Added follow cam

Added "Controlled" mesh classes
Added Global Lighting Class
Added Gamepad controls
Split terrain nodes into Height and Perlin classes
Fixed Splitmesh node stuff

Graphics2/SharedMethods.h

@@ -1,5 +1,5 @@
 #pragma once
-#include "DirectXFramework.h"
+#include "DirectXCore.h"
 
 struct CBUFFER
 {
@@ -16,33 +16,45 @@ struct CBUFFER
 	float       padding[2];
 };
 
-struct TCBUFFER
-{
-	XMMATRIX    completeTransformation;
-	XMMATRIX	worldTransformation;
-	XMFLOAT4	cameraPosition;
-	XMVECTOR    lightVector;
-	XMFLOAT4    lightColor;
-	XMFLOAT4    ambientColor;
-	XMFLOAT4    diffuseCoefficient;
-	XMFLOAT4	specularCoefficient;
-	float		shininess;
-	float		opacity;
-	float waterHeight;
-	float waterShininess;
-	XMFLOAT4 waterColor;
-	float padding[4];
-};
-
 namespace SharedMethods
 {
-	XMMATRIX RotateFromPoint(float x, float y, float z, XMMATRIX rotationMatrix);
+	XMMATRIX RotateFromPoint(const float x, const float y, const float z, const XMMATRIX rotationMatrix);
 
-	float RGBValueToIntensity(int value);
-	float Lerp(int a, int b, int p);
-	float Lerp(float a, float b, float p);
+	float RGBValueToIntensity(const int value);
+	
+	template <typename T = float> T Clamp(const T value, const T min, const T max)
+	{
+		if (value < min)
+		{
+			return min;
+		}
+		else if (value > max)
+		{
+			return max;
+		}
+		else
+		{
+			return value;
+		}		
+	}
 
-	float GenerateRandomIntensity(float min, float max);
-	float GenerateRandomUV(int min, int max);
+	// Methods for lerping values
+	template <typename T = float> float Lerp(const T a, const T b, const float p)
+	{
+		return (float)a + p * ((float)b - (float)a);
+	}
+
+	template <typename T = float> float CubicInterpolate(const T n0, const T n1, const T n2, const T n3, const float a)
+	{
+		float p = ((float)n3 - (float)n2) - ((float)n0 - (float)n1);
+		float q = ((float)n0 - (float)n1) - p;
+		float r = (float)n2 - (float)n0;
+		float s = (float)n1;
+
+		return p * a * a * a + q * a * a + r * a + s;
+	}
+
+	float GenerateRandomIntensity(const float min, const float max);
+	float GenerateRandomUV(const float min, const float max);
 };