private void RenderConnections()
{
// Render the connections between the edges
foreach (Connection connection in _connections)
{
Point firstStart = connection.StartPoly.Vertices[connection.StartEdgeIndex.Start];
Point firstEnd = connection.StartPoly.Vertices[connection.StartEdgeIndex.End];
float length1 = EdgeIndex.Length(firstStart, firstEnd);
Point secondStart = connection.EndPoly.Vertices[connection.EndEdgeIndex.Start];
Point secondEnd = connection.EndPoly.Vertices[connection.EndEdgeIndex.End];
float length2 = EdgeIndex.Length(secondStart, secondEnd);
if (length1 <= length2)
{
Point point = LineSegment.GetMiddle(firstStart, firstEnd);
PrimitiveDrawer.DrawFilledCircle(point, 15, new Color(0, 0, 1, 1));
}
else
{
Point point = LineSegment.GetMiddle(secondStart, secondEnd);
PrimitiveDrawer.DrawFilledCircle(point, 15, new Color(0, 0, 1, 1));
}
}
}
public void Render()
{
Gl.glClearColor(1, 1, 1, 0);
Gl.glClear(Gl.GL_COLOR_BUFFER_BIT);
_pathFinder.Polygons.ForEach(x => PolyDrawer.RenderPoly(x));
if (_drawingPath)
{
PrimitiveDrawer.DrawFilledCircle(_pathStart, 15, new Color(0, 0, 0, 1));
}
GLUtil.SetColor(new Color(1, 0, 0, 1));
Gl.glBegin(Gl.GL_LINE_STRIP);
{
foreach (Point p in _path)
{
GLUtil.DrawPointVertex(p);
}
}
Gl.glEnd();
_renderer.DrawText(0, 0, "Path Drawing State", _font);
Gl.glEnable(Gl.GL_TEXTURE_2D);
Gl.glBlendFunc(Gl.GL_SRC_ALPHA, Gl.GL_ONE_MINUS_SRC_ALPHA);
_renderer.Render();
Gl.glDisable(Gl.GL_TEXTURE_2D);
}
private void RenderVerts(ConvexPolyForm poly)
{
for (int i = 0; i < poly.Vertices.Count; i++)
{
Point p = poly.Vertices[i];
PrimitiveDrawer.DrawCircle(new Circle(p.X, p.Y, 16), new Color(0, 0, 0, 1));
if (i == _selectedVert && _editState == EditState.VertexPressed)
{
PrimitiveDrawer.DrawFilledCircle(p, 15, new Color(0, 1, 1, 1));
}
else
{
PrimitiveDrawer.DrawFilledCircle(p, 15, new Color(1, 1, 1, 1));
}
}
}
private void RenderCentroid(ConvexPolyForm poly)
{
PrimitiveDrawer.DrawFilledCircle(poly.GetCentroid(), 15, new Color(1, 1, 0, 1));
}
