FGFS-4.1/OpenSceneGraph
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Implemented support for float x and y mouse positions, and normalization of

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mouse coords in osgGA::GUIEventAdapter, and ported osgGA camera manaipulators
to use the new normalized values.

Moved osgProducer across to tracking the window dimensions and ensure that the
internals values in osgProducer::EventAdapter are kept consistent.  Moved
the warp pointer in Viewer across to using KeyboardMouse::positionPointer().
This commit is contained in:
Robert Osfield
2003-04-04 19:10:37 +00:00
parent fb49e5a60f
commit 169bf25f77
13 changed files with 150 additions and 259 deletions
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34
include/osgGA/GUIEventAdapter
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@@ -230,24 +230,24 @@ public:
/** button pressed/released, return -1 if inappropriate for this event.*/
virtual int getButton() const = 0;
/** window minimum x. */
virtual int getXmin() const = 0;
/** manimum x mouse position. */
virtual float getXmin() const = 0;
/** window maximum x. */
virtual int getXmax() const = 0;
/** maximum x mouse position. */
virtual float getXmax() const = 0;
/** window minimum y. */
virtual int getYmin() const = 0;
/** minimum y mouse position. */
virtual float getYmin() const = 0;
/** window maximum y. */
virtual int getYmax() const = 0;
/** maximum y mouse position. */
virtual float getYmax() const = 0;
/** current mouse x position.*/
virtual int getX() const = 0;
virtual float getX() const = 0;
/** current mouse y position.*/
virtual int getY() const = 0;
virtual float getY() const = 0;
/** current mouse button state */
virtual unsigned int getButtonMask() const = 0;
@@ -256,6 +256,18 @@ public:
/** time in seconds of event. */
virtual double time() const = 0;
/** return the getX() value normalised to the range of -1 to 1.
* -1 would be the left hand side of the window.
* 0.0 would be the middle of the window.
* +1 would be the right hand side of the window.*/
inline float getXnormalized() const { return 2.0f*(getX()-getXmin())/(getXmax()-getXmin())-1.0f; }
/** return the getY() value normalised to the range of -1 to 1.
* -1 would be the bottom of the window.
* 0.0 would be the middle of the window.
* +1 would be the top of the window.*/
inline float getYnormalized() const { return 2.0f*(getY()-getYmin())/(getYmax()-getYmin())-1.0f; }
protected: