def test_getStitchedNextMotion_y_angle(): bvhFilePath = '../samples/walk_left_90degree.bvh' motion0 = yf.readBvhFile(bvhFilePath) bvhFilePath = '../samples/walk_left_90degree.bvh' motion1 = yf.readBvhFile(bvhFilePath) # stitched_motion = ymb.stitch(motion0, motion1, 20, yfg.hermite2nd) transitionLength = 20 transitionFunc = lambda x:1.-yfg.hermite2nd(x) m0 = motion0.copy() # m1 = getStitchedNextMotion(motion1, motion0[-1], transitionLength, transitionFunc, alignOrientation=False) m1 = getStitchedNextMotion_y_angle(motion1, motion0[-1], motion0[0], math.pi/4, transitionLength,transitionFunc) stitched_motion = m0 + m1 viewer = ysv.SimpleViewer() viewer.record(False) viewer.doc.addRenderer('motion0', yr.JointMotionRenderer(motion0, (0,0,255), yr.LINK_LINE)) viewer.doc.addObject('motion0', motion0) viewer.doc.addRenderer('motion1', yr.JointMotionRenderer(motion1, (0,255,0), yr.LINK_LINE)) viewer.doc.addObject('motion1', motion1) viewer.doc.addRenderer('stitched_motion', yr.JointMotionRenderer(stitched_motion, (255,255,0), yr.LINK_LINE)) viewer.doc.addObject('stitched_motion', stitched_motion) viewer.startTimer(1/30.) viewer.show() Fl.run()
def test_early_foottouch(): bvhFilePath = '../samples/wd2_WalkSameSame00.bvh' motion = yf.readBvhFile(bvhFilePath, .01) lFoot = motion[0].skeleton.getElementIndex('LeftFoot') rFoot = motion[0].skeleton.getElementIndex('RightFoot') hRef = .1 vRef = .3 lc = yma.getElementContactStates(motion, lFoot, hRef, vRef) rc = yma.getElementContactStates(motion, rFoot, hRef, vRef) steps = yba.getWalkingSteps(lc, rc, True) stepMotions = yma.splitMotionIntoSegments(motion, steps) earlyCycle = 2 howEarly = 5 print('steps[%d] :' % earlyCycle) print('ys_motion[%d]~ys_motion[%d] => ' % (steps[earlyCycle][0], steps[earlyCycle][1]), end=' ') print('motion_earlytouch[%d]~motion_earyltouch[%d]' % (steps[earlyCycle][0], steps[earlyCycle][1] - howEarly)) motion_earlytouch = stepMotions[0] for i in range(1, len(stepMotions)): if i == earlyCycle: stepMotions[i] = stepMotions[i][:-howEarly] # stitched = getStitchedNextMotion(stepMotions[i], motion_earlytouch[-1], len(stepMotions[i])-1, yfg.halfsine) stitched = getStitchedNextMotion(stepMotions[i], motion_earlytouch[-1], len(stepMotions[i]) - 1, lambda x: 1. - yfg.hermite2nd(x)) # stitched = getStitchedNextMotion(stepMotions[i], motion_earlytouch[-1], len(stepMotions[i])-1, yfg.identity) motion_earlytouch += stitched viewer = ysv.SimpleViewer() viewer.record(False) viewer.doc.addRenderer( 'ys_motion', yr.JointMotionRenderer(motion, (100, 100, 255), yr.LINK_LINE)) viewer.doc.addObject('ys_motion', motion) viewer.doc.addRenderer( 'motion_earlytouch', yr.JointMotionRenderer(motion_earlytouch, (255, 255, 0), yr.LINK_LINE)) viewer.doc.addObject('motion_earlytouch', motion_earlytouch) viewer.startTimer(1 / 30.) viewer.show() Fl.run()
def test_getStitchedNextMotion_y_angle(): bvhFilePath = '../samples/walk_left_90degree.bvh' motion0 = yf.readBvhFile(bvhFilePath) bvhFilePath = '../samples/walk_left_90degree.bvh' motion1 = yf.readBvhFile(bvhFilePath) # stitched_motion = ymb.stitch(motion0, motion1, 20, yfg.hermite2nd) transitionLength = 20 transitionFunc = lambda x: 1. - yfg.hermite2nd(x) m0 = motion0.copy() # m1 = getStitchedNextMotion(motion1, motion0[-1], transitionLength, transitionFunc, alignOrientation=False) m1 = getStitchedNextMotion_y_angle(motion1, motion0[-1], motion0[0], math.pi / 4, transitionLength, transitionFunc) stitched_motion = m0 + m1 viewer = ysv.SimpleViewer() viewer.record(False) viewer.doc.addRenderer( 'motion0', yr.JointMotionRenderer(motion0, (0, 0, 255), yr.LINK_LINE)) viewer.doc.addObject('motion0', motion0) viewer.doc.addRenderer( 'motion1', yr.JointMotionRenderer(motion1, (0, 255, 0), yr.LINK_LINE)) viewer.doc.addObject('motion1', motion1) viewer.doc.addRenderer( 'stitched_motion', yr.JointMotionRenderer(stitched_motion, (255, 255, 0), yr.LINK_LINE)) viewer.doc.addObject('stitched_motion', stitched_motion) viewer.startTimer(1 / 30.) viewer.show() Fl.run()
def save_simulation(): class ForceInfo: def __init__(self, startFrame, duration, force): self.startFrame = startFrame # frame self.duration = duration # sec self.force = force # Newton self.targetBody = None #=============================================================================== # load motion #=============================================================================== MULTI_VIEWER = True CAMERA_TRACKING = True TORQUE_PLOT = False NO_FOOT_SLIDING = True SAVE_SIMULATION = True SAVE_DIR = './saved_simulation/' # global parameters Kt = 20.; Dt = 2*(Kt**.5) Ks = 2000.; Ds = 2*(Ks**.5) K_stb_vel = .1 mu = 1. # constaants c_min_contact_vel = 100. # c_min_contact_vel = 2. c_min_contact_time = .7 c_landing_duration = .2 c_taking_duration = .3 c_swf_mid_offset = .0 c_swf_stability = .5 c_locking_vel = .05 dir = './ppmotion/' K_swp_vel_sag = .1; K_swp_vel_cor = .4; K_swp_pos_sag = .3; K_swp_pos_cor = 0. # K_stp_pos = 0. # K_stb_vel = .2 K_stp_pos = 1. filename = 'wd2_WalkSameSame01.bvh' # filename = 'wd2_WalkSameSame01_REPEATED.bvh' # K_swp_vel_sag = .1; K_swp_vel_cor = .4; K_swp_pos_sag = .3; K_swp_pos_cor = 0. # K_stp_pos = 1. # filename = 'wd2_WalkForwardSlow01.bvh' ## filename = 'wd2_WalkForwardSlow01_REPEATED.bvh' # 3 frame diff ## mu = 12. # K_swp_vel_sag = .1; K_swp_vel_cor = .4; K_swp_pos_sag = 1.; K_swp_pos_cor = 0. # K_stp_pos = .6 # filename = 'wd2_WalkForwardNormal00.bvh' ## filename = 'wd2_WalkForwardNormal00_REPEATED.bvh' # K_swp_vel_sag = .1; K_swp_vel_cor = .4; K_swp_pos_sag = .3; K_swp_pos_cor = 0. # K_stp_pos = 0. # filename = 'wd2_WalkHandWav00.bvh' ## filename = 'wd2_WalkHandWav00_REPEATED.bvh' # mu = 2. # K_swp_vel_sag = .1; K_swp_vel_cor = .4; K_swp_pos_sag = .3; K_swp_pos_cor = 0. # K_stp_pos = 0. ## filename = 'wd2_WalkForwardFast00.bvh' ### filename = 'wd2_WalkForwardFast00_REPEATED.bvh' # mu = 2. # K_swp_vel_sag = .1; K_swp_vel_cor = .4; K_swp_pos_sag = .3; K_swp_pos_cor = 0. # K_stp_pos = 0. # filename = 'wd2_WalkAzuma01.bvh' ## filename = 'wd2_WalkAzuma01_REPEATED.bvh' # 2 frame diff # K_swp_vel_sag = .1; K_swp_vel_cor = .4; K_swp_pos_sag = 1.; K_swp_pos_cor = 0. # K_stp_pos = 0. # filename = 'wd2_WalkSoldier00.bvh' # K_swp_pos_sag = .0 ## filename = 'wd2_WalkSoldier00_REPEATED.bvh' # mu = 2. # K_swp_vel_sag = .2; K_swp_vel_cor = .4; K_swp_pos_sag = .5;K_swp_pos_cor = 0. # K_stp_pos = 0. # filename = 'wd2_WalkForwardVFast00.bvh' ## filename = 'wd2_WalkForwardVFast00_REPEATED.bvh' # K_swp_vel_sag = .1; K_swp_vel_cor = .4; K_swp_pos_sag = 1.; K_swp_pos_cor = 0. # K_stp_pos = 0. # K_stb_vel = .2 # filename = 'wd2_WalkBackward00.bvh' ### filename = 'wd2_WalkBackward00_REPEATED.bvh' ## K_swp_vel_sag = .15; K_swp_vel_cor = .35; K_swp_pos_sag = 1.; K_swp_pos_cor = 0. ## K_stp_pos = 0. ### filename = 'wd2_WalkLean00.bvh' ## filename = 'wd2_WalkLean00_REPEATED.bvh' motion_ori = yf.readBvhFile(dir+filename) frameTime = 1/motion_ori.fps if 'REPEATED' in filename: REPEATED = True CAMERA_TRACKING = True else: REPEATED = False #=============================================================================== # options #=============================================================================== SEGMENT_EDITING = True STANCE_FOOT_STABILIZE = True MATCH_STANCE_LEG = True SWING_FOOT_PLACEMENT = True SWING_FOOT_HEIGHT = True SWING_FOOT_ORIENTATION = False STANCE_FOOT_PUSH = True STANCE_FOOT_BALANCING = True stitch_func = lambda x : 1. - yfg.hermite2nd(x) stf_stabilize_func = yfg.concatenate([yfg.hermite2nd, yfg.one], [c_landing_duration]) match_stl_func = yfg.hermite2nd # match_stl_func_y = yfg.hermite2nd swf_placement_func = yfg.hermite2nd swf_height_func = yfg.hermite2nd swf_height_sine_func = yfg.sine stf_balancing_func = yfg.concatenate([yfg.hermite2nd, yfg.one], [c_landing_duration]) # forceInfos = [ForceInfo(70, .4, (100,0,0))] forceInfos = [] #=============================================================================== # initialize character #=============================================================================== mcfgfile = open(dir + 'mcfg', 'r') mcfg = cPickle.load(mcfgfile) mcfgfile.close() wcfg = ypc.WorldConfig() wcfg.planeHeight = 0. wcfg.useDefaultContactModel = False wcfg.lockingVel = c_locking_vel stepsPerFrame = 30 wcfg.timeStep = (frameTime)/stepsPerFrame vpWorld = cvw.VpWorld(wcfg) motionModel = cvm.VpMotionModel(vpWorld, motion_ori[0], mcfg) controlModel = cvm.VpControlModel(vpWorld, motion_ori[0], mcfg) vpWorld.initialize() print controlModel motionModel.recordVelByFiniteDiff() controlModel.initializeHybridDynamics() #=============================================================================== # load segment info #=============================================================================== skeleton = motion_ori[0].skeleton segname = os.path.splitext(filename)[0]+'.seg' segfile = open(dir+segname, 'r') seginfo = cPickle.load(segfile) segfile.close() intervals = [info['interval'] for info in seginfo] states = [info['state'] for info in seginfo] temp_motion = copy.deepcopy(motion_ori) segments = yma.splitMotionIntoSegments(temp_motion, intervals) print len(intervals), 'segments' for i in range(len(intervals)): print '%dth'%i, yba.GaitState.text[states[i]], intervals[i], ',', print motion_seg_orig = ym.JointMotion() motion_seg_orig += segments[0] motion_seg = ym.JointMotion() motion_seg += segments[0] motion_stitch = ym.JointMotion() motion_stitch += segments[0] motion_stf_stabilize = ym.JointMotion() motion_match_stl = ym.JointMotion() motion_swf_placement = ym.JointMotion() motion_swf_height = ym.JointMotion() motion_swf_orientation = ym.JointMotion() motion_stf_balancing = ym.JointMotion() motion_stf_push = ym.JointMotion() motion_control = ym.JointMotion() motion_debug1 = ym.JointMotion() motion_debug2 = ym.JointMotion() motion_debug3 = ym.JointMotion() P = ym.JointMotion() P_hat = ym.JointMotion() M_tc = ym.JointMotion() M_hat_tc_1 = ym.JointMotion() if