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Updates to the camera code related to stereo, adding fusion distance.

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This commit is contained in:
Robert Osfield
2001-12-20 16:35:38 +00:00
parent 1326f4616d
commit 8aa72d85cf
5 changed files with 61 additions and 41 deletions
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38
include/osg/Camera
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@@ -122,9 +122,20 @@ class SG_EXPORT Camera: public osg::Referenced
/** Calculate and return the projection aspect ratio.
* Aspect ratio is defined as width/height.*/
const double calc_aspectRatio() const;
const Matrix& getProjectionMatrix() const;
/** set the fusion distance, the distance in model coords, when viewing stereo, that the
* left and right eye images converge. This value is dual of the screen distance,
* which is distance between viewers eyes and display device, while the fusion distance is
* this equivilant distance but in the virtual world (model coords.)*/
inline const double setFusionDistance() const { return _fusionDistance; }
/** get fusion distance.*/
inline const double getFusionDistance() const { return _fusionDistance; }
enum LookAtType
{
USE_HOME_POSITON,
@@ -184,8 +195,6 @@ class SG_EXPORT Camera: public osg::Referenced
/** calculate side vector.*/
const Vec3 getSideVector() const;
/** get focal distance.*/
inline const double getFocalLength() const { return _focalLength; }
enum TransformMode
@@ -237,10 +246,19 @@ class SG_EXPORT Camera: public osg::Referenced
const Matrix& getModelViewMatrix() const;
/** Switch on/off the use of the near clipping plane which creating the
* getClippingVolume(), uses the camera _znear value for the position of the
* near clipping plane. By default this value is off.*/
void setUseNearClippingPlane(const bool use);
/** get whether the ClippingVolume uses a near clipping plane.*/
const bool getUseNearClippingPlane() const { return _useNearClippingPlane; }
/** Switch on/off the use of the far clipping plane which creating the
* getClippingVolume(), uses the camera _zfar value for the position
* of the far clipping plane. By default this value is off.*/
void setUseFarClippingPlane(const bool use);
/** Get whether the ClippingVolume uses a far clipping plane.*/
const bool getUseFarClippingPlane() const { return _useFarClippingPlane; }
/** get the view frustum clipping in model coordinates */
@@ -262,6 +280,9 @@ class SG_EXPORT Camera: public osg::Referenced
* specialize the camera for each eye view.*/
void adjustEyeOffsetForStereo(const osg::Vec3& offset,float screenDistance);
/** Set up the OpenGL projection and model view matrices.*/
virtual void apply(State& state);
protected:
void copy(const Camera&);
@@ -291,7 +312,7 @@ class SG_EXPORT Camera: public osg::Referenced
Vec3 _center;
Vec3 _up;
double _focalLength;
double _fusionDistance;
TransformMode _attachedTransformMode;
ref_ptr<Matrix> _eyeToModelTransform;
@@ -311,12 +332,11 @@ class SG_EXPORT Camera: public osg::Referenced
mutable ref_ptr<Matrix> _inversemp;
void calculateMatricesAndClippingVolume() const;
// values to offset
bool _useEyeOffset;
osg::Vec3 _eyeOffset;
float _screenDistance;
// used for offsetting camera to ajust for left and right stereo views.
bool _useEyeOffset;
osg::Vec3 _eyeOffset;
float _screenDistance;
};