def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Ground
p0 = Point3(-20, -20, 0)
p1 = Point3(-20, 20, 0)
p2 = Point3(20, -20, 0)
p3 = Point3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
np.node().addShape(shape)
np.setPos(0, 0, -2)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Soft body world information
info = self.world.getWorldInfo()
info.setAirDensity(1.2)
info.setWaterDensity(0)
info.setWaterOffset(0)
info.setWaterNormal(Vec3(0, 0, 0))
# Softbody
for i in range(50):
p00 = Point3(-2, -2, 0)
p10 = Point3( 2, -2, 0)
p01 = Point3(-2, 2, 0)
p11 = Point3( 2, 2, 0)
node = BulletSoftBodyNode.makePatch(info, p00, p10, p01, p11, 6, 6, 0, True)
node.generateBendingConstraints(2)
node.getCfg().setLiftCoefficient(0.004)
node.getCfg().setDynamicFrictionCoefficient(0.0003)
node.getCfg().setAeroModel(BulletSoftBodyConfig.AMVertexTwoSided)
node.setTotalMass(0.1)
node.addForce(Vec3(0, 2, 0), 0)
np = self.worldNP.attachNewNode(node)
np.setPos(self.Vec3Rand() * 10 + Vec3(0, 0, 20))
np.setHpr(self.Vec3Rand() * 16)
self.world.attachSoftBody(node)
fmt = GeomVertexFormat.getV3n3t2()
geom = BulletHelper.makeGeomFromFaces(node, fmt, True)
node.linkGeom(geom)
nodeV = GeomNode('')
nodeV.addGeom(geom)
npV = np.attachNewNode(nodeV)
def egg_to_BulletTriangleMeshShape(self, modelnp):
mesh = BulletTriangleMesh()
for collisionNP in modelnp.findAllMatches('**/+CollisionNode'):
collisionNode = collisionNP.node()
for collisionPolygon in collisionNode.getSolids():
tri_points = collisionPolygon.getPoints()
mesh.addTriangle(tri_points[0], tri_points[1], tri_points[2])
shape = BulletTriangleMeshShape(mesh, dynamic=False)
return shape
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
#self.debugNP.show()
self.world = BulletWorld()
self.world.setGravity(Vec3(np.random.randn()*3, np.random.randn()*3, 0))
self.world.setDebugNode(self.debugNP.node())
# Ground
p0 = Point3(-20, -20, 0)
p1 = Point3(-20, 20, 0)
p2 = Point3(20, -20, 0)
p3 = Point3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
npp = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
npp.node().addShape(shape)
npp.setPos(0, 0, -2)
npp.setCollideMask(BitMask32.allOn())
self.ground = npp
self.world.attachRigidBody(npp.node())
# Soft body world information
info = self.world.getWorldInfo()
info.setAirDensity(1.2)
info.setWaterDensity(0)
info.setWaterOffset(0)
info.setWaterNormal(Vec3(0, 0, 0))
# Softbody
def makeSB(pos, hpr):
model = loader.loadModel('moleculemesh/smoothed/clathrinfixsmth%02d.obj' % np.random.randint(1,21))
geom = model.findAllMatches('**/+GeomNode').getPath(0).node().modifyGeom(0)
geomNode = GeomNode('')
geomNode.addGeom(geom)
node = BulletSoftBodyNode.makeTriMesh(info, geom)
node.linkGeom(geomNode.modifyGeom(0))
node.generateBendingConstraints(2)
node.getCfg().setPositionsSolverIterations(6)
node.getCfg().setCollisionFlag(BulletSoftBodyConfig.CFVertexFaceSoftSoft, True)
node.randomizeConstraints()
node.setTotalMass(50, True)
node.getMaterial(0).setLinearStiffness(0.2)
#node.getCfg().setDynamicFrictionCoefficient(1)
#node.getCfg().setDampingCoefficient(0.001)
node.getCfg().setPressureCoefficient(1500)
softNP = self.worldNP.attachNewNode(node)
softNP.setPos(pos)
softNP.setHpr(hpr)
self.world.attachSoftBody(node)
geomNP = softNP.attachNewNode(geomNode)
#softNP.node().appendAnchor(1, self.ground.node())
softNP.node().appendAnchor(1217, self.ground.node())
softNP.node().appendAnchor(1157, self.ground.node())
softNP.node().appendAnchor(2052, self.ground.node())
#softNP.node().appendAnchor(1800, self.ground.node())
softNP.reparentTo(self.mybase)
#makeSB(Point3(-3, 0, 4), (0, 0, 0))
#makeSB(Point3(0, 0, 4), (0, 90, 90))
makeSB(Point3(4+np.random.randn(), 2+np.random.randn(), 4), (0, 0, 0))
