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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.
//
// Vector:
// Vector class for linear math.
//
#ifndef UTIL_VECTOR_H
#define UTIL_VECTOR_H
#include <ostream>
#include <export.h>
struct ANGLE_EXPORT Vector2
{
Vector2();
Vector2(float x, float y);
bool operator==(const Vector2 &vec) const;
bool operator!=(const Vector2 &vec) const;
static float length(const Vector2 &vec);
static float lengthSquared(const Vector2 &vec);
static Vector2 normalize(const Vector2 &vec);
float *data() { return &x; }
const float *data() const { return &x; }
float x, y;
};
ANGLE_EXPORT std::ostream &operator<<(std::ostream &stream, const Vector2 &vec);
struct ANGLE_EXPORT Vector3
{
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);
float *data() { return &x; }
const float *data() const { return &x; }
float x, y, z;
};
ANGLE_EXPORT Vector3 operator*(const Vector3 &a, const Vector3 &b);
ANGLE_EXPORT Vector3 operator*(const Vector3 &a, const float &b);
ANGLE_EXPORT Vector3 operator/(const Vector3 &a, const Vector3 &b);
ANGLE_EXPORT Vector3 operator/(const Vector3 &a, const float &b);
ANGLE_EXPORT Vector3 operator+(const Vector3 &a, const Vector3 &b);
ANGLE_EXPORT Vector3 operator-(const Vector3 &a, const Vector3 &b);
ANGLE_EXPORT bool operator==(const Vector3 &a, const Vector3 &b);
ANGLE_EXPORT bool operator!=(const Vector3 &a, const Vector3 &b);
struct ANGLE_EXPORT Vector4
{
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);
float *data() { return &x; }
const float *data() const { return &x; }
float x, y, z, w;
};
#endif // UTIL_VECTOR_H
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