def __init__(self, weapon, speed=300, max_distance=700):
rotation = weapon.owner.transform.rotation
position = weapon.owner.transform.position
point = weapon.bullet_offset + position
c = -math.cos(rotation / 57.295)
s = -math.sin(rotation / 57.295)
# translate point back to origin:
point.x -= position.x
point.y -= position.y
# rotate point
xnew = point.x * s - point.y * c
ynew = point.x * c + point.y * s
# translate point back:
point.x = xnew + position.x
point.y = ynew + position.y
super().__init__(position=point,
rotation=rotation,
scale=Vector2(1, 1),
origin=Vector2(0.5, 0.5))
self.transform.rotation += (random.random() * 2 - 1) * weapon.spread
self.damage = weapon.damage
self.speed = speed
self.max_distance = max_distance
self.add_sprite_renderer(sprite=sprite_manager.get('bullet'),
sorting_order=2)
self.add_collider('bullet', Vector2(50, 50), Vector2(0, 0), True, True)
def __init__(self,
owner,
damage,
spread,
bullets,
magazine_size,
fire_rate,
position=Vector2(0, 0),
bullet_offset=Vector2(0, 0),
bullet_speed=500,
bullet_max_distance=700):
'''
'''
super().__init__(position=position,
scale=Vector2(1, 1),
hitbox=Vector2(0, 0))
self.owner = owner
self.bullet_offset = bullet_offset
self.bullet_speed = bullet_speed
self.bullet_max_distance = bullet_max_distance
self.damage = damage
self.spread = spread
self.bullets = bullets - 1
self.magazine_size = magazine_size
self.fire_rate = fire_rate
self.name = 'unknown'
self.can_shoot = True
self.reloading = False
self._timer = 0
def __init__(self, player, position=Vector2(0, 0), scale=Vector2(1, 1)):
'''
:param position (Vector2): the position of this Character
:param rotation (int): the rotation of this Character
:param scale (Vector2): the scale of this Character
:param origin (Vector2): the origin of this Character
:param max_health (int): the max health of this Character
'''
super().__init__(position=position,
scale=scale,
hitbox=Vector2(50, 50),
max_health=100,
damage=20,
speed=60,
attack_range=100)
self.player = player
self.add_sprite_renderer(sorting_order=3)
self.collider.tag = 'zombie'
self.add_animator()
self.animator.add_animation('walk',
animation_manager.get('zombie_walk'))
self.animator.add_animation('attack',
animation_manager.get('zombie_attack'))
self.animator.add_animation('dead',
animation_manager.get('zombie_attack'))
self.animator.animations['attack'].on_done = self.attack
self.attack = False
def load_content(self):
super().load_content()
sound_manager.play_song('game')
self.player = Player(Vector2(928, 928))
self.instantiate(self.player)
# create enemy spawner
enemy_spawner = EnemySpawner(utils.enemy_waves, self.player)
enemy_spawner.on_new_wave = self.on_new_wave
self.instantiate(enemy_spawner)
# map
map = [['grass'] * 30 for i in range(30)]
for y in range(len(map)):
for x in range(len(map[y])):
if (random.random() < 0.2 or x == 0 or x == 28 or y == 0
or y == 28):
map[y][x] = 'gravel'
grassTile = Tile('grass', sprite_manager.get('grass'))
gravelTile = Tile('gravel', sprite_manager.get('gravel'))
tilemap = Tilemap(self.camera, map, [grassTile, gravelTile],
Vector2(64, 64), Vector2(), 0)
self.instantiate(tilemap)
self._wave_text_timer = 0
self._current_wave = 0
def __init__(self,
position=Vector2(0, 0),
scale=Vector2(1, 1),
hitbox=Vector2(50, 50),
max_health=100,
damage=10,
speed=20,
attack_range=80):
'''
:param position (Vector2): the position of this Character
:param rotation (int): the rotation of this Character
:param scale (Vector2): the scale of this Character
:param origin (Vector2): the origin of this Character
:param max_health (int): the max health of this Character
'''
super().__init__(position=position,
rotation=0,
scale=scale,
origin=Vector2(0.5, 0.5),
max_health=max_health,
speed=speed)
self.add_collider('enemy', hitbox, Vector2(0, 0), False, False)
self.collider.on_trigger_enter = self.on_trigger_enter
self.damage = damage
self.attack_range = attack_range
def __init__(self, position=Vector2(0, 0), size=Vector2(0, 0)):
'''
:param position (Vector2): the position of the Rectangle
:param size (Vector2): the size of the Rectangle
'''
self.position = position
self.size = size
