mirror of
https://github.com/bulletphysics/bullet3
synced 2024-12-17 06:51:05 +00:00
143 lines
3.7 KiB
C++
143 lines
3.7 KiB
C++
// Bullet Continuous Collision Detection and Physics Library
|
|
// Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
|
|
//
|
|
//
|
|
// VectorBase.h
|
|
//
|
|
// Copyright (c) 2006 Simon Hobbs
|
|
//
|
|
// This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
|
|
//
|
|
// Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
|
|
//
|
|
// 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
|
|
//
|
|
// 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
|
|
//
|
|
// 3. This notice may not be removed or altered from any source distribution.
|
|
#ifndef BULLET_VECTOR_BASE_H
|
|
#define BULLET_VECTOR_BASE_H
|
|
|
|
#include "Scalar.h"
|
|
#include "Memory2.h"
|
|
|
|
// vector constants
|
|
namespace Maths
|
|
{
|
|
static const enum ZeroTag { } Zero;
|
|
static const enum UnitXTag { } UnitX;
|
|
static const enum UnitYTag { } UnitY;
|
|
static const enum UnitZTag { } UnitZ;
|
|
static const enum UnitWTag { } UnitW;
|
|
static const enum UnitNegXTag { } UnitNegX;
|
|
static const enum UnitNegYTag { } UnitNegY;
|
|
static const enum UnitNegZTag { } UnitNegZ;
|
|
static const enum UnitNegWTag { } UnitNegW;
|
|
|
|
static const enum IdentityTag { } Identity;
|
|
static const enum RotateXTag { } RotateX;
|
|
static const enum RotateYTag { } RotateY;
|
|
static const enum RotateZTag { } RotateZ;
|
|
static const enum ScaleTag { } Scale;
|
|
static const enum SkewTag { } Skew;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Vector4Base
|
|
__declspec(align(16)) class Vector4Base
|
|
{
|
|
public:
|
|
BULLET_ALIGNED_NEW_AND_DELETE
|
|
|
|
__m128 base;
|
|
|
|
//protected:
|
|
// useful constants for internal use
|
|
struct Consts
|
|
{
|
|
static const unsigned int maskAbs;
|
|
static const unsigned int mask1110[4];
|
|
static const unsigned int mask0001[4];
|
|
|
|
static const __m128
|
|
kZero,
|
|
kHalf,
|
|
kThree,
|
|
|
|
k1000,
|
|
k0100,
|
|
k0010,
|
|
k0001,
|
|
|
|
kNeg1000,
|
|
kNeg0100,
|
|
kNeg0010,
|
|
kNeg0001,
|
|
|
|
kNeg111_1,
|
|
|
|
k1110,
|
|
kMaskAbs,
|
|
kMask1110,
|
|
kMask0001;
|
|
};
|
|
|
|
// can't construct a Vector4Base
|
|
Vector4Base();
|
|
|
|
// compound operations helpers for use by derived classes
|
|
void Set(const __m128& x, const __m128& y, const __m128& z, const __m128& w);
|
|
void Set(const __m128& xyz, const __m128& w);
|
|
|
|
static __m128 Dot3(const __m128& v0, const __m128& v1);
|
|
static __m128 Dot4(const __m128& v0, const __m128& v1);
|
|
|
|
static __m128 Sum3(const __m128& a);
|
|
static __m128 Sum4(const __m128& a);
|
|
|
|
static __m128 MinComp3(const __m128& a);
|
|
static __m128 MinComp4(const __m128& a);
|
|
|
|
static __m128 MaxComp3(const __m128& a);
|
|
static __m128 MaxComp4(const __m128& a);
|
|
|
|
public:
|
|
// element access
|
|
const float& operator[](int i) const;
|
|
float& operator[](int i);
|
|
|
|
// get/set elements
|
|
const Scalar GetX() const;
|
|
const Scalar GetY() const;
|
|
const Scalar GetZ() const;
|
|
const Scalar GetW() const;
|
|
const Scalar Get(int i) const;
|
|
|
|
void SetX(const Scalar& s);
|
|
void SetY(const Scalar& s);
|
|
void SetZ(const Scalar& s);
|
|
void SetW(const Scalar& s);
|
|
void Set(int i, const Scalar& s);
|
|
|
|
// unaligned load/store
|
|
void LoadUnaligned3(const float* p);
|
|
void LoadUnaligned4(const float* p);
|
|
|
|
void StoreUnaligned3(float* p) const;
|
|
void StoreUnaligned4(float* p) const;
|
|
};
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Vector2Base
|
|
class __declspec(align(8)) Vector2Base
|
|
{
|
|
public:
|
|
float x, y;
|
|
};
|
|
|
|
|
|
#include "VectorBase.inl"
|
|
|
|
#endif //BULLET_VECTOR_BASE_H
|