/* Create Ball Object (points & springs) */
void CreateBall(void) {
int i;
for(i=1 ; i <= NUMP ; ++i) // create points
{
myPoints[i].x = BALLRADIUS * sin( i * (2.0 * 3.14) / NUMP );
myPoints[i].y = BALLRADIUS * cos(i * (2.0 * 3.14) / NUMP ) + SCRSIZE/2;
}
for(i=1 ; i <= NUMP ; ++i) // create springs
AddSpring(i,i,i+1);
AddSpring(i-1,i-1,1);
}
//*************************************************************************************
// Creates Clothes Data Structure for an object.
//*************************************************************************************
void EERIEOBJECT_AddClothesData(EERIE_3DOBJ * obj) {
long sel = -1;
long selmounocol = -1;
for(size_t i = 0; i < obj->selections.size(); i++) { // TODO iterator
if(obj->selections[i].name == "mou") {
sel = i;
break;
}
}
for(size_t i = 0; i < obj->selections.size(); i++) { // TODO iterator
if(obj->selections[i].name == "mounocol") {
selmounocol = i;
break;
}
}
if(sel == -1)
return;
if(obj->selections[sel].selected.size() > 0) {
obj->cdata = new CLOTHES_DATA();
obj->cdata->nb_cvert = (short)obj->selections[sel].selected.size();
obj->cdata->cvert = new CLOTHESVERTEX[obj->cdata->nb_cvert];
memset(obj->cdata->cvert, 0, sizeof(CLOTHESVERTEX)*obj->cdata->nb_cvert);
obj->cdata->backup = new CLOTHESVERTEX[obj->cdata->nb_cvert];
memset(obj->cdata->backup, 0, sizeof(CLOTHESVERTEX)*obj->cdata->nb_cvert);
}
// There is a Mollesse (TM) (C) Selection
if(obj->selections[sel].selected.size() > 0) {
for(int i = 0; i < obj->cdata->nb_cvert; i++) {
obj->cdata->cvert[i].idx = (short)obj->selections[sel].selected[i];
obj->cdata->cvert[i].pos = obj->vertexlist[obj->cdata->cvert[i].idx].v;
obj->cdata->cvert[i].t_pos = obj->vertexlist[obj->cdata->cvert[i].idx].v;
obj->cdata->cvert[i].mass = 0.5f;
if(selmounocol != -1 && IsInSelection(obj, obj->selections[sel].selected[i], selmounocol) >= 0) {
obj->cdata->cvert[i].flags = CLOTHES_FLAG_NORMAL | CLOTHES_FLAG_NOCOL;
} else {
obj->cdata->cvert[i].flags = CLOTHES_FLAG_NORMAL;
}
obj->cdata->cvert[i].coll = -1;
}
for(int i = 0; i < obj->cdata->nb_cvert; i++) {
for(long j = 0; j < obj->ndata[obj->cdata->cvert[i].idx].nb_Nvertex; j++) {
short vert = obj->ndata[obj->cdata->cvert[i].idx].Nvertex[j];
if(IsInSelection(obj, vert, sel) >= 0) {
AddSpring(obj, (short)i, (short)GetIDXVert(obj, vert), 11.f, 0.3f, 0);
} else {
obj->cdata->cvert[i].flags |= CLOTHES_FLAG_FIX;
obj->cdata->cvert[i].coll = -2;
obj->cdata->cvert[i].mass = 0.f;
}
}
}
// Adds more springs (shear)
for(int i = 0; i < obj->cdata->nb_cvert; i++) {
for(long j = 0; j < obj->ndata[obj->cdata->cvert[i].idx].nb_Nvertex; j++) {
short vert = obj->ndata[obj->cdata->cvert[i].idx].Nvertex[j];
if(vert == obj->cdata->cvert[i].idx)
continue; // Cannot add a spring between 1 node :p
if(IsInSelection(obj, vert, sel) >= 0) {
float distance = glm::distance2(obj->vertexlist[obj->cdata->cvert[i].idx].v,
obj->vertexlist[vert].v) * square(1.2f);
// We springed it in the previous part of code
for(long k = 0; k < obj->ndata[vert].nb_Nvertex; k++) {
short ver = obj->ndata[vert].Nvertex[k];
if(IsInSelection(obj, ver, sel) >= 0) { // This time we have one !
if(ver == obj->cdata->cvert[i].idx)
continue;
float distance2 = glm::distance2(obj->vertexlist[obj->cdata->cvert[i].idx].v,
obj->vertexlist[ver].v);
if(distance2 < distance) {
AddSpring(obj, (short)i, (short)GetIDXVert(obj, ver), 4.2f, 0.7f, 1);
}
}
}
}
}
}
// Adds more springs (bend)
for(int i = 0; i < obj->cdata->nb_cvert; i++) {
for(long j = 0; j < obj->ndata[obj->cdata->cvert[i].idx].nb_Nvertex; j++) {
short vert = obj->ndata[obj->cdata->cvert[i].idx].Nvertex[j];
if(vert == obj->cdata->cvert[i].idx)
continue; // Cannot add a spring between 1 node :p
if(IsInSelection(obj, vert, sel) >= 0) {
// We springed it in the previous part of code
for(long k = 0; k < obj->ndata[vert].nb_Nvertex; k++) {
short ver = obj->ndata[vert].Nvertex[k];
if(IsInSelection(obj, ver, sel) >= 0) { // This time we have one !
