void SoColorShape::compute() {
enableNotify(false);
// alles schoen auf nichts zurücksetzen
if (_vertexPropArray) { delete[] _vertexPropArray; _vertexPropArray = 0; }
if (_sizeCoordinate3) { delete[] _sizeCoordinate3; _sizeCoordinate3 = 0; }
if (_vertexSet) {
for (int index = 0; index < (_extentX * _extentY * _extentZ); index++)
_vertexSet[index].clear();
delete[] _vertexSet;
_vertexSet = 0;
}
if (_triangleSet) {
for (int index = 0; index < (_extentX * _extentY * _extentZ); index++)
_triangleSet[index].clear();
delete[] _triangleSet;
_triangleSet = 0;
}
if (_edgeSet) {
for (int index = 0; index < (_extentX * _extentY * _extentZ); index++)
_edgeSet[index].clear();
delete[] _edgeSet;
_edgeSet = 0;
}
removeAllChildren();
if (input.getValue() != 0) {
// Bounding Box bestimmen
SoComputeBoundingBox* bbact = new SoComputeBoundingBox;
SoTranslation *min = new SoTranslation, *max = new SoTranslation;
min->ref(); max->ref();
bbact->ref();
bbact->node = input.getValue();
min->translation.connectFrom(&bbact->min);
max->translation.connectFrom(&bbact->max);
SbBox3f bBox(min->translation.getValue(), max->translation.getValue());
min->unref(), max->unref();
bbact->unref();
// Eingang hat sich geändert
if (!bBox.isEmpty()) {
// Array fuer _edgeSet und _triangleSet set-Instanzen initialisieren
float xSize, ySize, zSize;
bBox.getSize(xSize, ySize, zSize);
_offSet = bBox.getMin();
_extentX = xSize / (float) HASH_PARTITION + 1;
_extentY = ySize / (float) HASH_PARTITION + 1;
_extentZ = zSize / (float) HASH_PARTITION + 1;
_vertexSet = new std::set<Vertex*, ltVertex>[_extentX * _extentY * _extentZ];
_edgeSet = new std::set<Edge*, ltEdge >[_extentX * _extentY * _extentZ];
_triangleSet = new std::set<Triangle* >[_extentX * _extentY * _extentZ];
_vertexPropArray = new SoVertexProperty*[_extentX * _extentY * _extentZ];
int index = 0;
for (index = 0; index < (_extentX * _extentY * _extentZ); index++)
_vertexPropArray[index] = 0;
_sizeCoordinate3 = new int[_extentX * _extentY * _extentZ];
for (index = 0; index < (_extentX * _extentY * _extentZ); index++)
_sizeCoordinate3[index] = -1;
// Dreiecke aufsammeln
_myAction->apply(input.getValue());
// SoIndexedTriangleStripSet erstellen
generateITSS();
}
}
enableNotify(true);
touch();
}
