void RibbonModule::updateMousePoints(float deltaTime)
{
for(int i = 0; i < pointsMouse.size(); i++){
pointsMouse[i].z += 0.18 * deltaTime;
}
ofVec3f sumOfAllPoints(0,0,0);
vector<ofVec3f>::iterator iter = pointsMouse.begin();
vector<ofColor>::iterator colorIter = pointsMouseColors.begin();
while (iter != pointsMouse.end())
{
if(iter->z > leftCamera.getFarClip() && iter->z > rightCamera.getFarClip())
{
iter = pointsMouse.erase(iter);
colorIter = pointsMouseColors.erase(colorIter);
}
else
{
sumOfAllPoints += *iter;
++iter;
++colorIter;
}
}
center = sumOfAllPoints / pointsMouse.size();
}
//--------------------------------------------------------------
void ofApp::update() {
//don't move the points if we are using the camera
if(!usecamera) {
ofVec3f sumOfAllPoints(0,0,0);
for(unsigned int i = 0; i < points.size(); i++) {
points[i].z -= 4;
sumOfAllPoints += points[i];
}
center = sumOfAllPoints / points.size();
}
}
//--------------------------------------------------------------
void testApp::update(){
//----ribbon
//don't move the points if we are using the camera
if(!usecamera){
ofVec3f sumOfAllPoints(0,0,0);
for(int i = 0; i < points.size(); i++){
points[i].z -= 4;
sumOfAllPoints += points[i];
}
center = sumOfAllPoints / points.size();
}
//----tracking
ofBackground(100,100,100);
bool bNewFrame = false;
#ifdef _USE_LIVE_VIDEO
vidGrabber.update();
bNewFrame = vidGrabber.isFrameNew();
#else
vidPlayer.update();
bNewFrame = vidPlayer.isFrameNew();
#endif
if (bNewFrame){
#ifdef _USE_LIVE_VIDEO
colorImg.setFromPixels(vidGrabber.getPixels(), 320,240);
#else
colorImg.setFromPixels(vidPlayer.getPixels(), 320,240);
#endif
grayImage = colorImg;
if (bLearnBakground == true){
grayBg = grayImage; // the = sign copys the pixels from grayImage into grayBg (operator overloading)
bLearnBakground = false;
}
// take the abs value of the difference between background and incoming and then threshold:
grayDiff.absDiff(grayBg, grayImage);
grayDiff.threshold(threshold);
// find contours which are between the size of 20 pixels and 1/3 the w*h pixels.
// also, find holes is set to true so we will get interior contours as well....
contourFinder.findContours(grayDiff, 20, (340*240)/3, 10, true); // find holes
}
}
//--------------------------------------------------------------
void ofApp::update(){
//don't move the points if we are using the camera
if(!usecamera){
ofVec3f sumOfAllPoints(0,0,0);
for(unsigned int i = 0; i < points.size(); i++){
points[i].z -= 50;
sumOfAllPoints += points[i];
}
while (points.size()>100) {
points.erase(points.begin());
}
center = sumOfAllPoints / points.size();
camera.setPosition(mouseX,mouseY,0);
camera.lookAt(ofVec3f(mouseX,mouseY,0));
light.setPosition(ofVec3f(mouseX,mouseY,0));
}
}