float distance = glm::distance2(obj->vertexlist[obj->cdata->cvert[i].idx].v,
obj->vertexlist[ver].v) * square(1.2f);
for(long k2 = 0; k2 < obj->ndata[ver].nb_Nvertex; k2++) {
short ve = obj->ndata[ver].Nvertex[k];
if(ve == vert)
continue;
if(IsInSelection(obj, ve, sel) >= 0) { // This time we have one !
if(obj->cdata->cvert[(short)GetIDXVert(obj, ve)].flags & CLOTHES_FLAG_FIX)
continue;
float distance2 = glm::distance2(obj->vertexlist[obj->cdata->cvert[i].idx].v,
obj->vertexlist[ve].v);
if(distance2 > distance && distance2 < distance * square(2.f)) {
AddSpring(obj, (short)i, (short)GetIDXVert(obj, ve), 2.2f, 0.9f, 2);
}
}
}
}
}
}
}
}
}
}
bool CSubmeshCandidate::CalculateSpringSystem()
{
// loop through all the vertex candidates of the submesh candidate
unsigned int vertexId;
for(vertexId = 0; vertexId < m_vectorVertexCandidate.size(); vertexId++)
{
// start from the current vertex candidate
std::set<int> setNeighbour;
setNeighbour.insert(vertexId);
// get all the neighbours of the current vertex candidate up to the given level
int levelId;
for(levelId = 0; levelId < 2; levelId++)
{
std::set<int> setNeighbourNeighbour;
std::set<int>::iterator iteratorNeighbour;
for(iteratorNeighbour = setNeighbour.begin(); iteratorNeighbour != setNeighbour.end(); ++iteratorNeighbour)
{
std::set<int>::iterator iteratorNeighbourNeighbour;
for(iteratorNeighbourNeighbour = m_vectorVertexCandidate[*iteratorNeighbour]->GetSetNeighbour().begin(); iteratorNeighbourNeighbour != m_vectorVertexCandidate[*iteratorNeighbour]->GetSetNeighbour().end(); ++iteratorNeighbourNeighbour)
{
setNeighbourNeighbour.insert(*iteratorNeighbourNeighbour);
}
}
for(iteratorNeighbour = setNeighbourNeighbour.begin(); iteratorNeighbour != setNeighbourNeighbour.end(); ++iteratorNeighbour)
{
setNeighbour.insert(*iteratorNeighbour);
}
}
// add springs to all these neighbours
std::set<int>::iterator iteratorNeighbour;
for(iteratorNeighbour = setNeighbour.begin(); iteratorNeighbour != setNeighbour.end(); ++iteratorNeighbour)
{
AddSpring(vertexId, *iteratorNeighbour);
}
}
/* OLD VERSION
// loop through all the faces of the submesh candidate
int faceId;
for(faceId = 0; faceId < m_vectorFace.size(); faceId++)
{
// get the face
Face& face = m_vectorFace[faceId];
// add all edges to the spring system as springs
AddSpring(face.vertexId[0], face.vertexId[1]);
AddSpring(face.vertexId[1], face.vertexId[2]);
AddSpring(face.vertexId[2], face.vertexId[0]);
}
*/
// loop until we have a stable system
bool bModified;
do
{
// clear the modification flag
bModified = false;
// loop through all the springs of the submesh candidate
unsigned int springId;
for(springId = 0; springId < m_vectorSpring.size(); springId++)
{
// get the spring
Spring& spring = m_vectorSpring[springId];
// adjust the two vertices connected to the spring
bModified |= AdjustSpringVertex(spring.vertexId[0], spring.vertexId[1]);
bModified |= AdjustSpringVertex(spring.vertexId[1], spring.vertexId[0]);
}
} while(bModified);
// loop through all the springs of the submesh candidate
unsigned int springId;
for(springId = 0; springId < m_vectorSpring.size(); springId++)
{
// get the spring
Spring& spring = m_vectorSpring[springId];
// get the physical properties of the two spring vertices
CVertexCandidate::PhysicalProperty physicalProperty[2];
m_vectorVertexCandidate[spring.vertexId[0]]->GetPhysicalProperty(physicalProperty[0]);
m_vectorVertexCandidate[spring.vertexId[1]]->GetPhysicalProperty(physicalProperty[1]);
spring.priority = (physicalProperty[0].constraintDistance < physicalProperty[1].constraintDistance) ? physicalProperty[0].constraintDistance : physicalProperty[1].constraintDistance;
}
// sort the springs
std::sort(m_vectorSpring.begin(), m_vectorSpring.end(), SpringCompare);
/* DEBUG
for(springId = 0; springId < m_vectorSpring.size(); springId++)
{
// get the spring
Spring& spring = m_vectorSpring[springId];
CString str;
str.Format("spring %d: priority: %d, %d <-> %d\n", springId, spring.priority, spring.vertexId[0], spring.vertexId[1]);
OutputDebugString(str);
}
*/
return true;
}