SAVE_SIMULATION: motion_simulation = ym.JointMotion() #=============================================================================== # loop variable #=============================================================================== seg_index = [0] acc_offset = [0] extended = [False] prev_R_swp = [None] stl_y_limit_num = [0] stl_xz_limit_num = [0] avg_dCM = [mm.O_Vec3()] # avg_stf_v = [mm.O_Vec3()] # avg_stf_av = [mm.O_Vec3()] # stf_push_func = [yfg.zero] step_length_cur = [0.] step_length_tar = [0.] step_axis = [mm.O_Vec3()] #=============================================================================== # information #=============================================================================== bodyIDsToCheck = range(vpWorld.getBodyNum()) mus = [mu]*len(bodyIDsToCheck) bodyMasses = controlModel.getBodyMasses() totalMass = controlModel.getTotalMass() lID = controlModel.name2id('LeftFoot'); rID = controlModel.name2id('RightFoot') lUpLeg = skeleton.getJointIndex('LeftUpLeg');rUpLeg = skeleton.getJointIndex('RightUpLeg') lKnee = skeleton.getJointIndex('LeftLeg'); rKnee = skeleton.getJointIndex('RightLeg') lFoot = skeleton.getJointIndex('LeftFoot'); rFoot = skeleton.getJointIndex('RightFoot') spine = skeleton.getJointIndex('Spine') uppers = [skeleton.getJointIndex(name) for name in ['Hips', 'Spine', 'Spine1', 'LeftArm', 'LeftForeArm', 'RightArm', 'RightForeArm']] upperMass = sum([bodyMasses[i] for i in uppers]) lLegs = [skeleton.getJointIndex(name) for name in ['LeftUpLeg', 'LeftLeg', 'LeftFoot']] rLegs = [skeleton.getJointIndex(name) for name in ['RightUpLeg', 'RightLeg', 'RightFoot']] allJoints = set(range(skeleton.getJointNum())) halfFootHeight = controlModel.getBodyShape(lFoot)[1] / 2. for fi in forceInfos: fi.targetBody = spine #=========================================================================== # data collection #=========================================================================== rhip_torques = [] rknee_torques = [] rankle_torques = [] #=============================================================================== # rendering #=============================================================================== rd_CM = [None]; rd_CP = [None]; rd_CMP = [None] rd_forces = [None]; rd_force_points = [None] rd_torques = []; rd_joint_positions = [] rd_point1 = [None] rd_point2 = [None] rd_vec1 = [None]; rd_vecori1 = [None] rd_vec2 = [None]; rd_vecori2 = [None] rd_frame1 = [None] rd_frame2 = [None] if MULTI_VIEWER: viewer = ymv.MultiViewer(800, 655) # viewer = ymv.MultiViewer(1600, 1255) viewer.setRenderers1([cvr.VpModelRenderer(motionModel, MOTION_COLOR, yr.POLYGON_FILL)]) viewer.setRenderers2([cvr.VpModelRenderer(controlModel, CHARACTER_COLOR, yr.POLYGON_FILL)]) else: viewer = ysv.SimpleViewer() # viewer.record(False) viewer.doc.addRenderer('motionModel', cvr.VpModelRenderer(motionModel, (0,150,255), yr.POLYGON_LINE)) viewer.doc.addRenderer('controlModel', cvr.VpModelRenderer(controlModel, (200,200,200), yr.POLYGON_LINE)) # viewer.doc.addObject('motion_ori', motion_ori) # viewer.doc.addRenderer('motion_ori', yr.JointMotionRenderer(motion_ori, (0,100,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_seg_orig', yr.JointMotionRenderer(motion_seg_orig, (0,100,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_seg', yr.JointMotionRenderer(motion_seg, (0,150,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_stitch', yr.JointMotionRenderer(motion_stitch, (0,255,200), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_stf_stabilize', yr.JointMotionRenderer(motion_stf_stabilize, (255,0,0), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_match_stl', yr.JointMotionRenderer(motion_match_stl, (255,200,0), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_swf_placement', yr.JointMotionRenderer(motion_swf_placement, (255,100,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_swf_height', yr.JointMotionRenderer(motion_swf_height, (50,255,255), yr.LINK_BONE)) viewer.doc.addRenderer('motion_swf_orientation', yr.JointMotionRenderer(motion_swf_orientation, (255,100,0), yr.LINK_BONE)) viewer.doc.addRenderer('motion_stf_push', yr.JointMotionRenderer(motion_stf_push, (50,255,200), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_stf_balancing', yr.JointMotionRenderer(motion_stf_balancing, (255,100,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_control', yr.JointMotionRenderer(motion_control, (255,0,0), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_debug1', yr.JointMotionRenderer(motion_debug1, (0,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_debug2', yr.JointMotionRenderer(motion_debug2, (255,0,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_debug3', yr.JointMotionRenderer(motion_debug3, (255,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('M_tc', yr.JointMotionRenderer(M_tc, (255,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('P_hat', yr.JointMotionRenderer(P_hat, (255,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('P', yr.JointMotionRenderer(P, (255,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('M_hat_tc_1', yr.JointMotionRenderer(M_hat_tc_1, (255,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('rd_CM', yr.PointsRenderer(rd_CM, (255,255,0))) # viewer.doc.addRenderer('rd_CP', yr.PointsRenderer(rd_CP, (255,0,0))) # viewer.doc.addRenderer('rd_CMP', yr.PointsRenderer(rd_CMP, (0,255,0))) # viewer.doc.addRenderer('forces', yr.ForcesRenderer(rd_forces, rd_force_points, (255,0,0), ratio=.01, fromPoint=False)) # viewer.doc.addRenderer('torques', yr.VectorsRenderer(rd_torques, rd_joint_positions, (255,0,0))) # viewer.doc.addRenderer('rd_point1', yr.PointsRenderer(rd_point1, (0,255,0))) # viewer.doc.addRenderer('rd_point2', yr.PointsRenderer(rd_point2, (255,0,0))) # viewer.doc.addRenderer('rd_vec1', yr.VectorsRenderer(rd_vec1, rd_vecori1, (255,0,0))) # viewer.doc.addRenderer('rd_vec2', yr.VectorsRenderer(rd_vec2, rd_vecori2, (0,255,0))) # viewer.doc.addRenderer('rd_frame1', yr.FramesRenderer(rd_frame1, (0,200,200))) # viewer.doc.addRenderer('rd_frame2', yr.FramesRenderer(rd_frame2, (200,200,0))) # viewer.setMaxFrame(len(motion_ori)-1) if not REPEATED: viewer.setMaxFrame(len(motion_ori)-1) else: viewer.setMaxFrame(1000) if CAMERA_TRACKING: if MULTI_VIEWER: cameraTargets1 = [None] * (viewer.getMaxFrame()+1) cameraTargets2 = [None] * (viewer.getMaxFrame()+1) else: cameraTargets = [None] * (viewer.getMaxFrame()+1) if TORQUE_PLOT: rhip_torques = [0.]*viewer.getMaxFrame() rknee_torques = [0.]*viewer.getMaxFrame() rankle_torques = [0.]*viewer.getMaxFrame() # pt = [0.] def postFrameCallback_Always(frame): # if frame==1: pt[0] = time.time() # if frame==31: print 'elapsed time for 30 frames:', time.time()-pt[0] if CAMERA_TRACKING: if MULTI_VIEWER: if cameraTargets1[frame]==None: cameraTargets1[frame] = motionModel.getBodyPositionGlobal(0) # cameraTargets1[frame] = motion_ori[frame].getJointPositionGlobal(0) viewer.setCameraTarget1(cameraTargets1[frame]) if cameraTargets2[frame]==None: cameraTargets2[frame] = controlModel.getJointPositionGlobal(0) viewer.setCameraTarget2(cameraTargets2[frame]) else: if cameraTargets[frame]==None: cameraTargets[frame] = controlModel.getJointPositionGlobal(0) viewer.setCameraTarget(cameraTargets[frame]) if plot!=None: plot.updateVline(frame) viewer.setPostFrameCallback_Always(postFrameCallback_Always) plot = None # plot = ymp.InteractivePlot() if plot!=None: plot.setXlimit(0, len(motion_ori)) plot.setYlimit(0., 1.) plot.addDataSet('zero') plot.addDataSet('diff') plot.addDataSet('debug1') plot.addDataSet('debug2') def viewer_onClose(data): if plot!=None: plot.close() viewer.onClose(data) viewer.callback(viewer_onClose) def simulateCallback(frame): # seginfo segIndex = seg_index[0] curState = seginfo[segIndex]['state'] curInterval = yma.offsetInterval(acc_offset[0], seginfo[segIndex]['interval']) stanceLegs = seginfo[segIndex]['stanceHips'] swingLegs = seginfo[segIndex]['swingHips'] stanceFoots = seginfo[segIndex]['stanceFoots'] swingFoots = seginfo[segIndex]['swingFoots'] swingKnees = seginfo[segIndex]['swingKnees'] groundHeight = seginfo[segIndex]['ground_height'] maxStfPushFrame = seginfo[segIndex]['max_stf_push_frame'] prev_frame = frame-1 if frame>0 else 0 # prev_frame = frame # information # dCM_tar = yrp.getCM(motion_seg.getJointVelocitiesGlobal(frame), bodyMasses, upperMass, uppers) # CM_tar = yrp.getCM(motion_seg.getJointPositionsGlobal(frame), bodyMasses, upperMass, uppers) ## dCM_tar = yrp.getCM(motion_seg.getJointVelocitiesGlobal(frame), bodyMasses, totalMass) ## CM_tar = yrp.getCM(motion_seg.getJointPositionsGlobal(frame), bodyMasses, totalMass) # stf_tar = motion_seg.getJointPositionGlobal(stanceFoots[0], frame) # CMr_tar = CM_tar - stf_tar dCM_tar = motion_seg.getJointVelocityGlobal(0, prev_frame) CM_tar = motion_seg.getJointPositionGlobal(0, prev_frame) # dCM_tar = yrp.getCM(motion_seg.getJointVelocitiesGlobal(prev_frame), bodyMasses, upperMass, uppers) # CM_tar = yrp.getCM(motion_seg.getJointPositionsGlobal(prev_frame), bodyMasses, upperMass, uppers) # dCM_tar = yrp.getCM(motion_seg.getJointVelocitiesGlobal(prev_frame), bodyMasses, totalMass) # CM_tar = yrp.getCM(motion_seg.getJointPositionsGlobal(prev_frame), bodyMasses, totalMass) stf_tar = motion_seg.getJointPositionGlobal(stanceFoots[0], prev_frame) CMr_tar = CM_tar - stf_tar dCM = avg_dCM[0] CM = controlModel.getJointPositionGlobal(0) # CM = yrp.getCM(controlModel.getJointPositionsGlobal(), bodyMasses, upperMass, uppers) # CM = yrp.getCM(controlModel.getJointPositionsGlobal(), bodyMasses, totalMass) CMreal = yrp.getCM(controlModel.getJointPositionsGlobal(), bodyMasses, totalMass) stf = controlModel.getJointPositionGlobal(stanceFoots[0]) CMr = CM - stf diff_dCM = mm.projectionOnPlane(dCM-dCM_tar, (1,0,0), (0,0,1)) diff_dCM_axis = np.cross((0,1,0), diff_dCM) rd_vec1[0] = diff_dCM; rd_vecori1[0] = CM_tar diff_CMr = mm.projectionOnPlane(CMr-CMr_tar, (1,0,0), (0,0,1)) # rd_vec1[0] = diff_CMr; rd_vecori1[0] = stf_tar