highlight shader using the stencil buffer
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Shader "Mobile VR Highlight" { | |
Properties { | |
_ColorOutline ("Outline", Color) = (1,1,1,1) | |
_ColorInterior ("Interior", Color) = (0.25,0.25,0.25,0.25) | |
_ColorInteriorFaded ("Interior Faded", Color) = (0.1,0.1,0.1,0.1) | |
_ColorInteriorOcc ("Interior Occluded", Color) = (0.15,0.15,0.15,0.15) | |
_ColorInteriorOccFaded ("Interior Occluded Faded", Color) = (0.05,0.05,0.05,0.05) | |
_PulseRateMod ("Pulse Rate Modifier", Float) = 4.0 | |
_OutlneWidth ("Outline Pixel Width", Float) = 1.0 | |
} | |
Subshader { | |
Tags{ "Queue" = "Overlay" "IgnoreProjector" = "True" "RenderType" = "Transparent" } | |
ZWrite off | |
ZTest Always | |
Blend SrcAlpha OneMinusSrcAlpha | |
Offset -0.5, 0 | |
Stencil { | |
ReadMask 2 | |
WriteMask 2 | |
Ref 2 | |
Comp NotEqual | |
Pass Replace | |
} | |
CGINCLUDE | |
#include "UnityCG.cginc" | |
struct v2f | |
{ | |
float4 pos : SV_POSITION; | |
UNITY_VERTEX_OUTPUT_STEREO | |
}; | |
v2f vertDefault (appdata_base v) | |
{ | |
v2f o; | |
UNITY_SETUP_INSTANCE_ID(v); | |
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o); | |
o.pos = UnityObjectToClipPos(v.vertex); | |
return o; | |
} | |
float _OutlneWidth; | |
v2f vertOutline (appdata_base v, float2 offsetDir) | |
{ | |
v2f o; | |
UNITY_SETUP_INSTANCE_ID(v); | |
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o); | |
o.pos = UnityObjectToClipPos(v.vertex); | |
o.pos.xy += (offsetDir * 2.0) / _ScreenParams.xy * o.pos.w * _OutlneWidth; | |
return o; | |
} | |
float _PulseRateMod; | |
fixed4 pulse(fixed4 a, fixed4 b) { return lerp(a, b, saturate(sin(_Time.y * _PulseRateMod) * 0.5 + 0.5)); } | |
fixed4 _ColorOutline; | |
fixed4 fragOutline (v2f i) : SV_Target | |
{ | |
return _ColorOutline; | |
} | |
ENDCG | |
Pass { | |
Name "Unoccluded Fill" | |
ZTest LEqual | |
CGPROGRAM | |
#pragma vertex vertDefault | |
#pragma fragment frag | |
#pragma multi_compile_instancing | |
fixed4 _ColorInterior, _ColorInteriorFaded; | |
fixed4 frag (v2f i) : SV_Target | |
{ | |
return pulse(_ColorInterior, _ColorInteriorFaded); | |
} | |
ENDCG | |
} | |
Pass { | |
Name "Occluded Fill" | |
CGPROGRAM | |
#pragma vertex vertDefault | |
#pragma fragment frag | |
#pragma multi_compile_instancing | |
fixed4 _ColorInteriorOcc, _ColorInteriorOccFaded; | |
fixed4 frag (v2f i) : SV_Target | |
{ | |
return pulse(_ColorInteriorOcc, _ColorInteriorOccFaded); | |
} | |
ENDCG | |
} | |
Pass { | |
Name "Outline UR" | |
CGPROGRAM | |
#pragma vertex vert | |
#pragma fragment fragOutline | |
#pragma multi_compile_instancing | |
v2f vert(appdata_base v) | |
{ | |
return vertOutline(v, float2( 1, 1)); | |
} | |
ENDCG | |
} | |
Pass { | |
Name "Outline UL" | |
CGPROGRAM | |
#pragma vertex vert | |
#pragma fragment fragOutline | |
#pragma multi_compile_instancing | |
v2f vert(appdata_base v) | |
{ | |
return vertOutline(v, float2(-1, 1)); | |
} | |
ENDCG | |
} | |
Pass { | |
Name "Outline DR" | |
CGPROGRAM | |
#pragma vertex vert | |
#pragma fragment fragOutline | |
#pragma multi_compile_instancing | |
v2f vert(appdata_base v) | |
{ | |
return vertOutline(v, float2( 1,-1)); | |
} | |
ENDCG | |
} | |
Pass { | |
Name "Outline DL" | |
CGPROGRAM | |
#pragma vertex vert | |
#pragma fragment fragOutline | |
#pragma multi_compile_instancing | |
v2f vert(appdata_base v) | |
{ | |
return vertOutline(v, float2(-1,-1)); | |
} | |
ENDCG | |
} | |
} | |
} |
I generally go with Unlicense, or WTF License, or MIT if you need something more formal.
Thank you!
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Hi there! I'd love to use this for a project. Do you have a particular license for it?