新手求教。。。。急！！！

啊 有没有人呀。。。。

已解决

Set Floor = Scene.CreateMeshBuilder
Floor.SetMeshFormat CONST_TV_MESHFORMAT.TV_MESHFORMAT_DIFFUSE + CONST_TV_MESHFORMAT.TV_MESHFORMAT_NOLIGHTING
Floor.SetLightingMode (CONST_TV_LIGHTINGMODE.TV_LIGHTING_NONE)
Floor.SetPrimitiveType (CONST_TV_PRIMITIVETYPE.TV_LINELIST)
For x = -1000 To 1000 Step 10
Floor.AddVertex x, 0, -1000, 0, 1, 0, 0, 0, 0, 0
Floor.AddVertex x, 0, 1000, 0, 1, 0, 0, 1, 0, 0
Next x
For y = -1000 To 1000 Step 10
Floor.AddVertex -1000, 0, y, 0, 1, 0, 1, 0, 0, 0, 0
Floor.AddVertex 1000, 0, y, 0, 1, 0, 1, 1, 0, 0
Next y
Floor.AddVertex 0, -1000, 0, 1, 0, 0, 0, 0, 0, 0, -0.5
Floor.AddVertex 0, 1000, 0, 1, 0, 0, 0, 0, 0, 0, -0.5