diff_CMr_axis = np.cross((0,1,0), diff_CMr) direction = mm.normalize2(mm.projectionOnPlane(dCM_tar, (1,0,0), (0,0,1))) # direction = mm.normalize2(mm.projectionOnPlane(dCM, (1,0,0), (0,0,1))) directionAxis = np.cross((0,1,0), direction) diff_dCM_sag, diff_dCM_cor = mm.projectionOnVector2(diff_dCM, direction) # rd_vec1[0] = diff_dCM_sag; rd_vecori1[0] = CM_tar diff_dCM_sag_axis = np.cross((0,1,0), diff_dCM_sag) diff_dCM_cor_axis = np.cross((0,1,0), diff_dCM_cor) diff_CMr_sag, diff_CMr_cor = mm.projectionOnVector2(diff_CMr, direction) diff_CMr_sag_axis = np.cross((0,1,0), diff_CMr_sag) diff_CMr_cor_axis = np.cross((0,1,0), diff_CMr_cor) t = (frame-curInterval[0])/float(curInterval[1]-curInterval[0]) t_raw = t if t>1.: t=1. p_root = motion_stitch[frame].getJointPositionGlobal(0) R_root = motion_stitch[frame].getJointOrientationGlobal(0) motion_seg_orig.goToFrame(frame) motion_seg.goToFrame(frame) motion_stitch.goToFrame(frame) motion_debug1.append(motion_stitch[frame].copy()) motion_debug1.goToFrame(frame) motion_debug2.append(motion_stitch[frame].copy()) motion_debug2.goToFrame(frame) motion_debug3.append(motion_stitch[frame].copy()) motion_debug3.goToFrame(frame) # paper implementation M_tc.append(motion_stitch[prev_frame]) M_tc.goToFrame(frame) P_hat.append(M_tc[frame].copy()) P_hat.goToFrame(frame) p_temp = ym.JointPosture(skeleton) p_temp.rootPos = controlModel.getJointPositionGlobal(0) p_temp.setJointOrientationsLocal(controlModel.getJointOrientationsLocal()) P.append(p_temp) P.goToFrame(frame) # stance foot stabilize motion_stf_stabilize.append(motion_stitch[frame].copy()) motion_stf_stabilize.goToFrame(frame) if STANCE_FOOT_STABILIZE: for stanceFoot in stanceFoots: R_target_foot = motion_seg[frame].getJointOrientationGlobal(stanceFoot) R_current_foot = motion_stf_stabilize[frame].getJointOrientationGlobal(stanceFoot) motion_stf_stabilize[frame].setJointOrientationGlobal(stanceFoot, cm.slerp(R_current_foot, R_target_foot , stf_stabilize_func(t))) # R_target_foot = motion_seg[frame].getJointOrientationLocal(stanceFoot) # R_current_foot = motion_stf_stabilize[frame].getJointOrientationLocal(stanceFoot) # motion_stf_stabilize[frame].setJointOrientationLocal(stanceFoot, cm.slerp(R_current_foot, R_target_foot , stf_stabilize_func(t))) # match stance leg motion_match_stl.append(motion_stf_stabilize[frame].copy()) motion_match_stl.goToFrame(frame) if MATCH_STANCE_LEG: if curState!=yba.GaitState.STOP: for i in range(len(stanceLegs)): stanceLeg = stanceLegs[i] stanceFoot = stanceFoots[i] # # motion stance leg -> character stance leg as time goes R_motion = motion_match_stl[frame].getJointOrientationGlobal(stanceLeg) R_character = controlModel.getJointOrientationGlobal(stanceLeg) motion_match_stl[frame].setJointOrientationGlobal(stanceLeg, cm.slerp(R_motion, R_character, match_stl_func(t))) # t_y = match_stl_func_y(t) # t_xz = match_stl_func(t) # # R_motion = motion_match_stl[frame].getJointOrientationGlobal(stanceLeg) # R_character = controlModel.getJointOrientationGlobal(stanceLeg) # R = np.dot(R_character, R_motion.T) # R_y, R_xz = mm.projectRotation((0,1,0), R) # motion_match_stl[frame].mulJointOrientationGlobal(stanceLeg, mm.scaleSO3(R_xz, t_xz)) # motion_match_stl[frame].mulJointOrientationGlobal(stanceLeg, mm.scaleSO3(R_y, t_y)) # swing foot placement motion_swf_placement.append(motion_match_stl[frame].copy()) motion_swf_placement.goToFrame(frame) if SWING_FOOT_PLACEMENT: t_swing_foot_placement = swf_placement_func(t); if extended[0]: R_swp_sag = prev_R_swp[0][0] R_swp_cor = prev_R_swp[0][1] else: R_swp_sag = mm.I_SO3(); R_swp_cor = mm.I_SO3() R_swp_sag = np.dot(R_swp_sag, mm.exp(diff_dCM_sag_axis * K_swp_vel_sag * -t_swing_foot_placement)) R_swp_cor = np.dot(R_swp_cor, mm.exp(diff_dCM_cor_axis * K_swp_vel_cor * -t_swing_foot_placement)) if np.dot(direction, diff_CMr_sag) < 0: R_swp_sag = np.dot(R_swp_sag, mm.exp(diff_CMr_sag_axis * K_swp_pos_sag * -t_swing_foot_placement)) R_swp_cor = np.dot(R_swp_cor, mm.exp(diff_CMr_cor_axis * K_swp_pos_cor * -t_swing_foot_placement)) for i in range(len(swingLegs)): swingLeg = swingLegs[i] swingFoot = swingFoots[i] # save swing foot global orientation # R_swf = motion_swf_placement[frame].getJointOrientationGlobal(swingFoot) # rotate swing leg motion_swf_placement[frame].mulJointOrientationGlobal(swingLeg, R_swp_sag) motion_swf_placement[frame].mulJointOrientationGlobal(swingLeg, R_swp_cor) # restore swing foot global orientation # motion_swf_placement[frame].setJointOrientationGlobal(swingFoot, R_swf) prev_R_swp[0] = (R_swp_sag, R_swp_cor) # swing foot height motion_swf_height.append(motion_swf_placement[frame].copy()) motion_swf_height.goToFrame(frame) if SWING_FOOT_HEIGHT: for swingFoot in swingFoots: stanceFoot = stanceFoots[0] # save foot global orientation R_foot = motion_swf_height[frame].getJointOrientationGlobal(swingFoot) R_stance_foot = motion_swf_height[frame].getJointOrientationGlobal(stanceFoot) height_tar = motion_swf_height[frame].getJointPositionGlobal(swingFoot)[1] - motion_swf_height[frame].getJointPositionGlobal(stanceFoot)[1] # motion_debug1[frame] = motion_swf_height[frame].copy() # rotate motion_swf_height[frame].rotateByTarget(controlModel.getJointOrientationGlobal(0)) # motion_debug2[frame] = motion_swf_height[frame].copy() # motion_debug2[frame].translateByTarget(controlModel.getJointPositionGlobal(0)) height_cur = motion_swf_height[frame].getJointPositionGlobal(swingFoot)[1] - motion_swf_height[frame].getJointPositionGlobal(stanceFoot)[1] offset_height = (height_tar - height_cur) * swf_height_func(t) * c_swf_stability offset_sine = c_swf_mid_offset * swf_height_sine_func(t) offset = 0. offset += offset_height offset += offset_sine if offset > 0.: newPosition = motion_swf_height[frame].getJointPositionGlobal(swingFoot) newPosition[1] += offset aik.ik_analytic(motion_swf_height[frame], swingFoot, newPosition) else: newPosition = motion_swf_height[frame].getJointPositionGlobal(stanceFoot) newPosition[1] -= offset aik.ik_analytic(motion_swf_height[frame], stanceFoot, newPosition) # return # motion_debug3[frame] = motion_swf_height[frame].copy() # motion_debug3[frame].translateByTarget(controlModel.getJointPositionGlobal(0)) motion_swf_height[frame].rotateByTarget(R_root) # restore foot global orientation motion_swf_height[frame].setJointOrientationGlobal(swingFoot, R_foot) motion_swf_height[frame].setJointOrientationGlobal(stanceFoot, R_stance_foot) if plot!=None: plot.addDataPoint('debug1', frame, height_tar) plot.addDataPoint('debug2', frame, height_cur) # plot.addDataPoint('diff', frame, diff) # swing foot orientation motion_swf_orientation.append(motion_swf_height[frame].copy()) motion_swf_orientation.goToFrame(frame) if SWING_FOOT_ORIENTATION: # swf_orientation_func = yfg.concatenate([yfg.zero, yfg.hermite2nd, yfg.one], [.25, .75]) for swingFoot in swingFoots: R_target_foot = motion_seg[curInterval[1]].getJointOrientationGlobal(swingFoot) R_current_foot = motion_swf_orientation[frame].getJointOrientationGlobal(swingFoot) motion_swf_orientation[frame].setJointOrientationGlobal(swingFoot, cm.slerp(R_current_foot, R_target_foot, swf_orientation_func(t))) # swf_stabilize_func = yfg.concatenate([yfg.hermite2nd, yfg.one], [c_taking_duration]) # push orientation # for swingFoot in swingFoots: # R_target_foot = motion_seg[frame].getJointOrientationGlobal(swingFoot) # R_current_foot = motion_swf_orientation[frame].getJointOrientationGlobal(swingFoot) # motion_swf_orientation[frame].setJointOrientationGlobal(swingFoot, cm.slerp(R_current_foot, R_target_foot , swf_stabilize_func(t))) # stance foot push motion_stf_push.append(motion_swf_orientation[frame].copy()) motion_stf_push.goToFrame(frame) if STANCE_FOOT_PUSH: for swingFoot in swingFoots: # max_t = (maxStfPushFrame)/float(curInterval[1]-curInterval[0]) # stf_push_func = yfg.concatenate([yfg.sine, yfg.zero], [max_t*2]) stf_push_func = yfg.concatenate([yfg.sine, yfg.zero], [c_taking_duration*2]) R_swp_sag = mm.I_SO3() # R_swp_sag = np.dot(R_swp_sag, mm.exp(diff_dCM_sag_axis * K_stp_vel * -stf_push_func(t))) # if step_length_cur[0] < step_length_tar[0]: # ratio = step_length_cur[0] / step_length_tar[0] # R_max = maxmaxStfPushFrame # R_zero = R_swp_sag = np.dot(R_swp_sag, mm.exp((step_length_tar[0] - step_length_cur[0])*step_axis[0] * K_stp_pos * -stf_push_func(t))) motion_stf_push[frame].mulJointOrientationGlobal(swingFoot, R_swp_sag) # stance foot balancing motion_stf_balancing.append(motion_stf_push[frame].copy()) motion_stf_balancing.goToFrame(frame) if STANCE_FOOT_BALANCING: R_stb = mm.exp(diff_dCM_axis * K_stb_vel * stf_balancing_func(t)) for stanceFoot in stanceFoots: if frame < 5: continue motion_stf_balancing[frame].mulJointOrientationGlobal(stanceFoot, R_stb) # control trajectory motion_control.append(motion_stf_balancing[frame].copy()) motion_control.goToFrame(frame) #======================================================================= # tracking with inverse dynamics #======================================================================= th_r = motion_control.getDOFPositions(frame) th = controlModel.getDOFPositions() dth_r = motion_control.getDOFVelocities(frame) dth = controlModel.getDOFVelocities() ddth_r = motion_control.getDOFAccelerations(frame) ddth_des = yct.getDesiredDOFAccelerations(th_r, th, dth_r, dth, ddth_r, Kt, Dt) #======================================================================= # simulation #======================================================================= CP = mm.v3(0.,0.,0.) F = mm.v3(0.,0.,0.) avg_dCM[0] = mm.v3(0.,0.,0.) # external force rendering info del rd_forces[:]; del rd_force_points[:] for fi in forceInfos: if fi.startFrame <= frame and frame < fi.startFrame + fi.duration*(1/frameTime): rd_forces.append(fi.force) rd_force_points.append(controlModel.getBodyPositionGlobal(fi.targetBody)) for i in