# Debug visualization
debug_node = BulletDebugNode('Debug')
debug_node.showWireframe(True)
debug_node.showConstraints(True)
debug_node.showBoundingBoxes(False)
debug_node.showNormals(False)
debug_np = s.render.attach_new_node(debug_node)
bullet_world.set_debug_node(debug_node)
debug_np.show()
# The object in question
mass = BulletRigidBodyNode()
mass.set_mass(1)
mass.setLinearSleepThreshold(0)
mass.setAngularSleepThreshold(0)
shape = BulletSphereShape(1)
mass.add_shape(shape)
mass_node = s.render.attach_new_node(mass)
mass_node.set_hpr(1, 1, 1)
bullet_world.attach_rigid_body(mass)
model = s.loader.load_model('models/smiley')
model.reparent_to(mass_node)
model_axis = loader.load_model('models/zup-axis')
model_axis.reparent_to(model)
model_axis.set_pos(0, 0, 0)
model_axis.set_scale(0.2)
# The orientation to reach
target_node = s.loader.load_model('models/smiley')
class Chunk(Entity):
chunkmass = 5.0
def __init__(self, world, blocks, pos, hpr=Point3(0,0,0), diff = Vec3(0,0,0), angVel = Vec3(0,0,0), linVel = Vec3(0,0,0)):
super(Chunk, self).__init__()
self.mass = len(blocks)*Chunk.chunkmass
self.world = world
self.blocks = blocks
self.bnode = BulletRigidBodyNode()
self.bnode.setMass(self.mass)
self.bnode.setAngularFactor(Vec3(0,1,0))
self.bnode.setLinearSleepThreshold(20)
self.bnode.setAngularSleepThreshold(20)
self.bnode.setAngularVelocity(angVel)
self.bnode.setLinearVelocity(linVel)
self.np = utilities.app.render.attachNewNode(self.bnode)
self.np.setPos(pos.x,20,pos.y)
self.np.setHpr(hpr)
self.np.setPos(self.np, diff)
self.bnode.setPythonTag("entity", self)
self.inScope = False # culling not done yet
# centre the blocks around the np and add their shapes in.
self.minMax()
cog = Point2((self.minX+self.maxX) / 2.0, (self.minY+self.maxY) / 2.0)
for block in blocks:
block.rebuild(self, cog)
world.bw.attachRigidBody(self.bnode)
self.hitlist = dict()
def update(self, timer):
for index in self.hitlist:
# returns true if the wall is destroyed by the hit
if self.blocks[index].hitby(self.hitlist[index]):
self.blocks[index].destroy()
self.rebuild(index)
self.hitlist.clear()
if self.playerDistance() > 40.0:
self.bnode.setAngularSleepThreshold(1)
self.bnode.setLinearSleepThreshold(1)
else:
self.bnode.setAngularSleepThreshold(0)
self.bnode.setLinearSleepThreshold(0)
def playerDistance(self):
sp = self.np.getPos()
pp = self.world.player.node.getPos()
distance = hypot(sp.x - pp.x, sp.z - pp.z)
return distance
# remove an element and rebuild
# TODO add another method for removing multiple
# blocks in a single go
def rebuild(self, index):
deadblock = self.blocks[index]
out = list()
for block in self.blocks:
for edge in block.edges:
if edge == deadblock:
block.edges.remove(edge)
for block in deadblock.edges:
chunk = list()
self.searchBlock(block, chunk, deadblock)
out.append(chunk)
#out is a list of lists of populated blocks
#remove duplicate chunks
results = list()
for chunk in out:
chunk.sort(compareBlock)
if not chunk in results and len(chunk) > 0:
results.append(chunk)
for result in results:
self.minMax(result)
#diff = Point2((self.minX+self.maxX) / 2.0, (self.minY+self.maxY) / 2.0)
diff = Vec3((self.minX+self.maxX) / 2.0, 0, (self.minY+self.maxY) / 2.0)
p = self.np.getPos()
pos = Point2(p.x, p.z)
h = self.np.getHpr()
self.world.entities.append(Chunk(self.world, result, pos, h, diff, self.bnode.getAngularVelocity(), self.bnode.getLinearVelocity()))
self.destroyNow()
self.remove = True
def searchBlock(self, block, lst, deleted):
if block in lst:
return
else:
lst.append(block)
for newblock in block.edges:
self.searchBlock(newblock, lst, deleted)
def minMax(self, blocks=None):
if blocks == None:
blocks = self.blocks
self.minX = blocks[0].pos.x
self.minY = blocks[0].pos.y
self.maxX = blocks[0].pos.x
self.maxY = blocks[0].pos.y
for point in blocks:
self.minX = min(point.pos.x, self.minX)
self.minY = min(point.pos.y, self.minY)
self.maxX = max(point.pos.x, self.maxX)
self.maxY = max(point.pos.y, self.maxY)
# Need to clear the bulletrigidbody immediately
# so that the phys object isn't present during next sim phase
# which occurs before cleanup normally. Otherwise shit will
# fly everywhere since two things are inside each other
def destroyNow(self):
self.world.bw.removeRigidBody(self.bnode)
return
# since this is handled earlier nothing happens
def destroy(self):
return
def hitby(self, projectile, index):
self.hitlist[index] = projectile
