void TuioBlob::update (TuioTime ttime, float xp, float yp, float a, float w, float h, float f) { TuioPoint lastPoint = path.back(); TuioContainer::update(ttime,xp,yp); TuioTime diffTime = currentTime - lastPoint.getTuioTime(); float dt = diffTime.getTotalMilliseconds()/1000.0f; float last_rotation_speed = rotation_speed; float prev_angle = angle_sum; float da = a-angle; if (da > M_PI/2.0f) angle_sum += (da-2*M_PI); else if (da < M_PI/-2.0f) angle_sum += (da+2*M_PI); else angle_sum += da; if (angleFilter) angle_sum = angleFilter->filter(angle_sum,dt); if (fabs(angle_sum-prev_angle)<angleThreshold) angle_sum = prev_angle; int m = floor(angle_sum/(2*M_PI)); angle = angle_sum-(m*(2*M_PI)); da = (angle-a)/(2*M_PI); if (da > 0.75f) da-=1.0f; else if (da < -0.75f) da+=1.0f; if (widthFilter && heightFilter) { w = widthFilter->filter(w,dt); h = heightFilter->filter(h,dt); } float dw = fabs(width - w); float dh = fabs(height - h); if ((dw>sizeThreshold) || (dh>sizeThreshold)) { width = w; height = h; } area = f; rotation_speed = (float)da/dt; rotation_accel = (rotation_speed - last_rotation_speed)/dt; if ((rotation_accel!=0) && (state==TUIO_STOPPED)) state = TUIO_ROTATING; }
void TuioObject::update (TuioTime ttime, float xp, float yp, float a) { TuioPoint lastPoint = path.back(); TuioContainer::update(ttime,xp,yp); TuioTime diffTime = currentTime - lastPoint.getTuioTime(); float dt = diffTime.getTotalMilliseconds()/1000.0f; float last_angle = angle; float last_rotation_speed = rotation_speed; angle = a; double da = (angle-last_angle)/(2*M_PI); if (da > 0.75f) da-=1.0f; else if (da < -0.75f) da+=1.0f; rotation_speed = (float)da/dt; rotation_accel = (rotation_speed - last_rotation_speed)/dt; if ((rotation_accel!=0) && (state==TUIO_STOPPED)) state = TUIO_ROTATING; }
void TuioContainer::update (TuioTime ttime, float xp, float yp) { TuioPoint lastPoint = path.back(); TuioPoint::update(ttime,xp, yp); TuioTime diffTime = currentTime - lastPoint.getTuioTime(); float dt = diffTime.getTotalMilliseconds()/1000.0f; float dx = xpos - lastPoint.getX(); float dy = ypos - lastPoint.getY(); float dist = sqrt(dx*dx+dy*dy); float last_motion_speed = motion_speed; x_speed = dx/dt; y_speed = dy/dt; motion_speed = dist/dt; motion_accel = (motion_speed - last_motion_speed)/dt; TuioPoint p(currentTime,xpos,ypos); path.push_back(p); if (motion_accel>0) state = TUIO_ACCELERATING; else if (motion_accel<0) state = TUIO_DECELERATING; else state = TUIO_STOPPED; }