增加关卡速度调整,在准备阶段可以通过方向上下键调整游戏速度,包括云朵,水管与草地的速度,数值在页面右上角显示 #23
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
(大学生作业)
添加speedutil类,采取单例模式,通过调用speed属性调整bird,cloud,pipe中的speed属性,在游戏未开始阶段监听上下方向键用以增加或减少速度,同时清空并重新填充pipepool