S3DTK_TriangleSet

Draw triangles.

Method of:

Syntax:

S3DTK_TriangleSet: function(
  pFuncStruct: Pointer;
  pVertexSet: PULONG;
  NumVertexes: ULONG;
  SetType: ULONG): ULONG; cdecl;

Parameters:

• pFuncStruct - Pointer to the TS3DTK_FUNCTION_LIST that contains this method.
• pVertexSet - A pointer to an array of pointers where each pointer points to a TS3DTK_VERTEX_LIT or TS3DTK_VERTEX_TEX.
• NumVertexes - Number of vertices to draw from the array.
• SetType - The type of primitives. This can be one of S3DTK_TRILIST, S3DTK_TRISTRIP or S3DTK_TRIFAN. See below.

Returns:

S3DTK_OK if successful, S3DTK_ERR otherwise.

Description:

This can be used to draw triangles in the form of a list of N/3 separate triangles, a triangle strip made out of N-2 triangles where after the first triangle the rest are defined by the shared edge following a zig-zag pattern or triangle fan made out of N-2 triangles where the first vertex is shared by all triangles and the other vertices specify the non-shared edges.

Notice that vertex data is specified as an array of pointers, which allows reuse of shared vertices by having the same vertex pointed to by different pointers.

Unit: S3DTK

See Also:

S3DTK_TriangleSetEx (in TS3DTK_FUNCTION_LIST)