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Gui: Added FreeTurntable orbit style (#8048)

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* Added FreeTurntable orbit style
This commit is contained in:
Nabos
2022-12-20 03:21:46 +01:00
committed by GitHub
parent 6b5e015f94
commit 9cda82cf20
4 changed files with 61 additions and 30 deletions
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60
src/Gui/NavigationStyle.cpp
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@@ -85,7 +85,8 @@ class FCSphereSheetProjector : public SbSphereSheetProjector {
public:
enum OrbitStyle {
Turntable,
Trackball
Trackball,
FreeTurntable
};
FCSphereSheetProjector(const SbSphere & sph, const SbBool orienttoeye = true)
@@ -114,33 +115,46 @@ public:
SbRotation rot = inherited::getRotation(point1, point2);
if (orbit == Trackball)
return rot;
// 0000333: Turntable camera rotation
SbVec3f axis;
float angle;
rot.getValue(axis, angle);
SbVec3f dif = point1 - point2;
if (fabs(dif[1]) > fabs(dif[0])) {
SbVec3f xaxis(1,0,0);
if (dif[1] < 0)
angle = -angle;
rot.setValue(xaxis, angle);
}
else {
SbVec3f zaxis(0,0,1);
this->worldToScreen.multDirMatrix(zaxis, zaxis);
if (zaxis[1] < 0) {
if (dif[0] < 0)
else if (orbit == Turntable) {
SbVec3f axis;
float angle;
rot.getValue(axis, angle);
SbVec3f dif = point1 - point2;
if (fabs(dif[1]) > fabs(dif[0])) {
SbVec3f xaxis(1,0,0);
if (dif[1] < 0)
angle = -angle;
rot.setValue(xaxis, angle);
}
else {
if (dif[0] > 0)
angle = -angle;
SbVec3f zaxis(0,0,1);
this->worldToScreen.multDirMatrix(zaxis, zaxis);
if (zaxis[1] < 0) {
if (dif[0] < 0)
angle = -angle;
}
else {
if (dif[0] > 0)
angle = -angle;
}
rot.setValue(zaxis, angle);
}
rot.setValue(zaxis, angle);
}
return rot;
return rot;
} else {
// Turntable without constraints
SbRotation zrot, xrot;
SbVec3f dif = point1 - point2;
SbVec3f zaxis(1,0,0);
zrot.setValue(zaxis, dif[1]);
SbVec3f xaxis(0,0,1);
this->worldToScreen.multDirMatrix(xaxis, xaxis);
xrot.setValue(xaxis, -dif[0]);
return zrot * xrot;
}
}
void setOrbitStyle(OrbitStyle style)