home_work

import math
import turtle

window = turtle.Screen()
window.setup(1200 + 3, 800 + 3)
window.bgpic("images/background.gif")
window.screensize(1200, 800)

BASE_X, BASE_Y = 0, -400
ROCKET_BASE_X, ROCKET_BASE_Y = 0, 400         # база положение противника


# функция для правой кнопки мыши (противник)
def fire_rocket(x, y):
    rocket = turtle.Turtle(visible=False)
    rocket.speed(0)
    rocket.color('red')
    rocket.penup()
    rocket.setpos(x=ROCKET_BASE_X, y=ROCKET_BASE_Y)
    rocket.pendown()
    heading = calc_heading(x1=ROCKET_BASE_X, y1=ROCKET_BASE_Y, x2=x, y2=y)
    rocket.setheading(heading)
    rocket.showturtle()
    info_rocket = {'missile': rocket, 'target': [x, y], 'state': 'launched', 'radius': 0}
    our_missiles.append(info_rocket)
    return


def calc_heading(x1, y1, x2, y2):
    dx = x2 - x1
    dy = y2 - y1
    length = (dx ** 2 + dy ** 2) ** 0.5
    cos_alpha = dx / length
    alpha = math.acos(cos_alpha)
    alpha = math.degrees(alpha)
    if dy < 0:
        alpha = -alpha
    return alpha

# функция для левой кнопки мыши
def fire_missile(x, y):
    missile = turtle.Turtle(visible=False)
    missile.speed(0)
    missile.penup()
    missile.setpos(x=BASE_X, y=BASE_Y)
    missile.color('white')
    heading = calc_heading(x1=BASE_X, y1=BASE_Y, x2=x, y2=y)
    missile.pendown()
    missile.setheading(heading)
    missile.showturtle()
    info_missile = {'missile': missile, 'target': [x, y], 'state': 'launched', 'radius': 0}
    our_missiles.append(info_missile)


window.onclick(fire_missile, 1)  # левый клик
window.onclick(fire_rocket, 2)  # правый клик

our_missiles = []

while True:
    window.update()

    for info in our_missiles:
        state = info['state']
        missile = info['missile']
        if state == 'launched':
            missile.forward(4)
            target = info['target']
            if missile.distance(x=target[0], y=target[1]) < 20:
                info['state'] = 'explode'
                missile.shape('circle')
        elif state == 'explode':
            info['radius'] += 1
            if info['radius'] > 5:
                missile.clear()
                missile.hideturtle()
                info['state'] = 'dead'
            else:
                missile.shapesize(info['radius'])

    dead_missiles = [info for info in our_missiles if info['state'] == 'dead']
    for dead in dead_missiles:
        our_missiles.remove(dead)