2d 和 3d 混合测试
1.3d 场景,2d 角色 2.2d 场景,3d 角色
3dEnv3dCha - 3d场景 3d角色
2d5Env3dCha -
isometric camera - rotate(30, 45, 0) https://answers.unity.com/questions/12027/how-to-do-a-camera-that-is-top-downisometric.html
https://en.wikipedia.org/wiki/3D_projection
http://www.ceeger.com/forum/read.php?tid=1381&fid=27&page=1 https://forum.unity.com/threads/omg-pirates.34994/
https://www.youtube.com/watch?v=mCg_6ca9iBY#t=733
TODO: [+]实现 https://connect.unity.com/p/articles-what-i-learned-from-trying-to-make-an-isometric-game-in-unity [+]单层视角