mirror of
https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git
synced 2024-11-10 10:41:52 +00:00
166 lines
7.5 KiB
C++
166 lines
7.5 KiB
C++
/*
|
|
* Copyright 2014 Google Inc. All rights reserved.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#ifndef MATHFU_CONSTANTS_H
|
|
#define MATHFU_CONSTANTS_H
|
|
|
|
#include "mathfu/matrix.h"
|
|
#include "mathfu/quaternion.h"
|
|
#include "mathfu/vector.h"
|
|
|
|
namespace mathfu {
|
|
|
|
/// @file mathfu/constants.h
|
|
/// @brief Vector constants for specific dimensions.
|
|
/// @addtogroup mathfu_constants
|
|
///
|
|
/// It is preferable to use these constants rather than constructing them
|
|
/// when they're required. Construction most-likely slower than loading them
|
|
/// from memory.
|
|
/// <p>
|
|
/// For example, the following:<br>
|
|
/// <code>
|
|
/// lookat = mat4::LookAt(target, position, mathfu::kAxisY3f);
|
|
/// </code>
|
|
/// <br>is preferable to:<br>
|
|
/// <code>
|
|
/// lookat = mat4::LookAt(target, position,
|
|
/// mathfu::Vector<float, 3>(0.0f, 1.0f, 0.0f));
|
|
/// </code>
|
|
/// <br> in terms of efficiency and in addition to resulting in more concise
|
|
/// code.
|
|
/// </p>
|
|
///
|
|
/// Depending on your linker's sophistication and settings, these constants may
|
|
/// be duplicated in every compilation unit in which they're used. However,
|
|
/// most linkers should be able to detect and eliminate this duplication.
|
|
|
|
/// @addtogroup mathfu_constants
|
|
/// @{
|
|
|
|
/// 2-dimensional <code>float</code> Vector of zeros.
|
|
static const Vector<float, 2> kZeros2f(0.0f, 0.0f);
|
|
/// 2-dimensional <code>float</code> Vector of ones.
|
|
static const Vector<float, 2> kOnes2f(1.0f, 1.0f);
|
|
/// 2-dimensional <code>float</code> unit Vector pointing along the X axis.
|
|
static const Vector<float, 2> kAxisX2f(1.0f, 0.0f);
|
|
/// 2-dimensional <code>float</code> unit Vector pointing along the Y axis.
|
|
static const Vector<float, 2> kAxisY2f(0.0f, 1.0f);
|
|
|
|
/// 3-dimensional <code>float</code> Vector of zeros.
|
|
static const Vector<float, 3> kZeros3f(0.0f, 0.0f, 0.0f);
|
|
/// 3-dimensional <code>float</code> Vector of ones.
|
|
static const Vector<float, 3> kOnes3f(1.0f, 1.0f, 1.0f);
|
|
/// 3-dimensional <code>float</code> unit Vector pointing along the X axis.
|
|
static const Vector<float, 3> kAxisX3f(1.0f, 0.0f, 0.0f);
|
|
/// 3-dimensional <code>float</code> unit Vector pointing along the Y axis.
|
|
static const Vector<float, 3> kAxisY3f(0.0f, 1.0f, 0.0f);
|
|
/// 3-dimensional <code>float</code> unit Vector pointing along the Z axis.
|
|
static const Vector<float, 3> kAxisZ3f(0.0f, 0.0f, 1.0f);
|
|
|
|
/// 4-dimensional <code>float</code> Vector of zeros.
|
|
static const Vector<float, 4> kZeros4f(0.0f, 0.0f, 0.0f, 0.0f);
|
|
/// 4-dimensional <code>float</code> Vector of ones.
|
|
static const Vector<float, 4> kOnes4f(1.0f, 1.0f, 1.0f, 1.0f);
|
|
/// 4-dimensional <code>float</code> unit Vector pointing along the X axis.
|
|
static const Vector<float, 4> kAxisX4f(1.0f, 0.0f, 0.0f, 0.0f);
|
|
/// 4-dimensional <code>float</code> unit Vector pointing along the Y axis.
|
|
static const Vector<float, 4> kAxisY4f(0.0f, 1.0f, 0.0f, 0.0f);
|
|
/// 4-dimensional <code>float</code> unit Vector pointing along the Z axis.
|
|
static const Vector<float, 4> kAxisZ4f(0.0f, 0.0f, 1.0f, 0.0f);
|
|
/// 4-dimensional <code>float</code> unit Vector pointing along the W axis.
|
|
static const Vector<float, 4> kAxisW4f(0.0f, 0.0f, 0.0f, 1.0f);
|
|
|
|
/// 2-dimensional <code>double</code> Vector of zeros.
|
|
static const Vector<double, 2> kZeros2d(0.0, 0.0);
|
|
/// 2-dimensional <code>double</code> Vector of ones.
|
|
static const Vector<double, 2> kOnes2d(1.0, 1.0);
|
|
/// 2-dimensional <code>double</code> unit Vector pointing along the X axis.
|
|
static const Vector<double, 2> kAxisX2d(1.0, 0.0);
|
|
/// 2-dimensional <code>double</code> unit Vector pointing along the Y axis.
