// sets j, k, n, o, p, r, s to the next permutation
// returns true until the permutations run out then returns false
bool next_permutation(void)
{
for (int x = 6; x >= 0; x--) {
indices[x]++;
if (indices[x] == 19) {
if (!x) {
return false;
}
moveback(x, 18);
indices[x] = x;
continue;
}
swap(x, indices[x]);
break;
}
j = elem[0];
k = elem[1];
n = elem[2];
o = elem[3];
p = elem[4];
r = elem[5];
s = elem[6];
return true;
}
int SundayMatcher(char *T, char *P)
{
int TLen, PLen, pos;
if (NULL == P)
return 0;
if (NULL == T)
return -1;
TLen = strlen(T);
PLen = strlen(P);
if (0 == PLen)
return 0;
pos = 0;
while (pos <=TLen-PLen)
{
if (strncmp(T + pos, P, PLen))
{
if (pos == TLen - PLen)
return -1;
pos += moveback(P, PLen, T[pos + PLen]);
}
else
return pos;
}
return -1;
}
//--------------------------------------------------------------
void ofApp::update(){
ofSetWindowTitle(ofToString(ofGetFrameRate()) + " fps");
if ( keyAnimate ) {
for (int i = 0 ; i < maxfltPtlNum; ++i) {
fltPtlPos[i] = fltPtlPos[i] + fltPtlSpeed[i];
if (fltPtlPos[i].distance(winCen) < enterThread) {
//startsearch Index to cut the unnecessary compare;
cutNumEst = 0.23 * 4 * pow(enterThread/(maxfltRadius + minfltRadius), 2); //the estimated number to cut;
if (aggPtlPos.size() > (int)cutNumEst) {
cutIndex = int(0.55 * cutNumEst);
for (int j = cutIndex; j < aggPtlPos.size() ; ++j) {
float distCompare =aggPtlRadius[j] + fltPtlRadius[i];
if (fltPtlPos[i].distance(aggPtlPos[j]) < distCompare) {
indexHit = i;
//move floating particle back to avoid overlapping/ control overlaping gap
fltPtlPos[i] = moveback(fltPtlPos[i], aggPtlPos[j], aggPtlRadius[j], fltPtlRadius[i]);
ofFloatColor tempMeshCol;
tempMeshCol.setHsb(ofMap(j, 0, maxAggPtlNum, 0.0f, 1.f) , 0.8, 0.95);
dlaMesh.addVertex(aggPtlPos[j]);
dlaMesh.addColor(tempMeshCol);
dlaMesh.addVertex(fltPtlPos[i]);
dlaMesh.addColor(tempMeshCol);
float fixedDis = fltPtlPos[i].distance(winCen);
if (fixedDis > enterThread) {
enterThread = 2.2 * maxfltRadius + fixedDis;
}
aggPtlPos.push_back( fltPtlPos[i] );
aggPtlRadius.push_back( fltPtlRadius[i] );
//regenerate pos and radius
fltPtlresetbyIndex(i);
if (aggPtlPos.size() > maxAggPtlNum) {
keyAnimate = false;
}
}else if (fltPtlPos[i].distance(winCen) > maxGenRadius){
fltPtlresetbyIndex(i);
}
}
}else{
for (int j = 0; j < aggPtlPos.size() ; ++j) {
float distCompare =aggPtlRadius[j] + fltPtlRadius[i];
if (fltPtlPos[i].distance(aggPtlPos[j]) < distCompare) {
indexHit = i;
//move floating particle back to avoid overlapping/ control overlaping gap
fltPtlPos[i] = moveback(fltPtlPos[i], aggPtlPos[j], aggPtlRadius[j], fltPtlRadius[i]);
ofFloatColor tempMeshCol;
tempMeshCol.setHsb(ofMap(j, 0, maxAggPtlNum, 0.0f, 1.f) , 0.8, 0.95);
dlaMesh.addVertex(aggPtlPos[j]);
dlaMesh.addColor(tempMeshCol);
dlaMesh.addVertex(fltPtlPos[i]);
dlaMesh.addColor(tempMeshCol);
float fixedDis = fltPtlPos[i].distance(winCen);
if (fixedDis > enterThread) {
enterThread = 2.2 * maxfltRadius + fixedDis;
}
aggPtlPos.push_back( fltPtlPos[i] );
aggPtlRadius.push_back( fltPtlRadius[i] );
//regenerate pos and radius
fltPtlresetbyIndex(i);
if (aggPtlPos.size() > maxAggPtlNum) {
keyAnimate = false;
}
}else if (fltPtlPos[i].distance(winCen) > maxGenRadius){
fltPtlresetbyIndex(i);
}
}
}
}
}
}
if (autoZoom) {
camDist = ofMap(aggPtlPos.size(), 500, 1000+1.5*aggPtlPos.size(), 500, 2000);
topCam.setDistance(camDist);
}
}
