Bart/bullet3
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

fix some gym envs

Browse Source
This commit is contained in:
Erwin Coumans
2019-01-28 16:21:52 -08:00
parent c97d1041ed
commit 0818112ede
7 changed files with 65 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
examples/pybullet/gym/pybullet_envs/examples/laikago.py
View File

@@ -10,23 +10,23 @@ plane = p.loadURDF("plane.urdf")
p.setGravity(0,0,-9.8)
p.setTimeStep(1./500)
#p.setDefaultContactERP(0)
#urdfFlags = p.URDF_USE_SELF_COLLISION+p.URDF_USE_SELF_COLLISION_EXCLUDE_ALL_PARENTS
#urdfFlags = p.URDF_USE_SELF_COLLISION+p.URDF_USE_SELF_COLLISION_EXCLUDE_ALL_PARENTS
urdfFlags = p.URDF_USE_SELF_COLLISION
quadruped = p.loadURDF("laikago/laikago.urdf",[0,0,.5],[0,0.5,0.5,0], flags = urdfFlags,useFixedBase=False)
#enable collision between lower legs
for j in range (p.getNumJoints(quadruped)):
print(p.getJointInfo(quadruped,j))
print(p.getJointInfo(quadruped,j))
#2,5,8 and 11 are the lower legs
lower_legs = [2,5,8,11]
for l0 in lower_legs:
for l1 in lower_legs:
if (l1>l0):
enableCollision = 1
print("collision for pair",l0,l1, p.getJointInfo(quadruped,l0)[12],p.getJointInfo(quadruped,l1)[12], "enabled=",enableCollision)
p.setCollisionFilterPair(quadruped, quadruped, 2,5,enableCollision)
for l1 in lower_legs:
if (l1>l0):
enableCollision = 1
print("collision for pair",l0,l1, p.getJointInfo(quadruped,l0)[12],p.getJointInfo(quadruped,l1)[12], "enabled=",enableCollision)
p.setCollisionFilterPair(quadruped, quadruped, 2,5,enableCollision)
jointIds=[]
paramIds=[]
@@ -35,9 +35,9 @@ jointDirections=[-1,1,1,1,1,1,-1,1,1,1,1,1]
jointAngles=[0,0,0,0,0,0,0,0,0,0,0,0]
for i in range (4):
jointOffsets.append(0)
jointOffsets.append(-0.7)
jointOffsets.append(0.7)
jointOffsets.append(0)
jointOffsets.append(-0.7)
jointOffsets.append(0.7)
maxForceId = p.addUserDebugParameter("maxForce",0,100,20)
@@ -50,35 +50,35 @@ for j in range (p.getNumJoints(quadruped)):
if (jointType==p.JOINT_PRISMATIC or jointType==p.JOINT_REVOLUTE):
jointIds.append(j)
p.getCameraImage(480,320)
p.setRealTimeSimulation(0)
joints=[]
with open(pd.getDataPath()+"/laikago/data1.txt","r") as filestream:
for line in filestream:
print("line=",line)
maxForce = p.readUserDebugParameter(maxForceId)
currentline = line.split(",")
#print (currentline)
#print("-----")
frame = currentline[0]
t = currentline[1]
#print("frame[",frame,"]")
joints=currentline[2:14]
#print("joints=",joints)
for j in range (12):
targetPos = float(joints[j])
p.setJointMotorControl2(quadruped,jointIds[j],p.POSITION_CONTROL,jointDirections[j]*targetPos+jointOffsets[j], force=maxForce)
p.stepSimulation()
for lower_leg in lower_legs:
#print("points for ", quadruped, " link: ", lower_leg)
pts = p.getContactPoints(quadruped,-1, lower_leg)
#print("num points=",len(pts))
#for pt in pts:
# print(pt[9])
time.sleep(1./500.)
for line in filestream:
print("line=",line)
maxForce = p.readUserDebugParameter(maxForceId)
currentline = line.split(",")
#print (currentline)
#print("-----")
frame = currentline[0]
t = currentline[1]
#print("frame[",frame,"]")
joints=currentline[2:14]
#print("joints=",joints)
for j in range (12):
targetPos = float(joints[j])
p.setJointMotorControl2(quadruped,jointIds[j],p.POSITION_CONTROL,jointDirections[j]*targetPos+jointOffsets[j], force=maxForce)
p.stepSimulation()
for lower_leg in lower_legs:
#print("points for ", quadruped, " link: ", lower_leg)
pts = p.getContactPoints(quadruped,-1, lower_leg)
#print("num points=",len(pts))
#for pt in pts:
# print(pt[9])
time.sleep(1./500.)
for j in range (p.getNumJoints(quadruped)):
@@ -95,10 +95,10 @@ for j in range (p.getNumJoints(quadruped)):
p.setRealTimeSimulation(1)
while (1):
for i in range(len(paramIds)):
c = paramIds[i]
targetPos = p.readUserDebugParameter(c)
maxForce = p.readUserDebugParameter(maxForceId)
p.setJointMotorControl2(quadruped,jointIds[i],p.POSITION_CONTROL,jointDirections[i]*targetPos+jointOffsets[i], force=maxForce)
for i in range(len(paramIds)):
c = paramIds[i]
targetPos = p.readUserDebugParameter(c)
maxForce = p.readUserDebugParameter(maxForceId)
p.setJointMotorControl2(quadruped,jointIds[i],p.POSITION_CONTROL,jointDirections[i]*targetPos+jointOffsets[i], force=maxForce)

2
examples/pybullet/gym/pybullet_envs/examples/testBike.py
View File

@@ -24,7 +24,7 @@ for i in range (1):
p.setJointMotorControl2(bike,1,p.VELOCITY_CONTROL,targetVelocity=5, force=0)
p.setJointMotorControl2(bike,2,p.VELOCITY_CONTROL,targetVelocity=15, force=20)
p.changeDynamics(plane,-1, mass=20,lateralFriction=1, linearDamping=0, angularDamping=0)
p.changeDynamics(plane,-1, mass=0,lateralFriction=1, linearDamping=0, angularDamping=0)
p.changeDynamics(bike,1,lateralFriction=1,linearDamping=0, angularDamping=0)
p.changeDynamics(bike,2,lateralFriction=1,linearDamping=0, angularDamping=0)
#p.resetJointState(bike,1,0,100)