feature update! happy new year!

[esengine]

This is what we will implement in the next 2019 and some bugs that have not been fixed.

support

• [ ] add ios platform support
• [ ] add android platform support
• [ ] add xbox platform support
• [ ] remove system.drawing in desktopgl platform
• [ ] use sdl-ttf in desktopgl instead of system.drawing font.

known bug

• [ ] caretPosition is wrong. it cant be move.

[xiaoguzhu]

add oil!

[songsharp]

希望能支持MacOS 测试了，在MonoGame.MacOS，简单的按钮这些能运行。 如果移除 System.Drawing，不知道能否兼容。 非常好的框架，先在unity中使用吧。