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Diffstat (limited to 'kinematic.py')
| -rw-r--r-- | kinematic.py | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/kinematic.py b/kinematic.py new file mode 100644 index 0000000..12249d3 --- /dev/null +++ b/kinematic.py @@ -0,0 +1,241 @@ +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +import math + +import model +import theme + +class Frame: + def __init__(self, keyframe=None): + if keyframe: + self.assign(keyframe) + else: + self.joints = None + self.parts = None + self.middle = None + self.hsize = None + + def assign(self, keyframe): + self.joints = keyframe.joints.copy() + self.parts = keyframe.parts.copy() + self.middle = keyframe.middle + self.hsize = keyframe.sticks['HEAD'][1] + +def makeframes(): + frames = {} + + for i in model.keys: + if not i.empty(): + frames[i.x] = Frame(i) + + if not frames: + return {} + + fsecs = frames.keys() + fsecs.sort() + + # set border frames + frames[0] = frames[fsecs[0]] + frames[theme.KEYFRAMEWIDTH] = frames[fsecs[-1]] + + # now fill in frames between + fsecs = frames.keys() + fsecs.sort() + + # frame interval + fint = int(theme.KEYFRAMEWIDTH/float(theme.TOTALFRAMES)) + + for i in range(len(fsecs)): + if i == len(fsecs)-1: + continue # nothing after end + + startsecs = fsecs[i] + endsecs = fsecs[i+1] + start_frame = frames[startsecs] + end_frame = frames[endsecs] + numframes = int((endsecs-startsecs)/float(fint))-1 + + for j in range(numframes-1): # MAYBE SHOULD BE numframes + frame = frames[startsecs + ((j+1)*fint)] = Frame() + + frame.joints = _intjoints(start_frame.joints, end_frame.joints, + j+1, numframes) + frame.parts = _intparts(start_frame.parts, end_frame.parts, + j+1, numframes) + frame.middle = _intmiddle(start_frame.middle, end_frame.middle, + j+1, numframes) + frame.hsize = _inthsize(start_frame.hsize, end_frame.hsize, + j+1, numframes) + + return frames + +def getparentjoint(jname, joints, middle): + if jname in ['rightshoulder','leftshoulder','groin','neck']: + return middle + + parentjoints = {'rightelbow':'rightshoulder', + 'righthand':'rightelbow', + 'leftelbow':'leftshoulder', + 'lefthand':'leftelbow', + 'righthip':'groin', + 'rightknee':'righthip', + 'rightheel':'rightknee', + 'righttoe':'rightheel', + 'lefthip':'groin', + 'leftknee':'lefthip', + 'leftheel':'leftknee', + 'lefttoe':'leftheel', + 'head':'neck'} + + return joints[parentjoints[jname]] + +def getparentsticks(stickname): + if stickname in ['RIGHT SHOULDER','LEFT SHOULDER','NECK','TORSO']: + return [] + if stickname in ['HEAD']: + return ['NECK'] + if stickname == 'UPPER RIGHT ARM': + return ['RIGHT SHOULDER'] + if stickname == 'LOWER RIGHT ARM': + return ['UPPER RIGHT ARM','RIGHT SHOULDER'] + if stickname == 'UPPER LEFT ARM': + return ['LEFT SHOULDER'] + if stickname == 'LOWER LEFT ARM': + return ['UPPER LEFT ARM','LEFT SHOULDER'] + if stickname == 'RIGHT HIP': + return ['TORSO'] + if stickname == 'UPPER RIGHT LEG': + return ['RIGHT HIP','TORSO'] + if stickname == 'LOWER RIGHT LEG': + return ['UPPER RIGHT LEG','RIGHT HIP','TORSO'] + if stickname == 'RIGHT FOOT': + return ['LOWER RIGHT LEG','UPPER RIGHT LEG','RIGHT HIP','TORSO'] + if stickname == 'LEFT HIP': + return ['TORSO'] + if stickname == 'UPPER LEFT LEG': + return ['LEFT HIP','TORSO'] + if stickname == 'LOWER LEFT LEG': + return ['UPPER LEFT LEG','LEFT HIP','TORSO'] + if stickname == 'LEFT FOOT': + return ['LOWER LEFT LEG','UPPER LEFT LEG','LEFT HIP','TORSO'] + +def getpoints(x,y,angle,len): + nx = int(round(x + (len * math.cos(math.radians(angle))))) + ny = int(round(y - (len * math.sin(math.radians(angle))))) + return (nx,ny) + +def _interpolate(x,x0,y0,x1,y1): + if x1-x0 == 0: + return y0 + m = float(y1-y0)/float(x1-x0) + y = y0 + ((x-x0)*m) + return y + +def _intjoints(sjoints, ejoints, count, numpoints): + # numpoints: number of points between start and end + # count: point were getting now + ijoints = {} + for jname in sjoints: + (x0,y0) = sjoints[jname] + (x1,y1) = ejoints[jname] + #print 'x0:%s,y0:%s' % (x0,y0) + #print 'x1:%s,y1:%s' % (x1,y1) + x = x0 + (count * ((x1-x0)/float(numpoints))) + y = _interpolate(x,x0,y0,x1,y1) + ijoints[jname] = (int(x),int(y)) + return ijoints + +def _intparts(sparts,eparts,count,numpoints): + iparts = {} + for pname in sparts: + x0 = sparts[pname] + x1 = eparts[pname] + if x0 == x1: + iparts[pname] = x0 + continue + x = x0 + (count * ((x1-x0)/float(numpoints))) + iparts[pname] = int(x) + return iparts + +def _intmiddle(smiddle,emiddle,count,numpoints): + (x0,y0) = smiddle + (x1,y1) = emiddle + x = x0 + (count * ((x1-x0)/float(numpoints))) + y = _interpolate(x,x0,y0,x1,y1) + return (int(x),int(y)) + +def _inthsize(shsize,ehsize,count,numpoints): + x0 = shsize + x1 = ehsize + if x0 == x1: + return x0 + x = x0 + (count * ((x1-x0)/float(numpoints))) + return int(x) + + +""" + def makeframes(self): + endsecs = KEYFRAMEWIDTH + fint = int(endsecs/float(TOTALFRAMES)) # frame interval + self.frames = {} + self.fparts = {} + self.fmiddles = {} + self.fhsize = {} + for i in range(len(self.keyframes)): + secs = self.keyframes[i] + if model.keys[i].joints: + self.frames[secs] = model.keys[i].joints.copy() + self.fparts[secs] = model.keys[i].parts.copy() + self.fmiddles[secs] = model.keys[i].middle + #print '%s:KFMIDDLE:%s = (%s,%s)' % (i,secs,self.fmiddles[secs][0],self.fmiddles[secs][1]) + self.fhsize[secs] = model.keys[i].sticks['HEAD'][1] + fsecs = self.frames.keys() + fsecs.sort() + if not fsecs: + return + # ADD frame at 0 + self.frames[0] = self.frames[fsecs[0]].copy() + self.fparts[0] = self.fparts[fsecs[0]].copy() + self.fmiddles[0] = self.fmiddles[fsecs[0]] + self.fhsize[0] = self.fhsize[fsecs[0]] + # ADD frame at end + self.frames[endsecs] = self.frames[fsecs[-1]].copy() + self.fparts[endsecs] = self.fparts[fsecs[-1]].copy() + self.fmiddles[endsecs] = self.fmiddles[fsecs[-1]] + self.fhsize[endsecs] = self.fhsize[fsecs[-1]] + # now fill in frames between + fsecs = self.frames.keys() + fsecs.sort() + for i in range(len(fsecs)): + if i == len(fsecs)-1: + continue # nothing after end + startsecs = fsecs[i] + endsecs = fsecs[i+1] + numframes = int((endsecs-startsecs)/float(fint))-1 + #print 'NUMFRAMES(%s):%s' % (i,numframes) + for j in range(numframes-1): # MAYBE SHOULD BE numframes + secs = startsecs + ((j+1)*fint) + self.frames[secs] = self.intjoints(self.frames[startsecs],self.frames[endsecs], + j+1,numframes) + self.fparts[secs] = self.intparts(self.fparts[startsecs],self.fparts[endsecs], + j+1,numframes) + self.fmiddles[secs] = self.intmiddle(self.fmiddles[startsecs],self.fmiddles[endsecs], + j+1,numframes) + self.fhsize[secs] = self.inthsize(self.fhsize[startsecs],self.fhsize[endsecs], + j+1,numframes) + #print '%s,%s(%s secs):(%s,%s) START(%s,%s) - END(%s,%s) startsecs:%s endsecs:%s numframes:%s' % (i,j,secs,self.fmiddles[secs][0],self.fmiddles[secs][1],self.fmiddles[startsecs][0],self.fmiddles[startsecs][1],self.fmiddles[endsecs][0],self.fmiddles[endsecs][1],startsecs,endsecs,numframes) + #print self.frames.keys() + +""" |