private void DrawVector2D(DirectedEdge edge)
{
Vector2DInfo vectorInfo = new Vector2DInfo(new Point(VertexCoords[edge.Begin].X, VertexCoords[edge.Begin].Y),
new Point(VertexCoords[edge.End].X, VertexCoords[edge.End].Y));
Gl.glBegin(Gl.GL_LINES);
Gl.glVertex2d(vectorInfo.Begin.X, vectorInfo.Begin.Y);
Gl.glVertex2d(vectorInfo.End.X, vectorInfo.End.Y);
Gl.glVertex2d(vectorInfo.End.X, vectorInfo.End.Y);
Gl.glVertex2d(vectorInfo.End.X + vectorInfo.LeftArrowPoint.X,
vectorInfo.End.Y + vectorInfo.LeftArrowPoint.Y);
Gl.glVertex2d(vectorInfo.End.X, vectorInfo.End.Y);
Gl.glVertex2d(vectorInfo.End.X + vectorInfo.RightArrowPoint.X,
vectorInfo.End.Y + vectorInfo.RightArrowPoint.Y);
Gl.glEnd();
}
private void DrawVector2D(DirectedEdge edge)
{
Vector2DInfo vectorInfo = new Vector2DInfo(new Point(VertexCoords[edge.Begin].X, VertexCoords[edge.Begin].Y),
new Point(VertexCoords[edge.End].X, VertexCoords[edge.End].Y));
Gl.glBegin(Gl.GL_LINES);
Gl.glVertex2d(vectorInfo.Begin.X, vectorInfo.Begin.Y);
Gl.glVertex2d(vectorInfo.End.X, vectorInfo.End.Y);
Gl.glVertex2d(vectorInfo.End.X, vectorInfo.End.Y);
Gl.glVertex2d(vectorInfo.End.X + vectorInfo.LeftArrowPoint.X,
vectorInfo.End.Y + vectorInfo.LeftArrowPoint.Y);
Gl.glVertex2d(vectorInfo.End.X, vectorInfo.End.Y);
Gl.glVertex2d(vectorInfo.End.X + vectorInfo.RightArrowPoint.X,
vectorInfo.End.Y + vectorInfo.RightArrowPoint.Y);
Gl.glEnd();
}