このトライアングルのTrianglePointインデックスのArrayを戻します（[x,y,z 値]など）。
set root = Application.ActiveProject.ActiveScene.Root
set obj = root.AddGeometry( "Cube", "MeshSurface" )
set triangles = obj.ActivePrimitive.Geometry.Triangles
for i=0 to triangles.count - 1
set t = triangles(i)
a = t.IndexArray
for j=LBound( a, 1 ) to UBound( a, 1 )
Application.LogMessage "t" & i & ".p" & j & ".index: " & a(j)
next
next
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