@Override
protected void updateForView() {
GeoQuadric3D quadric = (GeoQuadric3D) getGeoElement();
int type = quadric.getType();
switch (type) {
case GeoQuadricNDConstants.QUADRIC_SPHERE:
if (getView3D().viewChangedByZoom()) {
Renderer renderer = getView3D().getRenderer();
PlotterSurface surface = renderer.getGeometryManager().getSurface();
double s = scale;
scale = getView3D().getScale();
// check if longitude length changes
double radius = quadric.getHalfAxis(0);
int l = surface.calcSphereLongitudesNeeded(radius, scale);
// redraw if sphere was not visible, or if new longitude length,
// or if negative zoom occured
if (visible == Visible.TOTALLY_OUTSIDE || l != longitude || scale < s) {
Coords center = quadric.getMidpoint3D();
checkSphereVisible(center, radius);
if (visible != Visible.TOTALLY_OUTSIDE) {
// App.debug(l+","+longitude);
longitude = l;
surface.start(getReusableSurfaceIndex());
drawSphere(surface, center, radius);
setSurfaceIndex(surface.end());
recordTrace();
} else {
setSurfaceIndex(-1);
}
}
} else if (visible != Visible.TOTALLY_INSIDE && getView3D().viewChangedByTranslate()) {
Renderer renderer = getView3D().getRenderer();
PlotterSurface surface = renderer.getGeometryManager().getSurface();
Coords center = quadric.getMidpoint3D();
double radius = quadric.getHalfAxis(0);
checkSphereVisible(center, radius);
if (visible != Visible.TOTALLY_OUTSIDE) {
surface.start(getReusableSurfaceIndex());
drawSphere(surface, center, radius);
setSurfaceIndex(surface.end());
recordTrace();
} else {
setSurfaceIndex(-1);
}
}
break;
case GeoQuadricNDConstants.QUADRIC_ELLIPSOID:
case GeoQuadricNDConstants.QUADRIC_CONE:
case GeoQuadricNDConstants.QUADRIC_CYLINDER:
case GeoQuadricNDConstants.QUADRIC_HYPERBOLOID_ONE_SHEET:
case GeoQuadricNDConstants.QUADRIC_HYPERBOLOID_TWO_SHEETS:
case GeoQuadricNDConstants.QUADRIC_PARABOLOID:
case GeoQuadricNDConstants.QUADRIC_HYPERBOLIC_PARABOLOID:
case GeoQuadricNDConstants.QUADRIC_PARABOLIC_CYLINDER:
case GeoQuadricNDConstants.QUADRIC_HYPERBOLIC_CYLINDER:
case GeoQuadricNDConstants.QUADRIC_SINGLE_POINT:
if (getView3D().viewChangedByZoom() || getView3D().viewChangedByTranslate()) {
updateForItSelf();
}
break;
case GeoQuadricNDConstants.QUADRIC_PARALLEL_PLANES:
case GeoQuadricNDConstants.QUADRIC_INTERSECTING_PLANES:
if (getView3D().viewChanged()) {
initDrawPlanes(quadric);
drawPlanes[0].updateForView();
drawPlanes[1].updateForView();
super.setWaitForUpdate();
}
break;
case GeoQuadricNDConstants.QUADRIC_PLANE:
if (getView3D().viewChanged()) {
initDrawPlanes(quadric);
drawPlanes[0].updateForView();
super.setWaitForUpdate();
}
break;
case GeoQuadricNDConstants.QUADRIC_LINE:
if (getView3D().viewChanged()) {
initDrawLine(quadric);
drawLine.updateForView();
super.setWaitForUpdate();
}
break;
}
}
