class Fireball(sf.Drawable, Collideable):
def __init__(self, x, y, world):
Collideable.__init__(self, x, y, 100, 100, False)
self._sprite = SpriteSheet(Res.fireball)
self._sprite.init(10, 10, 0.1)
self._sprite.position = sf.Vector2(x, y)
self.world = world
self.dead = False
def draw(self, target, render_states):
target.draw(self._sprite, render_states)
def update(self, dt):
self._sprite.update(dt)
self.position.y += FIREBALL_MOVE_SPEED*dt
# Update player sprite position
self._sprite.position = self.position
def on_collision_begin(self, other, side):
if self.dead:
return False
self.world.create_explosion(self.position.x, self.position.y)
self.dead = True
if hasattr(other, "health"):
other.health -= 1
return False
def on_collision_end(self, other):
pass
class UFO(sf.Drawable, Collideable):
def __init__(self, x, y, world):
Collideable.__init__(self, x, y, 128, 64, True)
self._sprite = SpriteSheet(Res.ufo)
self._sprite.init(7, 7, 0.1)
self._sprite.set_frame_loop(0, 5)
self._sprite.position = sf.Vector2(x, y)
self.world = world
self.time = 3
self.timer = 0
self.shoot_time = 1
self.shoot_timer = 0
self.direction = 1
def draw(self, target, render_states):
target.draw(self._sprite, render_states)
def update(self, dt):
self._sprite.update(dt)
self.timer += dt
if self.timer >= self.time:
# Switch directions
self.direction *= -1
# Reset the timer
self.timer=0
self.shoot_timer += dt
if self.shoot_timer >= self.shoot_time:
# Reset the timer
self.shoot_timer=0
self.world.create_fireball(self.position.x, self.position.y+70)
self.position = self.position + sf.Vector2(75*dt, 0)*self.direction
# Update player sprite position
self._sprite.position = self.position
def on_collision_begin(self, other, side):
return False
def on_collision_end(self, other):
pass
class Player(sf.Drawable, Collideable, KeyHandler):
def __init__(self, x, y):
Collideable.__init__(self, x, y, 24, 44)
self._sprite = SpriteSheet(Res.blue_peewee)
self._sprite.init(36, 6, 0.1)
self._sprite.set_frame_loop(0, 5)
self._sprite.position = sf.Vector2(x, y)
self.current_checkpoint = sf.Vector2(x, y)
self.health = 5
# Controls
self._move_left = False
self._move_right = False
self._on_ground = False
# Direction -- for animating stuff
self._direction = DIR_RIGHT
self._vertical_velocity = 0
def draw(self, target, render_states):
target.draw(self._sprite, render_states)
def update(self, dt):
self._sprite.update(dt)
### TUTORIAL 1:
# Uncomment the following 4 lines
if self._move_left:
self.position.x -= PLAYER_MOVE_SPEED*dt
elif self._move_right:
self.position.x += PLAYER_MOVE_SPEED*dt
# Apply Vertical velocity
self.position.y += self._vertical_velocity*dt
if not self._on_ground:
# Apply gravity
self._vertical_velocity += 1000*dt
# Animations when player is off ground
if self._vertical_velocity <= 0: # Going up
if self._direction == DIR_LEFT:
self._sprite.set_frame_loop(33, 33)
elif self._direction == DIR_RIGHT:
self._sprite.set_frame_loop(30, 30)
elif self._vertical_velocity > 0: # Going down
if self._direction == DIR_LEFT:
self._sprite.set_frame_loop(33, 35, False)
elif self._direction == DIR_RIGHT:
self._sprite.set_frame_loop(30, 32, False)
else: # On ground
if self._move_left:
self._sprite.set_frame_loop(12, 17)
elif self._move_right:
self._sprite.set_frame_loop(18, 23)
else: # Not moving
if self._direction == DIR_LEFT:
self._sprite.set_frame_loop(1, 1)
elif self._direction == DIR_RIGHT:
self._sprite.set_frame_loop(6, 6)
# Update player sprite position
self._sprite.position = self.position-sf.Vector2(23, 10)
def on_key_pressed(self, key_code):
if key_code == sf.Keyboard.A and not self._move_right:
self._move_left = True
self._direction = DIR_LEFT
elif key_code == sf.Keyboard.D and not self._move_left:
self._move_right = True
self._direction = DIR_RIGHT
elif key_code == sf.Keyboard.SPACE and self._on_ground:
self._vertical_velocity = -PLAYER_JUMP_VELOCITY
def on_key_released(self, key_code):
if key_code == sf.Keyboard.A:
self._move_left = False
elif key_code == sf.Keyboard.D:
self._move_right = False
def on_collision_begin(self, other, side):
if other.stationary:
if side == physics.side_down or side == physics.side_up:
self._vertical_velocity = 0
if side == physics.side_down:
self._on_ground = True
return True
def on_collision_end(self, other):
self._on_ground = False