0d68c4fedf
port pointCoordinate from -js to convert screen points to tile coordinates correctly in perspective view.
49 lines
1.7 KiB
C++
49 lines
1.7 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 MBGL_UTIL_MAT4
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#define MBGL_UTIL_MAT4
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#include <array>
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namespace mbgl {
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typedef std::array<double, 16> mat4;
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namespace matrix {
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void identity(mat4& out);
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bool invert(mat4& out, mat4& a);
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void ortho(mat4& out, double left, double right, double bottom, double top, double near, double far);
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void perspective(mat4& out, double fovy, double aspect, double near, double far);
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void copy(mat4& out, const mat4& a);
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void translate(mat4& out, const mat4& a, double x, double y, double z);
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void rotate_x(mat4& out, const mat4& a, double rad);
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void rotate_z(mat4& out, const mat4& a, double rad);
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void scale(mat4& out, const mat4& a, double x, double y, double z);
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void multiply(mat4& out, const mat4& a, const mat4& b);
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}
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}
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#endif
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