FGFS-4.1/OpenSceneGraph
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This commit is contained in:
Don BURNS
2001-09-22 02:42:08 +00:00
parent d47b8f9c1f
commit 7ae58df42a
197 changed files with 7867 additions and 6189 deletions
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31
include/osg/Camera
View File

@@ -6,6 +6,7 @@
#include <osg/Matrix>
#include <osg/Quat>
#include <osg/ClippingVolume>
#include <osg/Viewport>
namespace osg {
@@ -58,6 +59,9 @@ class SG_EXPORT Camera: public osg::Referenced
void setPerspective(const double fovy,const double aspectRatio,
const double zNear, const double zFar);
/** Set a sysmetical perspective projection using field of view.*/
void setFOV(const double fovx,const double fovy,
const double zNear, const double zFar);
/** Set the near and far clipping planes.*/
void setNearFar(const double zNear, const double zFar);
@@ -65,16 +69,32 @@ class SG_EXPORT Camera: public osg::Referenced
/** Use in combination with adjustAspectRatio, to control
* the change in frustum clipping planes to account for
* changes in windows aspect ratio,*/
enum AdjustAxis
enum AdjustAspectRatioMode
{
ADJUST_VERTICAL,
ADJUST_HORIZONTAL
};
/** Set the way that the vertical or horizontal dimensions of the window
* are adjusted on a resize. */
void setAdjustAspectRatioMode(const AdjustAspectRatioMode aam) { _adjustAspectRatioMode = aam; }
/** Get the way that the vertical or horizontal dimensions of the window
* are adjusted on a resize. */
const AdjustAspectRatioMode getAdjustAspectRatioMode() const { return _adjustAspectRatioMode; }
/** Adjust the clipping planes to account for a new window aspcect ratio.
* Typicall used after resizeing a window. Aspect ratio is defined as
* width/height.*/
void adjustAspectRatio(const double newAspectRatio, const AdjustAxis aa = ADJUST_HORIZONTAL);
void adjustAspectRatio(const double newAspectRatio)
{
adjustAspectRatio(newAspectRatio,_adjustAspectRatioMode);
}
/** Adjust the clipping planes to account for a new window aspcect ratio.
* Typicall used after resizeing a window. Aspect ratio is defined as
* width/height.*/
void adjustAspectRatio(const double newAspectRatio, const AdjustAspectRatioMode aa);
const double left() const;
const double right() const;
@@ -223,11 +243,11 @@ class SG_EXPORT Camera: public osg::Referenced
/** Map object coordinates into windows coordinates.
* Equivilant to gluProject(...). */
const bool project(const Vec3& obj,const int* viewport,Vec3& win) const;
const bool project(const Vec3& obj,const Viewport& viewport,Vec3& win) const;
/** Map window coordinates into object coordinates.
* Equivilant to gluUnProject(...). */
const bool unproject(const Vec3& win,const int* viewport,Vec3& obj) const;
const bool unproject(const Vec3& win,const Viewport& viewport,Vec3& obj) const;
protected:
@@ -239,6 +259,9 @@ class SG_EXPORT Camera: public osg::Referenced
// projection details.
ProjectionType _projectionType;
// how the window dimensions should be altered during a window resize.
AdjustAspectRatioMode _adjustAspectRatioMode;
// note, in Frustum/Perspective mode these values are scaled
// by the zNear from when they were initialised to ensure that
// subsequent changes in zNear do not affect them.