def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.debugNP.node().show_wireframe(True)
self.debugNP.node().show_constraints(True)
self.debugNP.node().show_bounding_boxes(False)
self.debugNP.node().show_normals(False)
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Box A
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
bodyA = BulletRigidBodyNode('Box A')
bodyNP = self.worldNP.attach_new_node(bodyA)
bodyNP.node().add_shape(shape)
bodyNP.set_collide_mask(BitMask32.all_on())
bodyNP.set_pos(-3, 0, 4)
visNP = loader.load_model('models/box.egg')
visNP.clear_model_nodes()
visNP.reparent_to(bodyNP)
self.world.attach(bodyA)
# Box B
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
bodyB = BulletRigidBodyNode('Box B')
bodyNP = self.worldNP.attach_new_node(bodyB)
bodyNP.node().add_shape(shape)
bodyNP.node().set_mass(1.0)
bodyNP.node().set_deactivation_enabled(False)
bodyNP.set_collide_mask(BitMask32.all_on())
bodyNP.set_pos(0, 0, 0)
visNP = loader.load_model('models/box.egg')
visNP.clear_model_nodes()
visNP.reparent_to(bodyNP)
self.world.attach(bodyB)
# Slider
frameA = TransformState.make_pos_hpr(LPoint3(2, 0, 0),
LVector3(0, 0, 45))
frameB = TransformState.make_pos_hpr(LPoint3(0, -3, 0),
LVector3(0, 0, 0))
slider = BulletSliderConstraint(bodyA, bodyB, frameA, frameB, True)
slider.set_debug_draw_size(2.0)
slider.set_lower_linear_limit(0)
slider.set_upper_linear_limit(6)
slider.set_lower_angular_limit(-60)
slider.set_upper_angular_limit(60)
self.world.attach(slider)
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.debugNP.node().show_wireframe(True)
self.debugNP.node().show_constraints(True)
self.debugNP.node().show_bounding_boxes(False)
self.debugNP.node().show_normals(False)
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Box A
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
bodyA = BulletRigidBodyNode('Box A')
bodyNP = self.worldNP.attach_new_node(bodyA)
bodyNP.node().add_shape(shape)
bodyNP.set_collide_mask(BitMask32.all_on())
bodyNP.set_pos(-2, 0, 1)
visNP = loader.load_model('models/box.egg')
visNP.clear_model_nodes()
visNP.reparent_to(bodyNP)
self.world.attach(bodyA)
# Box B
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
bodyB = BulletRigidBodyNode('Box B')
bodyNP = self.worldNP.attach_new_node(bodyB)
bodyNP.node().add_shape(shape)
bodyNP.node().set_mass(1.0)
bodyNP.node().set_deactivation_enabled(False)
bodyNP.set_collide_mask(BitMask32.all_on())
bodyNP.set_pos(2, 0, 1)
visNP = loader.load_model('models/box.egg')
visNP.clear_model_nodes()
visNP.reparent_to(bodyNP)
self.world.attach(bodyB)
# Hinge
pivotA = LPoint3(2, 0, 0)
pivotB = LPoint3(-4, 0, 0)
axisA = LVector3(0, 0, 1)
axisB = LVector3(0, 0, 1)
hinge = BulletHingeConstraint(bodyA, bodyB, pivotA, pivotB, axisA,
axisB, True)
hinge.set_debug_draw_size(2.0)
hinge.set_limit(-90, 120, softness=0.9, bias=0.3, relaxation=1.0)
self.world.attach(hinge)
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Ground
shape = BulletPlaneShape(LVector3(0, 0, 1), 0)
#img = PNMImage(Filename('models/elevation.png'))
#shape = BulletHeightfieldShape(img, 1.0, ZUp)
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Ground'))
np.node().add_shape(shape)
np.set_pos(0, 0, -1)
np.set_collide_mask(BitMask32.all_on())
self.world.attach(np.node())
# Box
shape = BulletBoxShape(LVector3(1.0, 3.0, 0.3))
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Box'))
np.node().set_mass(10.0)
np.node().add_shape(shape)
np.set_pos(3, 0, 4)
np.setH(20.0)
np.set_collide_mask(BitMask32.all_on())
self.world.attach(np.node())
# Character
self.crouching = False
h = 1.75
w = 0.4
shape = BulletCapsuleShape(w, h - 2 * w, ZUp)
self.character = BulletCharacterControllerNode(shape, 0.4, 'Player')
self.characterNP = self.worldNP.attach_new_node(self.character)
self.characterNP.set_pos(-2, 0, 14)
self.characterNP.set_h(45)
