下面我们开始今天的Unity3D游戏开发技能透明shader技能培训。 我们学习Unity3D培训目标:让U3D初学者可以更快速的掌握U3D技术,自行制作修改素材,可以独立完成2D、3D小规模游戏及网页游戏开发。
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- // Shader created with Shader Forge Beta 0.34
- // Shader Forge (c) Joachim Holmer - http://www.acegikmo.com/shaderforge/
- // Note: Manually altering this data may prevent you from opening it in Shader Forge
- /*SF_DATA;ver:0.34;sub:START;pass:START;ps:flbk:,lico:1,lgpr:1,nrmq:1,limd:1,uamb:True,mssp:True,lmpd:False,lprd:False,enco:False,frtr:True,vitr:True,dbil:False,rmgx:True,rpth:0,hqsc:True,hqlp:False,blpr:1,bsrc:3,bdst:7,culm:0,dpts:2,wrdp:False,ufog:True,aust:True,igpj:True,qofs:0,qpre:3,rntp:2,fgom:False,fgoc:False,fgod:False,fgor:False,fgmd:0,fgcr:0.5,fgcg:0.5,fgcb:0.5,fgca:1,fgde:0.01,fgrn:0,fgrf:300,ofsf:0,ofsu:0,f2p0:False;n:type:ShaderForge.SFN_Final,id:3,x:32038,y:32598|diff-227-RGB,alpha-226-OUT;n:type:ShaderForge.SFN_Fresnel,id:226,x:32459,y:32705;n:type:ShaderForge.SFN_Color,id:227,x:32398,y:32551,ptlb:Color,ptin:_Color,glob:False,c1:1,c2:1,c3:1,c4:1;proporder:227;pass:END;sub:END;*/
- Shader "Custom/Shader1" {
- Properties {
- _Color ("Color", Color) = (1,1,1,1)
- [HideInInspector]_Cutoff ("Alpha cutoff", Range(0,1)) = 0.5
- }
- SubShader {
- Tags {
- "IgnoreProjector"="True"
- "Queue"="Transparent"
- "RenderType"="Transparent"
- }
- LOD 200
- Pass {
- Name "ForwardBase"
- Tags {
- "LightMode"="ForwardBase"
- }
- Blend SrcAlpha OneMinusSrcAlpha
- ZWrite Off
- CGPROGRAM
- #pragma vertex vert
- #pragma fragment frag
- #define UNITY_PASS_FORWARDBASE
- #include "UnityCG.cginc"
- #pragma multi_compile_fwdbase
- #pragma exclude_renderers xbox360 ps3 flash d3d11_9x
- #pragma target 3.0
- uniform float4 _LightColor0;
- uniform float4 _Color;
- struct VertexInput {
- float4 vertex : POSITION;
- float3 normal : NORMAL;
- };
- struct VertexOutput {
- float4 pos : SV_POSITION;
- float4 posWorld : TEXCOORD0;
- float3 normalDir : TEXCOORD1;
- };
- VertexOutput vert (VertexInput v) {
- VertexOutput o;
- o.normalDir = mul(float4(v.normal,0), _World2Object).xyz;
- o.posWorld = mul(_Object2World, v.vertex);
- o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
- return o;
- }
- fixed4 frag(VertexOutput i) : COLOR {
- i.normalDir = normalize(i.normalDir);
- float3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
- /////// Normals:
- float3 normalDirection = i.normalDir;
- float3 lightDirection = normalize(_WorldSpaceLightPos0.xyz);
- ////// Lighting:
- float attenuation = 1;
- float3 attenColor = attenuation * _LightColor0.xyz;
- /////// Diffuse:
- float NdotL = dot( normalDirection, lightDirection );
- float3 diffuse = max( 0.0, NdotL) * attenColor + UNITY_LIGHTMODEL_AMBIENT.rgb;
- float3 finalColor = 0;
- float3 diffuseLight = diffuse;
- finalColor += diffuseLight * _Color.rgb;
- /// Final Color:
- return fixed4(finalColor,(1.0-max(0,dot(normalDirection, viewDirection))));
- }
- ENDCG
- }
- Pass {
- Name "ForwardAdd"
- Tags {
- "LightMode"="ForwardAdd"
- }
- Blend One One
- ZWrite Off
- Fog { Color (0,0,0,0) }
- CGPROGRAM
- #pragma vertex vert
- #pragma fragment frag
- #define UNITY_PASS_FORWARDADD
- #include "UnityCG.cginc"
- #include "AutoLight.cginc"
- #pragma multi_compile_fwdadd
- #pragma exclude_renderers xbox360 ps3 flash d3d11_9x
- #pragma target 3.0
- uniform float4 _LightColor0;
- uniform float4 _Color;
- struct VertexInput {
- float4 vertex : POSITION;
- float3 normal : NORMAL;
- };
- struct VertexOutput {
- float4 pos : SV_POSITION;
- float4 posWorld : TEXCOORD0;
- float3 normalDir : TEXCOORD1;
- LIGHTING_COORDS(2,3)
- };
- VertexOutput vert (VertexInput v) {
- VertexOutput o;
- o.normalDir = mul(float4(v.normal,0), _World2Object).xyz;
- o.posWorld = mul(_Object2World, v.vertex);
- o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
- TRANSFER_VERTEX_TO_FRAGMENT(o)
- return o;
- }
- fixed4 frag(VertexOutput i) : COLOR {
- i.normalDir = normalize(i.normalDir);
- float3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
- /////// Normals:
- float3 normalDirection = i.normalDir;
- float3 lightDirection = normalize(lerp(_WorldSpaceLightPos0.xyz, _WorldSpaceLightPos0.xyz - i.posWorld.xyz,_WorldSpaceLightPos0.w));
- ////// Lighting:
- float attenuation = LIGHT_ATTENUATION(i);
- float3 attenColor = attenuation * _LightColor0.xyz;
- /////// Diffuse:
- float NdotL = dot( normalDirection, lightDirection );
- float3 diffuse = max( 0.0, NdotL) * attenColor;
- float3 finalColor = 0;
- float3 diffuseLight = diffuse;
- finalColor += diffuseLight * _Color.rgb;
- /// Final Color:
- return fixed4(finalColor * (1.0-max(0,dot(normalDirection, viewDirection))),0);
- }
- ENDCG
- }
- }
- FallBack "Diffuse"
- CustomEditor "ShaderForgeMaterialInspector"
- }
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