range(stepsPerFrame): bodyIDs, contactPositions, contactPositionLocals, contactForces = vpWorld.calcPenaltyForce(bodyIDsToCheck, mus, Ks, Ds) vpWorld.applyPenaltyForce(bodyIDs, contactPositionLocals, contactForces) # apply external force for fi in forceInfos: if fi.startFrame <= frame and frame < fi.startFrame + fi.duration*(1/frameTime): controlModel.applyBodyForceGlobal(fi.targetBody, fi.force) controlModel.setDOFAccelerations(ddth_des) controlModel.solveHybridDynamics() if TORQUE_PLOT: rhip_torques[frame] += mm.length(controlModel.getJointTorqueLocal(rUpLeg)) rknee_torques[frame] += mm.length(controlModel.getJointTorqueLocal(rKnee)) rankle_torques[frame] += mm.length(controlModel.getJointTorqueLocal(rFoot)) rd_torques[:] = [controlModel.getJointTorqueLocal(i)/100. for i in range(skeleton.getJointNum())] rd_joint_positions[:] = controlModel.getJointPositionsGlobal() vpWorld.step() # yvu.align2D(controlModel) if len(contactForces) > 0: CP += yrp.getCP(contactPositions, contactForces) F += sum(contactForces) avg_dCM[0] += controlModel.getJointVelocityGlobal(0) # avg_dCM[0] += yrp.getCM(controlModel.getJointVelocitiesGlobal(), bodyMasses, upperMass, uppers) # avg_dCM[0] += yrp.getCM(controlModel.getJointVelocitiesGlobal(), bodyMasses, totalMass) # if len(stanceFoots)>0: # avg_stf_v[0] += controlModel.getJointVelocityGlobal(stanceFoots[0]) # avg_stf_av[0] += controlModel.getJointAngVelocityGlobal(stanceFoots[0]) CP /= stepsPerFrame F /= stepsPerFrame avg_dCM[0] /= stepsPerFrame # if len(stanceFoots)>0: # avg_stf_v[0] /= stepsPerFrame # avg_stf_av[0] /= stepsPerFrame # rd_vec1[0] = avg_stf_av[0]; rd_vec1[0][0] = 0.; rd_vec1[0][2] = 0. # rd_vecori1[0]= controlModel.getJointPositionGlobal(stanceFoots[0]) #======================================================================= # segment editing #======================================================================= lastFrame = False if SEGMENT_EDITING: if curState==yba.GaitState.STOP: if frame == len(motion_seg)-1: lastFrame = True elif (curState==yba.GaitState.LSWING or curState==yba.GaitState.RSWING) and t>c_min_contact_time: swingID = lID if curState==yba.GaitState.LSWING else rID contact = False if swingID in bodyIDs: minContactVel = 1000. for i in range(len(bodyIDs)): if bodyIDs[i]==swingID: vel = controlModel.getBodyVelocityGlobal(swingID, contactPositionLocals[i]) vel[1] = 0 contactVel = mm.length(vel) if contactVel < minContactVel: minContactVel = contactVel if minContactVel < c_min_contact_vel: contact = True extended[0] = False if contact: # print frame, 'foot touch' lastFrame = True acc_offset[0] += frame - curInterval[1] elif frame == len(motion_seg)-1: print frame, 'extend frame', frame+1 preserveJoints = [] # preserveJoints = [lFoot, rFoot] # preserveJoints = [lFoot, rFoot, lKnee, rKnee] # preserveJoints = [lFoot, rFoot, lKnee, rKnee, lUpLeg, rUpLeg] stanceKnees = [rKnee] if curState==yba.GaitState.LSWING else [lKnee] preserveJoints = [stanceFoots[0], stanceKnees[0], stanceLegs[0]] diff = 3 motion_seg_orig.extend([motion_seg_orig[-1]]) motion_seg.extend(ymt.extendByIntegration_root(motion_seg, 1, diff)) motion_stitch.extend(ymt.extendByIntegration_constant(motion_stitch, 1, preserveJoints, diff)) # # extend for swing foot ground speed matching & swing foot height lower ## extendedPostures = ymt.extendByIntegration(motion_stitch, 1, preserveJoints, diff) ## extendedPostures = [motion_stitch[-1]] ## # extendFrameNum = frame - curInterval[1] + 1 # k = 1.-extendFrameNum/5. # if k<0.: k=0. # extendedPostures = ymt.extendByIntegrationAttenuation(motion_stitch, 1, preserveJoints, diff, k) # ## if len(swingFoots)>0 and np.inner(dCM_tar, dCM)>0.: ## print frame, 'speed matching' ## R_swf = motion_stitch[-1].getJointOrientationGlobal(swingFoots[0]) ## ## p_swf = motion_stitch[-1].getJointPositionGlobal(swingFoots[0]) ## v_swf = motion_stitch.getJointVelocityGlobal(swingFoots[0], frame-diff, frame) ## a_swf = motion_stitch.getJointAccelerationGlobal(swingFoots[0], frame-diff, frame) ## p_swf += v_swf * (frameTime) + a_swf * (frameTime)*(frameTime) ## aik.ik_analytic(extendedPostures[0], swingFoots[0], p_swf) ## ## extendedPostures[0].setJointOrientationGlobal(swingFoots[0], R_swf) # # motion_stitch.extend(extendedPostures) extended[0] = True else: if frame == len(motion_seg)-1: lastFrame = True if lastFrame: if segIndex < len(segments)-1: print '%d (%d): end of %dth seg (%s, %s)'%(frame, frame-curInterval[1],segIndex, yba.GaitState.text[curState], curInterval) if plot!=None: plot.addDataPoint('diff', frame, (frame-curInterval[1])*.01) if len(stanceFoots)>0 and len(swingFoots)>0: # step_cur = controlModel.getJointPositionGlobal(swingFoots[0]) - controlModel.getJointPositionGlobal(stanceFoots[0]) # step_tar = motion_seg[curInterval[1]].getJointPositionGlobal(swingFoots[0]) - motion_seg[curInterval[1]].getJointPositionGlobal(stanceFoots[0]) step_cur = controlModel.getJointPositionGlobal(0) - controlModel.getJointPositionGlobal(stanceFoots[0]) step_tar = motion_seg[curInterval[1]].getJointPositionGlobal(0) - motion_seg[curInterval[1]].getJointPositionGlobal(stanceFoots[0]) step_cur = mm.projectionOnPlane(step_cur, (1,0,0), (0,0,1)) step_tar = mm.projectionOnPlane(step_tar, (1,0,0), (0,0,1)) step_cur_sag, step_cur_cor = mm.projectionOnVector2(step_cur, direction) step_tar_sag, step_tar_cor = mm.projectionOnVector2(step_tar, direction) step_length_tar[0] = mm.length(step_tar_sag) if np.inner(step_tar_sag, step_cur_sag) > 0: step_length_cur[0] = mm.length(step_cur_sag) else: step_length_cur[0] = -mm.length(step_cur_sag) step_axis[0] = directionAxis # rd_vec1[0] = step_tar_sag # rd_vecori1[0] = motion_seg[curInterval[1]].getJointPositionGlobal(stanceFoots[0]) # rd_vec2[0] = step_cur_sag # rd_vecori2[0] = controlModel.getJointPositionGlobal(stanceFoots[0]) seg_index[0] += 1 curSeg = segments[seg_index[0]] stl_y_limit_num[0] = 0 stl_xz_limit_num[0] = 0 del motion_seg_orig[frame+1:] motion_seg_orig.extend(ymb.getAttachedNextMotion(curSeg, motion_seg_orig[-1], False, False)) del motion_seg[frame+1:] del motion_stitch[frame+1:] transitionLength = len(curSeg)-1 # motion_seg.extend(ymb.getAttachedNextMotion(curSeg, motion_seg[-1], False, False)) # motion_stitch.extend(ymb.getStitchedNextMotion(curSeg, motion_control[-1], transitionLength, stitch_func, True, False)) d = motion_seg[-1] - curSeg[0] d.rootPos[1] = 0. motion_seg.extend(ymb.getAttachedNextMotion(curSeg, d, True, False)) if NO_FOOT_SLIDING: if segIndex == len(segments)-2: Rl = motion_control[-1].getJointOrientationLocal(lUpLeg) Rr = motion_control[-1].getJointOrientationLocal(rUpLeg) Rlk = motion_control[-1].getJointOrientationLocal(lKnee) Rrk = motion_control[-1].getJointOrientationLocal(rKnee) Rlf = motion_control[-1].getJointOrientationLocal(lFoot) Rrf = motion_control[-1].getJointOrientationLocal(rFoot) for p in curSeg: p.setJointOrientationLocal(lUpLeg, Rl, False) p.setJointOrientationLocal(rUpLeg, Rr, False) p.setJointOrientationLocal(lKnee, Rlk, False) p.setJointOrientationLocal(rKnee, Rrk, False) p.setJointOrientationLocal(lFoot, Rlf, False) p.setJointOrientationLocal(rFoot, Rrf, False) p.updateGlobalT() d = motion_control[-1] - curSeg[0] d.rootPos[1] = 0. motion_stitch.extend(ymb.getStitchedNextMotion(curSeg, d, transitionLength, stitch_func, True, False)) # motion_seg.extend(ymb.getAttachedNextMotion(curSeg, motion_seg[-1], False, True)) # motion_stitch.extend(ymb.getStitchedNextMotion(curSeg, motion_control[-1], transitionLength, stitch_func, True, True)) else: motion_seg_orig.append(motion_seg_orig[-1]) motion_seg.append(motion_seg[-1]) motion_stitch.append(motion_control[-1]) # rendering motionModel.update(motion_ori[frame]) # motionModel.update(motion_seg[frame]) if SAVE_SIMULATION: p_temp = ym.JointPosture(skeleton) p_temp.initLocalRs() p_temp.rootPos = controlModel.getJointPositionGlobal(0) p_temp.setJointOrientationsLocal(controlModel.getJointOrientationsLocal()) motion_simulation.append(p_temp) if frame == viewer.getMaxFrame(): saveFilePath = SAVE_DIR+'simulated_'+filename yf.writeBvhFile(saveFilePath, motion_simulation) print saveFilePath, 'saved' viewer.setSimulateCallback(simulateCallback) viewer.startTimer(frameTime / 1.4) # viewer.startTimer(frameTime * .4) viewer.show() Fl.run()
def push_simbicon_mass(): # Trunk 29.27 # Head 5.89 # Pelvis 16.61 # Thigh 8.35 # Shank 4.16 # Foot 1.34 # Arm 2.79 # Forearm 1.21 # Hand 0.55 class ForceInfo: def __init__(self, startFrame, duration, force): self.startFrame = startFrame # frame self.duration = duration # sec self.force = force # Newton self.targetBody = None #=============================================================================== # load motion #=============================================================================== MULTI_VIEWER = False CAMERA_TRACKING = True TORQUE_PLOT = False # global parameters Kt = 60.; Dt = 2*(Kt**.5) Ks = 4000.; Ds = 2*(Ks**.5) K_stb_vel = .1 mu = 2. # constaants c_min_contact_vel = 100. # c_min_contact_vel = 2. c_min_contact_time = .7 c_landing_duration = .2 c_taking_duration = .3 # c_swf_mid_offset = .0 c_swf_mid_offset = .02 c_swf_stability = .5 c_locking_vel = .05 # c_swf_offset = .0 c_swf_offset = .01 # c_swf_offset = .005 K_stp_pos = 0. # c5 = .5; c6 = .01 c5 = .5; c6 = .02 # c5 = .5; c6 = .05 # c5 = 1.; c6 = .05 # c5 = .0; c6 = .0 K_stb_vel = .1 K_stb_pos = .1 OLD_SWING_HEIGHT = False # OLD_SWING_HEIGHT = True HIGHER_OFFSET = True # HIGHER_OFFSET = False dir = './ppmotion/' # max push # forceInfos = [] # maximum # forceInfos = [ForceInfo(4*i*30, .4, (160,0,0)) for i in range(2,12)] # forceInfos = [ForceInfo(4*i*30, .4, (-130,0,0)) for i in range(2,12)] # forceInfos = [ForceInfo(4*i*30, .4, (0,0,80)) for i in range(2,12)] forceInfos = [ForceInfo(4*i*30+1, .4, (0,0,-105)) for i in range(2,12)] # # maximum with more checking # forceInfos = [ForceInfo(4*i*30, .4, (145,0,0)) for i in range(2,12)] # forceInfos = [ForceInfo(4*i*30+1, .4, (-120,0,0)) for i