Oleg Kurochkin

Thanks for help. I met another problem then trying add some logic to remove the graphics components. If I dont add 'WebGL' component at the `init()` sprite doesn`t show later,...

@Sythe2o0 Thanks for information, i dont see this in api docs (Crafty.DrawManager not exist in [beta](http://craftyjs.com/beta/api/) docs). If add WebGL component at `init()` I met this problem `Uncaught (in promise)...

@Sythe2o0 Big thanks for this advises and sorry for time lag. If I call something like this: ``` js let testBlock = Crafty.e('GroundBlock') testBlock.program.unregisterEntity(testBlock); ``` I got this error: `[GroupMarkerNotSet(crbug.com/242999)!:D86D59E46D000000]GL...

I using latest `0.7.1-rc2 release candidate` The results of my experiments: https://jsfiddle.net/CubixSystem/3vrnj8pp/14/ last element still render. I found that `this.program` not added by component `WebGL`: https://jsfiddle.net/CubixSystem/9mq2rydj/1/ (if you add `Color`...

See this https://jsfiddle.net/CubixSystem/9mq2rydj/1/ `console.log('This never log');`

`Color` component is first thing I try. Well, i think my problem now sounds like this: I can't manipulate rendering / de-rendering entity without errors if i not touch `WebGL`...

@jedrichards big thanks for your instructions!