self.characterNP.set_collide_mask(BitMask32.all_on())
self.world.attach(self.character)
self.actorNP = Actor(
'samples/roaming-ralph/models/ralph.egg.pz', {
'run': 'samples/roaming-ralph/models/ralph-run.egg.pz',
'walk': 'samples/roaming-ralph/models/ralph-walk.egg.pz'
})
self.actorNP.reparent_to(self.characterNP)
self.actorNP.set_scale(0.3048) # 1ft = 0.3048m
self.actorNP.setH(180)
self.actorNP.set_pos(0, 0, -1)
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.debugNP.node().show_wireframe(True)
self.debugNP.node().show_constraints(True)
self.debugNP.node().show_bounding_boxes(False)
self.debugNP.node().show_normals(False)
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Box A
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
bodyA = BulletRigidBodyNode('Box A')
bodyNP = self.worldNP.attach_new_node(bodyA)
bodyNP.node().add_shape(shape)
bodyNP.set_collide_mask(BitMask32.all_on())
bodyNP.set_pos(-2, 0, 4)
visNP = loader.load_model('models/box.egg')
visNP.clear_model_nodes()
visNP.reparent_to(bodyNP)
self.world.attach(bodyA)
# Box B
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
bodyB = BulletRigidBodyNode('Box B')
bodyNP = self.worldNP.attach_new_node(bodyB)
bodyNP.node().add_shape(shape)
bodyNP.node().set_mass(1.0)
bodyNP.node().set_deactivation_enabled(False)
bodyNP.set_collide_mask(BitMask32.all_on())
bodyNP.set_pos(0, 0, 0)
visNP = loader.load_model('models/box.egg')
visNP.clear_model_nodes()
visNP.reparent_to(bodyNP)
self.world.attach(bodyB)
# Cone
frameA = TransformState.make_pos_hpr(LPoint3(0, 0, -2),
LVector3(0, 0, 90))
frameB = TransformState.make_pos_hpr(LPoint3(-5, 0, 0),
LVector3(0, 0, 0))
cone = BulletConeTwistConstraint(bodyA, bodyB, frameA, frameB)
cone.set_debug_draw_size(2.0)
cone.set_limit(30, 45, 170, softness=1.0, bias=0.3, relaxation=8.0)
self.world.attach(cone)
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.debugNP.node().show_wireframe(True)
self.debugNP.node().show_constraints(True)
self.debugNP.node().show_bounding_boxes(False)
self.debugNP.node().show_normals(False)
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Box A
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
bodyA = BulletRigidBodyNode('Box A')
bodyNP = self.worldNP.attach_new_node(bodyA)
bodyNP.node().add_shape(shape)
bodyNP.set_collide_mask(BitMask32.all_on())
bodyNP.set_pos(-1, 0, 4)
visNP = loader.load_model('models/box.egg')
visNP.clear_model_nodes()
visNP.reparent_to(bodyNP)
self.world.attach(bodyA)
# Box B
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
bodyB = BulletRigidBodyNode('Box B')
bodyNP = self.worldNP.attach_new_node(bodyB)
bodyNP.node().add_shape(shape)
bodyNP.node().set_mass(1.0)
bodyNP.node().set_deactivation_enabled(False)
bodyNP.node().setLinearDamping(0.6)
bodyNP.node().setAngularDamping(0.6)
bodyNP.set_collide_mask(BitMask32.all_on())
bodyNP.set_pos(2, 0, 0)
visNP = loader.load_model('models/box.egg')
visNP.clear_model_nodes()
visNP.reparent_to(bodyNP)
self.world.attach(bodyB)
# Spherical Constraint
pivotA = LPoint3(2, 0, 0)
pivotB = LPoint3(0, 0, 4)
joint = BulletSphericalConstraint(bodyA, bodyB, pivotA, pivotB)
joint.set_debug_draw_size(2.0)
self.world.attach(joint)
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Plane
shape = BulletPlaneShape(LVector3(0, 0, 1), 0)
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Ground'))
np.node().add_shape(shape)
np.set_pos(0, 0, -1)
np.set_collide_mask(BitMask32.all_on())
self.world.attach(np.node())
# Box
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Box'))
np.node().set_mass(1.0)
np.node().add_shape(shape)
np.node().set_deactivation_enabled(False)
np.set_pos(2, 0, 4)
np.set_collide_mask(BitMask32.all_on())
self.world.attach(np.node())
visualNP = loader.load_model('models/box.egg')
visualNP.reparent_to(np)
self.box = np.node()
# Sphere
shape = BulletSphereShape(0.6)
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Sphere'))
np.node().set_mass(1.0)
np.node().add_shape(shape)
np.set_pos(-2, 0, 4)
np.set_collide_mask(BitMask32.all_on())
self.world.attach(np.node())
self.sphere = np.node()
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.debugNP.node().show_wireframe(True)
self.debugNP.node().show_constraints(True)
self.debugNP.node().show_bounding_boxes(False)
self.debugNP.node().show_normals(True)
#self.debugNP.show_tight_bounds()
#self.debugNP.show_bounds()
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Ground (static)
shape = BulletPlaneShape(LVector3(0, 0, 1), 1)
self.groundNP = self.worldNP.attach_new_node(
BulletRigidBodyNode('Ground'))
self.groundNP.node().add_shape(shape)
self.groundNP.set_pos(0, 0, -2)
self.groundNP.set_collide_mask(BitMask32.all_on())
self.world.attach(self.groundNP.node())
# Box (dynamic)
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
self.boxNP = self.worldNP.attach_new_node(BulletRigidBodyNode('Box'))
self.boxNP.node().set_mass(1.0)
self.boxNP.node().add_shape(shape)
self.boxNP.set_pos(0, 0, 2)
#self.boxNP.set_scale(2, 1, 0.5)
self.boxNP.set_collide_mask(BitMask32.all_on())
#self.boxNP.node().set_deactivation_enabled(False)
self.world.attach(self.boxNP.node())
visualNP = loader.load_model('models/box.egg')
visualNP.clear_model_nodes()
visualNP.reparent_to(self.boxNP)
def test_bitmask_allon():
assert BitMask16.all_on().is_all_on()
assert BitMask32.all_on().is_all_on()
assert BitMask64.all_on().is_all_on()
assert DoubleBitMaskNative.all_on().is_all_on()
assert QuadBitMaskNative.all_on().is_all_on()
assert DoubleBitMaskNative((1 << double_num_bits) - 1).is_all_on()
assert QuadBitMaskNative((1 << quad_num_bits) - 1).is_all_on()
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Ground
shape = BulletPlaneShape(LVector3(0, 0, 1), 0)
body = BulletRigidBodyNode('Ground')
bodyNP = self.worldNP.attach_new_node(body)
bodyNP.node().add_shape(shape)
bodyNP.set_pos(0, 0, -1)
bodyNP.set_collide_mask(BitMask32.all_on())
self.world.attach(bodyNP.node())
# Some boxes
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
for i in range(10):
for j in range(10):
x = i - 5.0
y = 0.0
z = j - 0.5
body = BulletRigidBodyNode('Box-{}-{}'.format(i, j))
bodyNP = self.worldNP.attach_new_node(body)
bodyNP.node().add_shape(shape)
bodyNP.node().set_mass(1.0)
bodyNP.node().set_deactivation_enabled(False)
bodyNP.set_pos(x, y, z)
bodyNP.set_collide_mask(BitMask32.all_on())
self.world.attach(bodyNP.node())
visNP = loader.load_model('models/box.egg')
visNP.clear_model_nodes()
visNP.reparent_to(bodyNP)
def ray_test(self, target, source=None, distance=None, ignore_self=True, mask=None):
"""Perform a ray trace to a target
:param target: target to trace towards
:param source: optional origin of trace, otherwise object position
:param distance: distance to use instead of vector length
:rtype: :py:class:`game_system.physics.RayTestResult`
"""
if source is None:
source = Vector(self._nodepath.getPos(base.render))
# Move target to appropriate position, if explicit distance
if distance:
direction = target - source
direction.length = distance
target = source + direction
if mask is None:
collision_mask = BitMask32.all_on()
else:
collision_mask = BitMask32()
collision_mask.set_word(mask)
world = self._node.get_python_tag("world")
query_result = world.rayTestAll(tuple(source), tuple(target), collision_mask)
sorted_hits = sorted(query_result.get_hits(), key=lambda h: h.get_hit_fraction())
for hit_result in sorted_hits:
hit_node = hit_result.get_node()
hit_entity = entity_from_nodepath(hit_node)
if ignore_self and hit_entity is self._entity:
continue
hit_position = Vector(hit_result.get_hit_pos())
hit_distance = (hit_position - source).length
hit_normal = Vector(hit_result.get_hit_normal())
return RayTestResult(hit_position, hit_normal, hit_entity, hit_distance)
