Results 3 issues of Ehab

When rasterizing the rendered image, how to get the list of gaussian points that are used for rendering each pixel?

It is common to use dataloader with distributed sampler when training with multi gpus. So why not use a distributed sampler in `examples/simple_trainer.py`, is that for any reason?

### Expected Behavior If My protoss spell encounters the secret 'Counterspell', the Colossus damage count won't change. ### Actual Behavior My protoss spell encountered the secret 'Counterspell', but still added...

bug