def ball_update(self):
for a in range(0, len(self.all_balls) - 1):
for b in range(a + 1, len(self.all_balls)):
ball, next_ball = self.all_balls[a], self.all_balls[b]
delta = next_ball.coords - ball.coords
if (next_ball.coords - ball.coords).length <= ball.RADIUS * 2:
if ball.velocity.length > 0 and \
next_ball.velocity.length > 0:
ball.coords += Vec2D.normalized(delta) *\
(delta.length - ball.RADIUS * 2)
next_ball.coords += Vec2D.normalized(-delta) *\
(delta.length - ball.RADIUS * 2)
self.ball_collision(ball, next_ball)
elif ball.velocity.length > 0:
if isinstance(ball, balls.WhiteBall):
self.hitted_balls.append(next_ball)
ball.coords += Vec2D.normalized(delta) *\
(delta.length - ball.RADIUS * 2)
self.ball_collision(ball, next_ball)
elif next_ball.velocity.length > 0:
if isinstance(next_ball, balls.WhiteBall):
self.hitted_balls.append(ball)
next_ball.coords += Vec2D.normalized(-delta) *\
(delta.length - ball.RADIUS * 2)
self.ball_collision(ball, next_ball)
def ball_update(self):
for a in range(0, len(self.all_balls)-1):
for b in range(a+1, len(self.all_balls)):
ball, next_ball = self.all_balls[a], self.all_balls[b]
delta = next_ball.coords - ball.coords
if (next_ball.coords - ball.coords).length <= ball.RADIUS * 2:
if ball.velocity.length > 0 and \
next_ball.velocity.length > 0:
ball.coords += Vec2D.normalized(delta) *\
(delta.length - ball.RADIUS * 2)
next_ball.coords += Vec2D.normalized(-delta) *\
(delta.length - ball.RADIUS * 2)
self.ball_collision(ball, next_ball)
elif ball.velocity.length > 0:
if isinstance(ball, balls.WhiteBall):
self.hitted_balls.append(next_ball)
ball.coords += Vec2D.normalized(delta) *\
(delta.length - ball.RADIUS * 2)
self.ball_collision(ball, next_ball)
elif next_ball.velocity.length > 0:
if isinstance(next_ball, balls.WhiteBall):
self.hitted_balls.append(ball)
next_ball.coords += Vec2D.normalized(-delta) *\
(delta.length - ball.RADIUS * 2)
self.ball_collision(ball, next_ball)
def pocket_walls_collision(self, start_point, end_point):
incoming_vec = self.coords - start_point
pocket_wall_vec = end_point - start_point
projected = Vec2D.projection(incoming_vec, pocket_wall_vec)
distance = Vec2D.get_distance(incoming_vec, projected)
if 0 <= math.fabs(projected.x) <=\
math.fabs(end_point.x - start_point.x) and\
0 <= math.fabs(projected.y) <=\
math.fabs(end_point.y - start_point.y) and\
distance < self.RADIUS:
self.coords = Vec2D.normalized(incoming_vec - projected) *\
self.RADIUS + start_point + projected
self.velocity = 2 * (self.velocity.dot(pocket_wall_vec)
/ pocket_wall_vec.dot(pocket_wall_vec)) *\
pocket_wall_vec - self.velocity
def pocket_walls_collision(self, start_point, end_point):
incoming_vec = self.coords - start_point
pocket_wall_vec = end_point - start_point
projected = Vec2D.projection(incoming_vec, pocket_wall_vec)
distance = Vec2D.get_distance(incoming_vec, projected)
if 0 <= math.fabs(projected.x) <=\
math.fabs(end_point.x - start_point.x) and\
0 <= math.fabs(projected.y) <=\
math.fabs(end_point.y - start_point.y) and\
distance < self.RADIUS:
self.coords = Vec2D.normalized(incoming_vec - projected) *\
self.RADIUS + start_point + projected
self.velocity = 2 * (self.velocity.dot(pocket_wall_vec)
/ pocket_wall_vec.dot(pocket_wall_vec)) *\
pocket_wall_vec - self.velocity
def cue_handler(self):