def ray_test(self, target, source=None, distance=None, ignore_self=True, mask=None):
"""Perform a ray trace to a target
:param target: target to trace towards
:param source: optional origin of trace, otherwise object position
:param distance: distance to use instead of vector length
:rtype: :py:class:`game_system.physics.RayTestResult`
"""
if source is None:
source = Vector(self._nodepath.getPos(base.render))
# Move target to appropriate position, if explicit distance
if distance:
direction = target - source
direction.length = distance
target = source + direction
if mask is None:
collision_mask = BitMask32.all_on()
else:
collision_mask = BitMask32()
collision_mask.set_word(mask)
world = self._node.get_python_tag("world")
query_result = world.rayTestAll(tuple(source), tuple(target), collision_mask)
sorted_hits = sorted(query_result.get_hits(), key=get_hit_fraction)
for hit_result in sorted_hits:
hit_node = hit_result.get_node()
hit_entity = entity_from_nodepath(hit_node)
if ignore_self and hit_entity is self._entity:
continue
hit_position = Vector(hit_result.get_hit_pos())
hit_distance = (hit_position - source).length
hit_normal = Vector(hit_result.get_hit_normal())
return RayTestResult(hit_position, hit_normal, hit_entity, hit_distance)
def do_shoot(self):
# Get from/to points from mouse click
pMouse = base.mouseWatcherNode.get_mouse()
pFrom = LPoint3()
pTo = LPoint3()
base.camLens.extrude(pMouse, pFrom, pTo)
pFrom = render.get_relative_point(base.cam, pFrom)
pTo = render.get_relative_point(base.cam, pTo)
# Calculate initial velocity
v = pTo - pFrom
v.normalize()
v *= 100.0
# Create bullet
shape = BulletSphereShape(0.3)
body = BulletRigidBodyNode('Bullet')
bodyNP = self.worldNP.attach_new_node(body)
bodyNP.node().add_shape(shape)
bodyNP.node().set_mass(1.0)
bodyNP.node().set_linear_velocity(v)
bodyNP.node().set_ccd_motion_threshold(1e-7)
bodyNP.node().set_ccd_swept_sphere_radius(0.50)
bodyNP.set_collide_mask(BitMask32.all_on())
bodyNP.set_pos(pFrom)
visNP = loader.load_model('models/ball.egg')
visNP.set_scale(0.8)
visNP.reparent_to(bodyNP)
self.world.attach(bodyNP.node())
# Remove the bullet again after 2 seconds
taskMgr.do_method_later(2,
self.do_remove,
'doRemove',
extraArgs=[bodyNP],
appendTask=True)
def do_shoot(self, ccd):
# Get from/to points from mouse click
pMouse = base.mouseWatcherNode.get_mouse()
pFrom = LPoint3()
pTo = LPoint3()
base.camLens.extrude(pMouse, pFrom, pTo)
pFrom = render.get_relative_point(base.cam, pFrom)
pTo = render.get_relative_point(base.cam, pTo)
# Calculate initial velocity
v = pTo - pFrom
v.normalize()
v *= 10000.0
# Create bullet
shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))
body = BulletRigidBodyNode('Bullet')
bodyNP = self.worldNP.attach_new_node(body)
bodyNP.node().add_shape(shape)
bodyNP.node().set_mass(2.0)
bodyNP.node().set_linear_velocity(v)
bodyNP.set_pos(pFrom)
bodyNP.set_collide_mask(BitMask32.all_on())
if ccd:
bodyNP.node().set_ccd_motion_threshold(1e-7)
bodyNP.node().set_ccd_swept_sphere_radius(0.50)
self.world.attach(bodyNP.node())
# Remove the bullet again after 1 second
taskMgr.do_method_later(1,
self.do_remove,
'doRemove',
extraArgs=[bodyNP],
appendTask=True)
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Ground
p0 = LPoint3(-20, -20, 0)
p1 = LPoint3(-20, 20, 0)
p2 = LPoint3(20, -20, 0)
p3 = LPoint3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.add_triangle(p0, p1, p2)
mesh.add_triangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Mesh'))
np.node().add_shape(shape)
np.set_pos(0, 0, -2)
np.set_collide_mask(BitMask32.all_on())
self.world.attach(np.node())
# Soft body world information
info = self.world.get_world_info()
info.set_air_density(1.2)
info.set_water_density(0)
info.set_water_offset(0)
info.set_water_normal(LVector3(0, 0, 0))
# Softbody
def make_SB(pos, hpr):
#use this to construct a torus geom.
