def create_2body(self, pos):
e1 = self.create_body(pos, 100, 'greencircle', mass=10)
posx, posy = pos
pos2 = posx, posy - 125
e2 = self.create_body(pos2, 20, 'redcircle', mass=30, collision_type=0)
body1 = self.gameworld.entities[e1].cymunk_physics.body
body2 = self.gameworld.entities[e2].cymunk_physics.body
pivot = PivotJoint(body1, body2, pos2)
self.gameworld.physics.space.add(pivot)
def pivot_joint(self):
entities = self.gameworld.entities
physics = self.gameworld.system_manager['cymunk_physics']
objs = [('batholder', 'bat')]
for x in range(len(objs)):
entity = entities[ent[objs[x][0]]]
batholder = entity.cymunk_physics.body
entity = entities[ent[objs[x][1]]]
bat = entity.cymunk_physics.body
anchr1 = (0, 40)
anchr2 = (0, 0)
bat_joint = PivotJoint(batholder, bat, anchr1, anchr2)
physics.space.add_constraint(bat_joint)
def create_roundrect2body(self, pos):
w = 100
mass = 50
col_shapes = []
for x in (-w / 4, w / 4):
for y in (-w / 4, w / 4):
col_shapes.append({
'shape_type': 'circle',
'elasticity': .0,
'collision_type': 1,
'shape_info': {
'inner_radius': 0,
'outer_radius': w / 4,
'mass': mass / 4,
'offset': (x, y)
},
'friction': 1.0
})
physics_component = {
'main_shape': 'circle',
'velocity': (0, 0),
'position': pos,
'angle': 0,
'angular_velocity': 0,
'vel_limit': 250,
'ang_vel_limit': radians(200),
'mass': mass,
'col_shapes': col_shapes
}
create_component_dict = {
'cymunk_physics': physics_component,
'rotate_renderer': {
'texture': 'roundrect',
'size': (w, w),
'render': True
},
'position': pos,
'rotate': 0,
}
component_order = [
'position',
'rotate',
'rotate_renderer',
'cymunk_physics',
]
eid = self.gameworld.init_entity(create_component_dict,
component_order)
posx, posy = pos
pos2 = posx, posy - w
e2 = self.create_body(pos2,
20,
'redcircle',
mass=100,
collision_type=0)
body1 = self.gameworld.entities[eid].cymunk_physics.body
body2 = self.gameworld.entities[e2].cymunk_physics.body
pivot = PivotJoint(body1, body2, pos2)
self.gameworld.physics.space.add(pivot)
def joint(self, with_who, point):
self.unjoint()
self.joint_in_use = PivotJoint(self.body, with_who.body, point)
self.space.add(self.joint_in_use)