void Animation::deleteKeyFrame(int jointNumber,int frameNum)
{
// frames should always be current frame, but better play safe for future enhancements
setFrame(frameNum);
if(jointNumber)
{
BVHNode* joint=getNode(jointNumber);
if(joint->isKeyframe(frameNum)) deleteKeyFrame(joint,frameNum);
}
else if(isKeyFrame()) deleteKeyFrameAllJoints();
// tell main class that the keyframe has changed
emit currentFrame(frameNum);
}
// returns TRUE if frame is now a keyframe for entire animation, FALSE if not
bool Animation::toggleKeyFrameAllJoints()
{
if(frame==0)
return true; // first frame will always stay keyframe
if(isKeyFrame())
{
deleteKeyFrameAllJoints();
return false;
}
else
{
addKeyFrameAllJoints();
return true;
}
}
void NiAnimation::updateSkeletonAnimation(xn::UserGenerator &user_generator)
{
XnUInt16 num_users = MAX_USERS;
user_generator.GetUsers(all_users, num_users);
// tracking only default (first) person
if (!user_generator.GetSkeletonCap().IsTracking(DEFAULT_USER)) return;
// POSITION
// animik: x,y,z € <-196, 196>
XnSkeletonJointPosition torso;
user_generator.GetSkeletonCap().GetSkeletonJointPosition(all_users[0], XN_SKEL_TORSO, torso);
if (torso.fConfidence == 1) setPosition(torso.position.X*MM0, torso.position.Y*MM0+40, 150-torso.position.Z*MM0);
// ROTATION
double x, y, z, tx, ty, tz;
// hip -> abdomen -> chest -> ...
if (calculateRotation(user_generator, XN_SKEL_LEFT_HIP, tx, ty, tz, MM1) &&
calculateRotation(user_generator, XN_SKEL_RIGHT_HIP, x, y, z, MM1))
setRotation(getNodeByName("hip"), (x+tx)/2, (y+ty)/2, (z+tz)/2);
if (calculateRotation(user_generator, XN_SKEL_TORSO, x, y, z, MM1))
setRotation(getNodeByName("abdomen"), x, y, z);
if (calculateRotation(user_generator, XN_SKEL_NECK, tx, ty, tz, MM1)) // !!! + torso ^
setRotation(getNodeByName("chest"), (x+tx)/2, (y+ty)/2, (z+tz)/2);
// ... -> neck -> head
if (calculateRotation(user_generator, XN_SKEL_NECK, x, y, z, MM1))
setRotation(getNodeByName("neck"), x, y, z);
if (calculateRotation(user_generator, XN_SKEL_HEAD, x, y, z, MM1))
setRotation(getNodeByName("head"), x, y, z);
if (!global_mirror)
{
// ... -> lCollar -> lShldr -> lForeArm -> lHand
if (calculateRotation(user_generator, XN_SKEL_LEFT_COLLAR, x, y, z, MM2))
setRotation(getNodeByName("rCollar"), x, y, z/MM2);
if (calculateRotation(user_generator, XN_SKEL_LEFT_SHOULDER, x, y, z, MM2))
setRotation(getNodeByName("rShldr"), x, y*MM2, z/MM2);
if (calculateRotation(user_generator, XN_SKEL_LEFT_ELBOW, x, y, z, MM2))
setRotation(getNodeByName("rForeArm"), x, y, z);
if (calculateRotation(user_generator, XN_SKEL_LEFT_HAND, x, y, z, MM2))
setRotation(getNodeByName("rHand"), x, y, z/MM2);
// ... -> rCollar -> rShldr -> rForeArm -> rHand
if (calculateRotation(user_generator, XN_SKEL_RIGHT_COLLAR, x, y, z, MM2))
setRotation(getNodeByName("lCollar"), x, y, z/MM2);
if (calculateRotation(user_generator, XN_SKEL_RIGHT_SHOULDER, x, y, z, MM2))
setRotation(getNodeByName("lShldr"), x, y*MM2, z/MM2);
if (calculateRotation(user_generator, XN_SKEL_RIGHT_ELBOW, x, y, z, MM2))