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
self.debugNP.node().showWireframe(True)
self.debugNP.node().showConstraints(True)
self.debugNP.node().showBoundingBoxes(False)
self.debugNP.node().showNormals(True)
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Plane (static)
shape = BulletPlaneShape(Vec3(0, 0, 1), 0)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Ground'))
np.node().addShape(shape)
np.setPos(0, 0, -1)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Box (dynamic)
shape = BulletBoxShape(Vec3(0.5, 0.5, 0.5))
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Box'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(0, 0, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
self.boxNP = np # For applying force & torque
#np.node().notifyCollisions(True)
#self.accept('bullet-contact-added', self.doAdded)
#self.accept('bullet-contact-destroyed', self.doRemoved)
# Sphere (dynamic)
shape = BulletSphereShape(0.6)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Sphere'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(-4, 0, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Cone (dynamic)
shape = BulletConeShape(0.6, 1.2, ZUp)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Cone'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(4, 0, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Capsule (dynamic)
shape = BulletCapsuleShape(0.5, 1.0, ZUp)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Capsule'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(0, 4, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Cyliner (dynamic)
shape = BulletCylinderShape(0.7, 1.5, ZUp)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Cylinder'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(4, 4, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Convex (dynamic)
shape = BulletConvexHullShape()
shape.addPoint(Point3(1, 1, 2))
shape.addPoint(Point3(0, 0, 0))
shape.addPoint(Point3(2, 0, 0))
shape.addPoint(Point3(0, 2, 0))
shape.addPoint(Point3(2, 2, 0))
# Another way to create the convex hull shape:
#shape = BulletConvexHullShape()
#shape.addArray([
# Point3(1, 1, 2),
# Point3(0, 0, 0),
# Point3(2, 0, 0),
# Point3(0, 2, 0),
# Point3(2, 2, 0),
#])
# Yet another way to create the convex hull shape:
#geom = loader.loadModel('models/box.egg')\
# .findAllMatches('**/+GeomNode')\
# .getPath(0)\
# .node()\
# .getGeom(0)
#shape = BulletConvexHullShape()
#shape.addGeom(geom)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Convex'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(-4, 4, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Mesh (static)
p0 = Point3(-10, -10, 0)
p1 = Point3(-10, 10, 0)
p2 = Point3(10, -10, 0)
p3 = Point3(10, 10, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
# Another way to create the triangle mesh shape:
#geom = loader.loadModel('models/box.egg')\
# .findAllMatches('**/+GeomNode')\
# .getPath(0)\
# .node()\
# .getGeom(0)
#mesh = BulletTriangleMesh()
#mesh.addGeom(geom)
#shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
np.node().addShape(shape)
np.setPos(0, 0, 0.1)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# MutiSphere
points = [Point3(-1, 0, 0), Point3(0, 0, 0), Point3(1, 0, 0)]
radii = [.4, .8, .6]
shape = BulletMultiSphereShape(points, radii)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('MultiSphere'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(8, 0, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
#self.debugNP.showTightBounds()
#self.debugNP.showBounds()
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Ground
p0 = Point3(-20, -20, 0)
p1 = Point3(-20, 20, 0)
p2 = Point3(20, -20, 0)
p3 = Point3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
np.node().addShape(shape)
np.setPos(0, 0, -2)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Stair
origin = Point3(0, 0, 0)
size = Vec3(2, 10, 1)
shape = BulletBoxShape(size * 0.5)
for i in range(10):
pos = origin + size * i
pos.setY(0)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Stair%i' % i))
np.node().addShape(shape)
np.setPos(pos)
np.setCollideMask(BitMask32.allOn())
npV = loader.loadModel('models/box.egg')
npV.reparentTo(np)
npV.setScale(size)
self.world.attachRigidBody(np.node())
# Soft body world information
info = self.world.getWorldInfo()
info.setAirDensity(1.2)
info.setWaterDensity(0)
info.setWaterOffset(0)
info.setWaterNormal(Vec3(0, 0, 0))
# Softbody
center = Point3(0, 0, 0)
radius = Vec3(1, 1, 1) * 1.5
node = BulletSoftBodyNode.makeEllipsoid(info, center, radius, 128)
node.setName('Ellipsoid')
node.getMaterial(0).setLinearStiffness(0.1)
node.getCfg().setDynamicFrictionCoefficient(1)
node.getCfg().setDampingCoefficient(0.001)
node.getCfg().setPressureCoefficient(1500)
node.setTotalMass(30, True)
node.setPose(True, False)
np = self.worldNP.attachNewNode(node)
np.setPos(15, 0, 12)
#np.setH(90.0)
#np.showBounds()
#np.showTightBounds()
self.world.attachSoftBody(np.node())
geom = BulletHelper.makeGeomFromFaces(node)
node.linkGeom(geom)
nodeV = GeomNode('EllipsoidVisual')
nodeV.addGeom(geom)
npV = np.attachNewNode(nodeV)
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Ground
p0 = Point3(-20, -20, 0)
p1 = Point3(-20, 20, 0)
p2 = Point3(20, -20, 0)
p3 = Point3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
np.node().addShape(shape)
np.setPos(0, 0, -2)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Soft body world information
info = self.world.getWorldInfo()
info.setAirDensity(1.2)
info.setWaterDensity(0)
info.setWaterOffset(0)
info.setWaterNormal(Vec3(0, 0, 0))
# Softbody
def makeSB(pos, hpr):
import torus
geom = torus.makeGeom()
#geom = loader.loadModel('models/torus.egg') \
# .findAllMatches('**/+GeomNode').getPath(0).node() \
# .modifyGeom(0)
geomNode = GeomNode('')
geomNode.addGeom(geom)
node = BulletSoftBodyNode.makeTriMesh(info, geom)
node.linkGeom(geomNode.modifyGeom(0))
node.generateBendingConstraints(2)
node.getCfg().setPositionsSolverIterations(2)
node.getCfg().setCollisionFlag(BulletSoftBodyConfig.CFVertexFaceSoftSoft, True)
node.randomizeConstraints()
node.setTotalMass(50, True)
softNP = self.worldNP.attachNewNode(node)
softNP.setPos(pos)
softNP.setHpr(hpr)
self.world.attachSoftBody(node)
geomNP = softNP.attachNewNode(geomNode)
makeSB(Point3(-3, 0, 4), (0, 0, 0))
makeSB(Point3(0, 0, 4), (0, 90, 90))
makeSB(Point3(3, 0, 4), (0, 0, 0))
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Ground
p0 = Point3(-20, -20, 0)
p1 = Point3(-20, 20, 0)
p2 = Point3(20, -20, 0)
p3 = Point3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
np.node().addShape(shape)
np.setPos(0, 0, -2)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Soft body world information
info = self.world.getWorldInfo()
info.setAirDensity(1.2)
info.setWaterDensity(0)
info.setWaterOffset(0)
info.setWaterNormal(Vec3(0, 0, 0))
# Softbody
def makeSB(pos, hpr):
import torus
geom = torus.makeGeom()
#geom = loader.loadModel('models/torus.egg') \
# .findAllMatches('**/+GeomNode').getPath(0).node() \
# .modifyGeom(0)
geomNode = GeomNode('')
geomNode.addGeom(geom)
node = BulletSoftBodyNode.makeTriMesh(info, geom)
node.linkGeom(geomNode.modifyGeom(0))
node.generateBendingConstraints(2)
node.getCfg().setPositionsSolverIterations(2)
node.getCfg().setCollisionFlag(
BulletSoftBodyConfig.CFVertexFaceSoftSoft, True)
node.randomizeConstraints()
node.setTotalMass(50, True)
softNP = self.worldNP.attachNewNode(node)
softNP.setPos(pos)
softNP.setHpr(hpr)
self.world.attachSoftBody(node)
geomNP = softNP.attachNewNode(geomNode)