#import torus
#geom = torus.make_geom()
geom = (loader.load_model('models/torus.egg').find_all_matches(
'**/+GeomNode').get_path(0).node().modify_geom(0))
geomNode = GeomNode('')
geomNode.add_geom(geom)
node = BulletSoftBodyNode.make_tri_mesh(info, geom)
node.link_geom(geomNode.modify_geom(0))
node.generate_bending_constraints(2)
node.get_cfg().set_positions_solver_iterations(2)
node.get_cfg().set_collision_flag(
BulletSoftBodyConfig.CF_vertex_face_soft_soft, True)
node.randomize_constraints()
node.set_total_mass(50, True)
softNP = self.worldNP.attach_new_node(node)
softNP.set_pos(pos)
softNP.set_hpr(hpr)
self.world.attach(node)
geomNP = softNP.attach_new_node(geomNode)
make_SB(LPoint3(-3, 0, 4), (0, 0, 0))
make_SB(LPoint3(0, 0, 4), (0, 90, 90))
make_SB(LPoint3(3, 0, 4), (0, 0, 0))
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Ground
p0 = LPoint3(-20, -20, 0)
p1 = LPoint3(-20, 20, 0)
p2 = LPoint3(20, -20, 0)
p3 = LPoint3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.add_triangle(p0, p1, p2)
mesh.add_triangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Mesh'))
np.node().add_shape(shape)
np.set_pos(0, 0, -4)
np.set_collide_mask(BitMask32.all_on())
self.world.attach(np.node())
# Soft body world information
info = self.world.get_world_info()
info.set_air_density(1.2)
info.set_water_density(0)
info.set_water_offset(0)
info.set_water_normal(LVector3(0, 0, 0))
## Softbody - From points/indices
#import cube
#points = [LPoint3(x,y,z) * 3 for x,y,z in cube.nodes]
#indices = sum([list(x) for x in cube.elements], [])
#node = BulletSoftBodyNode.make_tet_mesh(info, points, indices, True)
#node.set_volume_mass(300);
#node.get_shape(0).set_margin(0.01)
#node.get_material(0).set_linear_stiffness(0.8)
#node.get_cfg().set_positions_solver_iterations(1)
#node.get_cfg().clear_all_collision_flags()
#node.get_cfg().set_collision_flag(
#BulletSoftBodyConfig.CF_cluster_soft_soft, True)
#node.get_cfg().set_collision_flag(
#BulletSoftBodyConfig.CF_cluster_rigid_soft, True)
#node.generate_clusters(16)
#softNP = self.worldNP.attach_new_node(node)
#softNP.set_pos(0, 0, 8)
#softNP.set_hpr(0, 0, 45)
#self.world.attach(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.make_tet_mesh(info, ele, face, node)
node.set_name('Tetra')
node.set_volume_mass(300)
node.get_shape(0).set_margin(0.01)
node.get_material(0).set_linear_stiffness(0.1)
node.get_cfg().set_positions_solver_iterations(1)
node.get_cfg().clear_all_collision_flags()
node.get_cfg().set_collision_flag(
BulletSoftBodyConfig.CF_cluster_soft_soft, True)
node.get_cfg().setCollisionFlag(
BulletSoftBodyConfig.CF_cluster_rigid_soft, True)
node.generate_clusters(6)
softNP = self.worldNP.attach_new_node(node)
softNP.set_pos(0, 0, 8)
softNP.set_hpr(45, 0, 0)
self.world.attach(node)
# Option 1:
visNP = loader.load_model('models/cube/cube.egg')
visNP.reparent_to(softNP)
geom = (visNP.findAllMatches('**/+GeomNode').getPath(
0).node().modifyGeom(0))
node.link_geom(geom)
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Plane
shape = BulletPlaneShape(LVector3(0, 0, 1), 0)
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Ground'))
np.node().add_shape(shape)
np.set_pos(0, 0, -1)
np.set_collide_mask(BitMask32.all_on())
self.world.attach(np.node())
# Chassis
shape = BulletBoxShape(LVector3(0.6, 1.4, 0.5))
ts = TransformState.make_pos(LPoint3(0, 0, 0.5))
