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Added SetPointsCount in sf::CircleShape

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This commit is contained in:
Laurent Gomila 2011-12-10 15:22:21 +01:00
parent 048abbf46f
commit c33fa1d290
2 changed files with 41 additions and 7 deletions
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29
include/SFML/Graphics/CircleShape.hpp
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@ -44,10 +44,11 @@ public :
////////////////////////////////////////////////////////////
/// \brief Default constructor
///
/// \param radius Radius of the circle
/// \param radius Radius of the circle
/// \param pointsCount Number of points composing the circle
///
////////////////////////////////////////////////////////////
explicit CircleShape(float radius = 0);
explicit CircleShape(float radius = 0, unsigned int pointsCount = 30);
////////////////////////////////////////////////////////////
/// \brief Set the radius of the circle
@ -69,11 +70,23 @@ public :
////////////////////////////////////////////////////////////
float GetRadius() const;
////////////////////////////////////////////////////////////
/// \brief Set the number of points of the circle
///
/// \param count New number of points of the circle
///
/// \see GetPointsCount
///
////////////////////////////////////////////////////////////
void SetPointsCount(unsigned int count);
////////////////////////////////////////////////////////////
/// \brief Get the number of points of the shape
///
/// \return Number of points of the shape
///
/// \see SetPointsCount
///
////////////////////////////////////////////////////////////
virtual unsigned int GetPointsCount() const;
@ -92,7 +105,8 @@ private :
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
float myRadius; ///< Radius of the circle
float myRadius; ///< Radius of the circle
unsigned int myPointsCount; ///< Number of points composing the circle
};
} // namespace sf
@ -120,6 +134,15 @@ private :
/// window.Draw(circle);
/// \endcode
///
/// Since the graphics card can't draw perfect circles, we have to
/// fake them with multiple triangles connected to each other. The
/// "points count" property of sf::CircleShape defines how many of these
/// triangles to use, and therefore defines the quality of the circle.
///
/// The number of points can also be used for another purpose; with
/// small numbers you can create any regular polygon shape:
/// equilateral triangle, square, pentagon, hexagon, ...
///
/// \see sf::Shape, sf::RectangleShape, sf::ConvexShape
///
////////////////////////////////////////////////////////////