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unity-shader-tutorial-effect

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Effect.shader

Effect.shader
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Shader "HHF/Tutorial/Effect"
{
	Properties
	{
		[Header(Render)]
		[Enum(UnityEngine.Rendering.BlendMode)]_SrcBlend("SrcBlend", Float) = 1.0
		[Enum(UnityEngine.Rendering.BlendMode)]_DstBlend("DstBlend", Float) = 0.0
		[Enum(UnityEngine.Rendering.CullMode)]_Cull("Cull Mode", Float) = 2
		[Enum(Off, 0, On, 1)]_ZWrite("ZWrite",int) = 0
		[Enum(UnityEngine.Rendering.CompareFunction)]_ZTest("ZTest",int) = 0

		[Header(Stencil)]
		_StencilRef("Ref", Float) = 1
		[Enum(UnityEngine.Rendering.CompareFunction)]_StencilComp("Comp", Float) = 0
		[Enum(UnityEngine.Rendering.StencilOp)]_StencilPass("Pass", Float) = 0
		[Enum(UnityEngine.Rendering.StencilOp)]_StencilFail("Fail", Float) = 0
		[Enum(UnityEngine.Rendering.StencilOp)]_StencilZFail("ZFail", Float) = 0
		
		[Header(Base)]
		_TintColor("Tint Color", Color) = (1, 1, 1, 1)
		_MainTex("MainTex", 2D) = "black" {}
		_Main_Speed_Intensity_Rotate("Speed(XY) Intensity(Z) Rotate(W)",vector) = (0,0,1,0)
		// [Toggle]_AlphaChannel("AlphaChannel", float) = 0
		// [HideInInspector]_Alpha("Alpha", Range(0, 1)) = 1		//程序做淡入淡出功能用
		[KeywordEnum(Repeat,Clamp)]_WarpMode("Warp Mode", int) = 0

		
		[Header(Mask)]
		[Toggle]_MaskToggle("Enabled", int) = 0
		_MaskTex("MaskTex(R)", 2D) = "white" {}
		_Mask_Speed("Speed(XY)",vector) = (0,0,0,0)
		
		[Header(Dissolve)]
		[Toggle]_DissolveToggle("Enabled", Float) = 0
		_DissolveTex("Dissolve(R)",2D) = "white"{}
		//[Toggle]_CutoffOverLifetimeEnabled("CutoffOverLifetimeEnabled", int) = 0
		_Cutoff("Dissolve (MaskTex.R)", Range(0, 1)) = 0.5

		[Header(Distortion)]
		[Toggle] _DistortionToggle("Enabled", Float) = 0
		_DistortionTex("DistortionTex(R)", 2D) = "white" {}
		_Distort_Speed("Speed(XY)",vector) = (0,0,0,0)
		_DistortionPower("Intensity",Range(0,1)) = 0.5
		
		[Header(Rim)]
		[Toggle]_RimToggle("Enabled", float) = 0
		[Toggle]_Invert("Invert", float) = 0
		_RimColor("Rim Color", Color) = (1, 0.65, 0, 1)
		_Rim_Scale_Power("Fade(X) Power(Y)",vector) = (1,1,0,0)

		// [KeywordEnum(None,Single,Mesh)]_AnimationUVType("Animation Type", int) = 0
		// [IntRange]_Tiles("Tiles",range(1,20)) = 8
	}
	
	SubShader
	{
		Tags {"Queue" = "Transparent" "RenderType" = "Transparent"}
		
		Blend[_SrcBlend][_DstBlend]
		Cull[_Cull]
		ZWrite [_ZWrite]
		Ztest [_ZTest]
		
		Stencil
		{
			Ref[_StencilRef]
			Comp[_StencilComp]
			Pass[_StencilPass]
			Fail[_StencilFail]
			ZFail[_StencilZFail]
		}
		
		Pass
		{
			CGPROGRAM
			#pragma multi_compile_instancing
			#pragma vertex vert
			#pragma fragment frag
			#include "UnityCG.cginc"
			#include "UnityUI.cginc"

