demo/subdivision.r

# RGL-demo: subdivision surfaces
# author: Daniel Adler

rgl.demo.subdivision <- function() {
  # setup environment
  clear3d("all")
  view3d()
  bg3d(color="gray")
  light3d()

  # generate basic mesh
  obj <- oh3d()

  part <- function( level, tx, ... ) {
    shade3d( translate3d( obj, tx, 0, 0 )
    , color="gray30", front="lines",alpha=0.5,back="lines", override=TRUE
    )
    shade3d( translate3d( subdivision3d( obj, depth=level ), tx, 0, 0 )
    , override=TRUE, ... )
  }
  
  part(0, -5.50, color="blue"   )
  part(1, -1.75, color="yellow" )
  part(2,  1.75, color="red"    )
  part(3,  5.50, color="green"  )

}

open3d()
rgl.demo.subdivision()

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rgl documentation built on Feb. 1, 2021, 3:01 a.m.