def MouseDown(self, p):
"""
Indicates that there was a left click at point p (world coordinates)
"""
if self.mouseJoint != None:
return
# Make a small box.
aabb = box2d.b2AABB()
d = box2d.b2Vec2(0.001, 0.001)
aabb.lowerBound = p - d
aabb.upperBound = p + d
# Query the world for overlapping shapes.
body = None
k_maxCount = 10
(count, shapes) = self.world.Query(aabb, k_maxCount)
for shape in shapes:
shapeBody = shape.GetBody()
if shapeBody.IsStatic() == False and shapeBody.GetMass() > 0.0:
if shape.TestPoint(shapeBody.GetXForm(), p): # is it inside?
body = shapeBody
break
if body:
md = box2d.b2MouseJointDef()
md.body1 = self.world.GetGroundBody()
md.body2 = body
md.target = p
md.maxForce= 1000.0 * body.GetMass()
self.mouseJoint = self.world.CreateJoint(md)
body.WakeUp()
def create_mouse_joint(self, x, y):
""" create a mouse joint to the body on world coordinates x, y """
if self.mouse_joint:
return
world_coord = box2d.b2Vec2(self.debugDraw.screen_to_world((x, y)))
aabb = box2d.b2AABB()
aabb.lowerBound = world_coord - (0.001, 0.001)
aabb.upperBound = world_coord + (0.001, 0.001)
max_count = 10
count, shapes = self.world.Query(aabb, max_count)
body = (body for shape, body in ((shape, shape.GetBody())
for shape in shapes)
if not body.IsStatic()
and body.GetMass() > 0.0
and shape.TestPoint(body.GetXForm(), world_coord))
body = list(itertools.islice(body, 1))
body = body[0] if len(body) == 1 else None
if body:
md = box2d.b2MouseJointDef()
md.body1 = self.world.GetGroundBody()
md.body2 = body
md.target = world_coord
md.maxForce = 1000 * body.GetMass()
self.mouse_joint = self.world.CreateJoint(md)
body.WakeUp()
def createJoint(self,ball,pos):
mouseDef=Box2D.b2MouseJointDef()
pos=self.s2wPos(pos)
mouseDef.target=Box2D.b2Vec2(pos[0], pos[1])
mouseDef.maxForce=20000*ball.body.GetMass()
mouseDef.body1=self.world.groundBody
mouseDef.body2=ball.body
mouseDef.collideConnected=True
return self.world.CreateJoint(mouseDef).asMouseJoint()
def mouseJoint(self, body, pos, jointForce=100.0):
pos = self.parent.to_world(pos)
x, y = pos
x /= self.parent.ppm
y /= self.parent.ppm
mj = box2d.b2MouseJointDef()
mj.bodyA = self.parent.world.groundBody
mj.bodyB = body
mj.target = (x, y)
mj.maxForce = jointForce * body.mass
if 'getAsType' in dir(box2d.b2Joint):
self.parent.mouseJoint = \
self.parent.world.CreateJoint(mj).getAsType()
else:
self.parent.mouseJoint = self.parent.world.CreateJoint(mj)
body.awake = True
def MouseDown(self, p):
"""
Indicates that there was a left click at point p (world coordinates)
"""
if self.mouseJoint != None:
return
# Create a mouse joint on the selected body (assuming it's dynamic)
# Make a small box.
aabb = box2d.b2AABB()
aabb.lowerBound = p - (0.001, 0.001)
aabb.upperBound = p + (0.001, 0.001)
# Query the world for overlapping shapes.
body = None
k_maxCount = 10 # maximum amount of shapes to return
(count, shapes) = self.world.Query(aabb, k_maxCount)
for shape in shapes:
shapeBody = shape.GetBody()
if not shapeBody.IsStatic() and shapeBody.GetMass() > 0.0:
if shape.TestPoint(shapeBody.GetXForm(), p): # is it inside?
body = shapeBody
break
if body:
# A body was selected, create the mouse joint
md = box2d.b2MouseJointDef()
md.body1 = self.world.GetGroundBody()
md.body2 = body
md.target = p
md.maxForce= 1000.0 * body.GetMass()
self.mouseJoint = self.world.CreateJoint(md)
body.WakeUp()
def MouseDown(self, p):
"""
Indicates that there was a left click at point p (world coordinates)
"""
if self.mouseJoint != None:
return
# Create a mouse joint on the selected body (assuming it's dynamic)
# Make a small box.
aabb = box2d.b2AABB()
aabb.lowerBound = p - (0.001, 0.001)
aabb.upperBound = p + (0.001, 0.001)
# Query the world for overlapping shapes.
body = None
k_maxCount = 10 # maximum amount of shapes to return
(count, shapes) = self.world.Query(aabb, k_maxCount)
for shape in shapes:
shapeBody = shape.GetBody()
if not shapeBody.IsStatic() and shapeBody.GetMass() > 0.0:
if shape.TestPoint(shapeBody.GetXForm(), p): # is it inside?
body = shapeBody
break
if body:
# A body was selected, create the mouse joint
md = box2d.b2MouseJointDef()
md.body1 = self.world.GetGroundBody()
md.body2 = body
md.target = p
md.maxForce = 1000.0 * body.GetMass()
self.mouseJoint = self.world.CreateJoint(md).getAsType()
body.WakeUp()
def draw_blocks(self):
for block in self.blockbodies.itervalues():
block.draw()
blocks = Blocks()
for l in range(-1,3):
for i in range(-4,3):
blocks.add_block(Block((i*8,l*8),2,2, 800, 'circle'))
md = box2d.b2MouseJointDef()
md.body1 = body # world.GetGroundBody()
md.body2 = body
md.target = body.GetWorldCenter() # toWorld(pygame.mouse.get_pos())
md.maxForce= 100000.0
mouseJoint = world.CreateJoint(md).getAsType()
body.WakeUp()
delete = []
class fwContactListener(box2d.b2ContactListener):
"""
Handles all of the contact states passed in from Box2D.
"""
test = None
def __init__(self):