makeSB(Point3(-3, 0, 4), (0, 0, 0))
makeSB(Point3(0, 0, 4), (0, 90, 90))
makeSB(Point3(3, 0, 4), (0, 0, 0))
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Ground
p0 = Point3(-20, -20, 0)
p1 = Point3(-20, 20, 0)
p2 = Point3(20, -20, 0)
p3 = Point3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
np.node().addShape(shape)
np.setPos(0, 0, -4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Soft body world information
info = self.world.getWorldInfo()
info.setAirDensity(1.2)
info.setWaterDensity(0)
info.setWaterOffset(0)
info.setWaterNormal(Vec3(0, 0, 0))
# Softbody - From points/indices
#import cube
#points = [Point3(x,y,z) * 3 for x,y,z in cube.nodes]
#indices = sum([list(x) for x in cube.elements], [])
#node = BulletSoftBodyNode.makeTetMesh(info, points, indices, True)
#node.setVolumeMass(300);
#node.getShape(0).setMargin(0.01)
#node.getMaterial(0).setLinearStiffness(0.8)
#node.getCfg().setPositionsSolverIterations(1)
#node.getCfg().clearAllCollisionFlags()
#node.getCfg().setCollisionFlag(BulletSoftBodyConfig.CFClusterSoftSoft, True)
#node.getCfg().setCollisionFlag(BulletSoftBodyConfig.CFClusterRigidSoft, True)
#node.generateClusters(16)
#softNP = self.worldNP.attachNewNode(node)
#softNP.setPos(0, 0, 8)
#softNP.setHpr(0, 0, 45)
#self.world.attachSoftBody(node)
# Softbody - From tetgen data
ele = file('models/cube/cube.1.ele', 'r').read()
face = file('models/cube/cube.1.face', 'r').read()
node = file('models/cube/cube.1.node', 'r').read()
node = BulletSoftBodyNode.makeTetMesh(info, ele, face, node)
node.setName('Tetra')
node.setVolumeMass(300)
node.getShape(0).setMargin(0.01)
node.getMaterial(0).setLinearStiffness(0.1)
node.getCfg().setPositionsSolverIterations(1)
node.getCfg().clearAllCollisionFlags()
node.getCfg().setCollisionFlag(BulletSoftBodyConfig.CFClusterSoftSoft, True)
node.getCfg().setCollisionFlag(BulletSoftBodyConfig.CFClusterRigidSoft, True)
node.generateClusters(6)
softNP = self.worldNP.attachNewNode(node)
softNP.setPos(0, 0, 8)
softNP.setHpr(45, 0, 0)
self.world.attachSoftBody(node)
# Option 1:
visNP = loader.loadModel('models/cube/cube.egg')
visNP.reparentTo(softNP)
geom = visNP \
.findAllMatches('**/+GeomNode').getPath(0).node() \
.modifyGeom(0)
node.linkGeom(geom)
def addQuad(self, p1, p2, p3, p4): mesh = BulletTriangleMesh() mesh.addTriangle(p1, p2, p3) mesh.addTriangle(p1, p3, p4) shape = BulletTriangleMeshShape(mesh, dynamic=False) self.node.addShape(shape)
def addQuad(self, p1, p2, p3, p4):
mesh = BulletTriangleMesh()
mesh.addTriangle(p1, p2, p3)
mesh.addTriangle(p1, p3, p4)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
self.node.addShape(shape)
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
self.debugNP.node().showWireframe(True)
self.debugNP.node().showConstraints(True)
self.debugNP.node().showBoundingBoxes(False)
self.debugNP.node().showNormals(True)
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Plane (static)
shape = BulletPlaneShape(Vec3(0, 0, 1), 0)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Ground'))
np.node().addShape(shape)
np.setPos(0, 0, -1)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Box (dynamic)
shape = BulletBoxShape(Vec3(0.5, 0.5, 0.5))
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Box'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(0, 0, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
self.boxNP = np # For applying force & torque
#np.node().notifyCollisions(True)
#self.accept('bullet-contact-added', self.doAdded)
#self.accept('bullet-contact-destroyed', self.doRemoved)
# Sphere (dynamic)
shape = BulletSphereShape(0.6)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Sphere'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(-4, 0, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Cone (dynamic)
