4 Creating and Editing Simple Polygons

4 Q3Polygon_GetVertexPosition

You can use the Q3Polygon_GetVertexPosition function to get the position of a vertex of a simple polygon.

TQ3Status Q3Polygon_GetVertexPosition (
TQ3GeometryObject polygon, 
unsigned long index, 
TQ3Point3D *point);
polygon A simple polygon.
index An index into the vertices array of the specified simple polygon.
point On exit, the position of the specified vertex.

DESCRIPTION


The Q3Polygon_GetVertexPosition function returns, in the point parameter, the position of the vertex having the index specified by the index parameter in the vertices array of the simple polygon specified by the polygon parameter.

DESCRIPTION

3D Graphics Programming with QuickDraw 3D - 21 OCT 1995

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