Files
bullet3/examples/pybullet/examples/createVisualShape.py
Erwin Coumans 1452cae641 * add textured models of ball.vtk (obj/mtl) and torus (obj/mtl) and cloth.
1) allow to render deformables in 'getCameraImage', for TinyRenderer (tested OK) and EGL (untested)
2) allow to have textures for deformables. See deformable_ball.py, deformable_anchor.py and deformable_torus.py for examples
3) deformables: allow to request simulation mesh data (even if there is a render mesh) See deformable_anchor.py for an example usage
   data = p.getMeshData(clothId, -1, flags=p.MESH_DATA_SIMULATION_MESH)
4) fix deletion of deformables, thanks to Fychuyan, https://github.com/bulletphysics/bullet3/pull/3048
5) allow to enable and disable double-sided rendering, p.changeVisualShape(objectUid, linkIndex, flags=p.VISUAL_SHAPE_DOUBLE_SIDED)
6) fix GripperGraspExample, model not found
7) Fix deformable anchor not attaching to multibody with object unique id of 0
8) Fix issue with assignment of unique ids in TinyRenderer/EGL renderer (always use broadphase uid)
9) Avoid crash/issue of simulation with pinned vertices (mass 0) in btDeformableBackwardEulerObjective::applyExplicitForce
10) Store uv/normal in btSoftBody::RenderNode to allow textured meshes
11) (uncomment in btSoftBodyHelpers.cpp): dump vertices and indices in obj wavefront format, when loading a VTK file, for quicker creation of a (textured) surface mesh
12) allow interpolateRenderMesh also for old position-based soft bodies (not only the shiny new FEM deformables)
13) fix a few premake targets
14) update build_visual_studio_vr_pybullet_double_cmake.bat so it suits c:\python37 and installs locally
    for local install of Bullet, see also this example https://github.com/erwincoumans/hello_bullet_cmake
2020-09-12 01:03:04 -07:00

58 lines
2.2 KiB
Python

import pybullet as p
import time
import math
import pybullet_data
cid = p.connect(p.SHARED_MEMORY)
if (cid < 0):
p.connect(p.GUI)
p.setAdditionalSearchPath(pybullet_data.getDataPath())
p.setPhysicsEngineParameter(numSolverIterations=10)
p.setTimeStep(1. / 120.)
logId = p.startStateLogging(p.STATE_LOGGING_PROFILE_TIMINGS, "visualShapeBench.json")
#useMaximalCoordinates is much faster then the default reduced coordinates (Featherstone)
p.loadURDF("plane100.urdf", useMaximalCoordinates=True)
#disable rendering during creation.
p.configureDebugVisualizer(p.COV_ENABLE_RENDERING, 0)
p.configureDebugVisualizer(p.COV_ENABLE_GUI, 0)
#disable tinyrenderer, software (CPU) renderer, we don't use it here
p.configureDebugVisualizer(p.COV_ENABLE_TINY_RENDERER, 0)
shift = [0, -0.02, 0]
meshScale = [0.1, 0.1, 0.1]
#the visual shape and collision shape can be re-used by all createMultiBody instances (instancing)
visualShapeId = p.createVisualShape(shapeType=p.GEOM_MESH,
fileName="duck.obj",
rgbaColor=[1, 1, 1, 1],
specularColor=[0.4, .4, 0],
visualFramePosition=shift,
meshScale=meshScale)
collisionShapeId = p.createCollisionShape(shapeType=p.GEOM_MESH,
fileName="duck_vhacd.obj",
collisionFramePosition=shift,
meshScale=meshScale)
rangex = 1
rangey = 1
for i in range(rangex):
for j in range(rangey):
p.createMultiBody(baseMass=1,
baseInertialFramePosition=[0, 0, 0],
baseCollisionShapeIndex=collisionShapeId,
baseVisualShapeIndex=visualShapeId,
basePosition=[((-rangex / 2) + i) * meshScale[0] * 2,
(-rangey / 2 + j) * meshScale[1] * 2, 1],
useMaximalCoordinates=True)
p.configureDebugVisualizer(p.COV_ENABLE_RENDERING, 1)
p.stopStateLogging(logId)
p.setGravity(0, 0, -10)
p.setRealTimeSimulation(1)
colors = [[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 1], [1, 1, 1, 1]]
currentColor = 0
while (1):
time.sleep(1./240.)