static void DrawPointSet(PointSetNode *pointSet)
{
CoordinateNode *coordinate = pointSet->getCoordinateNodes();
if (!coordinate)
return;
NormalNode *normal = pointSet->getNormalNodes();
ColorNode *color = pointSet->getColorNodes();
float vpoint[3];
float pcolor[3];
glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_POINTS);
int nCoordinatePoint = coordinate->getNPoints();
for (int n=0; n<nCoordinatePoint; n++) {
if (color) {
color->getColor(n, pcolor);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, pcolor);
// glColor3fv(pcolor);
}
coordinate->getPoint(n, vpoint);
glVertex3fv(vpoint);
}
glEnd();
}
void PointSetNode::recomputeBoundingBox()
{
CoordinateNode *coordinate = getCoordinateNodes();
if (!coordinate) {
setBoundingBoxCenter(0.0f, 0.0f, 0.0f);
setBoundingBoxSize(-1.0f, -1.0f, -1.0f);
return;
}
BoundingBox bbox;
float point[3];
int nCoordinatePoints = coordinate->getNPoints();
for (int n=0; n<nCoordinatePoints; n++) {
coordinate->getPoint(n, point);
bbox.addPoint(point);
}
setBoundingBox(&bbox);
}
int ColModel::add_triangles_face(TransformNode* tnode, IndexedFaceSetNode* inode)
{
CoordinateNode* cnode = inode->getCoordinateNodes();
if(!cnode) return -1;
int n_my_vertex = cnode->getNPoints();
int n_index = inode->getNCoordIndexes();
if(n_my_vertex == 0 || n_index == 0) return 0;
int i;
int vertex_id_base = n_vertex;
n_vertex += n_my_vertex;
// reallocate memory for saving vertices and save current vertices
#if 1
fVec3* tmp_vertices = vertices;
vertices = new fVec3 [n_vertex];
if(tmp_vertices)
{
for(i=0; i<vertex_id_base; i++)
vertices[i].set(tmp_vertices[i]);
delete[] tmp_vertices;
}
#else
fVec3* tmp_vertices = 0;
if(vertices)
{
tmp_vertices = new fVec3 [vertex_id_base];
for(i=0; i<vertex_id_base; i++)
tmp_vertices[i].set(vertices[i]);
delete[] vertices;
}
vertices = new fVec3 [n_vertex];
for(i=0; i<vertex_id_base; i++)
vertices[i].set(tmp_vertices[i]);
if(tmp_vertices) delete[] tmp_vertices;
#endif
float fp[3];
for(i=0; i<n_my_vertex; i++)
{
cnode->getPoint(i, fp);
vertices[i+vertex_id_base](0) = fp[0];
vertices[i+vertex_id_base](1) = fp[1];
vertices[i+vertex_id_base](2) = fp[2];
apply_all_transforms(tnode, (Node*)cnode, vertices[i+vertex_id_base]);
}
// process polygons (all changed to ccw)
int ccw = inode->getCCW();
for(i=0; i<n_index; i++)
{
int c1, c2, c3;
c1 = inode->getCoordIndex(i);
i++;
while( (c2 = inode->getCoordIndex(i)) != -1 &&
(c3 = inode->getCoordIndex(i+1)) != -1 )
{
TriangleInfo* ti = 0;
if(ccw) ti = new TriangleInfo(c1+vertex_id_base, c2+vertex_id_base, c3+vertex_id_base);
else ti = new TriangleInfo(c1+vertex_id_base, c3+vertex_id_base, c2+vertex_id_base);
triangles.append(ti);
n_triangle++;
i++;
}
i += 1;
}
return 0;
}