各 Triangle の各 TrianglePoint についてR、G、B、A 値の 3D Array（[r,g,b,a values][TrianglePoint][Triangle]）を戻します。
set root = Application.ActiveProject.ActiveScene.Root
set obj = root.AddGeometry( "Cube", "MeshSurface" )
CreateVertexColorSupport ,,obj
a = obj.ActivePrimitive.Geometry.Triangles.colorarray
for i=LBound( a, 3 ) to UBound( a, 3 )
for j=LBound( a, 2 ) to UBound( a, 2 )
Application.LogMessage "t" & i & ".p" & j & ".color: " & _
a(0,j,i) & "," & a(1,j,i) & "," & a(2,j,i) & "," & a(3,j,i)
next
next
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