1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
// This is an incomplete port of http://glmatrix.net/
//
// Copyright (c) 2013 Brandon Jones, Colin MacKenzie IV
//
// 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 LLMR_UTIL_MAT4
#define LLMR_UTIL_MAT4
#include <array>
namespace llmr {
typedef std::array<float, 16> mat4;
namespace matrix {
void identity(mat4& out);
void ortho(mat4& out, float left, float right, float bottom, float top, float near, float far);
void copy(mat4& out, const mat4& a);
void translate(mat4& out, const mat4& a, float x, float y, float z);
void rotate_z(mat4& out, const mat4& a, float rad);
void scale(mat4& out, const mat4& a, float x, float y, float z);
void multiply(mat4& out, const mat4& a, const mat4& b);
}
}
#endif
|
