bool isVisibleFace(int faceIndex, const SbVec2f& pos, Gui::View3DInventorViewer* viewer)
{
SoSeparator* root = new SoSeparator;
root->ref();
root->addChild(viewer->getSoRenderManager()->getCamera());
root->addChild(vp->getRoot());
SoSearchAction searchAction;
searchAction.setType(PartGui::SoBrepFaceSet::getClassTypeId());
searchAction.setInterest(SoSearchAction::FIRST);
searchAction.apply(root);
SoPath* selectionPath = searchAction.getPath();
SoRayPickAction rp(viewer->getSoRenderManager()->getViewportRegion());
rp.setNormalizedPoint(pos);
rp.apply(selectionPath);
root->unref();
SoPickedPoint* pick = rp.getPickedPoint();
if (pick) {
const SoDetail* detail = pick->getDetail();
if (detail && detail->isOfType(SoFaceDetail::getClassTypeId())) {
int index = static_cast<const SoFaceDetail*>(detail)->getPartIndex();
if (faceIndex != index)
return false;
SbVec3f dir = viewer->getViewDirection();
const SbVec3f& nor = pick->getNormal();
if (dir.dot(nor) > 0)
return false; // bottom side points to user
return true;
}
}
return false;
}
void
SoOrthoSlice::rayPick(SoRayPickAction * action)
{
if (!this->shouldRayPick(action)) return;
SoState * state = action->getState();
if (!PRIVATE(this)->confirmValidInContext(state)) { return; }
const CvrVoxelBlockElement * vbelem = CvrVoxelBlockElement::getInstance(state);
if (vbelem == NULL) { return; }
this->computeObjectSpaceRay(action);
const SbLine & ray = action->getLine();
const SbPlane sliceplane = PRIVATE(this)->getSliceAsPlane(action);
SbVec3f intersection;
if (sliceplane.intersect(ray, intersection) && // returns FALSE if parallel
action->isBetweenPlanes(intersection)) {
SbVec3s ijk = vbelem->objectCoordsToIJK(intersection);
const SbVec3s & voxcubedims = vbelem->getVoxelCubeDimensions();
const SbBox3s voxcubebounds(SbVec3s(0, 0, 0), voxcubedims - SbVec3s(1, 1, 1));
if (voxcubebounds.intersect(ijk)) {
SoPickedPoint * pp = action->addIntersection(intersection);
// if NULL, something else is obstructing the view to the
// volume, the app programmer only want the nearest, and we
// don't need to continue our intersection tests
if (pp == NULL) return;
pp->setObjectNormal(sliceplane.getNormal());
SoOrthoSliceDetail * detail = new SoOrthoSliceDetail;
pp->setDetail(detail, this);
detail->objectcoords = intersection;
detail->ijkcoords = ijk;
detail->voxelvalue = vbelem->getVoxelValue(ijk);
if (CvrUtil::useFlippedYAxis()) {
static SbBool flag = FALSE;
if (!flag) {
SoDebugError::postWarning("SoOrthoSlice::rayPick",
"RayPick'ing will not be correct for SoOrthoSlice when the "
"obsolete CVR_USE_FLIPPED_Y_AXIS envvar is active.");
flag = TRUE;
}
}
}
}
// Common clipping plane handling.
SoOrthoSlice::doAction(action);
}
void
myMouseCB(void *userData, SoEventCallback *eventCB)
{
const SoEvent *event = eventCB->getEvent();
SoSeparator * scenegraph = (SoSeparator*) userData;
if (SO_MOUSE_PRESS_EVENT(event, BUTTON2))
{
std::cout << "mouse button 2" << std::endl;
if (global_render_manager)
{
// attempting raypick in the event_cb() callback method
SoRayPickAction rp( global_render_manager->getViewportRegion() );
rp.setPoint(event->getPosition());
rp.setPickAll(true);
std::cout << "event position: " << event->getPosition()[0] << " " << event->getPosition()[1]
<< std::endl;
rp.apply(global_render_manager->getSceneGraph());
const SoPickedPointList& pickedPoints = rp.getPickedPointList();
std::cout << "# of picked points: " << pickedPoints.getLength() << std::endl;
for (int i=0; i<pickedPoints.getLength(); ++i)
{
SoPickedPoint * pickedPoint = pickedPoints[i];
SbVec3f point = pickedPoint->getPoint();
std::cout << "point " << i << " : " << point[0] << " " << point[1] << " " <<
point[2] << std::endl;
}
}
eventCB->setHandled();
}
else if (SO_MOUSE_PRESS_EVENT(event, BUTTON1))
{
//std::cout << "mouse button 1" << std::endl;
eventCB->setHandled();
}
else if (SO_MOUSE_PRESS_EVENT(event, BUTTON3))
{
//std::cout << "mouse button 3" << std::endl;
eventCB->setHandled();
}
}
void
_SoNurbsPickV4SurfaceMap::intersectTriangle()
//
////////////////////////////////////////////////////////////////////////
{
SbVec3f point;
SbVec3f barycentric;
SbBool onFrontSide;
SoPickedPoint *pp;
if (!pickAction->intersect(SP[cacheIndices[0]].p,
SP[cacheIndices[1]].p,
SP[curPrimIndex].p,
point, barycentric, onFrontSide))
return;
pp = pickAction->addIntersection(point);
if (pp != NULL) {
SbVec3f norm, n0, n1, n2;
SbVec4f texCoord;
// Compute normal by interpolating vertex normals using
// barycentric coordinates
n0 = SP[0].norm;
n1 = SP[1].norm;
n2 = SP[2].norm;
norm.setValue(barycentric, n0, n1, n2);
norm.normalize();
pp->setObjectNormal(norm);
pp->setMaterialIndex(0);
// Compute texture coordinates the same way
texCoord[0] = barycentric[0] * TP[cacheIndices[0]][0] +
barycentric[1] * TP[cacheIndices[1]][0] +
barycentric[2] * TP[curPrimIndex][0];
texCoord[1] = barycentric[0] * TP[cacheIndices[0]][1] +
barycentric[1] * TP[cacheIndices[1]][1] +
barycentric[2] * TP[curPrimIndex][1];
texCoord[2] = 0.0;
texCoord[3] = 1.0;
pp->setObjectTextureCoords(texCoord);
}
}
void SoRing::rayPick(SoRayPickAction * action)
{
// Is it pickable ?
if ( ! shouldRayPick(action) ) return;
// compute the picking ray in our current object space
computeObjectSpaceRay(action);
SoPickedPoint* pp;
SbVec3f intersection;
SbPlane XY(SbVec3f(0,0,1),0);
if ( XY.intersect(action->getLine(), intersection) )
{
float x, y, z;
intersection.getValue(x, y, z);
// back to the case of a disk centered at (0,0)
float Xc, Yc;
center.getValue().getValue(Xc,Yc);
x -= Xc;
y -= Yc;
// within radius ?
if ( sqrt(x*x+y*y+z*z) > outerRadius.getValue() ) return;
if ( sqrt(x*x+y*y+z*z) < innerRadius.getValue() ) return;
// within angular section ?
float theta = sweepAngle.getValue();
float angle = atan2(y,x);
if ( angle < 0. ) angle += 2*M_PI;
if ( theta != 360 &&
angle*180.F/M_PI > theta ) return;
if ( action->isBetweenPlanes(intersection) &&
(pp = action->addIntersection(intersection)) != NULL )
{
pp->setObjectNormal(normal);
pp->setObjectTextureCoords(SbVec4f(0.5f*(1+cos(angle)),
0.5f*(1+sin(angle)), 0, 1));
}
}
}
SbBool SIM::Coin3D::Quarter::SoQTQuarterAdaptor::seekToPoint(const SbVec2s screenpos)
{
SoRayPickAction rpaction(getSoRenderManager()->getViewportRegion());
rpaction.setPoint(screenpos);
rpaction.setRadius(2);
rpaction.apply(getSoRenderManager()->getSceneGraph());
SoPickedPoint* picked = rpaction.getPickedPoint();
if(!picked) {
this->interactiveCountInc(); // decremented in setSeekMode(FALSE)
this->setSeekMode(FALSE);
return FALSE;
}
SbVec3f hitpoint;
hitpoint = picked->getPoint();
this->seekToPoint(hitpoint);
return TRUE;
}
void
_SoNurbsPickV4CurveMap::intersectLine()
//
////////////////////////////////////////////////////////////////////////
{
SbVec3f point;
SoPickedPoint *pp;
if (!pickAction->intersect(CP[0], CP[1], point))
return;
pp = pickAction->addIntersection(point);
if (pp != NULL) {
SbVec3f norm;
SbVec4f texCoord;
float ratioFromV1;
// Compute normal as vector pointing back along the pick ray.
norm = -pickAction->getLine().getDirection();
norm.normalize();
pp->setObjectNormal(norm);
pp->setMaterialIndex(0);
// Compute interpolated texture coordinate
ratioFromV1 = ((point - CP[0]).length() /
(CP[1] - CP[0]).length());
texCoord[0] = (TP[0][0] * (1.0 - ratioFromV1) +
TP[1][0] * ratioFromV1);
texCoord[1] = (TP[0][1] * (1.0 - ratioFromV1) +
TP[1][1] * ratioFromV1);
texCoord[2] = 0.0;
texCoord[3] = 1.0;
pp->setObjectTextureCoords(texCoord);
}
}
void
SoCylinder::rayPick(SoRayPickAction *action)
//
////////////////////////////////////////////////////////////////////////
{
// First see if the object is pickable
if (! shouldRayPick(action))
return;
int curParts =(parts.isIgnored() ? ALL : parts.getValue());
SbLine pickLine;
float radius, halfHeight;
SbVec3f enterPoint, exitPoint, normal;
SbVec4f texCoord;
SoPickedPoint *pp;
SoCylinderDetail *detail;
SbBool materialPerPart;
int numHits = 0;
// Compute the picking ray in our current object space
computeObjectSpaceRay(action);
// Get size of this cylinder
getSize(radius, halfHeight);
// Construct an infinite cylinder to test sides for intersection
SbCylinder infiniteCyl;
infiniteCyl.setRadius(radius);
SoMaterialBindingElement::Binding mbe =
SoMaterialBindingElement::get(action->getState());
materialPerPart =
(mbe == SoMaterialBindingElement::PER_PART_INDEXED ||
mbe == SoMaterialBindingElement::PER_PART);
// See if the line intersects the cylinder
if (HAS_PART(curParts, SIDES) &&
infiniteCyl.intersect(action->getLine(), enterPoint, exitPoint)) {
// See if the enter point is within the real cylinder and is
// between the near and far clipping planes.
if (enterPoint[1] <= halfHeight && enterPoint[1] >= -halfHeight) {
numHits++;
if (action->isBetweenPlanes(enterPoint) &&
(pp = action->addIntersection(enterPoint)) != NULL) {
// The normal at the point is the same as the point but
// with a 0 y coordinate
normal.setValue(enterPoint[0], 0.0, enterPoint[2]);
normal.normalize();
pp->setObjectNormal(normal);
texCoord.setValue(atan2f(enterPoint[0], enterPoint[2])
* (1.0 / (2.0 * M_PI)) + 0.5,
(enterPoint[1] + halfHeight) /
(2.0 * halfHeight),
0.0, 1.0);
pp->setObjectTextureCoords(texCoord);
detail = new SoCylinderDetail();
detail->setPart(SIDES);
pp->setDetail(detail, this);
}
}
// Do same for exit point
if (exitPoint[1] <= halfHeight && exitPoint[1] >= -halfHeight) {
numHits++;
if (action->isBetweenPlanes(exitPoint) &&
(pp = action->addIntersection(exitPoint)) != NULL) {
normal.setValue(exitPoint[0], 0.0, exitPoint[2]);
normal.normalize();
pp->setObjectNormal(normal);
texCoord.setValue(atan2f(exitPoint[0], exitPoint[2])
* (1.0 / (2.0 * M_PI)) + 0.5,
(exitPoint[1] + halfHeight) /
(2.0 * halfHeight),
0.0, 1.0);
pp->setObjectTextureCoords(texCoord);
detail = new SoCylinderDetail();
detail->setPart(SIDES);
pp->setDetail(detail, this);
}
}
}
// If we haven't hit the cylinder twice already, check for an
// intersection with the top face
if (numHits < 2 && HAS_PART(curParts, TOP)) {
SbVec3f norm(0.0, 1.0, 0.0);
// Construct a plane containing the top face
SbPlane topFacePlane(norm, halfHeight);
// See if the ray hits this plane
if (topFacePlane.intersect(action->getLine(), enterPoint)) {
// See if the intersection is within the correct radius
// and is within the clipping planes
float distFromYAxisSquared = (enterPoint[0] * enterPoint[0] +
enterPoint[2] * enterPoint[2]);
if (distFromYAxisSquared <= radius * radius) {
numHits++;
if (action->isBetweenPlanes(enterPoint) &&
(pp = action->addIntersection(enterPoint)) != NULL) {
pp->setObjectNormal(norm);
texCoord.setValue(0.5 + enterPoint[0] / (2.0 * radius),
0.5 - enterPoint[2] / (2.0 * radius),
0.0, 1.0);
pp->setObjectTextureCoords(texCoord);
if (materialPerPart)
pp->setMaterialIndex(1);
detail = new SoCylinderDetail();
detail->setPart(TOP);
pp->setDetail(detail, this);
}
}
}
}
// If we haven't hit the cylinder twice already, check for an
// intersection with the bottom face
if (numHits < 2 && HAS_PART(curParts, BOTTOM)) {
SbVec3f norm(0.0, -1.0, 0.0);
// Construct a plane containing the bottom face
SbPlane bottomFacePlane(norm, halfHeight);
// See if the ray hits this plane
if (bottomFacePlane.intersect(action->getLine(), enterPoint)) {
// See if the intersection is within the correct radius
// and is within the clipping planes
float distFromYAxisSquared = (enterPoint[0] * enterPoint[0] +
enterPoint[2] * enterPoint[2]);
if (distFromYAxisSquared <= radius * radius &&
action->isBetweenPlanes(enterPoint) &&
(pp = action->addIntersection(enterPoint)) != NULL) {
pp->setObjectNormal(norm);
texCoord.setValue(0.5 + enterPoint[0] / (2.0 * radius),
0.5 + enterPoint[2] / (2.0 * radius),
0.0, 1.0);
pp->setObjectTextureCoords(texCoord);
if (materialPerPart)
pp->setMaterialIndex(2);
detail = new SoCylinderDetail();
detail->setPart(BOTTOM);
pp->setDetail(detail, this);
}
}
}
}
void
SmTextureText2::rayPick(SoRayPickAction * action)
{
//FIXME: Support multiple strings at one position (multiline text)?
//For now, assumes 1 string at each position
SoState * state = action->getState();
const SbString * strings;
const int numstrings = this->getStrings(state, strings);
const int32_t * indices;
const int numindices = this->getStringIndices(state, indices);
const int num = numindices > 0 ? numindices : numstrings;
this->computeObjectSpaceRay(action);
const SmTextureFont::FontImage * font = SmTextureFontElement::get(state);
SoMaterialBindingElement::Binding binding = SoMaterialBindingElement::get(state);
for (int i = 0; i < num; i++){
int idx = numindices > 0 ? indices[i] : i;
SbVec3f p0, p1, p2, p3;
this->buildStringQuad(action, idx, p0, p1, p2, p3);
SbVec3f isect;
SbVec3f bary;
SbBool front;
SbBool hit = action->intersect(p0, p1, p2, isect, bary, front);
if (!hit) hit = action->intersect(p0, p2, p3, isect, bary, front);
if (hit && action->isBetweenPlanes(isect)) {
if (!this->pickOnPixel.getValue()){
SoPickedPoint * pp = action->addIntersection(isect);
if (pp) {
SoTextDetail * detail = new SoTextDetail;
detail->setStringIndex(idx);
detail->setCharacterIndex(0);
pp->setDetail(detail, this);
pp->setMaterialIndex(binding == SoMaterialBindingElement::OVERALL ? 0 : idx);
pp->setObjectNormal(SbVec3f(0.0f, 0.0f, 1.0f));
}
return;//We only calculate 1 picked point per SmTextureText2 instance
}
//else:
//FIXME: Pixel coordinates are off by at least one pixel.
//Probably a rounding issue, or related to using center vs lowerleft coordinates of each pixel
//Find out if the fault lies here, in buildStringQuad or in renderString... wiesener 20091102
// find normalized 2D hitpoint on quad
float h = (p3-p0).length();
float w = (p1-p0).length();
SbLine horizontal(p2, p3);
SbVec3f ptonline = horizontal.getClosestPoint(isect);
float vdist = (ptonline-isect).length();
vdist /= h;
SbLine vertical(p0, p3);
ptonline = vertical.getClosestPoint(isect);
float hdist = (ptonline-isect).length();
hdist /= w;
const SbString & string = strings[idx];
int width_pixels = font->stringWidth(string);
int height_pixels = font->height();
int px = static_cast<int>(width_pixels * hdist);
int py = static_cast<int>(height_pixels * vdist);
const char * cstr = string.getString();
int charindex = 0;
int lastwidth = 0;
while (charindex < string.getLength()){
unsigned char c = cstr[charindex];
int width = font->getKerning(c, 0);//should return "true width" of the glyph
int xoffset = font->getXOffset(c);//will be negative for fonts extending to the left
if (lastwidth + width > px){//we have a character, now let's see if it is a pixel hit
SbVec2s glyphpos = font->getGlyphPositionPixels(c);//upper left pixel
int x = px - lastwidth - xoffset + glyphpos[0];
int y = py + glyphpos[1];
const SbImage * img = font->getGLImage()->getImage();
SbVec2s size;
int nc;
const unsigned char * pixels = img->getValue(size, nc);
//#define DEBUG_CHARACTER
#ifdef DEBUG_CHARACTER
for (int fooy = 0; fooy < font->height(); fooy++){
for (int foox = 0; foox < width - xoffset; foox++){
int line = glyphpos[1] + fooy;
char transparency = pixels[(line * size[0] + foox + glyphpos[0]) * nc];
if (fooy == py && foox == px - lastwidth - xoffset) printf("X");
else printf(transparency != 0 ? "O" : " ");
}
printf("\n");
}
printf("--------\n");
#endif //DEBUG_CHARACTER
const unsigned char * pixel = &pixels[(y * size[0] + x) * nc];
if (pixel[0] != 0){//not completely transparent
SoPickedPoint * pp = action->addIntersection(isect);
if (pp) {
SoTextDetail * detail = new SoTextDetail;
detail->setStringIndex(idx);
detail->setCharacterIndex(0);
pp->setDetail(detail, this);
pp->setMaterialIndex(binding == SoMaterialBindingElement::OVERALL ? 0 : idx);
pp->setObjectNormal(SbVec3f(0.0f, 0.0f, 1.0f));
}
return;//We only calculate 1 picked point per SmTextureText2 instance
}
}
unsigned char c2 = cstr[charindex + 1];
lastwidth += font->getKerning(c, c2);//add the kerning instead of width here
if (lastwidth + font->getXOffset(c2) > px) break;//passed the point clicked
charindex++;
}
}
}
}
/*!
The string returned from this function is only valid until the next variable is
requested.
*/
const char *
SoScXMLStateMachine::getVariable(const char * key) const
{
if (strncmp(key, "_event.", 7) == 0) {
// printf("scan for key '%s'\n", key);
const char * subkey = key + 7;
const ScXMLEvent * ev = this->getCurrentEvent();
if (ev->isOfType(SoScXMLEvent::getClassTypeId())) {
const SoScXMLEvent * soev = static_cast<const SoScXMLEvent *>(ev);
const SoEvent * coinev = soev->getSoEvent();
if (strcmp(subkey, "getTime()") == 0) {
SbTime timeval = coinev->getTime();
double doubletime = timeval.getValue();
PRIVATE(this)->varstring = SbStringConvert::toString(doubletime);
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getPosition().x") == 0) {
SbVec2s pos = coinev->getPosition();
PRIVATE(this)->varstring = SbStringConvert::toString(static_cast<double>(pos[0]));
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getPosition().y") == 0) {
SbVec2s pos = coinev->getPosition();
PRIVATE(this)->varstring = SbStringConvert::toString(static_cast<double>(pos[1]));
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getPosition()") == 0) {
SbVec2s pos = coinev->getPosition();
PRIVATE(this)->varstring = SbStringConvert::toString(pos);
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getNormalizedPosition().x") == 0) {
SbVec2f pos = coinev->getNormalizedPosition(this->getViewportRegion());
PRIVATE(this)->varstring = SbStringConvert::toString(static_cast<double>(pos[0]));
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getNormalizedPosition().y") == 0) {
SbVec2f pos = coinev->getNormalizedPosition(this->getViewportRegion());
PRIVATE(this)->varstring = SbStringConvert::toString(static_cast<double>(pos[1]));
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getNormalizedPosition()") == 0) {
SbVec2f pos = coinev->getNormalizedPosition(this->getViewportRegion());
PRIVATE(this)->varstring = SbStringConvert::toString(pos);