start_pos, end_pos = self.cue.get_cue_pos(self.white_ball.coords)
self.painter.cue_draw(self.cue, start_pos, end_pos)
keys = pygame.key.get_pressed()
if keys[pygame.K_KP_ENTER]:
new_velocity = Vec2D.normalized(start_pos - end_pos)
force = Vec2D(self.white_ball.coords - start_pos).length
self.white_ball.velocity = new_velocity * force ** 2 / MIN_HITTING_FORCE
self.hit = True
def cue_handler(self):
start_pos, end_pos = self.cue.get_cue_pos(self.white_ball.coords)
self.painter.cue_draw(self.cue, start_pos, end_pos)
keys = pygame.key.get_pressed()
if keys[pygame.K_KP_ENTER]:
new_velocity = Vec2D.normalized(start_pos - end_pos)
force = Vec2D(self.white_ball.coords - start_pos).length
self.white_ball.velocity = new_velocity *\
force ** 2 / MIN_HITTING_FORCE
self.hit = True
def move(self, pockets):
check = Vec2D(self.velocity)
self.velocity -= Vec2D.normalized(self.velocity) * FRICTION * TIMER
self.coords += self.velocity * TIMER
if check.x * self.velocity.x < 0 or check.y * self.velocity.y < 0:
self.velocity = Vec2D(0, 0)
if int(self.coords.x) not in range(139, 534) and\
int(self.coords.x) not in range(564, 960)\
and int(self.coords.y) not in range(90, 484):
"""Ако някоя от топките е в обсега на някой от джобовете
влизаме в този if и почваме да следим за сблъсък със стената на
някой от джобовете или за попадение в джоба.
"""
for pocket in pockets:
self.pocket_walls_collision(pockets[pocket][1],
pockets[pocket][2])
self.pocket_walls_collision(pockets[pocket][3],
pockets[pocket][4])
if (self.coords - pockets[pocket][0]).length <= POCKET_R:
self.vizibility = False
self.coords = Vec2D(1000, 1000) + self.pos
self.velocity = Vec2D(0, 0)
self.is_potted = True
else:
if self.coords.x < LEFT_BORDER or self.coords.x > RIGHT_BORDER:
if self.coords.x < LEFT_BORDER:
self.coords.x = LEFT_BORDER
else:
self.coords.x = RIGHT_BORDER
self.velocity.x = -self.velocity.x
elif self.coords.y < UP_BORDER or self.coords.y > DOWN_BORDER:
if self.coords.y < UP_BORDER:
self.coords.y = UP_BORDER
else:
self.coords.y = DOWN_BORDER
self.velocity.y = -self.velocity.y
def move(self, pockets):
check = Vec2D(self.velocity)
self.velocity -= Vec2D.normalized(self.velocity) * FRICTION * TIMER
self.coords += self.velocity * TIMER
if check.x * self.velocity.x < 0 or check.y * self.velocity.y < 0:
self.velocity = Vec2D(0, 0)
if int(self.coords.x) not in range(139, 534) and\
int(self.coords.x) not in range(564, 960)\
and int(self.coords.y) not in range(90, 484):
"""Ако някоя от топките е в обсега на някой от джобовете
влизаме в този if и почваме да следим за сблъсък със стената на
някой от джобовете или за попадение в джоба.
"""
for pocket in pockets:
self.pocket_walls_collision(pockets[pocket][1],
pockets[pocket][2])
self.pocket_walls_collision(pockets[pocket][3],
pockets[pocket][4])
if (self.coords - pockets[pocket][0]).length <= POCKET_R:
self.vizibility = False
self.coords = Vec2D(1000, 1000) + self.pos
self.velocity = Vec2D(0, 0)
self.is_potted = True
else:
if self.coords.x < LEFT_BORDER or self.coords.x > RIGHT_BORDER:
if self.coords.x < LEFT_BORDER:
self.coords.x = LEFT_BORDER
else:
self.coords.x = RIGHT_BORDER
self.velocity.x = -self.velocity.x
elif self.coords.y < UP_BORDER or self.coords.y > DOWN_BORDER:
if self.coords.y < UP_BORDER:
self.coords.y = UP_BORDER
else:
self.coords.y = DOWN_BORDER
self.velocity.y = -self.velocity.y