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w10

以下模擬將 joint4 定在 link3 末端, 然後透過 SolidReference 指定為 <static environment>, 表示此 joint4 必須固定在地面.

與 fourbar_slvs.7z 在引用 obj 格式零件上的差異在於: 使用 Solid - Shape - Mesh 節點導入的 CAD 繪製零件, 無需如 Solid - CadShape 必須透過 .mtl 修改導入零件的顏色, Shape 節點可以直接置入 Material 欄位, 透過 diffuseColor 改變零件顏色.

有關 CadShape:

The CadShape node renders a Collada (.dae) or Wavefront (.obj) object imported from an external file. Both Collada and Wavefront files can include 3D geometries and appearances, be it materials or references to external textures, therefore the CadShape node builds both. If the file references external textures, these should be placed relative to the collada/wavefront file itself as indicated (i.e., in the location expressed within the .dae/.obj file), no additional search is performed for these textures.

假如希望導入的零件使用外部的材質檔案進行調控, 可以使用 CadShape 節點, 以 .dae 或 .obj 導入.

有關 Mesh:

The Mesh node represents a 3D shape imported from an external file created by a 3D modeling software. The Mesh node can be used either as a graphical or as a collision detection primitive (in a boundingObject). Currently, the following formats are supported:

Collada files (.dae).
STL files (.stl).
Wavefront files (.obj).

If the file contains more than one mesh, the meshes will be merged into a single one.

Mesh 可以接受 .dae、stl 或 .obj 檔案格式零件, 且可用於零件外形與碰撞檢測用 (CadShape 節點則只能用於零件外形展示, 而不能用於碰撞檢測).

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