setRotation(getNodeByName("lForeArm"), x, y, z);
if (calculateRotation(user_generator, XN_SKEL_RIGHT_HAND, x, y, z, MM2))
setRotation(getNodeByName("lHand"), x, y, z/MM2);
// hip -> lThigh -> lShin -> lFoot
if (calculateRotation(user_generator, XN_SKEL_RIGHT_HIP, x, y, z, MM3) )
setRotation(getNodeByName("lThigh"), x/MM3, y, z);
if (calculateRotation(user_generator, XN_SKEL_RIGHT_KNEE, x, y, z, MM3))
setRotation(getNodeByName("lShin"), x, y, z);
if (calculateRotation(user_generator, XN_SKEL_RIGHT_FOOT, x, y, z, MM3))
setRotation(getNodeByName("lFoot"), x/MM3, y, z);
// hip -> rThigh -> rShin -> rFoot
if (calculateRotation(user_generator, XN_SKEL_LEFT_HIP, x, y, z, MM3))
setRotation(getNodeByName("rThigh"), x/MM3, y, z);
if (calculateRotation(user_generator, XN_SKEL_LEFT_KNEE, x, y, z, MM3))
setRotation(getNodeByName("rShin"), x, y, z);
if (calculateRotation(user_generator, XN_SKEL_LEFT_FOOT, x, y, z, MM3))
setRotation(getNodeByName("rFoot"), x/MM3, y, z);
}
else
{
// ... -> lCollar -> lShldr -> lForeArm -> lHand
if (calculateRotation(user_generator, XN_SKEL_LEFT_COLLAR, x, y, z, MM2))
setRotation(getNodeByName("lCollar"), x, y, z/MM2);
if (calculateRotation(user_generator, XN_SKEL_LEFT_SHOULDER, x, y, z, MM2))
setRotation(getNodeByName("lShldr"), x, y*MM2, z/MM2);
if (calculateRotation(user_generator, XN_SKEL_LEFT_ELBOW, x, y, z, MM2))
setRotation(getNodeByName("lForeArm"), x, y, z);
if (calculateRotation(user_generator, XN_SKEL_LEFT_HAND, x, y, z, MM2))
setRotation(getNodeByName("lHand"), x, y, z/MM2);
// ... -> rCollar -> rShldr -> rForeArm -> rHand
if (calculateRotation(user_generator, XN_SKEL_RIGHT_COLLAR, x, y, z, MM2))
setRotation(getNodeByName("rCollar"), x, y, z/MM2);
if (calculateRotation(user_generator, XN_SKEL_RIGHT_SHOULDER, x, y, z, MM2))
setRotation(getNodeByName("rShldr"), x, y*MM2, z/MM2);
if (calculateRotation(user_generator, XN_SKEL_RIGHT_ELBOW, x, y, z, MM2))
setRotation(getNodeByName("rForeArm"), x, y, z);
if (calculateRotation(user_generator, XN_SKEL_RIGHT_HAND, x, y, z, MM2))
setRotation(getNodeByName("rHand"), x, y, z/MM2);
// hip -> lThigh -> lShin -> lFoot
if (calculateRotation(user_generator, XN_SKEL_RIGHT_HIP, x, y, z, MM3) )
setRotation(getNodeByName("rThigh"), x/MM3, y, z);
if (calculateRotation(user_generator, XN_SKEL_RIGHT_KNEE, x, y, z, MM3))
setRotation(getNodeByName("rShin"), x, y, z);
if (calculateRotation(user_generator, XN_SKEL_RIGHT_FOOT, x, y, z, MM3))
setRotation(getNodeByName("rFoot"), x/MM3, y, z);
// hip -> rThigh -> rShin -> rFoot
if (calculateRotation(user_generator, XN_SKEL_LEFT_HIP, x, y, z, MM3))
setRotation(getNodeByName("lThigh"), x/MM3, y, z);
if (calculateRotation(user_generator, XN_SKEL_LEFT_KNEE, x, y, z, MM3))
setRotation(getNodeByName("lShin"), x, y, z);
if (calculateRotation(user_generator, XN_SKEL_LEFT_FOOT, x, y, z, MM3))
setRotation(getNodeByName("lFoot"), x/MM3, y, z);
}
// add frame to animation
if (is_recording)
{
setFrame(current_frame++);
if (current_frame % 10 == 0) addKeyFrameAllJoints();
else deleteKeyFrameAllJoints();
}
}