67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/**
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@file
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@author Dane Johnson <dane@danejohnson.org>
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@section LICENSE
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Couch Copyright (C) 2021 Dane Johnson
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This program comes with ABSOLUTELY NO WARRANTY; without event the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for details at
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https://www.gnu.org/licenses/gpl-3.0.html
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This is free software, and you are welcome to redistribute it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3 of the License,
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or (at your option) any later version.
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@section DESCRIPTION
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A transform represents various aspects of 3d space.
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*/
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#ifndef TRANSFORM_H
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#define TRANSFORM_H
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#include "types.h"
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/**
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A Transform represents a position, rotation, and scale in 3D space.
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*/
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struct Transform {
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Transform();
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Transform(Vector3 position, Vector3 rotation);
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Transform(Vector3 position, Vector3 rotation, Vector3 scale);
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/**
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The position, according to the left-hand rule
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*/
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Vector3 position;
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/**
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The rotation, in Euler angles
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*/
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Vector3 rotation;
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/**
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Scaling along the specified axis
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*/
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Vector3 scale;
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/**
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Returns a vector that is -Z, rotated by @ref rotation.
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*/
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Vector3 Forward();
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/**
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Returns a vector that is +X, rotated by @ref rotation.
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*/
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Vector3 Right();
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/**
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Returns a vector that is +Y, rotated by @ref rotation.
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*/
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Vector3 Up();
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/**
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Returns a matrix that, when multiplied by a @ref Vector3
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gives a Vector rotated by @ref rotation
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*/
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Matrix RotationMatrix();
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};
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#endif /* TRANSFORM_H */
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