in range(2,12)] # forceInfos = [ForceInfo(4*i*30+1, .4, (0,0,80)) for i in range(2,12)] # forceInfos = [ForceInfo(4*i*30, .4, (0,0,-105)) for i in range(2,12)] # # for video # forceInfos = [ForceInfo(4*i*30+2, .4, (160,0,0)) for i in range(2,4)] \ # + [ForceInfo(4*i*30+2, .4, (0,0,-105)) for i in range(4,6)] \ # + [ForceInfo(4*i*30+2, .4, (-130,0,0)) for i in range(6,8)] \ # + [ForceInfo(4*i*30+2, .4, (0,0,80)) for i in range(8,10)] # Kt = 40.; Dt = 2*(Kt**.5) # Ks = 3000.; Ds = 2*(Ks**.5) # mu = 1. # c_swf_mid_offset = .04 # K_swp_vel_sag = .0; K_swp_vel_sag_faster = .0; # K_swp_pos_sag = 1.5; K_swp_pos_sag_faster = .1; # K_swp_vel_cor = .25; K_swp_pos_cor = .3 # K_stp_pos = 0. # K_stb_vel = .02 # K_stb_pos = .15 Kt = 40.; Dt = 2*(Kt**.5) Ks = 3000.; Ds = 2*(Ks**.5) mu = 1.5 c_swf_mid_offset = .04 K_swp_vel_sag = .05; K_swp_vel_sag_faster = .0; K_swp_pos_sag = 1.7; K_swp_pos_sag_faster = .1; K_swp_vel_cor = .25; K_swp_pos_cor = .3 # K_stb_vel = .02 # K_stb_pos = .15 filename = 'wd2_WalkSameSame01_REPEATED.bvh' motion_ori = yf.readBvhFile(dir+filename) frameTime = 1/motion_ori.fps if 'REPEATED' in filename: REPEATED = True CAMERA_TRACKING = True else: REPEATED = False #=============================================================================== # options #=============================================================================== SEGMENT_EDITING = True STANCE_FOOT_STABILIZE = True MATCH_STANCE_LEG = True SWING_FOOT_PLACEMENT = True SWING_FOOT_HEIGHT = True if '_FOOT' in filename: SWING_FOOT_ORIENTATION = True else: SWING_FOOT_ORIENTATION = False STANCE_FOOT_PUSH = True STANCE_FOOT_BALANCING = True stitch_func = lambda x : 1. - yfg.hermite2nd(x) stf_stabilize_func = yfg.concatenate([yfg.hermite2nd, yfg.one], [c_landing_duration]) match_stl_func = yfg.hermite2nd # match_stl_func_y = yfg.hermite2nd swf_placement_func = yfg.hermite2nd swf_height_func = yfg.hermite2nd swf_height_sine_func = yfg.sine # stf_balancing_func = yfg.concatenate([yfg.hermite2nd, yfg.one], [c_landing_duration]) stf_balancing_func = yfg.hermite2nd #=============================================================================== # initialize character #=============================================================================== # mcfgfile = open(dir + 'mcfg', 'r') mcfgfile = open('mcfg_simbicon', 'r') mcfg = cPickle.load(mcfgfile) mcfgfile.close() wcfg = ypc.WorldConfig() wcfg.planeHeight = 0. wcfg.useDefaultContactModel = False wcfg.lockingVel = c_locking_vel stepsPerFrame = 30 wcfg.timeStep = (frameTime)/stepsPerFrame vpWorld = cvw.VpWorld(wcfg) motionModel = cvm.VpMotionModel(vpWorld, motion_ori[0], mcfg) controlModel = cvm.VpControlModel(vpWorld, motion_ori[0], mcfg) vpWorld.initialize() print controlModel motionModel.recordVelByFiniteDiff() controlModel.initializeHybridDynamics() #=============================================================================== # load segment info #=============================================================================== skeleton = motion_ori[0].skeleton segname = os.path.splitext(filename)[0]+'.seg' segfile = open(dir+segname, 'r') seginfo = cPickle.load(segfile) segfile.close() intervals = [info['interval'] for info in seginfo] states = [info['state'] for info in seginfo] temp_motion = copy.deepcopy(motion_ori) segments = yma.splitMotionIntoSegments(temp_motion, intervals) print len(intervals), 'segments' for i in range(len(intervals)): print '%dth'%i, yba.GaitState.text[states[i]], intervals[i], ',', print motion_seg_orig = ym.JointMotion() motion_seg_orig += segments[0] motion_seg = ym.JointMotion() motion_seg += segments[0] motion_stitch = ym.JointMotion() motion_stitch += segments[0] motion_stf_stabilize = ym.JointMotion() motion_match_stl = ym.JointMotion() motion_swf_placement = ym.JointMotion() motion_swf_height = ym.JointMotion() motion_swf_orientation = ym.JointMotion() motion_stf_balancing = ym.JointMotion() motion_stf_push = ym.JointMotion() motion_control = ym.JointMotion() motion_debug1 = ym.JointMotion() motion_debug2 = ym.JointMotion() motion_debug3 = ym.JointMotion() P = ym.JointMotion() P_hat = ym.JointMotion() M_tc = ym.JointMotion() M_hat_tc_1 = ym.JointMotion() #=============================================================================== # loop variable #=============================================================================== seg_index = [0] acc_offset = [0] extended = [False] prev_R_swp = [None] stl_y_limit_num = [0] stl_xz_limit_num = [0] avg_dCM = [mm.O_Vec3()] # avg_stf_v = [mm.O_Vec3()] # avg_stf_av = [mm.O_Vec3()] # stf_push_func = [yfg.zero] step_length_cur = [0.] step_length_tar = [0.] step_axis = [mm.O_Vec3()] #=============================================================================== # information #=============================================================================== bodyIDsToCheck = range(vpWorld.getBodyNum()) mus = [mu]*len(bodyIDsToCheck) bodyMasses = controlModel.getBodyMasses() totalMass = controlModel.getTotalMass() lID = controlModel.name2id('LeftFoot'); rID = controlModel.name2id('RightFoot') lUpLeg = skeleton.getJointIndex('LeftUpLeg');rUpLeg = skeleton.getJointIndex('RightUpLeg') lKnee = skeleton.getJointIndex('LeftLeg'); rKnee = skeleton.getJointIndex('RightLeg') lFoot = skeleton.getJointIndex('LeftFoot'); rFoot = skeleton.getJointIndex('RightFoot') spine = skeleton.getJointIndex('Spine') uppers = [skeleton.getJointIndex(name) for name in ['Hips', 'Spine', 'Spine1', 'LeftArm', 'LeftForeArm', 'RightArm', 'RightForeArm']] upperMass = sum([bodyMasses[i] for i in uppers]) lLegs = [skeleton.getJointIndex(name) for name in ['LeftUpLeg', 'LeftLeg', 'LeftFoot']] rLegs = [skeleton.getJointIndex(name) for name in ['RightUpLeg', 'RightLeg', 'RightFoot']] allJoints = set(range(skeleton.getJointNum())) halfFootHeight = controlModel.getBodyShape(lFoot)[1] / 2. for fi in forceInfos: fi.targetBody = spine #=========================================================================== # data collection #=========================================================================== rhip_torques = [] rknee_torques = [] rankle_torques = [] #=============================================================================== # rendering #=============================================================================== rd_CM = [None]; rd_CP = [None]; rd_CMP = [None] rd_forces = [None]; rd_force_points = [None] rd_torques = []; rd_joint_positions = [] rd_point1 = [None] rd_point2 = [None] rd_vec1 = [None]; rd_vecori1 = [None] rd_vec2 = [None]; rd_vecori2 = [None] rd_frame1 = [None] rd_frame2 = [None] if MULTI_VIEWER: viewer = ymv.MultiViewer(800, 655, True, wheelWork=True) # viewer = ymv.MultiViewer(1600, 1255) viewer.setRenderers1([cvr.VpModelRenderer(motionModel, MOTION_COLOR, yr.POLYGON_FILL)]) viewer.setRenderers2([cvr.VpModelRenderer(controlModel, CHARACTER_COLOR, yr.POLYGON_FILL), yr.ForcesRenderer(rd_forces, rd_force_points, (255,0,0), ratio=.01, lineWidth=.04, fromPoint=False)]) # viewer.glWindow2.groundOffset[0] -= 10 viewer.glWindow2.groundSize = 100 else: viewer = ysv.SimpleViewer() # viewer.record(False) # viewer.doc.addRenderer('motionModel', cvr.VpModelRenderer(motionModel, (0,150,255), yr.POLYGON_LINE)) viewer.doc.addRenderer('controlModel', cvr.VpModelRenderer(controlModel, (200,200,200), yr.POLYGON_LINE)) # viewer.doc.addObject('motion_ori', motion_ori) # viewer.doc.addRenderer('motion_ori', yr.JointMotionRenderer(motion_ori, (0,100,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_seg_orig', yr.JointMotionRenderer(motion_seg_orig, (0,100,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_seg', yr.JointMotionRenderer(motion_seg, (0,150,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_stitch', yr.JointMotionRenderer(motion_stitch, (0,255,200), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_stf_stabilize', yr.JointMotionRenderer(motion_stf_stabilize, (255,0,0), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_match_stl', yr.JointMotionRenderer(motion_match_stl, (255,200,0), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_swf_placement', yr.JointMotionRenderer(motion_swf_placement, (255,100,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_swf_height', yr.JointMotionRenderer(motion_swf_height, (50,255,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_swf_orientation', yr.JointMotionRenderer(motion_swf_orientation, (255,100,0), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_stf_push', yr.JointMotionRenderer(motion_stf_push, (50,255,200), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_stf_balancing', yr.JointMotionRenderer(motion_stf_balancing, (255,100,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_control', yr.JointMotionRenderer(motion_control, (255,0,0), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_debug1', yr.JointMotionRenderer(motion_debug1, (0,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_debug2', yr.JointMotionRenderer(motion_debug2, (255,0,255), yr.LINK_BONE)) # viewer.doc.addRenderer('motion_debug3', yr.JointMotionRenderer(motion_debug3, (255,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('M_tc', yr.JointMotionRenderer(M_tc, (255,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('P_hat', yr.JointMotionRenderer(P_hat, (255,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('P', yr.JointMotionRenderer(P, (255,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('M_hat_tc_1', yr.JointMotionRenderer(M_hat_tc_1, (255,255,0), yr.LINK_BONE)) # viewer.doc.addRenderer('rd_CM', yr.PointsRenderer(rd_CM, (255,255,0))) # viewer.doc.addRenderer('rd_CP', yr.PointsRenderer(rd_CP, (255,0,0))) # viewer.doc.addRenderer('rd_CMP', yr.PointsRenderer(rd_CMP, (0,255,0))) viewer.doc.addRenderer('forces', yr.ForcesRenderer(rd_forces, rd_force_points, (255,0,0), ratio=.01, lineWidth=.04, fromPoint=False)) # viewer.doc.addRenderer('torques', yr.VectorsRenderer(rd_torques, rd_joint_positions, (255,0,0))) # viewer.doc.addRenderer('rd_point1', yr.PointsRenderer(rd_point1, (0,255,0))) # viewer.doc.addRenderer('rd_point2', yr.PointsRenderer(rd_point2, (255,0,0))) # viewer.doc.addRenderer('rd_vec1', yr.VectorsRenderer(rd_vec1, rd_vecori1, (255,0,0))) # viewer.doc.addRenderer('rd_vec2', yr.VectorsRenderer(rd_vec2, rd_vecori2, (0,255,0))) # viewer.doc.addRenderer('rd_frame1', yr.FramesRenderer(rd_frame1, (0,200,200))) # viewer.doc.addRenderer('rd_frame2', yr.FramesRenderer(rd_frame2, (200,200,0))) # viewer.setMaxFrame(len(motion_ori)-1) if not REPEATED: viewer.setMaxFrame(len(motion_ori)-1) else: viewer.setMaxFrame(1440) if CAMERA_TRACKING: if MULTI_VIEWER: cameraTargets1 = [None] * (viewer.getMaxFrame()+1) cameraTargets2 = [None] * (viewer.getMaxFrame()+1) else: cameraTargets = [None] * (viewer.getMaxFrame()+1) if TORQUE_PLOT: rhip_torques = [0.]