このビデオは基本をカバーしていますか?これは、すでに公開されているシェーダーからアウトラインとシルエットのいくつかの異なるスタイルを作成することの例です。
https://www.youtube.com/watch?v=00qMZlacZQo
これは、Unity Wikiで公開されているシェーダーを使用して、目的のことをほとんど実行する例です。シェーダーの内容は以下のとおりですが、シェーダーの輪郭部分がU5で期待どおりに機能していない可能性があると思います。
Shader "Outlined/Silhouetted Diffuse" {
Properties {
_Color ("Main Color", Color) = (.5,.5,.5,1)
_OutlineColor ("Outline Color", Color) = (0,0,0,1)
_Outline ("Outline width", Range (0.0, 0.03)) = .005
_MainTex ("Base (RGB)", 2D) = "white" { }
}
CGINCLUDE
#include "UnityCG.cginc"
struct appdata {
float4 vertex : POSITION;
float3 normal : NORMAL;
};
struct v2f {
float4 pos : POSITION;
float4 color : COLOR;
};
uniform float _Outline;
uniform float4 _OutlineColor;
v2f vert(appdata v) {
// just make a copy of incoming vertex data but scaled according to normal direction
v2f o;
o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
float3 norm = mul ((float3x3)UNITY_MATRIX_IT_MV, v.normal);
float2 offset = TransformViewToProjection(norm.xy);
o.pos.xy += offset * o.pos.z * _Outline;
o.color = _OutlineColor;
return o;
}
ENDCG
SubShader {
Tags { "Queue" = "Transparent" }
// note that a vertex shader is specified here but its using the one above
Pass {
Name "OUTLINE"
Tags { "LightMode" = "Always" }
Cull Off
ZWrite Off
ZTest Always
ColorMask RGB // alpha not used
// you can choose what kind of blending mode you want for the outline
Blend SrcAlpha OneMinusSrcAlpha // Normal
//Blend One One // Additive
//Blend One OneMinusDstColor // Soft Additive
//Blend DstColor Zero // Multiplicative
//Blend DstColor SrcColor // 2x Multiplicative
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
half4 frag(v2f i) :COLOR {
return i.color;
}
ENDCG
}
Pass {
Name "BASE"
ZWrite On
ZTest LEqual
Blend SrcAlpha OneMinusSrcAlpha
Material {
Diffuse [_Color]
Ambient [_Color]
}
Lighting On
SetTexture [_MainTex] {
ConstantColor [_Color]
Combine texture * constant
}
SetTexture [_MainTex] {
Combine previous * primary DOUBLE
}
}
}
SubShader {
Tags { "Queue" = "Transparent" }
Pass {
Name "OUTLINE"
Tags { "LightMode" = "Always" }
Cull Front
ZWrite Off
ZTest Always
ColorMask RGB
// you can choose what kind of blending mode you want for the outline
Blend SrcAlpha OneMinusSrcAlpha // Normal
//Blend One One // Additive
//Blend One OneMinusDstColor // Soft Additive
//Blend DstColor Zero // Multiplicative
//Blend DstColor SrcColor // 2x Multiplicative
CGPROGRAM
#pragma vertex vert
#pragma exclude_renderers gles xbox360 ps3
ENDCG
SetTexture [_MainTex] { combine primary }
}
Pass {
Name "BASE"
ZWrite On
ZTest LEqual
Blend SrcAlpha OneMinusSrcAlpha
Material {
Diffuse [_Color]
Ambient [_Color]
}
Lighting On
SetTexture [_MainTex] {
ConstantColor [_Color]
Combine texture * constant
}
SetTexture [_MainTex] {
Combine previous * primary DOUBLE
}
}
}
Fallback "Diffuse"
}