def check_collision(self, other_unit):
# check if coordinate for two units is the same
# for this check we also include width and height of unit's image
# (other_unit.x - other_unit.width / 2 < self.x < other_unit.x + other_unit.width / 2)
# (other_unit.y - other_unit.height / 2 < self.y < other_unit.y + other_unit.height / 2)
if self.__class__.__name__ == "Bullet" and other_unit.__class__.__name__ == "Bullet":
return
if (
id(self) != id(other_unit)
and getattr(self, "unit_id", "") != id(other_unit)
and getattr(other_unit, "unit_id", "") != id(self)
):
A = (self.x, self.y)
B = (self.x1, self.y1)
C = (other_unit.x, other_unit.y)
D = (other_unit.x1, other_unit.y1)
int_point = object_intersection((A, B), (C, D), round(self.width / 2), round(other_unit.width / 2))
if int_point:
if self.x != self.y:
A_B_distance = point_distance(A, B)
A_P_distance = point_distance(A, int_point)
else:
A_B_distance = point_distance(C, D)
A_P_distance = point_distance(C, int_point)
time_to_point = A_B_distance > 0 and round(STEP_INTERVAL * A_P_distance / A_B_distance, 2) or 0
if time_to_point < STEP_INTERVAL:
asyncio.Task(self.notify_collision(other_unit, time_to_point))
def check_collision(self, other_unit, interval):
# check if coordinate for two units is the same
# for this check we also include width and height of unit's image
# (other_unit.x - other_unit.width / 2 < self.x < other_unit.x + other_unit.width / 2)
# (other_unit.y - other_unit.height / 2 < self.y < other_unit.y + other_unit.height / 2)
# we don't need to check collision for Bullet with Bullet
if not self.collision_check() and not other_unit.collision_check():
return
if (
id(self) != id(other_unit)
and getattr(self, "unit_id", "") != id(other_unit)
and getattr(other_unit, "unit_id", "") != id(self)
):
A = (self.x, self.y)
B = (self.x1, self.y1)
C = (other_unit.x, other_unit.y)
D = (other_unit.x1, other_unit.y1)
int_point = object_intersection((A, B), (C, D), round(self.width / 2), round(other_unit.width / 2))
if int_point:
A_B_distance = point_distance(A, B)
A_P_distance = point_distance(A, int_point)
C_D_distance = point_distance(C, D)
C_P_distance = point_distance(C, int_point)
if (A_B_distance - A_P_distance < 0 and A_B_distance > 0) or (
C_D_distance - C_P_distance < 0 and C_D_distance > 0
):
if (
(B[0] + self.width / 2 > D[0] - other_unit.width / 2)
and (B[0] - self.width / 2 < D[0] + other_unit.width / 2)
and (B[1] + self.height / 2 > D[1] - other_unit.height / 2)
and (B[1] - self.height / 2 < D[1] + other_unit.height / 2)
):
if A_B_distance > 0:
A_P_distance = A_B_distance
else:
C_P_distance = C_D_distance
else:
return
if A_B_distance - A_P_distance >= 0 and A_B_distance > 0:
distance_to_unit = A_B_distance
distance_to_collision = A_P_distance
else:
distance_to_unit = C_D_distance
distance_to_collision = C_P_distance
time_to_point = (
distance_to_unit > 0 and round(interval * distance_to_collision / distance_to_unit, 2) or 0
)
if time_to_point <= interval:
self.controller.collisions[self.id].append(other_unit.id)
self.controller.collisions[other_unit.id].append(self.id)
asyncio.Task(self.notify_collision(other_unit, time_to_point))
def check_collision(self, other_unit, interval):
# check if coordinate for two units is the same
# for this check we also include width and height of unit's image
# (other_unit.x - other_unit.width / 2 < self.x < other_unit.x + other_unit.width / 2)
# (other_unit.y - other_unit.height / 2 < self.y < other_unit.y + other_unit.height / 2)
# we don't need to check collision for Bullet with Bullet
if not self.collision_check() and not other_unit.collision_check():
return
if id(self) != id(other_unit) and getattr(self, 'unit_id', '') != id(other_unit) and \
getattr(other_unit, 'unit_id', '') != id(self):
A = (self.x, self.y)
B = (self.x1, self.y1)
C = (other_unit.x, other_unit.y)
D = (other_unit.x1, other_unit.y1)
int_point = object_intersection((A, B), (C, D), round(self.width / 2), round(other_unit.width / 2))
if int_point:
A_B_distance = point_distance(A, B)
A_P_distance = point_distance(A, int_point)
C_D_distance = point_distance(C, D)
C_P_distance = point_distance(C, int_point)
if (A_B_distance - A_P_distance < 0 and A_B_distance > 0) or (C_D_distance - C_P_distance < 0 and C_D_distance > 0):
if ((B[0] + self.width / 2 > D[0] - other_unit.width / 2) and
(B[0] - self.width / 2 < D[0] + other_unit.width / 2) and
(B[1] + self.height / 2 > D[1] - other_unit.height / 2) and
(B[1] - self.height / 2 < D[1] + other_unit.height / 2)):
if A_B_distance > 0:
A_P_distance = A_B_distance
else:
C_P_distance = C_D_distance
else:
return
if A_B_distance - A_P_distance >= 0 and A_B_distance > 0:
distance_to_unit = A_B_distance
distance_to_collision = A_P_distance
else:
distance_to_unit = C_D_distance
distance_to_collision = C_P_distance
time_to_point = distance_to_unit > 0 and round(interval * distance_to_collision / distance_to_unit, 2) or 0
if time_to_point <= interval:
self.controller.collisions[self.id].append(other_unit.id)
self.controller.collisions[other_unit.id].append(self.id)
asyncio.Task(self.notify_collision(other_unit, time_to_point))