*viewer.getMaxFrame() rknee_torques = [0.]*viewer.getMaxFrame() rankle_torques = [0.]*viewer.getMaxFrame() pt = [0.] def postFrameCallback_Always(frame): if frame==1: pt[0] = time.time() if frame==31: print 'elapsed time for 30 frames:', time.time()-pt[0] if CAMERA_TRACKING: if MULTI_VIEWER: if cameraTargets1[frame]==None: cameraTargets1[frame] = motionModel.getBodyPositionGlobal(0) # cameraTargets1[frame] = motion_ori[frame].getJointPositionGlobal(0) viewer.setCameraTarget1(cameraTargets1[frame]) if cameraTargets2[frame]==None: cameraTargets2[frame] = controlModel.getJointPositionGlobal(0) viewer.setCameraTarget2(cameraTargets2[frame]) else: if cameraTargets[frame]==None: cameraTargets[frame] = controlModel.getJointPositionGlobal(0) viewer.setCameraTarget(cameraTargets[frame]) if plot!=None: plot.updateVline(frame) viewer.setPostFrameCallback_Always(postFrameCallback_Always) plot = None # plot = ymp.InteractivePlot() if plot!=None: plot.setXlimit(0, len(motion_ori)) plot.setYlimit(0., 1.) plot.addDataSet('zero') plot.addDataSet('diff') plot.addDataSet('debug1') plot.addDataSet('debug2') def viewer_onClose(data): if plot!=None: plot.close() viewer.onClose(data) viewer.callback(viewer_onClose) def simulateCallback(frame): # seginfo segIndex = seg_index[0] curState = seginfo[segIndex]['state'] curInterval = yma.offsetInterval(acc_offset[0], seginfo[segIndex]['interval']) stanceLegs = seginfo[segIndex]['stanceHips'] swingLegs = seginfo[segIndex]['swingHips'] stanceFoots = seginfo[segIndex]['stanceFoots'] swingFoots = seginfo[segIndex]['swingFoots'] swingKnees = seginfo[segIndex]['swingKnees'] groundHeight = seginfo[segIndex]['ground_height'] # maxStfPushFrame = seginfo[segIndex]['max_stf_push_frame'] prev_frame = frame-1 if frame>0 else 0 # prev_frame = frame # information # dCM_tar = yrp.getCM(motion_seg.getJointVelocitiesGlobal(frame), bodyMasses, upperMass, uppers) # CM_tar = yrp.getCM(motion_seg.getJointPositionsGlobal(frame), bodyMasses, upperMass, uppers) ## dCM_tar = yrp.getCM(motion_seg.getJointVelocitiesGlobal(frame), bodyMasses, totalMass) ## CM_tar = yrp.getCM(motion_seg.getJointPositionsGlobal(frame), bodyMasses, totalMass) # stf_tar = motion_seg.getJointPositionGlobal(stanceFoots[0], frame) # CMr_tar = CM_tar - stf_tar dCM_tar = motion_seg.getJointVelocityGlobal(0, prev_frame) CM_tar = motion_seg.getJointPositionGlobal(0, prev_frame) # dCM_tar = yrp.getCM(motion_seg.getJointVelocitiesGlobal(prev_frame), bodyMasses, upperMass, uppers) # CM_tar = yrp.getCM(motion_seg.getJointPositionsGlobal(prev_frame), bodyMasses, upperMass, uppers) # dCM_tar = yrp.getCM(motion_seg.getJointVelocitiesGlobal(prev_frame), bodyMasses, totalMass) # CM_tar = yrp.getCM(motion_seg.getJointPositionsGlobal(prev_frame), bodyMasses, totalMass) stf_tar = motion_seg.getJointPositionGlobal(stanceFoots[0], prev_frame) CMr_tar = CM_tar - stf_tar dCM = avg_dCM[0] CM = controlModel.getJointPositionGlobal(0) # CM = yrp.getCM(controlModel.getJointPositionsGlobal(), bodyMasses, upperMass, uppers) # CM = yrp.getCM(controlModel.getJointPositionsGlobal(), bodyMasses, totalMass) CMreal = yrp.getCM(controlModel.getJointPositionsGlobal(), bodyMasses, totalMass) stf = controlModel.getJointPositionGlobal(stanceFoots[0]) CMr = CM - stf diff_dCM = mm.projectionOnPlane(dCM-dCM_tar, (1,0,0), (0,0,1)) diff_dCM_axis = np.cross((0,1,0), diff_dCM) rd_vec1[0] = diff_dCM; rd_vecori1[0] = CM_tar diff_CMr = mm.projectionOnPlane(CMr-CMr_tar, (1,0,0), (0,0,1)) # rd_vec1[0] = diff_CMr; rd_vecori1[0] = stf_tar diff_CMr_axis = np.cross((0,1,0), diff_CMr) direction = mm.normalize2(mm.projectionOnPlane(dCM_tar, (1,0,0), (0,0,1))) # direction = mm.normalize2(mm.projectionOnPlane(dCM, (1,0,0), (0,0,1))) directionAxis = np.cross((0,1,0), direction) diff_dCM_sag, diff_dCM_cor = mm.projectionOnVector2(diff_dCM, direction) # rd_vec1[0] = diff_dCM_sag; rd_vecori1[0] = CM_tar diff_dCM_sag_axis = np.cross((0,1,0), diff_dCM_sag) diff_dCM_cor_axis = np.cross((0,1,0), diff_dCM_cor) diff_CMr_sag, diff_CMr_cor = mm.projectionOnVector2(diff_CMr, direction) diff_CMr_sag_axis = np.cross((0,1,0), diff_CMr_sag) diff_CMr_cor_axis = np.cross((0,1,0), diff_CMr_cor) t = (frame-curInterval[0])/float(curInterval[1]-curInterval[0]) t_raw = t if t>1.: t=1. p_root = motion_stitch[frame].getJointPositionGlobal(0) R_root = motion_stitch[frame].getJointOrientationGlobal(0) motion_seg_orig.goToFrame(frame) motion_seg.goToFrame(frame) motion_stitch.goToFrame(frame) motion_debug1.append(motion_stitch[frame].copy()) motion_debug1.goToFrame(frame) motion_debug2.append(motion_stitch[frame].copy()) motion_debug2.goToFrame(frame) motion_debug3.append(motion_stitch[frame].copy()) motion_debug3.goToFrame(frame) # paper implementation M_tc.append(motion_stitch[prev_frame]) M_tc.goToFrame(frame) P_hat.append(M_tc[frame].copy()) P_hat.goToFrame(frame) p_temp = ym.JointPosture(skeleton) p_temp.rootPos = controlModel.getJointPositionGlobal(0) p_temp.setJointOrientationsLocal(controlModel.getJointOrientationsLocal()) P.append(p_temp) P.goToFrame(frame) # stance foot stabilize motion_stf_stabilize.append(motion_stitch[frame].copy()) motion_stf_stabilize.goToFrame(frame) if STANCE_FOOT_STABILIZE: for stanceFoot in stanceFoots: R_target_foot = motion_seg[frame].getJointOrientationGlobal(stanceFoot) R_current_foot = motion_stf_stabilize[frame].getJointOrientationGlobal(stanceFoot) motion_stf_stabilize[frame].setJointOrientationGlobal(stanceFoot, cm.slerp(R_current_foot, R_target_foot , stf_stabilize_func(t))) # R_target_foot = motion_seg[frame].getJointOrientationLocal(stanceFoot) # R_current_foot = motion_stf_stabilize[frame].getJointOrientationLocal(stanceFoot) # motion_stf_stabilize[frame].setJointOrientationLocal(stanceFoot, cm.slerp(R_current_foot, R_target_foot , stf_stabilize_func(t))) # match stance leg motion_match_stl.append(motion_stf_stabilize[frame].copy()) motion_match_stl.goToFrame(frame) if MATCH_STANCE_LEG: if curState!=yba.GaitState.STOP: for i in range(len(stanceLegs)): stanceLeg = stanceLegs[i] stanceFoot = stanceFoots[i] # # motion stance leg -> character stance leg as time goes R_motion = motion_match_stl[frame].getJointOrientationGlobal(stanceLeg) R_character = controlModel.getJointOrientationGlobal(stanceLeg) motion_match_stl[frame].setJointOrientationGlobal(stanceLeg, cm.slerp(R_motion, R_character, match_stl_func(t))) # t_y = match_stl_func_y(t) # t_xz = match_stl_func(t) # # R_motion = motion_match_stl[frame].getJointOrientationGlobal(stanceLeg) # R_character = controlModel.getJointOrientationGlobal(stanceLeg) # R = np.dot(R_character, R_motion.T) # R_y, R_xz = mm.projectRotation((0,1,0), R) # motion_match_stl[frame].mulJointOrientationGlobal(stanceLeg, mm.scaleSO3(R_xz, t_xz)) # motion_match_stl[frame].mulJointOrientationGlobal(stanceLeg, mm.scaleSO3(R_y, t_y)) # swing foot placement motion_swf_placement.append(motion_match_stl[frame].copy()) motion_swf_placement.goToFrame(frame) if SWING_FOOT_PLACEMENT: t_swing_foot_placement = swf_placement_func(t); if extended[0]: R_swp_sag = prev_R_swp[0][0] R_swp_cor = prev_R_swp[0][1] else: R_swp_sag = mm.I_SO3(); R_swp_cor = mm.I_SO3() R_swp_cor = np.dot(R_swp_cor, mm.exp(diff_dCM_cor_axis * K_swp_vel_cor * -t_swing_foot_placement)) if np.dot(direction, diff_CMr_sag) < 0: R_swp_sag = np.dot(R_swp_sag, mm.exp(diff_dCM_sag_axis * K_swp_vel_sag * -t_swing_foot_placement)) R_swp_sag = np.dot(R_swp_sag, mm.exp(diff_CMr_sag_axis * K_swp_pos_sag * -t_swing_foot_placement)) else: R_swp_sag = np.dot(R_swp_sag, mm.exp(diff_dCM_sag_axis * K_swp_vel_sag_faster * -t_swing_foot_placement)) R_swp_sag = np.dot(R_swp_sag, mm.exp(diff_CMr_sag_axis * K_swp_pos_sag_faster * -t_swing_foot_placement)) R_swp_cor = np.dot(R_swp_cor, mm.exp(diff_CMr_cor_axis * K_swp_pos_cor * -t_swing_foot_placement)) for i in range(len(swingLegs)): swingLeg = swingLegs[i] swingFoot = swingFoots[i] # save swing foot global orientation # R_swf = motion_swf_placement[frame].getJointOrientationGlobal(swingFoot) # rotate swing leg motion_swf_placement[frame].mulJointOrientationGlobal(swingLeg, R_swp_sag) motion_swf_placement[frame].mulJointOrientationGlobal(swingLeg, R_swp_cor) # restore swing foot global orientation # motion_swf_placement[frame].setJointOrientationGlobal(swingFoot, R_swf) prev_R_swp[0] = (R_swp_sag, R_swp_cor) # swing foot height motion_swf_height.append(motion_swf_placement[frame].copy()) motion_swf_height.goToFrame(frame) if SWING_FOOT_HEIGHT: for swingFoot in swingFoots: stanceFoot = stanceFoots[0] # save foot global orientation R_foot = motion_swf_height[frame].getJointOrientationGlobal(swingFoot) R_stance_foot = motion_swf_height[frame].getJointOrientationGlobal(stanceFoot) if OLD_SWING_HEIGHT: height_tar = motion_swf_height[frame].getJointPositionGlobal(swingFoot)[1] - motion_swf_height[frame].getJointPositionGlobal(stanceFoot)[1] else: height_tar = motion_swf_height[prev_frame].getJointPositionGlobal(swingFoot)[1] - groundHeight d_height_tar = motion_swf_height.getJointVelocityGlobal(swingFoot, prev_frame)[1] # height_tar += c_swf_mid_offset * swf_height_sine_func(t) # motion_debug1[frame] = motion_swf_height[frame].copy() # rotate motion_swf_height[frame].rotateByTarget(controlModel.getJointOrientationGlobal(0)) # motion_debug2[frame] = motion_swf_height[frame].copy() # motion_debug2[frame].translateByTarget(controlModel.getJointPositionGlobal(0)) if OLD_SWING_HEIGHT: height_cur = motion_swf_height[frame].getJointPositionGlobal(swingFoot)[1] - motion_swf_height[frame].getJointPositionGlobal(stanceFoot)[1] else: height_cur = controlModel.getJointPositionGlobal(swingFoot)[1] - halfFootHeight - c_swf_offset d_height_cur = controlModel.getJointVelocityGlobal(swingFoot)[1] if OLD_SWING_HEIGHT: offset_height = (height_tar - height_cur) * swf_height_func(t) * c5 else: offset_height = ((height_tar - height_cur) * c5 + (d_height_tar - d_height_cur) * c6) * swf_height_func(t) offset_sine = c_swf_mid_offset * swf_height_sine_func(t) # offset_sine = 0. offset = 0. offset += offset_height offset += offset_sine if offset > 0.: newPosition = motion_swf_height[frame].getJointPositionGlobal(swingFoot) newPosition[1] += offset aik.ik_analytic(motion_swf_height[frame], swingFoot, newPosition) else: if HIGHER_OFFSET: newPosition = motion_swf_height[frame].getJointPositionGlobal(stanceFoot) newPosition[1] -= offset aik.ik_analytic(motion_swf_height[frame], stanceFoot, newPosition) # return # motion_debug3[frame] = motion_swf_height[frame].copy() # motion_debug3[frame].translateByTarget(controlModel.getJointPositionGlobal(0)) motion_swf_height[frame].rotateByTarget(R_root) # restore foot global orientation motion_swf_height[frame].setJointOrientationGlobal(swingFoot, R_foot) motion_swf_height[frame].setJointOrientationGlobal(stanceFoot, R_stance_foot) if plot!=None: plot.addDataPoint('debug1', frame, offset_height) plot.addDataPoint('debug2', frame, height_tar - height_cur) # plot.addDataPoint('diff', frame, diff) # swing foot orientation motion_swf_orientation.append(motion_swf_height[frame].copy()) motion_swf_orientation.goToFrame(frame) if SWING_FOOT_ORIENTATION: swf_orientation_func = yfg.concatenate([yfg.zero, yfg.hermite2nd, yfg.one], [.25, .75]) for swingFoot in swingFoots: R_target_foot = motion_seg[curInterval[1]].getJointOrientationGlobal(swingFoot) R_current_foot = motion_swf_orientation[frame].getJointOrientationGlobal(swingFoot) motion_swf_orientation[frame].setJointOrientationGlobal(swingFoot, cm.slerp(R_current_foot, R_target_foot, swf_orientation_func(t))) # swf_stabilize_func = yfg.concatenate([yfg.hermite2nd, yfg.one], [c_taking_duration]) # push orientation # for swingFoot in swingFoots: # R_target_foot = motion_seg[frame].getJointOrientationGlobal(swingFoot) # R_current_foot = motion_swf_orientation[frame].getJointOrientationGlobal(swingFoot) # motion_swf_orientation[frame].setJointOrientationGlobal(swingFoot, cm.slerp(R_current_foot, R_target_foot , swf_stabilize_func(t))) # stance foot push motion_stf_push.append(motion_swf_orientation[frame].copy()) motion_stf_push.goToFrame(frame) if STANCE_FOOT_PUSH: for swingFoot in swingFoots: # max_t = (maxStfPushFrame)/float(curInterval[1]-curInterval[0]) # stf_push_func = yfg.concatenate([yfg.sine, yfg.zero], [max_t*2]) stf_push_func = yfg.concatenate([yfg.sine, yfg.zero], [c_taking_duration*2]) R_swp_sag = mm.I_SO3() # R_swp_sag = np.dot(R_swp_sag, mm.exp(diff_dCM_sag_axis * K_stp_vel * -stf_push_func(t))) # if step_length_cur[0] < step_length_tar[0]: # ratio = step_length_cur[0] / step_length_tar[0] # R_max = maxmaxStfPushFrame # R_zero = R_swp_sag = np.dot(R_swp_sag, mm.exp((step_length_tar[0] - step_length_cur[0])*step_axis[0] * K_stp_pos * -stf_push_func(t))) motion_stf_push[frame].mulJointOrientationGlobal(swingFoot, R_swp_sag) # stance foot balancing motion_stf_balancing.append(motion_stf_push[frame].copy()) motion_stf_balancing.goToFrame(frame) if STANCE_FOOT_BALANCING: R_stb = mm.exp(diff_dCM_axis * K_stb_vel * stf_balancing_func(t)) R_stb = np.dot(R_stb, mm.exp(diff_CMr_axis * K_stb_pos * stf_balancing_func(t))) for stanceFoot in stanceFoots: if frame < 5: continue motion_stf_balancing[frame].mulJointOrientationGlobal(stanceFoot, R_stb) # control trajectory motion_control.append(motion_stf_balancing[frame].copy()) motion_control.goToFrame(frame) #======================================================================= # tracking with inverse dynamics #======================================================================= th_r = motion_control.getDOFPositions(frame) th = controlModel.getDOFPositions() dth_r = motion_control.getDOFVelocities(frame) dth = controlModel.getDOFVelocities() ddth_r = motion_control.getDOFAccelerations(frame) ddth_des = yct.getDesiredDOFAccelerations(th_r, th, dth_r, dth, ddth_r, Kt, Dt) #======================================================================= # simulation #======================================================================= CP = mm.v3(0.,0.,0.) F = mm.v3(0.,0.,0.) avg_dCM[0] = mm.v3(0.,0.,0.) # external force rendering info del rd_forces[:]; del rd_force_points[:] for fi in forceInfos: if fi.startFrame <= frame and frame < fi.startFrame + fi.duration*(1/frameTime): rd_forces.append(fi.force) rd_force_points.append(controlModel.getBodyPositionGlobal(fi.targetBody) + -mm.normalize2(fi.force)*.2) for i in range(stepsPerFrame): bodyIDs, contactPositions, contactPositionLocals, contactForces = vpWorld.calcPenaltyForce(bodyIDsToCheck, mus, Ks, Ds) vpWorld.applyPenaltyForce(bodyIDs, contactPositionLocals, contactForces) # apply external force for fi in forceInfos: if fi.startFrame <= frame and frame < fi.startFrame + fi.duration*(1/frameTime): controlModel.applyBodyForceGlobal(fi.targetBody, fi.force) controlModel.setDOFAccelerations(ddth_des) controlModel.solveHybridDynamics() # # apply external force # for fi in forceInfos: # if fi.startFrame <= frame and frame < fi.startFrame + fi.duration*(1/frameTime): # controlModel.applyBodyForceGlobal(fi.targetBody, fi.force) vpWorld.step() # yvu.align2D(controlModel) if len(contactForces) > 0: CP += yrp.getCP(contactPositions, contactForces) F += sum(contactForces) avg_dCM[0] += controlModel.getJointVelocityGlobal(0) # avg_dCM[0] += yrp.getCM(controlModel.getJointVelocitiesGlobal(), bodyMasses, upperMass, uppers) # avg_dCM[0] += yrp.getCM(controlModel.getJointVelocitiesGlobal(), bodyMasses, totalMass) # if len(stanceFoots)>0: # avg_stf_v[0] += controlModel.getJointVelocityGlobal(stanceFoots[0]) # avg_stf_av[0] += controlModel.getJointAngVelocityGlobal(stanceFoots[0]) CP /= stepsPerFrame F /= stepsPerFrame avg_dCM[0] /= stepsPerFrame # if len(stanceFoots)>0: # avg_stf_v[0] /= stepsPerFrame # avg_stf_av[0] /= stepsPerFrame # rd_vec1[0] = avg_stf_av[0]; rd_vec1[0][0] = 0.; rd_vec1[0][2] = 0. # rd_vecori1[0]= controlModel.getJointPositionGlobal(stanceFoots[0]) #======================================================================= # segment editing #======================================================================= lastFrame = False if SEGMENT_EDITING: if curState==yba.GaitState.STOP: if frame == len(motion_seg)-1: lastFrame = True elif (curState==yba.GaitState.LSWING or curState==yba.GaitState.RSWING) and t>c_min_contact_time: swingID = lID if curState==yba.GaitState.LSWING else rID contact = False if swingID in bodyIDs: minContactVel = 1000. for i in range(len(bodyIDs)): if bodyIDs[i]==swingID: vel = controlModel.getBodyVelocityGlobal(swingID, contactPositionLocals[i]) vel[1] = 0 contactVel = mm.length(vel) if contactVel < minContactVel: minContactVel = contactVel if minContactVel < c_min_contact_vel: contact = True extended[0] = False if contact: # print frame, 'foot touch' lastFrame = True acc_offset[0] += frame - curInterval[1] elif frame == len(motion_seg)-1: print frame, 'extend frame', frame+1 preserveJoints = [] # preserveJoints = [lFoot, rFoot] # preserveJoints = [lFoot, rFoot, lKnee, rKnee] # preserveJoints = [lFoot, rFoot, lKnee, rKnee, lUpLeg, rUpLeg] stanceKnees = [rKnee] if curState==yba.GaitState.LSWING else [lKnee] preserveJoints = [stanceFoots[0], stanceKnees[0], stanceLegs[0]] diff = 3 motion_seg_orig.extend([motion_seg_orig[-1]]) motion_seg.extend(ymt.extendByIntegration_root(motion_seg, 1, diff)) motion_stitch.extend(ymt.extendByIntegration_constant(motion_stitch, 1, preserveJoints, diff)) # # extend for swing foot ground speed matching & swing foot height lower ## extendedPostures = ymt.extendByIntegration(motion_stitch, 1, preserveJoints, diff) ## extendedPostures = [motion_stitch[-1]] ## # extendFrameNum = frame - curInterval[1] + 1 # k = 1.-extendFrameNum/5. # if k<0.: k=0. # extendedPostures = ymt.extendByIntegrationAttenuation(motion_stitch, 1, preserveJoints, diff, k) # ## if len(swingFoots)>0 and np.inner(dCM_tar, dCM)>0.: ## print frame, 'speed matching' ## R_swf = motion_stitch[-1].getJointOrientationGlobal(swingFoots[0]) ## ## p_swf = motion_stitch[-1].getJointPositionGlobal(swingFoots[0]) ## v_swf = motion_stitch.getJointVelocityGlobal(swingFoots[0], frame-diff, frame) ## a_swf = motion_stitch.getJointAccelerationGlobal(swingFoots[0], frame-diff, frame) ## p_swf += v_swf * (frameTime) + a_swf * (frameTime)*(frameTime) ## aik.ik_analytic(extendedPostures[0], swingFoots[0], p_swf) ## ## extendedPostures[0].setJointOrientationGlobal(swingFoots[0], R_swf) # # motion_stitch.extend(extendedPostures) extended[0] = True else: if frame == len(motion_seg)-1: lastFrame = True if lastFrame: if segIndex < len(segments)-1: print '%d (%d): end of %dth seg (%s, %s)'%(frame, frame-curInterval[1],segIndex, yba.GaitState.text[curState], curInterval) if plot!