摘要: 很久沒寫技術文章，今天寫一下骨骼動畫的過渡，也當是復習一下。骨骼動畫的過渡在游戲中很常見，由一個動作切換到另一個動作有個過渡時間，這個過程其實是動作混合的過程。
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摘要: 1. Trying to do too much in the first version. See Raymond's point above.
2. Taking a major dependency on unproven technology.
3. Competing with an existing internal project that was either a cash cow or had backers that are highly placed in the corporate hierarchy.
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