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Vehicle'))
np.node().add_shape(shape, ts)
np.set_pos(0, 0, 1)
np.node().set_mass(800.0)
np.node().set_deactivation_enabled(False)
self.world.attach(np.node())
#np.node().set_ccd_swept_sphere_radius(1.0)
#np.node().set_ccd_motion_threshold(1e-7)
# Vehicle
self.vehicle = BulletVehicle(self.world, np.node())
self.vehicle.set_coordinate_system(ZUp)
self.world.attach(self.vehicle)
self.yugoNP = loader.load_model('models/yugo/yugo.egg')
self.yugoNP.reparent_to(np)
# Right front wheel
np = loader.load_model('models/yugo/yugotireR.egg')
np.reparent_to(self.worldNP)
self.add_wheel(LPoint3( 0.70, 1.05, 0.3), True, np)
# Left front wheel
np = loader.load_model('models/yugo/yugotireL.egg')
np.reparent_to(self.worldNP)
self.add_wheel(LPoint3(-0.70, 1.05, 0.3), True, np)
# Right rear wheel
np = loader.load_model('models/yugo/yugotireR.egg')
np.reparent_to(self.worldNP)
self.add_wheel(LPoint3( 0.70, -1.05, 0.3), False, np)
# Left rear wheel
np = loader.load_model('models/yugo/yugotireL.egg')
np.reparent_to(self.worldNP)
self.add_wheel(LPoint3(-0.70, -1.05, 0.3), False, np)
# Steering info
self.steering = 0.0 # degree
self.steeringClamp = 45.0 # degree
self.steeringIncrement = 120.0 # degree per second
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.debugNP.node().show_wireframe(True)
self.debugNP.node().show_constraints(True)
self.debugNP.node().show_bounding_boxes(False)
self.debugNP.node().show_normals(False)
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Ground
shape = BulletPlaneShape(LVector3(0, 0, 1), 0)
body = BulletRigidBodyNode('Ground')
bodyNP = self.worldNP.attach_new_node(body)
bodyNP.node().add_shape(shape)
bodyNP.set_pos(0, 0, 0)
bodyNP.set_collide_mask(BitMask32.all_on())
self.world.attach(bodyNP.node())
# Bowl
visNP = loader.load_model('models/bowl.egg')
geom = (visNP.findAllMatches('**/+GeomNode').get_path(
0).node().get_geom(0))
mesh = BulletTriangleMesh()
mesh.addGeom(geom)
shape = BulletTriangleMeshShape(mesh, dynamic=True)
body = BulletRigidBodyNode('Bowl')
bodyNP = self.worldNP.attach_new_node(body)
bodyNP.node().add_shape(shape)
bodyNP.node().set_mass(10.0)
bodyNP.set_pos(0, 0, 0)
bodyNP.set_collide_mask(BitMask32.all_on())
self.world.attach(bodyNP.node())
visNP.reparent_to(bodyNP)
self.bowlNP = bodyNP
self.bowlNP.set_scale(2)
# Eggs
self.eggNPs = []
for i in range(5):
x = random.gauss(0, 0.1)
y = random.gauss(0, 0.1)
z = random.gauss(0, 0.1) + 1
h = random.random() * 360
p = random.random() * 360
r = random.random() * 360
visNP = loader.load_model('models/egg.egg')
geom = (visNP.find_all_matches('**/+GeomNode').get_path(
0).node().get_geom(0))
shape = BulletConvexHullShape()
shape.addGeom(geom)
body = BulletRigidBodyNode('Egg-%i' % i)
bodyNP = self.worldNP.attach_new_node(body)
bodyNP.node().set_mass(1.0)
bodyNP.node().add_shape(shape)
bodyNP.node().set_deactivation_enabled(False)
bodyNP.set_collide_mask(BitMask32.all_on())
bodyNP.set_pos_hpr(x, y, z, h, p, r)
#bodyNP.set_scale(1.5)
self.world.attach(bodyNP.node())
visNP.reparent_to(bodyNP)
self.eggNPs.append(bodyNP)
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
#self.debugNP.show_tight_bounds()
#self.debugNP.show_bounds()
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Ground
p0 = LPoint3(-20, -20, 0)
p1 = LPoint3(-20, 20, 0)
p2 = LPoint3(20, -20, 0)
