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//
// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
#ifndef SAMPLE_UTIL_VECTOR_H
#define SAMPLE_UTIL_VECTOR_H
struct Vector2
{
union
{
struct
{
float x, y;
};
float data[2];
};
Vector2();
Vector2(float x, float y);
static float length(const Vector2 &vec);
static float lengthSquared(const Vector2 &vec);
static Vector2 normalize(const Vector2 &vec);
};
struct Vector3
{
union
{
struct
{
float x, y, z;
};
float data[3];
};
Vector3();
Vector3(float x, float y, float z);
static float length(const Vector3 &vec);
static float lengthSquared(const Vector3 &vec);
static Vector3 normalize(const Vector3 &vec);
static float dot(const Vector3 &a, const Vector3 &b);
static Vector3 cross(const Vector3 &a, const Vector3 &b);
};
Vector3 operator*(const Vector3 &a, const Vector3 &b);
Vector3 operator*(const Vector3 &a, const float& b);
Vector3 operator/(const Vector3 &a, const Vector3 &b);
Vector3 operator/(const Vector3 &a, const float& b);
Vector3 operator+(const Vector3 &a, const Vector3 &b);
Vector3 operator-(const Vector3 &a, const Vector3 &b);
struct Vector4
{
union
{
struct
{
float x, y, z, w;
};
float data[4];
};
Vector4();
Vector4(float x, float y, float z, float w);
static float length(const Vector4 &vec);
static float lengthSquared(const Vector4 &vec);
static Vector4 normalize(const Vector4 &vec);
static float dot(const Vector4 &a, const Vector4 &b);
};
#endif // SAMPLE_UTIL_VECTOR_H