Fix sphere: zero height and zero diameter

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难度
3/5
预计耗时
1-2 天
新手友好度
35/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
csharp, unity
领域
tooling

调研方向

The payload names no files, only the sphere generator and related issues #184 to #188, so locate the sphere generator and its size handling in the repository first. Compare it with the cylinder behaviour described in #186, which grows again when dragged past zero. Done means the sphere cannot be sized to zero height or diameter, negative sizes still build a valid shape, and creating at zero size cancels. The general rule covers every generator, so agree the scope with maintainers before touching them all.

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描述

Problems when drawing and editing a sphere:

  1. Sizing the height to zero makes it flat. As with the other generators, the sphere can be sized down to zero height, which leaves it flat as a pancake.
  2. The diameter can be made zero. Dragging the diameter past zero keeps it at zero, as with the capsule's width (#185). It should behave like the cylinder (#186): dragging past zero makes it grow again on the other side, never stopping at zero.

Rule for all generators: negative sizes are allowed, and every generator builds a valid shape from them (swapping sides under the hood, so the brush is the right way out). A zero size is never allowed: creating at zero size cancels, and an existing generator can't be made zero sized.

Related: box (#184), capsule (#185), cylinder (#186), inspector values (#187), hemisphere (#188).

主要语言
C#
星标
135
派生
15
平均合并
24 分钟
30 天内合并 PR
90

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