Python ... Tkinter collisions

Question

Salut J'ai essayé de comprendre une détection de collision. Jusqu'à présent, j'ai réussi à le coder d'une manière que la collision est détectée lorsque le projectile touche un coin inférieur gauche de l'ennemi. Je veux que la collision soit détectée lorsque le bas du rectangle est touché.

La détection de collision est traitée dans le move_shot()

Voici le code entier

from tkinter import * 
# creates window 
window = Tk() 
size = window.winfo_screenheight() 
window.title("This is a window") 
# set up geometry using string formatting operator % 
window.geometry("%dx%d+%d+%d" % (1000, 1000, 10, 10)) 
window.update() 
# creates canvas 
global canvas 
canvas = Canvas(window, bg='green') 
# pack is a layout manager 
canvas.pack(fill=BOTH, expand=1) 
canvas.update() 
canvas.create_rectangle(0, 1000, 1000, 0, fill="orange", width=10, outline="white", tag="border") 

def shooting(): 
    global loaded_gun 

    c = canvas.coords("player") 
    canvas.create_line(c[0],c[1] + 20,c[2],c[3],width=5,fill="yellow",tag="shot") 
    loaded_gun = 0 
    move_shot("shot") # furas 


def move_shot(name): 

    canvas.move(name,0,-10) 
    canvas.update() 
    window.after(50, move_shot, "shot") # furas 

    global loaded_gun 

    ran = len(enemies) 

    if loaded_gun == 0: 
     for x in range(0,ran): 

      shot = canvas.coords(name) 
      en = canvas.coords(enemies[x]) 




      if shot[0] == en[0] and shot[0] <= en[0] + 70: 
       if shot[1] <= en[1] + 70: 
        #print(canvas.coords(enemies[x])) 
        canvas.delete(enemies[x]) 
        #print(canvas.coords(name)) 
        enemies.remove(enemies[x]) 
        canvas.delete(name) 
        loaded_gun = 1 
        break 





def on_key_press(event): 

    global canvas,loaded_gun 


    c = canvas.coords("player") 

    if event.keysym == 'Left' and c[0] > 0: 
     canvas.move("player", -20,0) 
    elif event.keysym == 'Right' and c[2] < 1000: 
     canvas.move("player", 20, 0) 
    elif event.keysym == 'space': 
     if loaded_gun == 1: 
      shooting() 
    elif event.keysym == 'Shift_L': 
     loaded_gun = 1 
     canvas.delete("shot") 

def draw_enemy(): 
    c = [100,100,170,170] 
    inc = 100 

    global enemies 

    enemies = [] 

    for x in range(0,8): 
     for y in range(0,4): 
      enemy = canvas.create_rectangle(c[0] + inc * x,c[1] + inc * y,c[2] + inc * x,c[3] + inc * y,fill="red",tag="enemy") 
      enemies.append(enemy) 

def move_enemy(): 
    canvas.move("enemy",0,20) 
    window.after(1000, move_enemy) # furas 


canvas.create_line(500, 950,500,1000, width=15, fill="red",tag="player") 

loaded_gun = 1 

draw_enemy() 

window.bind_all('<Key>', on_key_press) # furas 

move_shot("shot") # furas 
move_enemy() # furas 

window.mainloop() 

Answer 1

Semble que la détection fonctionne correctement. Presque rien à faire.

Je supprime uniquement la photo lorsqu'elle quitte l'écran. Je vérifie loaded_gun == 0: avant que j'exécute after() encore. si vous continuez à courir after loop prochain coup aura deux after loop et il fonctionnera 2 fois plus vite. Thootd tir sera exécuté 3 fois plus vite. J'ajoute # furas dans les endroits où j'ai changé.

from Tkinter import * 

# creates window 
window = Tk() 
size = window.winfo_screenheight() 
window.title("This is a window") 

# set up geometry using string formatting operator % 
window.geometry("%dx%d+%d+%d" % (1000, 1000, 10, 10)) 
window.update() 

# creates canvas 
canvas = Canvas(window, bg='green') 

# pack is a layout manager 
canvas.pack(fill=BOTH, expand=1) 
canvas.update() 
canvas.create_rectangle(0, 1000, 1000, 0, fill="orange", width=10, outline="white", tag="border") 

def shooting(): 
    global loaded_gun 

    c = canvas.coords("player") 
    canvas.create_line(c[0],c[1] + 20,c[2],c[3],width=5,fill="yellow",tag="shot") 
    loaded_gun = 0 

    move_shot("shot") 


def move_shot(name): 
    global loaded_gun 

    canvas.move(name,0,-10) 
    canvas.update() 

    if loaded_gun == 0: 
     shot = canvas.coords(name) # furas 

     for x in enemies: # furas 

      en = canvas.coords(x) # furas 

      if en[0] <= shot[0] <= en[0] + 70: # furas 
       if shot[1] <= en[1] + 70: # furas 
        #print(canvas.coords(enemies[x])) 
        canvas.delete(x) # furas 
        #print(canvas.coords(name)) 
        enemies.remove(x) # furas 
        canvas.delete(name) 
        loaded_gun = 1 
        break 

     if shot[1] < 0: # furas 
      canvas.delete(name) # furas 
      loaded_gun = 1 # furas 

    if loaded_gun == 0: # furas 
     window.after(50, move_shot, "shot") 


def on_key_press(event): 
    global canvas,loaded_gun 

    c = canvas.coords("player") 

    if event.keysym == 'Left' and c[0] > 0: 
     canvas.move("player", -20,0) 
    elif event.keysym == 'Right' and c[2] < 1000: 
     canvas.move("player", 20, 0) 
    elif event.keysym == 'space': 
     if loaded_gun == 1: 
      shooting() 
    elif event.keysym == 'Shift_L': 
     loaded_gun = 1 
     canvas.delete("shot") 

def draw_enemy(): 
    global enemies 

    c = [100,100,170,170] 
    inc = 100 

    enemies = [] 

    for x in range(8): 
     for y in range(4): 
      enemy = canvas.create_rectangle(c[0] + inc * x, c[1] + inc * y,c[2] + inc * x,c[3] + inc * y,fill="red",tag="enemy") 
      enemies.append(enemy) 

def move_enemy(): 
    canvas.move("enemy", 0, 20) 
    window.after(1000, move_enemy) # furas 

#---------------------------------------------------------------------- 

canvas.create_line(500, 950,500,1000, width=15, fill="red",tag="player") 

loaded_gun = 1 

draw_enemy() 

window.bind_all('<Key>', on_key_press) # furas 

move_shot("shot") # furas 
move_enemy() # furas 

window.mainloop() 

Answer 2

Eh bien tant pis

Je l'ai pensé à elle que je devais juste faire

if shot[0] >= en[0] and shot[0] <= en[0] + 70: