43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
// This is an incomplete port of http://glmatrix.net/
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//
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// Copyright (c) 2013 Brandon Jones, Colin MacKenzie IV
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the
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// use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not claim
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// that you wrote the original software. If you use this software in a
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// product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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#ifndef llmr_util_mat4_
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#define llmr_util_mat4_
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#ifdef __cplusplus
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extern "C" {
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#endif
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void mat4_identity(float out[16]);
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void mat4_ortho(float out[16], float left, float right, float bottom, float top, float near, float far);
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void mat4_copy(float out[16], float a[16]);
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void mat4_translate(float out[16], float a[16], float x, float y, float z);
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void mat4_rotate_z(float out[16], float a[16], float rad);
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void mat4_scale(float out[16], float a[16], float x, float y, float z);
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void mat4_multiply(float out[16], float a[16], float b[16]);
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#ifdef __cplusplus
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}
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#endif
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#endif
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