def on_destroy(self):
# Create explosion
for s in self.body.shapes:
bodydef = Body()
bodydef.ccd = True
debris = self.melee.world.append_body(bodydef)
debris.linear_velocity = Vec2(randrange(-100.0, 100.0),
randrange(-100.0, 100.0))
junk = Debris(self.melee, debris)
if isinstance(s, BoundPolygon):
# Polygon
debris.position = self.body.position + s.centroid
polydef = Polygon()
polydef.density = 10
polydef.vertices = s.vertices
shape = debris.append_shape(polydef)
# Register shapes for collision callbacks
self.melee.contact_register[hash(shape)] = junk
else:
# Circle
debris.position = self.body.position + s.local_position
circdef = Circle()
circdef.density = 10
circle.radis = s.radius
shape = debris.append_shape(circdef)
self.melee.contact_register[hash(shape)] = junk
debris.set_mass_from_shapes()
def __init__(self, melee):
Ship.__init__(self, melee)
##
## Manually Create turret
## TODO: Eventually this will be autogenerated via SVG
from utils.squirtle import SVG
svg_turret = SVG('data/ships/nemesis-turret.svg')
svg_turret.init((105.908, 106.821), self.scale)
# Create body
bodydef = Body()
bodydef.ccd = True
bodydef.position = self.body.position
self.turret = melee.world.append_body(bodydef)
self.turret.angular_velocity = self.body.angular_velocity
self.turret.linear_velocity = self.body.linear_velocity
# Create shapes
self.radius = 0.85
density = 2.0
# Base
base = Circle()
base.collision_group = self.group
base.radius = self.radius
base.density = density
# Barrel
verts = [Vec2(0.15, -2), Vec2(0.15, 0), Vec2(-0.15, 0), Vec2( -0.15, -2)]
barrel = Polygon()
barrel.vertices = verts
barrel.collision_group = self.group
barrel.density = density
s1 = self.turret.append_shape(base)
s2 = self.turret.append_shape(barrel)
self.turret.set_mass_from_shapes()
# Create secondary
SecondaryWeapon(self, melee, self.turret, svg_turret)
def fire(self):
# This is a specalized function..
if not self.primary_time() or self.battery <= self.pEnergy:
return
# Drain battery
self.battery_cost(self.pEnergy)
# Create body and shape
bodydef = Body()
bodydef.ccd = True
bodydef.angle = self.body.angle + (pi * 0.5) + self.turret_angle
bodydef.position = self.turret.get_world_point(Vec2(0, -3))
shell = self.melee.world.append_body(bodydef)
angle = vforangle(bodydef.angle)
velocity = rotate(angle, (0.0, -150.0))
vb = self.body.linear_velocity
shell.linear_velocity = Vec2(velocity[0]+vb.x, velocity[1]+vb.y)
polydef = Polygon()
verts = [Vec2(0.5, 0.8), Vec2(-0.5, 0.8), Vec2(-0.5, -0.8), Vec2(0.5, -0.8)]
polydef.vertices = verts
polydef.density = 5
polydef.collision_group = self.group
shell.append_shape(polydef)
shell.set_mass_from_shapes()
# Create projectile
projectile = PrimaryWeapon(self, self.melee, shell)
projectile.group = self.group
projectile.lifetime = 2.5
projectile.damage = 10
projectile.health = 5
projectile.shapes = verts
def __init__(self, melee):
Actor.__init__(self, melee)
# Set max linear and angular velocity
self.max_linear_velocity = 50
self.max_angular_velocity = pi
# Physics (based on SVG shapes)
self.translate = calc_center(self.lines[self.parts.index(self.center_part)])
self.svg.init(self.translate, self.scale)
bodydef = Body()
bodydef.ccd = True
bodydef.position = self.initial_position
self.body = melee.world.append_body(bodydef)
self.body.linear_velocity = self.initial_velocity
self.body.angular_velocity = self.initial_ang_vel
for p in self.lines:
polygondef = Polygon()
polygondef.density = self.density
# Ensure points are oriented ccw
ccw = convex_hull(p)
# Translate and scale points
verts = []
for v in ccw:
x = (v[0] - self.translate[0]) * self.scale
y = (v[1] - self.translate[1]) * self.scale
verts.append(Vec2(x, y))
polygondef.vertices = verts
polygondef.collision_group = self.group
shape = self.body.append_shape(polygondef)
# Register shapes for collision callbacks
melee.contact_register[hash(shape)] = self
self.body.set_mass_from_shapes()