|
|
static const Vector<double, 2> kAxisY2d(0.0, 1.0);
|
|
|
|
/// 3-dimensional <code>double</code> Vector of zeros.
|
|
static const Vector<double, 3> kZeros3d(0.0, 0.0, 0.0);
|
|
/// 3-dimensional <code>double</code> Vector of ones.
|
|
static const Vector<double, 3> kOnes3d(1.0, 1.0, 1.0);
|
|
/// 3-dimensional <code>double</code> unit Vector pointing along the X axis.
|
|
static const Vector<double, 3> kAxisX3d(1.0, 0.0, 0.0);
|
|
/// 3-dimensional <code>double</code> unit Vector pointing along the Y axis.
|
|
static const Vector<double, 3> kAxisY3d(0.0, 1.0, 0.0);
|
|
/// 3-dimensional <code>double</code> unit Vector pointing along the Z axis.
|
|
static const Vector<double, 3> kAxisZ3d(0.0, 0.0, 1.0);
|
|
|
|
/// 4-dimensional <code>double</code> Vector of zeros.
|
|
static const Vector<double, 4> kZeros4d(0.0, 0.0, 0.0, 0.0);
|
|
/// 4-dimensional <code>double</code> Vector of ones.
|
|
static const Vector<double, 4> kOnes4d(1.0, 1.0, 1.0, 1.0);
|
|
/// 4-dimensional <code>double</code> unit Vector pointing along the X axis.
|
|
static const Vector<double, 4> kAxisX4d(1.0, 0.0, 0.0, 0.0);
|
|
/// 4-dimensional <code>double</code> unit Vector pointing along the Y axis.
|
|
static const Vector<double, 4> kAxisY4d(0.0, 1.0, 0.0, 0.0);
|
|
/// 4-dimensional <code>double</code> unit Vector pointing along the Z axis.
|
|
static const Vector<double, 4> kAxisZ4d(0.0, 0.0, 1.0, 0.0);
|
|
/// 4-dimensional <code>double</code> unit Vector pointing along the W axis.
|
|
static const Vector<double, 4> kAxisW4d(0.0, 0.0, 0.0, 1.0);
|
|
|
|
/// 2-dimensional <code>int</code> Vector of zeros.
|
|
static const Vector<int, 2> kOnes2i(1, 1);
|
|
/// 2-dimensional <code>int</code> Vector of ones.
|
|
static const Vector<int, 2> kZeros2i(0, 0);
|
|
/// 2-dimensional <code>int</code> unit Vector pointing along the X axis.
|
|
static const Vector<int, 2> kAxisX2i(1, 0);
|
|
/// 2-dimensional <code>int</code> unit Vector pointing along the Y axis.
|
|
static const Vector<int, 2> kAxisY2i(0, 1);
|
|
|
|
/// 3-dimensional <code>int</code> Vector of zeros.
|
|
static const Vector<int, 3> kZeros3i(0, 0, 0);
|
|
/// 3-dimensional <code>int</code> Vector of ones.
|
|
static const Vector<int, 3> kOnes3i(1, 1, 1);
|
|
/// 3-dimensional <code>int</code> unit Vector pointing along the X axis.
|
|
static const Vector<int, 3> kAxisX3i(1, 0, 0);
|
|
/// 3-dimensional <code>int</code> unit Vector pointing along the Y axis.
|
|
static const Vector<int, 3> kAxisY3i(0, 1, 0);
|
|
/// 3-dimensional <code>int</code> unit Vector pointing along the Z axis.
|
|
static const Vector<int, 3> kAxisZ3i(0, 0, 1);
|
|
|
|
/// 4-dimensional <code>int</code> Vector of zeros.
|
|
static const Vector<int, 4> kZeros4i(0, 0, 0, 0);
|
|
/// 4-dimensional <code>int</code> Vector of ones.
|
|
static const Vector<int, 4> kOnes4i(1, 1, 1 ,1);
|
|
/// 4-dimensional <code>int</code> unit Vector pointing along the X axis.
|
|
static const Vector<int, 4> kAxisX4i(1, 0, 0, 0);
|
|
/// 4-dimensional <code>int</code> unit Vector pointing along the Z axis.
|
|
static const Vector<int, 4> kAxisY4i(0, 1, 0, 0);
|
|
/// 4-dimensional <code>int</code> unit Vector pointing along the Y axis.
|
|
static const Vector<int, 4> kAxisZ4i(0, 0, 1, 0);
|
|
/// 4-dimensional <code>int</code> unit Vector pointing along the W axis.
|
|
static const Vector<int, 4> kAxisW4i(0, 0, 0, 1);
|
|
|
|
/// Quaternion Identity
|
|
static const Quaternion<float> kQuatIdentityf(1.0f, 0.0f, 0.0f, 0.0f);
|
|
/// Quaternion Identity
|
|
static const Quaternion<double> kQuatIdentityd(1.0, 0.0, 0.0, 0.0);
|
|
|
|
// An AffineTransform versoin of the mat4 Identity matrix.
|
|
static const AffineTransform kAffineIdentity(1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
|
|
0.0f, 0.0f, 0.0f, 0.0f, 1.0f,
|
|
0.0f);
|
|
/// @}
|
|
|
|
} // namespace mathfu
|
|
|
|
#endif // MATHFU_CONSTANTS_H
|