shape = BulletConeShape(0.6, 1.2, ZUp)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Cone'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(4, 0, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Capsule (dynamic)
shape = BulletCapsuleShape(0.5, 1.0, ZUp)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Capsule'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(0, 4, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Cyliner (dynamic)
shape = BulletCylinderShape(0.7, 1.5, ZUp)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Cylinder'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(4, 4, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Convex (dynamic)
shape = BulletConvexHullShape()
shape.addPoint(Point3(1, 1, 2))
shape.addPoint(Point3(0, 0, 0))
shape.addPoint(Point3(2, 0, 0))
shape.addPoint(Point3(0, 2, 0))
shape.addPoint(Point3(2, 2, 0))
# Another way to create the convex hull shape:
#shape = BulletConvexHullShape()
#shape.addArray([
# Point3(1, 1, 2),
# Point3(0, 0, 0),
# Point3(2, 0, 0),
# Point3(0, 2, 0),
# Point3(2, 2, 0),
#])
# Yet another way to create the convex hull shape:
#geom = loader.loadModel('models/box.egg')\
# .findAllMatches('**/+GeomNode')\
# .getPath(0)\
# .node()\
# .getGeom(0)
#shape = BulletConvexHullShape()
#shape.addGeom(geom)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Convex'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(-4, 4, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Mesh (static)
p0 = Point3(-10, -10, 0)
p1 = Point3(-10, 10, 0)
p2 = Point3(10, -10, 0)
p3 = Point3(10, 10, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
# Another way to create the triangle mesh shape:
#geom = loader.loadModel('models/box.egg')\
# .findAllMatches('**/+GeomNode')\
# .getPath(0)\
# .node()\
# .getGeom(0)
#mesh = BulletTriangleMesh()
#mesh.addGeom(geom)
#shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
np.node().addShape(shape)
np.setPos(0, 0, 0.1)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# MutiSphere
points = [Point3(-1, 0, 0), Point3(0, 0, 0), Point3(1, 0, 0)]
radii = [.4, .8, .6]
shape = BulletMultiSphereShape(points, radii)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('MultiSphere'))
np.node().setMass(1.0)
np.node().addShape(shape)
np.setPos(8, 0, 4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
#self.debugNP.showTightBounds()
#self.debugNP.showBounds()
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Ground
p0 = Point3(-20, -20, 0)
p1 = Point3(-20, 20, 0)
p2 = Point3(20, -20, 0)
p3 = Point3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
np.node().addShape(shape)
np.setPos(0, 0, -2)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Stair
origin = Point3(0, 0, 0)
size = Vec3(2, 10, 1)
shape = BulletBoxShape(size * 0.5)
for i in range(10):
pos = origin + size * i
pos.setY(0)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Stair%i' % i))
np.node().addShape(shape)
np.setPos(pos)
np.setCollideMask(BitMask32.allOn())
npV = loader.loadModel('models/box.egg')
npV.reparentTo(np)
npV.setScale(size)
self.world.attachRigidBody(np.node())
# Soft body world information
info = self.world.getWorldInfo()
info.setAirDensity(1.2)
info.setWaterDensity(0)
info.setWaterOffset(0)
info.setWaterNormal(Vec3(0, 0, 0))
# Softbody
center = Point3(0, 0, 0)
radius = Vec3(1, 1, 1) * 1.5
node = BulletSoftBodyNode.makeEllipsoid(info, center, radius, 128)
node.setName('Ellipsoid')
node.getMaterial(0).setLinearStiffness(0.1)
node.getCfg().setDynamicFrictionCoefficient(1)
node.getCfg().setDampingCoefficient(0.001)
node.getCfg().setPressureCoefficient(1500)
node.setTotalMass(30, True)
node.setPose(True, False)
np = self.worldNP.attachNewNode(node)
