Covid Fighter Part-2

from ursina import *
import random

app = Ursina()
shoot = False
v = 0

def update():
    global doctor, shoot, vaccine_list, v

    if held_keys['right arrow']:
        doctor.x += 0.007
    if held_keys['left arrow']:
        doctor.x -= 0.007

    if shoot:
        vaccine_list[v].y += 0.015

        if vaccine_list[v].y > 0.2:
            destroy(vaccine_list[v])
            shoot = False

    for i in virus_list:
        i.y -= 0.001

def input(key):
    global shoot, vaccine_list, v
    st = -0.8
    if key == "space":
        shoot = True
        v += 1
        vaccine_list.append(duplicate(vaccine, x=doctor.x, y=st))


Entity(model="quad", scale=70, texture="back.jpg")

back_size = 22
back = Entity(model='quad', color=color.rgba(255,255,255,0), scale=(12,18),
              position=(back_size//2, back_size//2, -0.01))


doctor = Entity(model="cube", parent=back, texture='doctor.png', scale=0.2,
                position=(0,-0.75,0))


vaccine = Entity(model="quad", parent=back, texture='vaccine.png', scale=0.1,
                 position=(2,2))
vaccine_list = [duplicate(vaccine, y=2,x=2)]


virus = Entity(model="quad", parent=back, texture='virus.png', scale=0.15,
               position=(2,2))
virus_list = []

for i in range(5):
    virus_list.append(duplicate(virus, x=random.randint(-45,45)/100, y=random.randint(-3,-1)/100))

camera.position = (back_size//2, -15, -11)
camera.rotation_x = -60
app.run()