def load_content(self) -> None:
''' All content the are supposed to be loaded/initialized only once at the beginning are meant to belong in this method, this method is called once
:returns: NoReturn
:rtype: None
'''
self.object_handler = ObjectHandler(
Vector2(0, 0), Vector2.tuple_to_vector2(utils.world_size))
self.camera = Camera(utils.window, self.object_handler,
Transform(None),
Vector2.tuple_to_vector2(utils.window_size),
Vector2(0, 0))
def on_render(self, surface) -> None:
''' a method that is invoked when the GameObject about to render
:param surface (Surface): the surface this Tilemap will render on
:returns: NoReturn
:rtype: None
'''
super().on_render(surface)
# the size of each tile after scaling
scaled_tile_size = Vector2(
int(self._camera.transform.scale.x * self._tile_size.x),
int(self._camera.transform.scale.y * self._tile_size.y))
# calculate how many tiles will fit on the screen
max_tiles_on_screen = Vector2(
self._camera.size.x // scaled_tile_size.x,
self._camera.size.y // scaled_tile_size.y)
# calculate the start index to begin drawing the map
start_index = (self.transform.position +
self._camera.transform.position) // scaled_tile_size
if start_index.x < 0: start_index.x = 0
if start_index.y < 0: start_index.y = 0
# calculate the end index to stop drawing the map
end_index = start_index + max_tiles_on_screen + Vector2(2, 2)
if end_index.x > len(self._map[-1]) - 1:
end_index.x = len(self._map[-1]) - 1
if end_index.y > len(self._map) - 1: end_index.y = len(self._map) - 1
for y in range(start_index.y, end_index.y):
for x in range(start_index.x, end_index.x):
name = self._map[y][x] # get Tile name
tile = self._tiles[name] # get Tile
# scale the tile
sprite = pygame.transform.scale(tile.sprite,
scaled_tile_size.to_tuple())
# position of the tile
position = self.transform.position - self._camera.transform.position + Vector2(
x, y) * scaled_tile_size
# draw tile
surface.blit(sprite, position.to_tuple(), tile.source_rect)
def update(self, delta_time):
'''
'''
super().update(delta_time)
if self.is_dead:
return
# update current gun
self.current_gun.update(delta_time)
# handle movement
self._movement(delta_time)
# shoot
if event_handler.is_mouse_down(1):
self.attack()
# switch weapons
self._swith_weapons()
# get the camera in current screen
camera = Screen.get_current_screen().camera
# look at mouse
self.transform.look_at(
camera.screen_to_world_point(
Vector2.tuple_to_vector2(pygame.mouse.get_pos())))
# make the camera follow player
self._camera_follow(camera)
def _movement(self, delta_time):
''' move the player
:returns: NoReturn
:rtype: None
'''
speed = self.speed * (delta_time / 1000)
direction = Vector2(0, 0)
if event_handler.is_key_down(pygame.K_w):
direction.y += -1
if event_handler.is_key_down(pygame.K_s):
direction.y += 1
if event_handler.is_key_down(pygame.K_a):
direction.x += -1
if event_handler.is_key_down(pygame.K_d):
direction.x += 1
# update position
self.transform.position += direction * speed
# constrain player position
if self.transform.position.x <= 0:
self.transform.position.x = 0
elif self.transform.position.x >= utils.world_size[0]:
self.transform.position.x = utils.world_size[0]
if self.transform.position.y <= 0:
self.transform.position.y = 0
elif self.transform.position.y >= utils.world_size[1]:
self.transform.position.y = utils.world_size[1]
def __init__(self, position=Vector2(0, 0), rotation=0, scale=Vector2(1, 1), origin=Vector2(0, 0), max_health=100, speed=10):
'''
:param position (Vector2): the position of this Character
:param rotation (int): the rotation of this Character
:param scale (Vector2): the scale of this Character
:param origin (Vector2): the origin of this Character, (0, 0) is the top left and (1, 1) is the bottom right
:param max_health (int): the max health of this Character
'''
super().__init__(position, rotation, scale, origin)
self.speed = speed
self.health = max_health
self.max_health = max_health
self.is_dead = False
self._alpha = 255
def __init__(self, position):
super().__init__(position=position,
rotation=random.randint(0, 360),
origin=Vector2(0.5, 0.5))
self.add_sprite_renderer(sprite=sprite_manager.get('blood0'),
sorting_order=1)
self.collider = None
self._alpha = 255
def forward(self) -> Vector2:
''' get the forward vector of this Transform
:returns: a normalized vector pointing forward
:rtype: Vector2
'''
# 57.295 = deg to rad
return Vector2(-math.sin(self.rotation / 57.295),
-math.cos(self.rotation / 57.295))
def __init__(self,
gameobject,
position=Vector2(0, 0),
rotation=0,
scale=Vector2(1, 1),
origin=Vector2(0, 0)):
'''
:param gameobject (GameObject): the gameObject this Transform is attached to
:param position (Vector2): the position of this Transform
:param rotation (int): the rotation of this Transform
:param scale (Vector2): the scale of this Transform
:param origin (Vector2): the origin of this Transform, (0, 0) is the top left and (1, 1) is the bottom right
'''
self.gameobject = gameobject
self.position = position
self.rotation = rotation
self.scale = scale
self.origin = origin
def _subdivide(self) -> None:
''' subdivides the QuadTree into 4 new QuadTrees
:returns: NoReturn
:rtype: None
'''
position = self.boundary.position
half_size = self.boundary.size/2
nw = Rectangle(position, half_size)
ne = Rectangle(position + half_size * Vector2(1, 0), half_size)
sw = Rectangle(position + half_size * Vector2(0, 1), half_size)
se = Rectangle(position + half_size * Vector2(1, 1), half_size)
self.north_west = QuadTree(nw, self.capacity)
self.north_east = QuadTree(ne, self.capacity)
self.south_west = QuadTree(sw, self.capacity)
self.south_east = QuadTree(se, self.capacity)
def add_collider(self,
tag='',
size=Vector2(0, 0),
offset=Vector2(0, 0),
is_trigger=False,
is_static=False) -> None:
''' adds a Collider to the GameObject
:param tag (str): the tag of this Collider
:param size (Vector2): the size of this Collider
:param offset (Vector2): the local offset of the Collider
:param is_trigger (bool): is this collider configured as a trigger?
:param is_static (bool): is this collider flagged as static?
:returns: NoReturn
:rtype: None
'''
self.collider = Collider(self, tag, size, offset, is_trigger,
is_static)
def __init__(self, owner):
super().__init__(owner=owner,
bullet_offset=Vector2(47, 15),
damage=100,
spread=3,
bullets=1000000,
magazine_size=50,
fire_rate=80)
self.name = 'FN SCAR'
self.bullet_speed = 810
self.bullet_max_distance = 1420
def __init__(self, owner):
super().__init__(owner=owner,
bullet_offset=Vector2(47, 15),
damage=25,
spread=12,
bullets=1000000,
magazine_size=6,
fire_rate=400)
self.name = 'PUMP SHOTGUN'
self.bullet_speed = 730
self.bullet_max_distance = 700
def screen_to_world_point(self, point) -> Vector2:
''' transforms a point from screen space into world space
:param point (Vector2): the Vector2 to convert to a world point
:returns: a new point that is converted to world space
:rtype: Vector2
'''
return Vector2(
(point.x + self.transform.position.x) / self.transform.scale.x,
(point.y + self.transform.position.y) / self.transform.scale.y)
def __init__(self, owner):
super().__init__(owner=owner,
bullet_offset=Vector2(47, 15),
damage=1000,
spread=0,
bullets=1000000,
magazine_size=1000000,
fire_rate=350)
self.name = 'DEATH BULLET'
self.bullet_speed = 800
self.bullet_max_distance = 2000
def __init__(self, owner):
super().__init__(owner=owner,
bullet_offset=Vector2(47, 15),
damage=30,
spread=13,
bullets=1000000,
magazine_size=1,
fire_rate=450)
self.name = 'SHOTGUN'
self.bullet_speed = 710
self.bullet_max_distance = 769
def world_to_screen_point(self, point) -> Vector2:
''' transforms a point from world space into screen space
:param point (Vector2): the Vector2 to convert to a screen point
:returns: a new point that is converted to screen space
:rtype: Vector2
'''
return Vector2(
(point.x * self.transform.scale.x - self.transform.position.x),
(point.y * self.transform.scale.y - self.transform.position.y))
def __init__(self,
position=Vector2(0, 0),
rotation=0,
scale=Vector2(1, 1),
origin=Vector2(0, 0)):
'''
:param position (Vector2): the position of this GameObject
:param rotation (int): the rotation of this GameObject
:param scale (Vector2): the scale of this GameObject
:param origin (Vector2): the origin of this GameObject, (0, 0) is the top left and (1, 1) is the bottom right
