import pgzrun
import random

WIDTH = 800
HEIGHT = 600

apple = Actor("apple")
apple_x = WIDTH / 2
apple_y = HEIGHT / 2
apple.pos = (WIDTH / 2 , HEIGHT / 2)

sword = Actor("sword")

dinosuars = []
corpses = []

spawn_interval = 2.0
min_spawn_interval = 0.2
spawn_timer = 0
game_time = 0

    
def spawn_dinosaurs():
    dino = Actor("dino")

    side = random.randint(0,3)
    if side == 0: #up
        dino.x = random.randint(2,WIDTH)
        dino.y = -50
    elif side == 1: #down
        dino.x = random.randint(0,WIDTH)
        dino.y = HEIGHT + 50
    elif side == 2: #left
        dino.x = -50
        dino.y = random.randint(0,HEIGHT)
    else:
        dino.x = WIDTH + 50
        dino.y = random.randint(0,HEIGHT)
    dinosuars.append(dino)

def update(dt):
    global spawn_timer , spawn_interval , game_time
    game_time += dt
    spawn_timer += dt
    
    spawn_interval = max(min_spawn_interval , spawn_interval - 0.005 * dt)

    if spawn_timer >= spawn_interval:
        spawn_dinosaurs()
        spawn_timer = 0
        
    sword.pos = mouse.pos
    
    for dino in dinosuars[:]:
        dx = apple_x - dino.x
        dy = apple_y - dino.y
        speed = 80
        dino.x += dx * speed * dt
        dino.y += dy * speed * dt
        
        if dino.colliderect(sword):
            dino.image = "dead"
            corpses.append({"Actor":dino,"die_time": game_time})
            sounds.hit.play()
            dinosuars.remove(dino)
    
    for corpse in corpses[:]:
        if game_time - corpse["die_time"] >= 2:
            corpses.remove(corpse)
            
def draw():
    screen.fill((100,200,100))
    apple.draw()
    sword.draw()
    for dino in dinosuars:
        dino.draw()
    for corpse in corpses:
        corpse["Actor"].draw()

pgzrun.go()