Added the shader file

Author: Jimmar

TransitionShader_WithTexture.shader

@@ -0,0 +1,83 @@
+//  Created by Jafar Abdulrasoul
+
+// Special thanks to Dan http://danjohnmoran.com
+
+
+Shader "Effects/TransitionShaderWithTexture"
+{
+	Properties
+	{
+		_MainTex ("Texture", 2D) = "white" {} //Main Texture, leave empty
+		_TranTex ("Transition Texture", 2D) = "black" {} //Transition texture. Leave blank if using color
+		_PatternTex ("Pattern Texture", 2d) = "white" {} //The pattern transition texture
+		_Cutoff("Progress", Range (0, 1)) = 0 //Cut off slider
+		_Color("Color", Color) = (0,0,0,0) //defaults to black
+		[MaterialToggle] _UseColor("Use Color", Float) = 0 //color or texture toggle
+	}
+	SubShader
+	{
+		// No culling or depth
+		Cull Off ZWrite Off ZTest Always
+
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			
+			#include "UnityCG.cginc"
+
+			struct appdata
+			{
+				float4 vertex : POSITION;
+				float2 uv : TEXCOORD0;
+			};
+
+			struct v2f
+			{
+				float2 uv : TEXCOORD0;
+				float2 uv1 : TEXCOORD1;
+				float4 vertex : SV_POSITION;
+			};
+
+			sampler2D _MainTex;
+			sampler2D _TranTex;
+			sampler2D _PatternTex;
+			float _Cutoff;
+			fixed4 _Color;
+			float _UseColor;
+
+			v2f vert (appdata v)
+			{
+				v2f o;
+				o.vertex = mul(UNITY_MATRIX_MVP, v.vertex);
+				o.uv = v.uv;
+				o.uv1 = v.uv;
+
+				//because shaders are complicated, this adjusts coordinates
+				#if UNITY_UV_STARTS_AT_TOP
+				if (_MainTex_TexelSize.y < 0)
+					o.uv1.y = 1 - o.uv1.y;
+				#endif
+
+				return o;
+			}
+			
+			fixed4 frag(v2f i) : SV_Target
+			{
+				fixed4 transit = tex2D(_PatternTex, i.uv);
+				//checks the blue attribute of the pattern and cuts off in respect to that
+				if(transit.b < _Cutoff){
+					// if _UseColor is enabled, use color instead
+					if(_UseColor > 0)
+						return _Color;
+					// _Use color is not enabled, use the _TranTex
+					return tex2D(_TranTex, i.uv);
+				}
+				// return the original texture aka don't do anything
+				return tex2D(_MainTex, i.uv);
+			}
+			ENDCG
+		}
+	}
+}