// needs improvement. right now it just looks for the biggest cross product
void approximatePlane(const vector<ofVec3f>& points, int iterations, ofVec3f& center, ofVec3f& normal)
{
int n = points.size();
for(int i = 0; i < n; i++)
{
center += points[i];
}
center /= n;
float maxLength = 0;
for(int i = 0; i < n; i++)
{
ofVec3f side1 = points[i] - center;
for(int j = i + 1; j < n; j++)
{
ofVec3f side2 = points[j] - center;
ofVec3f curNormal = side1.getCrossed(side2);
if(curNormal.z < 0) {
curNormal *= -1;
}
float length = curNormal.length();
if(length > maxLength)
{
normal = curNormal;
maxLength = length;
}
}
}
normal.normalize();
}
//--------------------------------------------------------------
void rotateToNormal(ofVec3f normal) {
normal.normalize();
float rotationAmount;
ofVec3f rotationAngle;
ofQuaternion rotation;
ofVec3f axis(0, 0, 1);
rotation.makeRotate(axis, normal);
rotation.getRotate(rotationAmount, rotationAngle);
ofRotateDeg(rotationAmount, rotationAngle.x, rotationAngle.y, rotationAngle.z);
}
void Graphics2552::rotateToNormal(ofVec3f normal) {
normal.normalize();
float rotationAmount;
ofVec3f rotationAngle;
ofQuaternion rotation;
ofVec3f axis(0, 0, 1);
rotation.makeRotate(axis, normal);
rotation.getRotate(rotationAmount, rotationAngle);
logVerbose("ofRotate " + ofToString(rotationAmount));
ofRotate(rotationAmount, rotationAngle.x, rotationAngle.y, rotationAngle.z);
}
//--------------------------------------------------
void ofPolyline::calcData(int index, ofVec3f &tangent, float &angle, ofVec3f &rotation, ofVec3f &normal) const {
int i1 = getWrappedIndex(index - 1);
int i2 = getWrappedIndex(index);
int i3 = getWrappedIndex(index + 1);
ofPoint p1(points[i1]);
ofPoint p2(points[i2]);
ofPoint p3(points[i3]);
ofVec3f v1(p1 - p2); // vector to previous point
ofVec3f v2(p3 - p2); // vector to next point
v1.normalize();
v2.normalize();
tangent = (v2 - v1);
tangent.normalize();
rotation = v1.getCrossed(v2);
angle = 180 - ofRadToDeg(acos(ofClamp(v1.x * v2.x + v1.y * v2.y + v1.z * v2.z, -1, 1)));
normal = rightVector.getCrossed(tangent);
normal.normalize();
}
Boid::Boid(ofVec3f pos, ofVec3f vel, radomeModel* pMod) {
position = pos;
velocity = vel;
velocity = vel.normalize();
acceleration = ofVec3f(0,0,0);
neighborPosition = ofVec3f(0,0,0);
numNeighbors = 0;
decay = 0.99;
crowdFactor = 1.0;
speedRange = ofVec2f(ofRandom(1.0, 1.5), ofRandom(2.5, 4.0));
speedRangeSquared = ofVec2f(speedRange[0] * speedRange[0], speedRange[1] * speedRange[1]);
pModel = pMod;
}
//--------------------------------------------------------------
void DeviceNode::createChain(ofVec3f ptAttach, ofVec3f dir)
{
if (mp_device)
{
// Physics setup
physics.clear();
physics.setGravity(ofVec3f(0, -0.00075, 0));
// Normalize
dir.normalize();
ofVec3f posLed = ptAttach;
msa::physics::Particle3D* prev=0;
for (int i=0; i<mp_device->getNbLEDs(); i++ )
{
// Create particles
msa::physics::Particle3D *p = physics.makeParticle(posLed,0.0025f);
// Attach first one
if (i==0)
p->makeFixed();
// Spring
if (prev){
msa::physics::Spring3D* sp = physics.makeSpring(prev, p, 1.0f, mp_device->getDistLEDs());
sp->setForceCap(1.0f);
}
prev = p;
posLed += mp_device->getDistLEDs() * dir;
//printf("mp_device->getDistLEDs()=%.3f\n", mp_device->getDistLEDs());
}
if (prev)
prev->makeFixed();
}
}
ofVec3f Player::moveToNextVert(ofVec3f gPoint, float dist){
ofVec3f ng = gPoint.normalize();
float dotX = ng.dot(ofVec3f(1.0, 0.0, 0.0));
float dotY = ng.dot(ofVec3f(0.0, 1.0, 0.0));
playerMoved = true;
turn.clear();
if(dotX > 0.0 && dotY > 0.0)
{
// 1st quadrant
ofLog() << "1st quadrant";
zRotDeg = 45.0;
gameObject.setOrientation(ofVec3f(0.0, 0.0, 45.0));
}
else if(dotX < 0.0 && dotY > 0.0)
{
// 2nd quadrant
ofLog() << "2nd quadrant";
zRotDeg = 45.0+90.0;
gameObject.setOrientation(ofVec3f(0.0, 0.0, 45.0+90.0));
}
else if(dotX < 0.0 && dotY < 0.0)
{
// 3rd quadrant
ofLog() << "3rd quadrant";
zRotDeg = 180.0 + 45.0;
gameObject.setOrientation(ofVec3f(0.0, 0.0, 180.0 + 45.0));
}
else if(dotX > 0.0 && dotY < 0.0)
{
// 4th quadrant
ofLog() << "4th quadrant";
zRotDeg = 270.0 + 45.0;
gameObject.setOrientation(ofVec3f(0.0, 0.0, 270.0 + 45.0));
}
ofVec3f to = gameObject.getGlobalPosition() + (gameObject.getXAxis() * dist);
ofLog() << "to: " << to;
if(grid->checkMoveToPoint(gameObject.getGlobalPosition(), to))
{
ofLog() << "direction open";
slide.addKeyFrame(Playlist::Action::tween(0.0f, 400.0f, &gPosX, to.x,
Playlist::TweenType::TWEEN_QUART , TweenTransition::TWEEN_EASE_IN_OUT));
slide.addToKeyFrame(Playlist::Action::tween(0.0f, 400.0f, &gPosY, to.y,
Playlist::TweenType::TWEEN_QUART , TweenTransition::TWEEN_EASE_IN_OUT));
return to;
}
else
{
to = gameObject.getGlobalPosition() + (gameObject.getXAxis() * (dist/2.0f));
ofLog() << "direction blocked";
slide.addKeyFrame(Playlist::Action::tween(0.0f, 200.0f, &gPosX, to.x,
Playlist::TweenType::TWEEN_QUART, TweenTransition::TWEEN_EASE_IN_OUT));
slide.addToKeyFrame(Playlist::Action::tween(0.0f, 200.0f, &gPosY, to.y,
Playlist::TweenType::TWEEN_QUART, TweenTransition::TWEEN_EASE_IN_OUT));
slide.addToKeyFrame(Playlist::Action::tween(200.0f, 200.0f, &gPosX, gameObject.getGlobalPosition().x,
Playlist::TweenType::TWEEN_QUART, TweenTransition::TWEEN_EASE_IN_OUT));
slide.addToKeyFrame(Playlist::Action::tween(200.0f, 200.0f, &gPosY, gameObject.getGlobalPosition().y,
Playlist::TweenType::TWEEN_QUART, TweenTransition::TWEEN_EASE_IN_OUT));
return gameObject.getGlobalPosition();
}
// player anim call
}
//--------------------------------------------------------------
void ofxFatLine::pushNewVertex(ofVec3f v, ofVec3f p, ofVec3f r1, ofVec3f r2, float maxLength, int index, float cos, bool bFlipped){
ofFloatColor c(colors[index]);
c.a =0;
if (cos == 0){
cos = FLT_EPSILON;
}
r1.normalize();
r2.normalize();
bool bAligned = false;
if (abs(cos) == 1) {
bAligned = true;
p = r1;
}
cos = 1/cos;
midVectors.push_back(p);
if (bFlipped) {
p *=-1;
}
flippepMidVectors.push_back(p);
if (bAligned) {
cout << "vertexAligned" << endl;
pushNewAnchors(v, p*-1, colors[index], weights[index], feathering, true);
pushNewAnchor(v, colors[index]);
pushNewAnchors(v, p, colors[index], weights[index], feathering, false);
if (index != 0) {
if (meshVertices.size() >5) {
for (int i = meshVertices.size()-4; i<meshVertices.size(); i++) {
pushQuadIndices(i);
}
}
}
}else{
if (midVectors.back().dot(r1)>0) {
r1 *=-1;
}
if (midVectors.back().dot(r2)>0) {
r2 *=-1;
}
float midLength = weights[index]*cos;
if (midLength > maxLength) {
midLength = maxLength;
}
if (bFlipped) {
pushNewAnchors(v, r1, colors[index], weights[index], feathering, !bFlipped);
pushNewAnchors(v, midVectors.back(), colors[index], midLength, feathering*cos, bFlipped);
pushNewAnchor(v, colors[index]);
pushNewAnchors(v, r2, colors[index], weights[index], feathering, !bFlipped);
}else{
pushNewAnchors(v, r1, colors[index], weights[index], feathering, !bFlipped);
pushNewAnchors(v, r2, colors[index], weights[index], feathering, !bFlipped);
pushNewAnchor(v, colors[index]);
pushNewAnchors(v, midVectors.back(), colors[index], midLength, feathering*cos, bFlipped);
}
int l = meshVertices.size();
if (l >11) {
if (bFlipped) {
pushQuadIndices(l - 12, l -11, l - 5, l - 4);
pushQuadIndices(l - 11, l -10, l - 4, l - 3);
pushQuadIndices(l - 10, l - 9, l - 3, l - 7);
pushQuadIndices(l - 9, l - 8, l - 7, l - 6);
}else{
pushQuadIndices(l - 12, l -11, l - 7, l - 6);
pushQuadIndices(l - 11, l -10, l - 6, l - 3);
pushQuadIndices(l - 10, l - 9, l - 3, l - 2);
pushQuadIndices(l - 9, l - 8, l - 2, l - 1);
}
}
updateJoint(index,bFlipped);
}
/*
ofVec3f pp = p * 50 * cos;
ofVec3f pa = pp + p * 2 * cos;
meshVertices.push_back(pa + v);
meshColors.push_back(c);
meshVertices.push_back(pp + v);
meshColors.push_back(colors[index]);
meshVertices.push_back(v);
meshColors.push_back(colors[index]);
meshVertices.push_back(v - pp);
meshColors.push_back(colors[index]);
meshVertices.push_back(v - pa);
meshColors.push_back(c);
if (meshVertices.size() >5) {
for (int i = meshVertices.size()-4; i<meshVertices.size(); i++) {
pushQuadIndices(i);
}
}
//*/
}