功能: 节点容器的滚动

[rabbitao]

功能描述

1. 有一个容器node
2. 容器node内有很多个子node
3. 每一个子node都带有桩便于连线
4. 当子node数量较多时, 会将父node撑满画布. 超出的部分必须缩放画布才可见. 此时子node会变的很小难以控制

期望解决方案

1. 父node可以给一个固定宽高. 并在子node超出范围时出现滚动条
2. 超出范围的子node连线可以隐藏, 也可以象征性从父node引出.

[x6-bot]

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