'''
# the Transform of this GameObject
self.transform = Transform(self, position, rotation, scale, origin)
# the SpriteRenderer of this GameObject
self.sprite_renderer = None
# the Collider of this GameObject
self.collider = None
# the Animator of this GameObject
self.animator = None
self._flagged_as_destroy = False
def render(self) -> None:
''' renders all GameObjects
:returns: NoReturn
:rtype: None
'''
objects = self._object_handler.get_objects()
for obj in objects:
obj_transform = obj.transform
obj_renderer = obj.sprite_renderer
obj.on_render(self.surface)
if obj_renderer is None or obj_renderer.sprite is None:
continue
# get the size of the image before rotation and scaling
orig_size = obj_renderer.sprite.get_rect().size
# calculate the new size of imge
new_size = (int(orig_size[0] * obj_transform.scale.x *
self.transform.scale.x),
int(orig_size[1] * obj_transform.scale.y *
self.transform.scale.y))
# scale the image
sprite = pygame.transform.scale(obj_renderer.sprite, new_size)
# rotate the image
sprite = pygame.transform.rotate(sprite, obj_transform.rotation)
# get the size of the image after rotation and scaling
size = sprite.get_rect().size
# calculate the position of the image
position = Vector2(
obj_transform.position.x * self.transform.scale.x,
obj_transform.position.y * self.transform.scale.y)
# offset of the image
offset = (size[0] * obj_transform.origin.x,
size[1] * obj_transform.origin.y)
# position of the image with the offset and
new_position = (position.x - offset[0] - self.transform.position.x,
position.y - offset[1] - self.transform.position.y)
if obj_renderer.color is not None:
sprite.fill(obj_renderer.color, None, pygame.BLEND_RGBA_MULT)
# draw the image
self.surface.blit(sprite, new_position, obj_renderer.source_rect)
def spawn_enemy(self, enemy):
'''
'''
self.current_wave_index += 1
enemy_type = None
position = Vector2(enemy[2], enemy[3])
if enemy[1] == 'normal_zombie':
enemy_type = Zombie(self.player, position)
elif enemy[1] == 'big_zombie':
enemy_type = BigZombie(self.player, position)
Screen.get_current_screen().instantiate(enemy_type)
self.spawned_enemies.append(enemy_type)
def on_render(self, surface):
super().on_render(surface)
# display weapon name
weapon = self.current_gun
bullets = weapon.bullets % weapon.magazine_size + 1 if not weapon.reloading else 0
magazines = weapon.bullets // weapon.magazine_size * weapon.magazine_size if not weapon.reloading else weapon.bullets // weapon.magazine_size * weapon.magazine_size + weapon.magazine_size
text = f'{self.current_gun.name} | {bullets}/{magazines}'
position = Screen.get_current_screen().camera.world_to_screen_point(
self.transform.position -
Vector2(len(text) * 0.25 * 11, 55)).to_tuple()
utils.draw_font(surface,
text, (255, 255, 255),
position,
size=11,
bold=True)
def __init__(self,
position=Vector2(0, 0),
scale=Vector2(1, 1),
hitbox=Vector2(50, 50)):
'''
'''
super().__init__(position=position,
rotation=0,
scale=scale,
origin=Vector2(0.5, 0.5))
if hitbox != Vector2(0, 0):
self.add_collider('item', hitbox, Vector2(0, 0), False, True)
self.collider.on_collider_enter = self.on_pick_up
def zoom(self, amount, to=Vector2(0, 0)) -> None:
''' zoom the camera towards a specified point
:param amount (float): the amount to zoom
:param to (Vector2): the point to zoom towards (screen coordinates)
:returns: NoReturn
:rtype: None
'''
new_scale = self.transform.scale * amount
width = self.transform.position.x + to.x
height = self.transform.position.y + to.y
self.transform.position.x -= width * (
1 - new_scale.x / self.transform.scale.x)
self.transform.position.y -= height * (
1 - new_scale.y / self.transform.scale.y)
self.transform.scale = new_scale
def __init__(self, owner):
super().__init__(owner=owner, bullet_offset=Vector2(47, 15), damage=20, spread=5, bullets=1000000, magazine_size=50, fire_rate=100)
self.name = 'UZI'
self.bullet_speed = 720
def __init__(self, owner):
super().__init__(owner=owner, bullet_offset=Vector2(47, 15), damage=100, spread=1, bullets=1000000, magazine_size=30, fire_rate=130)
self.name = 'AK47'
self.bullet_speed = 800
self.bullet_max_distance = 1069