1、
Shader "Unlit/XRay"
{
Properties
{
_MainTex("Texture", 2D) = "white" {}
// 漫反射
_Diffuse("Diffuse", COLOR) = (1,1,1,1)
// XRay 效果
_XRayColor("XRay Color", COLOR) = (0,1,1,1)
_XRayPower("XRay Power", Range(0.00001,3)) = 0.001
}
SubShader
{
Tags { "Queue" = "Geometry+1000" "RenderType" = "Opaque" }
LOD 100
Pass
{
Stencil {
Ref 254
Comp Always
Pass Replace
ZFail Keep
}
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
#include "Lighting.cginc"
struct v2f
{
float4 vertex : SV_POSITION;
float2 uv : TEXCOORD0;
float3 worldNormal:TEXCOORD1;
float3 worldPos:TEXCOORD2;
};
sampler2D _MainTex;
float4 _MainTex_ST;
float4 _Diffuse;
float _Steps;
float _ToonLerpWeight;
float4 _RimColor;
float _RimPower;
v2f vert(appdata_base v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.worldNormal = UnityObjectToWorldNormal(v.normal);
o.worldPos = mul(unity_ObjectToWorld,v.vertex);
o.uv = TRANSFORM_TEX(v.texcoord,_MainTex);
return o;
}
fixed4 frag(v2f i) : SV_Target
{
// 环境光
float3 ambient = UNITY_LIGHTMODEL_AMBIENT;
// 贴图的本色
fixed3 albedo = tex2D(_MainTex, i.uv).rgb;
// 视野方向
float3 viewDir = normalize(UnityWorldSpaceViewDir(i.worldPos));
// 漫反射
fixed3 worldLightDir = UnityWorldSpaceLightDir(i.worldPos);
float halfLambert = dot(worldLightDir,i.worldNormal) * 0.5 + 0.5;
// 最终漫反射
fixed3 diffuse = _LightColor0.rgb * albedo * _Diffuse.rgb * halfLambert;
return fixed4(ambient + diffuse,1);
}
ENDCG
}
Pass{
Tags{"ForceNoShadowCasting" = "true"}
Name "XRay"
// 添加 混合效果 注意渲染顺序 Queue
Blend SrcAlpha one
// 关闭深度写入
ZWrite off
ZTest Greater // 表示大于的时候显示（目的显示墙后面的物体）
//使用Stencil进行过滤，该Shader的第一个Pass中我们向Stencil Buffer中写入一个值254，在Xray的pass中，如果stencil的值为254，则不再绘制效果
Stencil {
Ref 254
Comp NotEqual
Pass Keep
ZFail Keep
}
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
float4 _XRayColor;
float _XRayPower;
struct v2f {
float4 vertex :SV_POSITION;
//方法一，得到世界点，再到片元中计算视野方向
//float3 worldPos:TEXCOORD0;
//float3 worldNormal:TEXCOORD1;
//方法二，放在Object空间下计算
float3 viewDir:TEXCOORD0;
float3 normal:TEXCOORD1;
};
v2f vert(appdata_base v) {
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
// 方法一，得到世界点，再到片元中计算视野方向
//o.worldNormal = UnityObjectToWorldNormal(v.normal);
//o.worldPos = mul(unity_ObjectToWorld,v.vertex);
// 方法二，把视野方向在模型中就计算出来
//o.worldNormal = UnityObjectToWorldNormal(v.normal);
o.viewDir = ObjSpaceViewDir(v.vertex);
o.normal = v.normal;
return o;
}
float4 frag(v2f i) :SV_Target{
/// 通过视野方向和世界法线方向求得边沿（视野方向和世界法线方向 垂直为边缘）
// 方法一，得到世界点，再到片元中计算视野方向
//float3 worldNormal = normalize(i.worldNormal);
//float3 viewDir = normalize(UnityWorldSpaceViewDir(i.worldPos));
// 方法二，把视野方向在模型中就计算出来
float3 worldNormal = normalize(i.normal);
float3 viewDir = normalize(i.viewDir);
// 边缘
float rim = 1 - dot(worldNormal,viewDir); // 1- 让边沿为 1
return _XRayColor * pow(rim,1 / _XRayPower);
}
ENDCG
}
}
FallBack "Diffuse"
}2、
Shader "Unity/XRay"
{
Properties
{
_MainTex("Texture", 2D) = "white" {}
_Diffuse("Color",Color) = (1,1,1,1)
_XRayColor("XRayColor",Color) = (1,1,1,1)
_XRayPower("XRayPower",float) = 0
}
SubShader
{
Tags {"Queue" = "Geometry+1000" "RenderType" = "Opaque" }
LOD 100
//Xray效果
Pass
{
Name "Xray"
//忽略阴影，半透明物体不需要阴影，可开启此功能
Tags{ "ForceNoShadowCasting" = "true" }
//开启混合
Blend SrcAlpha One
//不进行任何颜色信息写入
ZWrite Off
//大于深度缓冲池中的颜色深度的片元才进行处理 其他的全部舍弃
ZTest Greater
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
#include "Lighting.cginc"
float4 _XRayColor;
float _XRayPower;
struct v2f
{
float4 vertex:SV_POSITION;
float3 normal:TEXCOORD0;
float3 viewDir:TEXCOORD1;
};
v2f vert(appdata_base v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.normal = v.normal;
o.viewDir = ObjSpaceViewDir(v.vertex);
return o;
};
fixed4 frag(v2f i) :SV_TARGET
{
float3 NormalDir = normalize(i.normal);
float3 ViewDir = normalize(i.viewDir);
float rim = 1 - saturate(dot(NormalDir,ViewDir));
float4 rimColor = _XRayColor * pow(rim,1 / _XRayPower);
return rimColor;
};
ENDCG
}
//正常的漫反射渲染
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
#include "Lighting.cginc"
sampler2D _MainTex;
float4 _MainTex_ST;
float3 _Diffuse;
struct v2f
{
float4 vertex:SV_POSITION;
float2 uv:TEXCOORD0;
float3 worldPos:TEXCOORD1;
float3 worldNormal:TEXCOORD2;
};
v2f vert(appdata_base v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = TRANSFORM_TEX(v.texcoord,_MainTex);
o.worldPos = mul(unity_ObjectToWorld,v.vertex);
o.worldNormal = UnityObjectToWorldNormal(v.normal);
return o;
};
fixed4 frag(v2f i) :SV_TARGET
{
float3 worldNormalDir = normalize(i.worldNormal);
float3 WorldLightDir = normalize(UnityWorldSpaceLightDir(i.worldNormal));
float3 texColor = tex2D(_MainTex,i.uv);
float3 ambient = UNITY_LIGHTMODEL_AMBIENT.rgb * texColor.rgb;
float3 diffuse = _LightColor0.rgb * _Diffuse.rgb * texColor.rgb * (dot(worldNormalDir,WorldLightDir) * 0.5 + 0.5);
float3 color = diffuse + ambient;
return fixed4(color,1);
};
ENDCG
}
}
Fallback "Diffuse"
}3、Highlight Plus - All in One Outline & Selection Effects
Highlight Plus - All in One Outline & Selection Effects | VFX Shaders | Unity Asset Store