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "wasShiftDown()") == 0) {
SbBool wasdown = coinev->wasShiftDown();
PRIVATE(this)->varstring = SbStringConvert::toString<bool>(wasdown);
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "wasCtrlDown()") == 0) {
SbBool wasdown = coinev->wasCtrlDown();
PRIVATE(this)->varstring = SbStringConvert::toString<bool>(wasdown);
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "wasAltDown()") == 0) {
SbBool wasdown = coinev->wasAltDown();
PRIVATE(this)->varstring = SbStringConvert::toString<bool>(wasdown);
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getState()") == 0 && coinev->isOfType(SoButtonEvent::getClassTypeId())) {
const SoButtonEvent * bevent = coin_assert_cast<const SoButtonEvent *>(coinev);
SbString enumname;
SoButtonEvent::enumToString(bevent->getState(), enumname);
PRIVATE(this)->varstring.sprintf("'%s'", enumname.getString());
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getKey()") == 0 && coinev->isOfType(SoKeyboardEvent::getClassTypeId())) {
const SoKeyboardEvent * kbevent = coin_assert_cast<const SoKeyboardEvent *>(coinev);
SbString enumname;
SoKeyboardEvent::enumToString(kbevent->getKey(), enumname);
PRIVATE(this)->varstring.sprintf("'%s'", enumname.getString());
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getPrintableCharacter()") == 0 && coinev->isOfType(SoKeyboardEvent::getClassTypeId())) {
const SoKeyboardEvent * kbevent = coin_assert_cast<const SoKeyboardEvent *>(coinev);
char printable = kbevent->getPrintableCharacter();
PRIVATE(this)->varstring.sprintf("'%c'", printable);
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getButton()") == 0 && coinev->isOfType(SoMouseButtonEvent::getClassTypeId())) {
const SoMouseButtonEvent * mbevent = coin_assert_cast<const SoMouseButtonEvent *>(coinev);
SbString enumname;
SoMouseButtonEvent::enumToString(mbevent->getButton(), enumname);
PRIVATE(this)->varstring.sprintf("'%s'", enumname.getString());
return PRIVATE(this)->varstring.getString();
}
else if (strcmp(subkey, "getButton()") == 0 && coinev->isOfType(SoSpaceballButtonEvent::getClassTypeId())) {
const SoSpaceballButtonEvent * mbevent = coin_assert_cast<const SoSpaceballButtonEvent *>(coinev);
SbString enumname;
SoSpaceballButtonEvent::enumToString(mbevent->getButton(), enumname);
PRIVATE(this)->varstring.sprintf("'%s'", enumname.getString());
return PRIVATE(this)->varstring.getString();
}
// FIXME: x., .y, .z
else if (strcmp(subkey, "getTranslation()") == 0 && coinev->isOfType(SoMotion3Event::getClassTypeId())) {
const SoMotion3Event * m3event = coin_assert_cast<const SoMotion3Event *>(coinev);
SbVec3f translation = m3event->getTranslation();
PRIVATE(this)->varstring = SbStringConvert::toString(translation);
return PRIVATE(this)->varstring.getString();
}
// FIXME: .angle, .axis
else if (strcmp(subkey, "getRotation()") == 0 && coinev->isOfType(SoMotion3Event::getClassTypeId())) {
const SoMotion3Event * m3event = coin_assert_cast<const SoMotion3Event *>(coinev);
SbRotation rotation = m3event->getRotation();
PRIVATE(this)->varstring = SbStringConvert::toString(rotation);
return PRIVATE(this)->varstring.getString();
}
// FIXME: make this into a evaluator-level RayPick(SbVec2f) function instead
else if (strcmp(key + 7, "pickposition3") == 0) {
SbVec2s location2 = coinev->getPosition();
SoRayPickAction rpa(this->getViewportRegion());
rpa.setPoint(location2);
rpa.apply(this->getSceneGraphRoot());
SoPickedPoint * pp = rpa.getPickedPoint();
if (pp) {
SbVec3f pickpos = pp->getPoint();
PRIVATE(this)->varstring = SbStringConvert::toString(pickpos);
} else {
PRIVATE(this)->varstring.sprintf("FALSE"); // need a valid undefined-value
}
return PRIVATE(this)->varstring.getString();
}
}
}
else if (strncmp(key, "coin:", 5) == 0) {
const char * subkey = key + 5;
if (strncmp(subkey, "camera.", 7) == 0) {
SoCamera * camera = this->getActiveCamera();
if (!camera) {
SoDebugError::post("SoScXMLStateMachine::getVariable",
"queried for camera, but no camera is set.");
return NULL;
}
const char * detail = subkey + 7;
if (strcmp(detail, "getTypeId()") == 0) {
PRIVATE(this)->varstring.sprintf("'%s'", camera->getTypeId().getName().getString());
return PRIVATE(this)->varstring.getString();
}
}
// get generic field access working and intercept for more So-specific stuff
// coin:viewport
// coin:camera
// coin:scene
}
//else {
//}
// couldn't resolve the symbol - try parent class to get '_data' and other '_event'
// locations resolved
return inherited::getVariable(key);
}