xBase | 要设置的高度贴图样本的第一个 x 索引。 |
yBase | 要设置的高度贴图样本的第一个 y 索引。 |
heights | 要设置的高度贴图样本数组(值的范围为 0 到 1,数组的索引为 [y,x])。 |
设置一个高度贴图样本数组。
使用一个二维的高度贴图样本数组设置高度贴图数据。样本使用范围从 0 到 1 的浮点值表示。受影响的区域由数组维度和 xBase 及 yBase 的起点定义。高度数组的索引为 [y,x]。
与 TerrainData.SetHeights 不同,该方法不更新地形或任何树木/植被对象的 LOD 信息;这意味着可能会以不合适的细节级别临时渲染地形,但可使该方法快到足以在交互式编辑场景中使用。完成对地形的修改后(例如,当用户释放鼠标按钮时),调用 TerrainData.SyncHeightmap 来更新所有 LOD 和植被信息。
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