np.setPos(15, 0, 12)
#np.setH(90.0)
#np.showBounds()
#np.showTightBounds()
self.world.attachSoftBody(np.node())
geom = BulletHelper.makeGeomFromFaces(node)
node.linkGeom(geom)
nodeV = GeomNode('EllipsoidVisual')
nodeV.addGeom(geom)
npV = np.attachNewNode(nodeV)
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Ground
p0 = Point3(-20, -20, 0)
p1 = Point3(-20, 20, 0)
p2 = Point3(20, -20, 0)
p3 = Point3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
np.node().addShape(shape)
np.setPos(0, 0, -4)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Soft body world information
info = self.world.getWorldInfo()
info.setAirDensity(1.2)
info.setWaterDensity(0)
info.setWaterOffset(0)
info.setWaterNormal(Vec3(0, 0, 0))
# Softbody - From points/indices
#import cube
#points = [Point3(x,y,z) * 3 for x,y,z in cube.nodes]
#indices = sum([list(x) for x in cube.elements], [])
#node = BulletSoftBodyNode.makeTetMesh(info, points, indices, True)
#node.setVolumeMass(300);
#node.getShape(0).setMargin(0.01)
#node.getMaterial(0).setLinearStiffness(0.8)
#node.getCfg().setPositionsSolverIterations(1)
#node.getCfg().clearAllCollisionFlags()
#node.getCfg().setCollisionFlag(BulletSoftBodyConfig.CFClusterSoftSoft, True)
#node.getCfg().setCollisionFlag(BulletSoftBodyConfig.CFClusterRigidSoft, True)
#node.generateClusters(16)
#softNP = self.worldNP.attachNewNode(node)
#softNP.setPos(0, 0, 8)
#softNP.setHpr(0, 0, 45)
#self.world.attachSoftBody(node)
# Softbody - From tetgen data
ele = open('models/cube/cube.1.ele', 'r').read()
face = open('models/cube/cube.1.face', 'r').read()
node = open('models/cube/cube.1.node', 'r').read()
node = BulletSoftBodyNode.makeTetMesh(info, ele, face, node)
node.setName('Tetra')
node.setVolumeMass(300)
node.getShape(0).setMargin(0.01)
node.getMaterial(0).setLinearStiffness(0.1)
node.getCfg().setPositionsSolverIterations(1)
node.getCfg().clearAllCollisionFlags()
node.getCfg().setCollisionFlag(BulletSoftBodyConfig.CFClusterSoftSoft,
True)
node.getCfg().setCollisionFlag(BulletSoftBodyConfig.CFClusterRigidSoft,
True)
node.generateClusters(6)
softNP = self.worldNP.attachNewNode(node)
softNP.setPos(0, 0, 8)
softNP.setHpr(45, 0, 0)
self.world.attachSoftBody(node)
# Option 1:
visNP = loader.loadModel('models/cube/cube.egg')
visNP.reparentTo(softNP)
geom = visNP \
.findAllMatches('**/+GeomNode').getPath(0).node() \
.modifyGeom(0)
node.linkGeom(geom)
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Ground
p0 = Point3(-20, -20, 0)
p1 = Point3(-20, 20, 0)
p2 = Point3(20, -20, 0)
p3 = Point3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.addTriangle(p0, p1, p2)
mesh.addTriangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Mesh'))
np.node().addShape(shape)
np.setPos(0, 0, -2)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Soft body world information
info = self.world.getWorldInfo()
info.setAirDensity(1.2)
info.setWaterDensity(0)
info.setWaterOffset(0)
info.setWaterNormal(Vec3(0, 0, 0))
# Softbody
for i in range(50):
p00 = Point3(-2, -2, 0)
p10 = Point3(2, -2, 0)
p01 = Point3(-2, 2, 0)
p11 = Point3(2, 2, 0)
node = BulletSoftBodyNode.makePatch(info, p00, p10, p01, p11, 6, 6,
0, True)
node.generateBendingConstraints(2)
node.getCfg().setLiftCoefficient(0.004)
node.getCfg().setDynamicFrictionCoefficient(0.0003)
node.getCfg().setAeroModel(BulletSoftBodyConfig.AMVertexTwoSided)
node.setTotalMass(0.1)
node.addForce(Vec3(0, 2, 0), 0)
np = self.worldNP.attachNewNode(node)
np.setPos(self.Vec3Rand() * 10 + Vec3(0, 0, 20))
np.setHpr(self.Vec3Rand() * 16)
self.world.attachSoftBody(node)
fmt = GeomVertexFormat.getV3n3t2()
geom = BulletHelper.makeGeomFromFaces(node, fmt, True)
node.linkGeom(geom)
nodeV = GeomNode('')
nodeV.addGeom(geom)
npV = np.attachNewNode(nodeV)
