Python我的世界

      《Minecraft》（中文译名《我的世界》）简称MC，MC是一款沙盒建造游戏，玩家可以在一个三维世界里用各种方块建造或者破坏方块。

       如何在Python里做一个我的世界？要用到Python里的3D游戏引擎Ursina.

from ursina import *                       #导入ursina模块
from ursina.prefabs.first_person_controller import FirstPersonController
from perlin_noise import PerlinNoise       #随机地形算法柏林噪声模块

app=Ursina()

#加载图片文件
grass_texture=load_texture('assets/grass_block.png')
stone_texture=load_texture('assets/stone_block.png')
brick_texture=load_texture('assets/brick_block.png')
dirt_texture=load_texture('assets/dirt_block.png')
sky_texture=load_texture('assets/skybox.png')
arm_texture=load_texture('assets/arm_texture.png')
punch_sound=Audio('assets/punch_sound',loop=False,autoplay=False)

block_pick=1

#关闭FPS显示和关闭按键显示
window.fps_counter.enabled=False
window.exit_button.visible=False

scene.fog_color=color.white
scene.fog_density=0.04

def input(key):
    if key =='q' or key=='escape':
        quit()

#定义玩家
player=FirstPersonController()

#更新
def update():
    global block_pick

    #检测并切换手持方块
    if held_keys['1']:block_pick=1
    if held_keys['2']:block_pick=2
    if held_keys['3']:block_pick=3
    if held_keys['4']:block_pick=4
    
    #检测手部按键和运动
    if held_keys['left mouse'] or held_keys['right mouse']:
        hand.active()
    else:
        hand.passive()

    #如果玩家掉进虚空就传送上来
    if player.position[1] < (-5):
        player.position = Vec3(0, 0.25, 0)
        

#定义方块
class Block(Button):
    def __init__(self,position=(0,0,0),texture=grass_texture):
        super().__init__(
            parent=scene,
            position=position,
            model='assets/block',
            origin_y=0.5,
            texture=texture,
            color=color.color(0,0,random.uniform(0.9,1)),
            #highlight_color=color.green,
            scale=0.5
        )

    def input(self,key):
        if self.hovered:
            if key=='right mouse down':
                punch_sound.play()
                if 
block_pick==1:block=Block(position=self.position+mouse.normal,texture=grass_texture)
                if block_pick==2:block=Block(position=self.position+mouse.normal,texture=stone_texture)
                if block_pick==3:block=Block(position=self.position+mouse.normal,texture=brick_texture)
                if block_pick==4:block=Block(position=self.position+mouse.normal,texture=dirt_texture)

            if key=='left mouse down':
                punch_sound.play()
                destroy(self)

#定义天空
class Sky(Entity):
    def __init__(self):
        super().__init__(
            parent=scene,
            model='sphere',
            texture=sky_texture,
            scale=150,
            double_sided=True
        )

#定义手
class Hand(Entity):
    def __init__(self):
        super().__init__(
            parent=camera.ui,
            model='assets/arm',
            texture=arm_texture,
            scale=0.2,
            rotation=Vec3(150,-10,0),
            position=Vec2(0.4,-0.6)
        )

    def active(self):
        self.position=Vec2(0.3,-0.5)
        
    def passive(self):
        self.position=Vec2(0.4,-0.6)

noise=PerlinNoise(octaves=3,seed=2023)
scale=24

for z in range(50):
    for x in range(50):
        block=Block(position=(x,0,z))
        block.y=floor(noise([x/scale,z/scale])*8)    #用柏林噪声算法调整方块的x坐标

sky=Sky()
hand=Hand()

app.run()

图片文件链接：百度网盘