			#pragma target 2.0
			#pragma multi_compile_fog
			#pragma skip_variants FOG_EXP FOG_EXP2	
			#pragma shader_feature _ _MASKTOGGLE_ON
			#pragma shader_feature _ _DISSOLVETOGGLE_ON
			#pragma shader_feature _ _DISTORTIONTOGGLE_ON
			#pragma shader_feature _ _RIMTOGGLE_ON

			// #pragma shader_feature _ _WARPMODE_REPEAT _WARPMODE_CLAMP
			// #pragma shader_feature _ _ANIMATIONUVTYPE_NONE _ANIMATIONUVTYPE_SINGLE _ANIMATIONUVTYPE_MESH
			// #pragma multi_compile _ UNITY_UI_CLIP_RECT
			
			fixed4 _TintColor;
			fixed _Alpha;
			fixed _AlphaChannel;
			sampler2D _MainTex; float4 _MainTex_ST;
			float4 _Main_Speed_Intensity_Rotate;
			fixed _WarpMode;

			#if _MASKTOGGLE_ON
				sampler2D _MaskTex;
				float4 _MaskTex_ST;
				float4 _Mask_Speed;
			#endif

			#if _DISTORTIONTOGGLE_ON
				sampler2D _DistortionTex;
				float4 _DistortionTex_ST;
				fixed _DistortionPower;
				float4 _Distort_Speed;
			#endif

			#if _DISSOLVETOGGLE_ON
				sampler2D _DissolveTex;
				float4 _DissolveTex_ST;
				fixed _Cutoff;
			#endif

			#if _RIMTOGGLE_ON
				fixed _Invert;
				fixed4 _RimColor;
				half4 _Rim_Scale_Power;
			#endif
			
			// float4 _ClipRect;
			// int _Tiles;

			struct appdata
			{
				float4 vertex : POSITION;
				fixed4 color : COLOR;
				float4 texcoord0 : TEXCOORD0;

				#if _MASKTOGGLE_ON
					float4 texcoord1 : TEXCOORD1;
				#endif

				#if _DISTORTIONTOGGLE_ON
					float4 texcoord2 :TEXCOORD2;
				#endif

				#if _RIMTOGGLE_ON
					half3 normal : NORMAL;
				#endif
			};
			
			struct v2f
			{
				float4 positionCS 	: SV_POSITION;
				fixed4 color 		: COLOR;
				float4 uv 			: TEXCOORD0;
				UNITY_FOG_COORDS(1)

				#if _MASKTOGGLE_ON
					float2 uv_mask : TEXCOORD2;
				#endif

				#if _DISSOLVETOGGLE_ON
					float2 uv_dissolve : TEXCOORD3;
				#endif

				#if _DISTORTIONTOGGLE_ON
					float2 uv_distortion : TEXCOORD4;
				#endif

				#if _RIMTOGGLE_ON
					half3 normalWS : TEXCOORD5;
					float3 positionWS : TEXCOORD6;
				#endif
			};
			
			v2f vert(appdata v)
			{
				v2f o = (v2f)0;

				o.positionCS = UnityObjectToClipPos(v.vertex);
				o.color = v.color;

				// o.uv.zw = v.texcoord0.xy;//originUV;
				o.uv.xy = TRANSFORM_TEX(v.texcoord0.xy, _MainTex) + _Main_Speed_Intensity_Rotate.xy * _Time.y;

				#if _MASKTOGGLE_ON
					o.uv_mask.xy = TRANSFORM_TEX(v.texcoord0.xy, _MaskTex) + _Mask_Speed.xy * _Time.y;
				#endif

				#if _DISSOLVETOGGLE_ON
					o.uv_dissolve.xy = TRANSFORM_TEX(v.texcoord0.xy, _DissolveTex);
				#endif

				#if _DISTORTIONTOGGLE_ON
					o.uv_distortion.xy += TRANSFORM_TEX(v.texcoord0.xy, _DistortionTex) + _Distort_Speed.xy * _Time.y;
				#endif

				#if _RIMTOGGLE_ON
					o.normalWS = UnityObjectToWorldNormal(v.normal);
					o.positionWS = mul(unity_ObjectToWorld,v.vertex);
				#endif

				// // UNITY_TRANSFER_FOG(o, o.vertex);
				// UNITY_TRANSFER_FOG_COMBINED_WITH_WORLD_POS(o, o.vertex);
				return o;
			}
			
			fixed4 frag(v2f i) : SV_Target
			{
				fixed4 c;
				// UNITY_EXTRACT_FOG_FROM_WORLD_POS(i);
				float2 uv = i.uv.xy;
				float2 uv_clamp = clamp(uv,0,0.99);
				float2 uv_repeat = frac(uv);
				uv = lerp(uv_repeat,uv_clamp,_WarpMode);

				//旋转UV
				float cosA = cos(_Main_Speed_Intensity_Rotate.w);
				float sinA = sin(_Main_Speed_Intensity_Rotate.w);
				float2x2 M_rotationZ = float2x2(
				cosA,sinA,
				-sinA,cosA);
				uv = mul(M_rotationZ,uv-0.5)+0.5;

				#if _DISTORTIONTOGGLE_ON
					fixed4 distortTex = tex2D(_DistortionTex, i.uv_distortion);
					uv = lerp(uv, distortTex, _DistortionPower);//A + alpha*(B-A)
				#endif

				// #if _WARPMODE_REPEAT
				// #elif _WARPMODE_CLAMP
				// 	uv = saturate(uv);
				// #endif


				fixed4 mainTex = tex2D(_MainTex, uv);
				c = mainTex * _TintColor * _Main_Speed_Intensity_Rotate.z * i.color;
				// fixed4 col = mainTex * i.color * _TintColor;
				// fixed alphaCommon = i.color.a*_TintColor.a*_Main_Speed_Intensity_Alpha.z*_Alpha;
				// fixed alphaChannel = alphaCommon*mainTex.a;
				// fixed notAlphaChannel = alphaCommon*mainTex.g;
				// // col.a = lerp(notAlphaChannel, alphaChannel, _AlphaChannel);
				// #if _MASKTOGGLE_ON
				// 	fixed4 maskTex = tex2D(_MaskTex, i.uv_mask.xy);
				// 	#if _DISSOLVETOGGLE_ON
				// 		fixed4 dissolveTex = tex2D(_DissolveTex,i.uv_dissolve);
				// 		return dissolveTex;
				// 		// 		float a = 0;
				// 		// 		a = 1.0 - _Cutoff;
				
				// 		// 		//#if _CUTOFFOVERLIFETIMEENABLED_ON
				// 		// 		//	a = i.color.a;
				// 		// 		//#endif
				
				// 		// 		float clipCol = (a * 1.2 - 0.6) + maskTex.r;
				// 		// 		clip(clipCol - 0.5);
				// 	#else
				// 		c *= maskTex.r;
				// 	#endif
				// #endif

				#if _MASKTOGGLE_ON
					fixed4 maskTex = tex2D(_MaskTex, i.uv_mask.xy);
					c *= maskTex.r;
				#endif

				#if _DISSOLVETOGGLE_ON
					fixed4 dissolveTex = tex2D(_DissolveTex,i.uv_dissolve);
					// fixed4 maskTex = tex2D(_MaskTex, i.uv_mask.xy);
					clip(dissolveTex.r-_Cutoff);
					// 		float a = 0;
					// 		a = 1.0 - _Cutoff;
					
					// 		//#if _CUTOFFOVERLIFETIMEENABLED_ON
					// 		//	a = i.color.a;
					// 		//#endif
					
					// 		float clipCol = (a * 1.2 - 0.6) + maskTex.r;
					// 		clip(clipCol - 0.5);
				#endif
				
				#if _RIMTOGGLE_ON
					half3 V = normalize(_WorldSpaceCameraPos.xyz - i.positionWS.xyz);
					half3 N = normalize(i.normalWS);
					fixed NdotV = saturate(dot(N,V));
					NdotV = lerp(1-NdotV,NdotV,_Invert);
					fixed3 fresnel = _Rim_Scale_Power.x * pow(NdotV, _Rim_Scale_Power.y) * _RimColor;
					c.rgb += fresnel;
				#endif
				
				// //雾效，统一改透明来实现Additive与AlphaBlend的消失
				// #if FOG_LINEAR
				// 	col.a = lerp (0, col.a, _unity_fogCoord);
				// #endif

				return c;
			}
			ENDCG
		}
	}

	FallBack Off
}