Andrew Seba Lab10

SpecularShader/Assets/Materials/Shaders/SpecularShader.shader

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+Shader "Custom/SpecShader" {
+	Properties {
+		_Color ("Color Tint", Color) = (1,1,1,1)
+		_SpecColour("Specular Color", Color) = (1,1,1,1)
+		_Shininess("Shininess", float) = 10
+	}
+	SubShader {
+		Pass{
+			CGPROGRAM
+			#pragma vertex vertexFunction
+			#pragma fragment fragmentFunction
+
+			//user defined variables
+			uniform float4 _Color;
+			uniform float4 _SpecColour;
+			uniform float _Shininess;
+			float3 lightDirection;
+			float attenuation = 1.0;
+
+			//Unity Defined Variables
+			uniform float4 _LightColor0;
+
+			//input struct
+			struct inputStruct{
+				float4 vertexPos : POSITION;
+				float3 vertexNormal : NORMAL;
+			};
+
+			//output struct
+			struct outputStruct{
+				float4 pixelPos: SV_POSITION;
+				float4 pixelCol : COLOR;
+
+				float3 normalDirection : TEXCOORD0;
+				float4 pixelWorldPos : TEXCOORD1;
+			};
+
+			//vertex function
+			outputStruct vertexFunction(inputStruct input){
+				outputStruct toReturn;
+
+				float3 normalDirection = normalize(mul(float4(input.vertexNormal, 0.0), _World2Object).xyz);
+				toReturn.normalDirection = normalDirection;
+				toReturn.pixelWorldPos = float4(_WorldSpaceCameraPos.xyz, 1.0);
+				toReturn.pixelPos = mul(UNITY_MATRIX_MVP, input.vertexPos);
+
+				return toReturn;
+			}
+
+			//fragment program
+			float4 fragmentFunction(outputStruct input) : COLOR {
+				lightDirection = normalize(_WorldSpaceLightPos0.xyz);
+				float3 viewDirection = normalize(float3(float4(_WorldSpaceCameraPos.xyz, 1.0) - mul(_Object2World, input.pixelPos).xyz));
+				float3 diffuseReflection = attenuation * _LightColor0.xyz * max(0.0, dot(input.normalDirection, lightDirection));
+				float3 specularReflection = reflect(-lightDirection, input.normalDirection);
+				specularReflection = dot(specularReflection, viewDirection);
+				specularReflection = pow(max(0.0, specularReflection), _Shininess);
+				specularReflection = max(0.0, dot(input.normalDirection, lightDirection)) * specularReflection;	
+				float3 finalLight = (specularReflection * _SpecColour) + diffuseReflection + UNITY_LIGHTMODEL_AMBIENT;
+				input.pixelCol = float4(finalLight * _Color, 1.0);
+				return input.pixelCol;
+			}
+
+			ENDCG
+		}
+	}
+	//Fallback
+	//FallBack "Diffuse"
+}

SpecularShader/ProjectSettings/ProjectVersion.txt

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+m_EditorVersion: 5.1.2f1
+m_StandardAssetsVersion: 0