=None: plot.addDataPoint('diff', frame, (frame-curInterval[1])*.01) if len(stanceFoots)>0 and len(swingFoots)>0: # step_cur = controlModel.getJointPositionGlobal(swingFoots[0]) - controlModel.getJointPositionGlobal(stanceFoots[0]) # step_tar = motion_seg[curInterval[1]].getJointPositionGlobal(swingFoots[0]) - motion_seg[curInterval[1]].getJointPositionGlobal(stanceFoots[0]) step_cur = controlModel.getJointPositionGlobal(0) - controlModel.getJointPositionGlobal(stanceFoots[0]) step_tar = motion_seg[curInterval[1]].getJointPositionGlobal(0) - motion_seg[curInterval[1]].getJointPositionGlobal(stanceFoots[0]) step_cur = mm.projectionOnPlane(step_cur, (1,0,0), (0,0,1)) step_tar = mm.projectionOnPlane(step_tar, (1,0,0), (0,0,1)) step_cur_sag, step_cur_cor = mm.projectionOnVector2(step_cur, direction) step_tar_sag, step_tar_cor = mm.projectionOnVector2(step_tar, direction) step_length_tar[0] = mm.length(step_tar_sag) if np.inner(step_tar_sag, step_cur_sag) > 0: step_length_cur[0] = mm.length(step_cur_sag) else: step_length_cur[0] = -mm.length(step_cur_sag) step_axis[0] = directionAxis # rd_vec1[0] = step_tar_sag # rd_vecori1[0] = motion_seg[curInterval[1]].getJointPositionGlobal(stanceFoots[0]) # rd_vec2[0] = step_cur_sag # rd_vecori2[0] = controlModel.getJointPositionGlobal(stanceFoots[0]) seg_index[0] += 1 curSeg = segments[seg_index[0]] stl_y_limit_num[0] = 0 stl_xz_limit_num[0] = 0 del motion_seg_orig[frame+1:] motion_seg_orig.extend(ymb.getAttachedNextMotion(curSeg, motion_seg_orig[-1], False, False)) del motion_seg[frame+1:] del motion_stitch[frame+1:] transitionLength = len(curSeg)-1 # motion_seg.extend(ymb.getAttachedNextMotion(curSeg, motion_seg[-1], False, False)) # motion_stitch.extend(ymb.getStitchedNextMotion(curSeg, motion_control[-1], transitionLength, stitch_func, True, False)) d = motion_seg[-1] - curSeg[0] d.rootPos[1] = 0. motion_seg.extend(ymb.getAttachedNextMotion(curSeg, d, True, False)) d = motion_control[-1] - curSeg[0] d.rootPos[1] = 0. motion_stitch.extend(ymb.getStitchedNextMotion(curSeg, d, transitionLength, stitch_func, True, False)) # motion_seg.extend(ymb.getAttachedNextMotion(curSeg, motion_seg[-1], False, True)) # motion_stitch.extend(ymb.getStitchedNextMotion(curSeg, motion_control[-1], transitionLength, stitch_func, True, True)) else: motion_seg_orig.append(motion_seg_orig[-1]) motion_seg.append(motion_seg[-1]) motion_stitch.append(motion_control[-1]) # rendering motionModel.update(motion_ori[frame]) # motionModel.update(motion_seg[frame]) rd_CP[0] = CP rd_CMP[0] = (CMreal[0] - (F[0]/F[1])*CMreal[1], 0, CMreal[2] - (F[2]/F[1])*CMreal[1]) if plot!=None: plot.addDataPoint('zero', frame, 0) plot.updatePoints() viewer.setSimulateCallback(simulateCallback) if MULTI_VIEWER: viewer.startTimer(frameTime / 1.4) else: viewer.startTimer(frameTime * .1) viewer.show() Fl.run()
def test_getStitchedNextMotion2(): bvhFilePath = '../samples/walk_left_90degree.bvh' motion = yf.readBvhFile(bvhFilePath) lFoot = motion[0].skeleton.getElementIndex('LeftFoot') rFoot = motion[0].skeleton.getElementIndex('RightFoot') hRef = .1; vRef = .3 lc = yma.getElementContactStates(motion, lFoot, hRef, vRef) rc = yma.getElementContactStates(motion, rFoot, hRef, vRef) steps = yba.getWalkingSteps(lc, rc, True) stepMotions = yma.splitMotionIntoSegments(motion, steps) print steps earlyCycle = 3 howEarly = 10 transitionFunc = lambda x:1.-yfg.hermite2nd(x) print 'steps[%d] :'%earlyCycle print 'motion[%d]~motion[%d] => '%(steps[earlyCycle][0], steps[earlyCycle][1]), print 'motion_stitched_trans_rot[%d]~motion_stitched_trans_rot[%d]'%(steps[earlyCycle][0], steps[earlyCycle][1]-howEarly) motion_stitched_trans = stepMotions[0].copy() motion_stitched_trans_rot = stepMotions[0].copy() motion_stitched_d = stepMotions[0].copy() motion_attached = stepMotions[0].copy() for i in range(1, len(stepMotions)): if i==earlyCycle: stepMotions[i] = stepMotions[i][:-howEarly] # motion_stitched_trans += getStitchedNextMotion(stepMotions[i], motion_stitched_trans[-1], len(stepMotions[i])-1, transitionFunc, True, False) motion_stitched_trans_rot += getStitchedNextMotion(stepMotions[i].copy(), motion_stitched_trans_rot[-1], len(stepMotions[i])-1, transitionFunc, True, True) # d = motion_stitched_d[-1] - stepMotions[i][0] # motion_stitched_d += getStitchedNextMotion(stepMotions[i], d, len(stepMotions[i])-1, transitionFunc, True, True) # motion_attached += getStitchedNextMotion(stepMotions[i], motion_attached[-1], len(stepMotions[i])-1, yfg.zero, True, True) motion_attached += getAttachedNextMotion(stepMotions[i], motion_attached[-1], len(stepMotions[i])-1, yfg.zero, True, True) frame0 = [mm.I_SE3()] viewer = ysv.SimpleViewer() viewer.record(False) # viewer.doc.addRenderer('motion', yr.JointMotionRenderer(motion, (100,100,255), yr.LINK_LINE)) # viewer.doc.addObject('motion', motion) # viewer.doc.addRenderer('motion_stitched_trans', yr.JointMotionRenderer(motion_stitched_trans, (255,255,0), yr.LINK_LINE)) # viewer.doc.addObject('motion_stitched_trans', motion_stitched_trans) viewer.doc.addRenderer('motion_stitched_trans_rot', yr.JointMotionRenderer(motion_stitched_trans_rot, (0,255,0), yr.LINK_LINE)) viewer.doc.addObject('motion_stitched_trans_rot', motion_stitched_trans_rot) viewer.doc.addRenderer('motion_attached', yr.JointMotionRenderer(motion_attached, (255,255,255), yr.LINK_LINE)) viewer.doc.addObject('motion_attached', motion_attached) viewer.doc.addRenderer('frame0', yr.FramesRenderer(frame0, (255,255,0))) def simulateCallback(frame): frame0[0] = motion_stitched_trans_rot[frame].getJointFrame(0) # frame0[0] = motion_attached[frame].getJointFrame(0) viewer.setSimulateCallback(simulateCallback) viewer.startTimer((1/30.)/1.4) viewer.show() Fl.run()
def test_early_foottouch(): bvhFilePath = '../samples/wd2_WalkSameSame00.bvh' motion = yf.readBvhFile(bvhFilePath, .01) lFoot = motion[0].skeleton.getElementIndex('LeftFoot') rFoot = motion[0].skeleton.getElementIndex('RightFoot') hRef = .1; vRef = .3 lc = yma.getElementContactStates(motion, lFoot, hRef, vRef) rc = yma.getElementContactStates(motion, rFoot, hRef, vRef) steps = yba.getWalkingSteps(lc, rc, True) stepMotions = yma.splitMotionIntoSegments(motion, steps) earlyCycle = 2 howEarly = 5 print 'steps[%d] :'%earlyCycle print 'motion[%d]~motion[%d] => '%(steps[earlyCycle][0], steps[earlyCycle][1]), print 'motion_earlytouch[%d]~motion_earyltouch[%d]'%(steps[earlyCycle][0], steps[earlyCycle][1]-howEarly) motion_earlytouch = stepMotions[0] for i in range(1, len(stepMotions)): if i==earlyCycle: stepMotions[i] = stepMotions[i][:-howEarly] # stitched = getStitchedNextMotion(stepMotions[i], motion_earlytouch[-1], len(stepMotions[i])-1, yfg.halfsine) stitched = getStitchedNextMotion(stepMotions[i], motion_earlytouch[-1], len(stepMotions[i])-1, lambda x:1.-yfg.hermite2nd(x)) # stitched = getStitchedNextMotion(stepMotions[i], motion_earlytouch[-1], len(stepMotions[i])-1, yfg.identity) motion_earlytouch += stitched viewer = ysv.SimpleViewer() viewer.record(False) viewer.doc.addRenderer('motion', yr.JointMotionRenderer(motion, (100,100,255), yr.LINK_LINE)) viewer.doc.addObject('motion', motion) viewer.doc.addRenderer('motion_earlytouch', yr.JointMotionRenderer(motion_earlytouch, (255,255,0), yr.LINK_LINE)) viewer.doc.addObject('motion_earlytouch', motion_earlytouch) viewer.startTimer(1/30.) viewer.show() Fl.run()
def test_getStitchedNextMotion2(): bvhFilePath = '../samples/walk_left_90degree.bvh' motion = yf.readBvhFile(bvhFilePath) lFoot = motion[0].skeleton.getElementIndex('LeftFoot') rFoot = motion[0].skeleton.getElementIndex('RightFoot') hRef = .1 vRef = .3 lc = yma.getElementContactStates(motion, lFoot, hRef, vRef) rc = yma.getElementContactStates(motion, rFoot, hRef, vRef) steps = yba.getWalkingSteps(lc, rc, True) stepMotions = yma.splitMotionIntoSegments(motion, steps) print(steps) earlyCycle = 3 howEarly = 10 transitionFunc = lambda x: 1. - yfg.hermite2nd(x) print('steps[%d] :' % earlyCycle) print('ys_motion[%d]~ys_motion[%d] => ' % (steps[earlyCycle][0], steps[earlyCycle][1]), end=' ') print('motion_stitched_trans_rot[%d]~motion_stitched_trans_rot[%d]' % (steps[earlyCycle][0], steps[earlyCycle][1] - howEarly)) motion_stitched_trans = stepMotions[0].copy() motion_stitched_trans_rot = stepMotions[0].copy() motion_stitched_d = stepMotions[0].copy() motion_attached = stepMotions[0].copy() for i in range(1, len(stepMotions)): if i == earlyCycle: stepMotions[i] = stepMotions[i][:-howEarly] # motion_stitched_trans += getStitchedNextMotion(stepMotions[i], motion_stitched_trans[-1], len(stepMotions[i])-1, transitionFunc, True, False) motion_stitched_trans_rot += getStitchedNextMotion( stepMotions[i].copy(), motion_stitched_trans_rot[-1], len(stepMotions[i]) - 1, transitionFunc, True, True) # d = motion_stitched_d[-1] - stepMotions[i][0] # motion_stitched_d += getStitchedNextMotion(stepMotions[i], d, len(stepMotions[i])-1, transitionFunc, True, True) # motion_attached += getStitchedNextMotion(stepMotions[i], motion_attached[-1], len(stepMotions[i])-1, yfg.zero, True, True) motion_attached += getAttachedNextMotion(stepMotions[i], motion_attached[-1], len(stepMotions[i]) - 1, yfg.zero, True, True) frame0 = [mm.i_se3()] viewer = ysv.SimpleViewer() viewer.record(False) # viewer.doc.addRenderer('ys_motion', yr.JointMotionRenderer(ys_motion, (100,100,255), yr.LINK_LINE)) # viewer.doc.addObject('ys_motion', ys_motion) # viewer.doc.addRenderer('motion_stitched_trans', yr.JointMotionRenderer(motion_stitched_trans, (255,255,0), yr.LINK_LINE)) # viewer.doc.addObject('motion_stitched_trans', motion_stitched_trans) viewer.doc.addRenderer( 'motion_stitched_trans_rot', yr.JointMotionRenderer(motion_stitched_trans_rot, (0, 255, 0), yr.LINK_LINE)) viewer.doc.addObject('motion_stitched_trans_rot', motion_stitched_trans_rot) viewer.doc.addRenderer( 'motion_attached', yr.JointMotionRenderer(motion_attached, (255, 255, 255), yr.LINK_LINE)) viewer.doc.addObject('motion_attached', motion_attached) viewer.doc.addRenderer('frame0', yr.FramesRenderer(frame0, (255, 255, 0))) def simulateCallback(frame): frame0[0] = motion_stitched_trans_rot[frame].getJointFrame(0) # frame0[0] = motion_attached[frame].getJointFrame(0) viewer.setSimulateCallback(simulateCallback) viewer.startTimer((1 / 30.) / 1.4) viewer.show() Fl.run()