・ Calculation of luminance of vertex for Goo display (optional) 
-Related parameter items-
 gourVertCount Number of vertex entries for vertex luminance calculation
When 0, vertex brightness calculation is not performed
VertNormal vertex normal table for vertex luminance calculation
Matrix conversion matrix to viewpoint coordinate system
LightVector Light source vector in the viewpoint coordinate system
 vertBright Vertex brightness calculation result table
0x00 = darkest
0x1f = brightest 

 ・ Converting vertex to world coordinate system 
-Related parameter items-
 transWorldVertCount Number of vertex entries for world coordinate transformation
When 0 = 0, vertex world coordinate system is not converted
TransWorldVertSrc Vertex data table before world coordinate conversion
WorldMatrix Transformation matrix to world coordinate system
 transWorldVertAns World coordinate transformed vertex data table 

  format  voidMTH_PolyDataTransCheck (void)
 Input  None
 Output  None
 Function value  None
 Function  Wait until the coordinate conversion processing by DSP is completed. 

  format  voidMTH_Pers2D (MthXyz * p3d, MthXy * unitPixel, XyInt * p2d)
 Input  p3d: 3D vertex coordinates of viewpoint coordinate system
 unit  unitPixel: number of unit pixels of screen XY
 Output  p2d: Screen 2D coordinates after perspective transformation
 Function value  None
 Function  From 3D by setting the screen at −1.0 with the origin of the viewpoint coordinate system as the viewpoint
 Perspective conversion to 2D is performed.  The size of 1.0 on the screen is simply the screen XY.
 Corresponds to the number of pixels .