# ursina

# 相機模式，射擊功能

#敵人和血條

#一堆敵人

from ursina import *

from ursina.prefabs.first_person_controller import FirstPersonController

from ursina.shaders import lit_with_shadows_shader

app = Ursina()

Entity.default_shader = lit_with_shadows_shader

DirectionalLight(y=2,rotation=(45,45,0))

Sky()

ground = Entity(model='plane',collider='box',scale=64,texture='grass')

for i in range(16):

? ? Entity(model='cube',scale=2,texture='brick',

? ? ? ? ? ?texture_scale=(1,2),

? ? ? ? ? ?x=random.uniform(-8,8),

? ? ? ? ? ?z=random.uniform(-8,8)+8,

? ? ? ? ? ?collider='box',

? ? ? ? ? ?scale_y=random.uniform(2,3),

? ? ? ? ? ?origin_y=-0.5)

editor_camera = EditorCamera(enabled = False)

def input_pause(key):

? ? if key == 'tab':

? ? ? ? editor_camera.enabled = not editor_camera.enabled

? ? ? ? mouse.locked = not editor_camera.enabled

? ? ? ? player.cursor.enabled = not editor_camera.enabled

? ? ? ? player.visible_self = editor_camera.enabled

? ? ? ? editor_camera.position = player.position

pause_handler = Entity(input=input_pause)

player = FirstPersonController(model='cube',color=color.orange,z=-10,origin_y=-0.5,speed=8,collider='box')

gun = Entity(model='cube', parent=camera, scale=(0.3,0.2,1), position=(0.5,-0.25,0.5), color=color.red, on_cooldown=False)

gun.flash = Entity(parent = gun,model='quad',z=1,color = color.yellow,enabled=False)

def shoot():

? ? if not gun.on_cooldown:

? ? ? ? #print("shooting")

? ? ? ? gun.on_cooldown = True

? ? ? ? gun.flash.enabled = True

? ? ? ? from ursina.prefabs.ursfx import ursfx

? ? ? ? ursfx([(0.0, 0.0), (0.1, 0.9), (0.15, 0.75), (0.3, 0.14), (0.6, 0.0)], volume=0.5, wave='noise', ? ? ? ? ? ? ? pitch=random.uniform(-13,-12), pitch_change=-12, speed=3.0)

? ? ? ? invoke(gun.flash.disable,delay = 0.15)

? ? ? ? invoke(setattr,gun,'on_cooldown',False,delay = 0.15)

? ? ? ? if mouse.hovered_entity and hasattr(mouse.hovered_entity,'hp'):

? ? ? ? ? ? mouse.hovered_entity.blink(color.red)

? ? ? ? ? ? mouse.hovered_entity.hp -= 10

? ? ? ? ? ? if mouse.hovered_entity.hp <= 0:

? ? ? ? ? ? ? ? destroy(mouse.hovered_entity)

? ? ? ? ? ? mouse.hovered_entity.health_bar.scale_x = mouse.hovered_entity.hp / mouse.hovered_entity.max_hp * 1.5

def update():

? ? if held_keys['left mouse']:

? ? ? ? shoot()

class Enemy(Entity):

? ? def __init__(self, add_to_scene_entities=True, **kwargs):

? ? ? ? super().__init__(add_to_scene_entities,

? ? ? ? ? ? ? ? ? ? ? ? ?model='cube',collider='box',

? ? ? ? ? ? ? ? ? ? ? ? ?scale_y=2,origin_y=-0.5,

? ? ? ? ? ? ? ? ? ? ? ? ?color=color.light_gray,**kwargs)

? ? ? ? self.health_bar = Entity(parent=self,model='cube',color=color.red,y=1,

? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?scale=(1.5,0.1,0.1))

? ? ? ? self.max_hp = 100

? ? ? ? self.hp = self.max_hp

? ? def update(self):

? ? ? ? self.look_at_2d(player.position,'y')

? ? ? ?

? ? ? ? hit_info = raycast(self.position+Vec3(0,1,0),self.forward,30,ignore=(self,),debug=True)

? ? ? ? if hit_info.entity == player:

? ? ? ? ? ? if distance_xz(self.position,player.position)>2:

? ? ? ? ? ? ? ? ? ? self.position = self.position + self.forward*time.dt*5

for i in range(4):

? ? Enemy(x=i*4)

app.run()