Maxscript实现在物体表面均匀散布的4种主流算法
在物体表面均匀散布对象的算法确实有多种优化方案,以下是几种更高级的算法思路及对应的实现方法,可根据需求选择最适合的方案:
1. 泊松圆盘采样 (Poisson Disk Sampling)
特点:生成分布均匀且随机性良好的点集,避免簇拥或过度稀疏
适用场景:需要高质量均匀分布且不计较计算时间的场景
MaxScript 实现思路:
fn poissonDiskSampling obj count radius =
(local points = #()local faceAreas = #()local totalArea = 0.0-- 计算面片面积for i = 1 to (polyop.getNumFaces obj) do (local area = polyop.getFaceArea obj iappend faceAreas #(i, area)totalArea += area)-- 生成初始随机点local initialPoint = getRandomPointOnFace obj (random 1 (faceAreas.count)) trueappend points initialPoint-- 迭代生成新点while points.count < count do(