protected Vector3 _scale = Vector3.zero; // 大小（缩放）
public void SetRenderEngine(RenderEngine theRenderEngine)
{
_renderEngine = theRenderEngine;
}
public Cube(RenderEngine theRenderEngine)
{
base.SetRenderEngine(theRenderEngine);
}
public Cylinder(RenderEngine theRenderEngine)
{
base.SetRenderEngine(theRenderEngine);
}
public Sphere(RenderEngine theRenderEngine)
{
base.SetRenderEngine(theRenderEngine);
}