# Debug visualization
debug_node = BulletDebugNode('Debug')
debug_node.showWireframe(True)
debug_node.showConstraints(True)
debug_node.showBoundingBoxes(False)
debug_node.showNormals(False)
debug_np = s.render.attach_new_node(debug_node)
bullet_world.set_debug_node(debug_node)
debug_np.show()
# The object in question
mass = BulletRigidBodyNode()
mass.set_mass(1)
mass.setLinearSleepThreshold(0)
mass.setAngularSleepThreshold(0)
shape = BulletSphereShape(1)
mass.add_shape(shape)
mass_node = s.render.attach_new_node(mass)
mass_node.set_hpr(1, 1, 1)
bullet_world.attach_rigid_body(mass)
model = s.loader.load_model('models/smiley')
model.reparent_to(mass_node)
model_axis = loader.load_model('models/zup-axis')
model_axis.reparent_to(model)
model_axis.set_pos(0, 0, 0)
model_axis.set_scale(0.2)
# The orientation to reach
target_node = s.loader.load_model('models/smiley')
target_node.reparent_to(s.render)
class Chunk(Entity):
chunkmass = 5.0
def __init__(self,
world,
blocks,
pos,
hpr=Point3(0, 0, 0),
diff=Vec3(0, 0, 0),
angVel=Vec3(0, 0, 0),
linVel=Vec3(0, 0, 0)):
super(Chunk, self).__init__()
self.mass = len(blocks) * Chunk.chunkmass
self.world = world
self.blocks = blocks
self.bnode = BulletRigidBodyNode()
self.bnode.setMass(self.mass)
self.bnode.setAngularFactor(Vec3(0, 1, 0))
self.bnode.setLinearSleepThreshold(20)
self.bnode.setAngularSleepThreshold(20)
self.bnode.setAngularVelocity(angVel)
self.bnode.setLinearVelocity(linVel)
self.np = utilities.app.render.attachNewNode(self.bnode)
self.np.setPos(pos.x, 20, pos.y)
self.np.setHpr(hpr)
self.np.setPos(self.np, diff)
self.bnode.setPythonTag("entity", self)
self.inScope = False # culling not done yet
# centre the blocks around the np and add their shapes in.
self.minMax()
cog = Point2((self.minX + self.maxX) / 2.0,
(self.minY + self.maxY) / 2.0)
for block in blocks:
block.rebuild(self, cog)
world.bw.attachRigidBody(self.bnode)
self.hitlist = dict()
def update(self, timer):
for index in self.hitlist:
# returns true if the wall is destroyed by the hit
if self.blocks[index].hitby(self.hitlist[index]):
self.blocks[index].destroy()
self.rebuild(index)
self.hitlist.clear()
if self.playerDistance() > 40.0:
self.bnode.setAngularSleepThreshold(1)
self.bnode.setLinearSleepThreshold(1)
else:
self.bnode.setAngularSleepThreshold(0)
self.bnode.setLinearSleepThreshold(0)
def playerDistance(self):
sp = self.np.getPos()
pp = self.world.player.node.getPos()
distance = hypot(sp.x - pp.x, sp.z - pp.z)
return distance
# remove an element and rebuild
# TODO add another method for removing multiple
# blocks in a single go
def rebuild(self, index):
deadblock = self.blocks[index]
out = list()
for block in self.blocks:
for edge in block.edges:
if edge == deadblock:
block.edges.remove(edge)
for block in deadblock.edges:
chunk = list()
self.searchBlock(block, chunk, deadblock)
out.append(chunk)
#out is a list of lists of populated blocks
#remove duplicate chunks
results = list()
for chunk in out:
chunk.sort(compareBlock)
if not chunk in results and len(chunk) > 0:
results.append(chunk)
for result in results:
self.minMax(result)
#diff = Point2((self.minX+self.maxX) / 2.0, (self.minY+self.maxY) / 2.0)
diff = Vec3((self.minX + self.maxX) / 2.0, 0,
(self.minY + self.maxY) / 2.0)
p = self.np.getPos()
pos = Point2(p.x, p.z)
h = self.np.getHpr()
self.world.entities.append(
Chunk(self.world, result, pos, h, diff,
self.bnode.getAngularVelocity(),
self.bnode.getLinearVelocity()))
self.destroyNow()
self.remove = True
def searchBlock(self, block, lst, deleted):
if block in lst:
return
else:
lst.append(block)
for newblock in block.edges:
self.searchBlock(newblock, lst, deleted)
def minMax(self, blocks=None):
if blocks == None:
blocks = self.blocks
self.minX = blocks[0].pos.x
self.minY = blocks[0].pos.y
self.maxX = blocks[0].pos.x
self.maxY = blocks[0].pos.y
for point in blocks:
self.minX = min(point.pos.x, self.minX)
self.minY = min(point.pos.y, self.minY)
self.maxX = max(point.pos.x, self.maxX)
self.maxY = max(point.pos.y, self.maxY)
# Need to clear the bulletrigidbody immediately
# so that the phys object isn't present during next sim phase
# which occurs before cleanup normally. Otherwise shit will
# fly everywhere since two things are inside each other
def destroyNow(self):
self.world.bw.removeRigidBody(self.bnode)
return
# since this is handled earlier nothing happens
def destroy(self):
return
def hitby(self, projectile, index):
self.hitlist[index] = projectile
