Initial checkin

BeefySysLib/util/Vector.h

@@ -0,0 +1,97 @@
+#pragma once
+
+#include "Common.h"
+
+NS_BF_BEGIN;
+
+class Matrix4;
+class Quaternion;
+
+class TexCoords
+{
+public:
+	float mU;
+	float mV;
+
+public:
+	TexCoords()
+	{
+	}
+
+	TexCoords(float u, float v) : mU(u), mV(v)
+	{
+	}
+
+	static TexCoords FlipV(const TexCoords& texCoords)
+	{
+		return TexCoords(texCoords.mU, 1.0f - texCoords.mV);
+	}
+};
+
+class Vector3
+{
+public:
+	float mX;
+	float mY;
+	float mZ;
+
+public:
+	Vector3(float x = 0, float y = 0, float z = 0);
+
+	float GetMagnitude() const;
+	static Vector3 Normalize(const Vector3& vec);
+	static float Dot(const Vector3& vec1, const Vector3& vec2);
+	static Vector3 CrossProduct(const Vector3& vec1, const Vector3& vec2);
+	
+	bool operator==(const Vector3& check) const
+	{
+		return (mX == check.mX) && (mY == check.mY) && (mZ == check.mZ);			
+	}
+
+	bool operator!=(const Vector3& check) const
+	{
+		return (mX != check.mX) || (mY != check.mY) || (mZ != check.mZ);
+	}
+
+	static Vector3 Transform(const Vector3& vec, const Matrix4& matrix);
+	static Vector3 Transform(const Vector3& vec, const Quaternion& quat);
+	static Vector3 Transform2(const Vector3& vec, const Quaternion& quat);
+
+	static Vector3 Scale(const Vector3& vec, float scale)
+	{
+		return Vector3(vec.mX * scale, vec.mY * scale, vec.mZ * scale);
+	}
+
+	Vector3 operator +(const Vector3& v2) const
+	{
+		return Vector3(mX + v2.mX, mY + v2.mY, mZ + v2.mZ);
+	}
+
+	Vector3 operator *(const Vector3& v2) const
+	{
+		return Vector3(mX * v2.mX, mY * v2.mY, mZ * v2.mZ);
+	}
+
+	Vector3 operator *(float scale) const
+	{
+		return Vector3(mX * scale, mY * scale, mZ * scale);
+	}
+
+	inline Vector3& operator -= (const Vector3& vec)
+	{
+		mX -= vec.mX;
+		mY -= vec.mY;
+		mZ -= vec.mZ;
+		return *this;
+	}
+
+	inline Vector3& operator *= (const Vector3& vec)
+	{
+		mX *= vec.mX;
+		mY *= vec.mY;
+		mZ *= vec.mZ;
+		return *this;
+	}
+};
+
+NS_BF_END;