Documentation of SFML 2.5.1

Transformable.hpp
1 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2018 Laurent Gomila (laurent@sfml-dev.org)
5 //
6 // This software is provided 'as-is', without any express or implied warranty.
7 // In no event will the authors be held liable for any damages arising from the use of this software.
8 //
9 // Permission is granted to anyone to use this software for any purpose,
10 // including commercial applications, and to alter it and redistribute it freely,
11 // subject to the following restrictions:
12 //
13 // 1. The origin of this software must not be misrepresented;
14 // you must not claim that you wrote the original software.
15 // If you use this software in a product, an acknowledgment
16 // in the product documentation would be appreciated but is not required.
17 //
18 // 2. Altered source versions must be plainly marked as such,
19 // and must not be misrepresented as being the original software.
20 //
21 // 3. This notice may not be removed or altered from any source distribution.
22 //
24 
25 #ifndef SFML_TRANSFORMABLE_HPP
26 #define SFML_TRANSFORMABLE_HPP
27 
29 // Headers
31 #include <SFML/Graphics/Export.hpp>
32 #include <SFML/Graphics/Transform.hpp>
33 
34 
35 namespace sf
36 {
41 class SFML_GRAPHICS_API Transformable
42 {
43 public:
44 
49  Transformable();
50 
55  virtual ~Transformable();
56 
70  void setPosition(float x, float y);
71 
84  void setPosition(const Vector2f& position);
85 
98  void setRotation(float angle);
99 
113  void setScale(float factorX, float factorY);
114 
127  void setScale(const Vector2f& factors);
128 
145  void setOrigin(float x, float y);
146 
162  void setOrigin(const Vector2f& origin);
163 
172  const Vector2f& getPosition() const;
173 
184  float getRotation() const;
185 
194  const Vector2f& getScale() const;
195 
204  const Vector2f& getOrigin() const;
205 
223  void move(float offsetX, float offsetY);
224 
240  void move(const Vector2f& offset);
241 
255  void rotate(float angle);
256 
274  void scale(float factorX, float factorY);
275 
292  void scale(const Vector2f& factor);
293 
302  const Transform& getTransform() const;
303 
312  const Transform& getInverseTransform() const;
313 
314 private:
315 
317  // Member data
319  Vector2f m_origin;
320  Vector2f m_position;
321  float m_rotation;
322  Vector2f m_scale;
323  mutable Transform m_transform;
324  mutable bool m_transformNeedUpdate;
325  mutable Transform m_inverseTransform;
326  mutable bool m_inverseTransformNeedUpdate;
327 };
328 
329 } // namespace sf
330 
331 
332 #endif // SFML_TRANSFORMABLE_HPP
333 
334 
Decomposed transform defined by a position, a rotation and a scale.
Define a 3x3 transform matrix.
Definition: Transform.hpp:42