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New navigation style: GestureNavigationStyle

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This commit is contained in:
DeepSOIC
2015-03-28 01:06:20 +03:00
committed by wmayer
parent 26fb298043
commit 499fffcb7e
5 changed files with 739 additions and 6 deletions
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119
src/Gui/NavigationStyle.cpp
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@@ -761,6 +761,39 @@ void NavigationStyle::zoomOut()
void NavigationStyle::doZoom(SoCamera* camera, SbBool forward, const SbVec2f& pos)
{
// SbBool zoomAtCur = this->zoomAtCursor;
// if (zoomAtCur) {
// const SbViewportRegion & vp = viewer->getSoRenderManager()->getViewportRegion();
// float ratio = vp.getViewportAspectRatio();
// SbViewVolume vv = camera->getViewVolume(vp.getViewportAspectRatio());
// SbPlane panplane = vv.getPlane(camera->focalDistance.getValue());
// panCamera(viewer->getSoRenderManager()->getCamera(), ratio, panplane, SbVec2f(0.5,0.5), pos);
// }
float value = this->zoomStep;
if (!forward)
value = -value;
if (this->invertZoom)
value = -value;
doZoom(camera, value, pos);
// if (zoomAtCur) {
// const SbViewportRegion & vp = viewer->getSoRenderManager()->getViewportRegion();
// float ratio = vp.getViewportAspectRatio();
// SbViewVolume vv = camera->getViewVolume(vp.getViewportAspectRatio());
// SbPlane panplane = vv.getPlane(camera->focalDistance.getValue());
// panCamera(viewer->getSoRenderManager()->getCamera(), ratio, panplane, pos, SbVec2f(0.5,0.5));
// }
}
/*!
*\brief NavigationStyle::doZoom Zooms in or out by specified factor, keeping the point on screen specified by parameter pos fixed
* or not according to user preference (NavigationStyle::zoomAtCursor). Ignores invertZoom user preference.
*/
void NavigationStyle::doZoom(SoCamera* camera, float logfactor, const SbVec2f& pos)
{
if (abs(logfactor)>4.0) return;//something is asking for big zoom factor. This func is made for interactive zooming, where the changes are per mouse move and thus are small.
SbBool zoomAtCur = this->zoomAtCursor;
if (zoomAtCur) {
const SbViewportRegion & vp = viewer->getSoRenderManager()->getViewportRegion();
@@ -770,12 +803,7 @@ void NavigationStyle::doZoom(SoCamera* camera, SbBool forward, const SbVec2f& po
panCamera(viewer->getSoRenderManager()->getCamera(), ratio, panplane, SbVec2f(0.5,0.5), pos);
}
float value = this->zoomStep;
if (!forward)
value = -value;
if (this->invertZoom)
value = -value;
zoom(camera, value);
zoom(camera, logfactor);
if (zoomAtCur) {
const SbViewportRegion & vp = viewer->getSoRenderManager()->getViewportRegion();
@@ -786,6 +814,35 @@ void NavigationStyle::doZoom(SoCamera* camera, SbBool forward, const SbVec2f& po
}
}
void NavigationStyle::doRotate(SoCamera * camera, float angle, const SbVec2f& pos)
{
SbBool zoomAtCur = this->zoomAtCursor;
if (zoomAtCur) {
const SbViewportRegion & vp = viewer->getSoRenderManager()->getViewportRegion();
float ratio = vp.getViewportAspectRatio();
SbViewVolume vv = camera->getViewVolume(vp.getViewportAspectRatio());
SbPlane panplane = vv.getPlane(camera->focalDistance.getValue());
panCamera(viewer->getSoRenderManager()->getCamera(), ratio, panplane, SbVec2f(0.5,0.5), pos);
}
SbRotation rotcam = camera->orientation.getValue();
//get view direction
SbVec3f vdir;
rotcam.multVec(SbVec3f(0,0,-1),vdir);
//rotate
SbRotation drot(vdir,angle);
camera->orientation.setValue(rotcam * drot);
if (zoomAtCur) {
const SbViewportRegion & vp = viewer->getSoRenderManager()->getViewportRegion();
float ratio = vp.getViewportAspectRatio();
SbViewVolume vv = camera->getViewVolume(vp.getViewportAspectRatio());
SbPlane panplane = vv.getPlane(camera->focalDistance.getValue());
panCamera(viewer->getSoRenderManager()->getCamera(), ratio, panplane, pos, SbVec2f(0.5,0.5));
}
}
/** Uses the sphere sheet projector to map the mouseposition onto
* a 3D point and find a rotation from this and the last calculated point.
*/
@@ -859,6 +916,40 @@ void NavigationStyle::spin(const SbVec2f & pointerpos)
if (this->spinsamplecounter > 3) this->spinsamplecounter = 3;
}
/*!
* \brief NavigationStyle::spin_simplified is a simplified version of
* NavigationStyle::spin(..), which uses less global variables. Doesn't support
* starting an animated spinning.
*
* \param cam the camera to affect. The rotation amount is determined by delta
* (curpos-prevpos), and rotation axis is also affected by average pos.
* \param curpos current normalized position or mouse pointer
* \param prevpos previous normalized position of mouse pointer
*/
void NavigationStyle::spin_simplified(SoCamera* cam, SbVec2f curpos, SbVec2f prevpos){
assert(this->spinprojector != NULL);
// 0000333: Turntable camera rotation
SbMatrix mat;
viewer->getSoRenderManager()->getCamera()->orientation.getValue().getValue(mat);
this->spinprojector->setWorkingSpace(mat);
this->spinprojector->project(prevpos);
SbRotation r;
this->spinprojector->projectAndGetRotation(curpos, r);
float sensitivity = getSensitivity();
if (sensitivity > 1.0f) {
SbVec3f axis;
float radians;
r.getValue(axis, radians);
radians = sensitivity * radians;
r.setValue(axis, radians);
}
r.invert();
this->reorientCamera(cam, r);
}
SbBool NavigationStyle::doSpin()
{
if (this->log.historysize >= 3) {
@@ -909,6 +1000,22 @@ void NavigationStyle::saveCursorPosition(const SoEvent * const ev)
}
}
SbVec2f NavigationStyle::normalizePixelPos(SbVec2s pixpos)
{
const SbViewportRegion & vp = viewer->getSoRenderManager()->getViewportRegion();
const SbVec2s size(vp.getViewportSizePixels());
return SbVec2f ((float) pixpos[0] / (float) std::max((int)(size[0] - 1), 1),
(float) pixpos[1] / (float) std::max((int)(size[1] - 1), 1));
}
SbVec2f NavigationStyle::normalizePixelPos(SbVec2f pixpos)
{
const SbViewportRegion & vp = viewer->getSoRenderManager()->getViewportRegion();
const SbVec2s size(vp.getViewportSizePixels());
return SbVec2f ( pixpos[0] / (float) std::max((int)(size[0] - 1), 1),
pixpos[1] / (float) std::max((int)(size[1] - 1), 1));
}
void NavigationStyle::moveCursorPosition()
{
if (!isResetCursorPosition())