p3 = LPoint3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.add_triangle(p0, p1, p2)
mesh.add_triangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Mesh'))
np.node().add_shape(shape)
np.set_pos(0, 0, -2)
np.set_collide_mask(BitMask32.all_on())
self.world.attach(np.node())
# Stair
origin = LPoint3(0, 0, 0)
size = LVector3(2, 10, 1)
shape = BulletBoxShape(size * 0.5)
for i in range(10):
pos = origin + size * i
pos.setY(0)
np = self.worldNP.attach_new_node(
BulletRigidBodyNode('Stair{}'.format(i)))
np.node().add_shape(shape)
np.set_pos(pos)
np.set_collide_mask(BitMask32.all_on())
npV = loader.load_model('models/box.egg')
npV.reparent_to(np)
npV.set_scale(size)
self.world.attach(np.node())
# Soft body world information
info = self.world.get_world_info()
info.set_air_density(1.2)
info.set_water_density(0)
info.set_water_offset(0)
info.set_water_normal(LVector3(0, 0, 0))
# Softbody
center = LPoint3(0, 0, 0)
radius = LVector3(1, 1, 1) * 1.5
node = BulletSoftBodyNode.make_ellipsoid(info, center, radius, 128)
node.set_name('Ellipsoid')
node.get_material(0).set_linear_stiffness(0.1)
node.get_cfg().set_dynamic_friction_coefficient(1)
node.get_cfg().set_damping_coefficient(0.001)
node.get_cfg().set_pressure_coefficient(1500)
node.set_total_mass(30, True)
node.set_pose(True, False)
np = self.worldNP.attach_new_node(node)
np.set_pos(15, 0, 12)
#np.setH(90.0)
#np.show_bounds()
#np.show_tight_bounds()
self.world.attach(np.node())
geom = BulletHelper.make_geom_from_faces(node)
node.link_geom(geom)
nodeV = GeomNode('EllipsoidVisual')
nodeV.add_geom(geom)
npV = np.attach_new_node(nodeV)
def setup(self):
self.worldNP = render.attach_new_node('World')
# World
self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.set_gravity(LVector3(0, 0, -9.81))
self.world.set_debug_node(self.debugNP.node())
# Ground
p0 = LPoint3(-20, -20, 0)
p1 = LPoint3(-20, 20, 0)
p2 = LPoint3(20, -20, 0)
p3 = LPoint3(20, 20, 0)
mesh = BulletTriangleMesh()
mesh.add_triangle(p0, p1, p2)
mesh.add_triangle(p1, p2, p3)
shape = BulletTriangleMeshShape(mesh, dynamic=False)
np = self.worldNP.attach_new_node(BulletRigidBodyNode('Mesh'))
np.node().add_shape(shape)
np.set_pos(0, 0, -2)
np.set_collide_mask(BitMask32.all_on())
self.world.attach(np.node())
# Soft body world information
info = self.world.get_world_info()
info.set_air_density(1.2)
info.set_water_density(0)
info.set_water_offset(0)
info.set_water_normal(LVector3(0, 0, 0))
# Softbody
for i in range(50):
p00 = LPoint3(-2, -2, 0)
p10 = LPoint3(2, -2, 0)
p01 = LPoint3(-2, 2, 0)
p11 = LPoint3(2, 2, 0)
node = BulletSoftBodyNode.make_patch(info, p00, p10, p01, p11, 6,
6, 0, True)
node.generate_bending_constraints(2)
node.get_cfg().set_lift_coefficient(0.004)
node.get_cfg().set_dynamic_friction_coefficient(0.0003)
node.get_cfg().set_aero_model(
BulletSoftBodyConfig.AM_vertex_two_sided)
node.set_total_mass(0.1)
node.add_force(LVector3(0, 2, 0), 0)
np = self.worldNP.attach_new_node(node)
np.set_pos(self.LVector3_rand() * 10 + LVector3(0, 0, 20))
np.set_hpr(self.LVector3_rand() * 16)
self.world.attach(node)
fmt = GeomVertexFormat.get_v3n3t2()
geom = BulletHelper.make_geom_from_faces(node, fmt, True)
node.link_geom(geom)
nodeV = GeomNode('')
nodeV.add_geom(geom)
npV = np.attach_new_node(nodeV)
tex = loader.load_texture('models/panda.jpg')
npV.set_texture(tex)
BulletHelper.make_texcoords_for_patch(geom, 6, 6)
