///////////////////////////////////////////////////////////////////////
// Class : CXform
// Method : translate
// Description : Append a translation. Note that the last
// specified transformation is applied first
// Return Value : -
// Comments :
void CXform::translate(float dx,float dy,float dz) {
matrix tmp,tmp2;
translatem(tmp,-dx,-dy,-dz);
mulmm(tmp2,tmp,to);
movmm(to,tmp2);
translatem(tmp,dx,dy,dz);
mulmm(tmp2,from,tmp);
movmm(from,tmp2);
}
// Update the position matrices, and
// update the world-space bounding box and hotspots.
// This is called once whenever the gate's position
// or angle changes.
void guiGate::updateBBoxes(bool noUpdateWires) {
// Get the translation vars:
float x, y;
this->getGLcoords(x, y);
// Get the angle vars:
istringstream iss(gparams["angle"]);
GLfloat angle;
iss >> angle;
loadidentitym(mModel);
translatem(mModel, x, y);
rotatem(mModel, angle);
// Update all of the hotspots' world coordinates:
map< string, gateHotspot* >::iterator hs = hotspots.begin();
while(hs != hotspots.end()) {
(hs->second)->worldLocation = modelToWorld((hs->second)->modelLocation);
(hs->second)->calcBBox();
hs++;
}
// Convert bbox to world-space:
klsBBox worldBBox;
worldBBox.addPoint(modelToWorld( modelBBox.getTopLeft() ) );
worldBBox.addPoint(modelToWorld( modelBBox.getTopRight() ) );
worldBBox.addPoint(modelToWorld( modelBBox.getBottomLeft() ) );
worldBBox.addPoint(modelToWorld( modelBBox.getBottomRight()) );
this->setBBox(worldBBox);
// Update the connected wires' shapes to accomidate the new gate position:
map < string, guiWire* >::iterator connWalk = connections.begin();
while(!noUpdateWires && connWalk != connections.end()) {
(connWalk->second)->updateConnectionPos(this->getID(), connWalk->first);
connWalk++;
}
}
