-wasd 移动，空格键跳跃 R 重置- -V1 制作引擎- -V1.1 修复尖峰并添加阴影- -V1.2 添加天空并增加重生- -wasd to move, space to jump R to reset- -V1 made small engine- -V1.1 fixed spike added shadow- -V1.2 added sky added respawn-
