private void RenderNavMesh(NavMesh navMesh)
{
GLUtil.SetColor(new Color(0f, 0f, 1.0f, 0.5f));
navMesh.PolygonList.ForEach(x => GLUtil.RenderPolygonFilled(x));
GLUtil.SetColor(new Color(0.5f, 0.1f, 0.1f, 1f));
navMesh.PolygonList.ForEach(x => GLUtil.RenderPolygon(x));
}
public static void DrawCircle(Circle circle, Color color)
{
GLUtil.SetColor(color);
Gl.glBegin(Gl.GL_LINE_LOOP);
PlotCircleVertices(circle.X, circle.Y, circle.Radius);
Gl.glEnd();
}
private void RenderIntersectEdges()
{
foreach (PolygonEdgePair pair in _intersectedEdges)
{
GLUtil.DrawLine2d(pair.Polygon.Vertices[pair.Edge.Start], pair.Polygon.Vertices[pair.Edge.End]);
}
}
private void RenderLinks()
{
foreach (PolygonLink link in _navMesh.Links)
{
Point position = link.GetShortestEdge().GetMiddle();
GLUtil.DrawFilledCircle(position, 10, new Color(0.8f, 0.3f, 0.8f, 1));
}
}
public void Render()
{
if (_haveStartPoint)
{
GLUtil.SetColor(new Color(0.8f, 0.3f, 0.8f, 1));
GLUtil.DrawLine2d(_startPoint, _input.Mouse.Position);
RenderIntersectEdges();
}
RenderLinks();
}
internal static void DrawFilledCircle(Point point, double radius, Color color)
{
GLUtil.SetColor(color);
Gl.glBegin(Gl.GL_TRIANGLE_FAN);
{
Gl.glVertex2d(point.X, point.Y);
PlotCircleVertices(point.X, point.Y, radius);
Gl.glVertex2d(point.X + radius * Math.Cos(0), point.Y + radius * Math.Sin(0));
}
Gl.glEnd();
}
public void Render()
{
GLUtil.Clear(new Color(0.5f, 0.5f, 0.5f, 0));
Gl.glEnable(Gl.GL_TEXTURE_2D);
{
_scene.Render();
}
Gl.glDisable(Gl.GL_TEXTURE_2D);
RenderNavMesh(_scene.NavMesh);
_editState.Render();
}
internal static void RenderPolygonFilled(Engine.PathFinding.ConvexPolygon polygon)
{
Gl.glBegin(Gl.GL_POLYGON);
{
foreach (Point p in polygon.Vertices)
{
GLUtil.DrawPointVertex(p);
}
GLUtil.DrawPointVertex(polygon.Vertices.First());
}
Gl.glEnd();
}
private void RenderEditableVertices()
{
if (_selectedPolygon == null)
{
return;
}
for (int i = 0; i < _selectedPolygon.Vertices.Count; i++)
{
GLUtil.DrawCircle(_selectedPolygon.Vertices[i], 15, new Color(0, 0, 0, 1));
}
}
public void Render()
{
GLUtil.Clear(new Color(0, 0, 0, 1));
Gl.glEnable(Gl.GL_TEXTURE_2D);
foreach (Layer layer in _scene.Layers)
{
layer.Render(_renderer);
}
_renderer.Render();
Gl.glDisable(Gl.GL_TEXTURE_2D);
if (_canWalkMousePosition)
{
GLUtil.DrawFilledCircle(_input.Mouse.Position, 10, new Color(0, 1, 0, 1));
}
else
{
GLUtil.DrawFilledCircle(_input.Mouse.Position, 10, new Color(1, 0, 0, 1));
}
// Draw the basic nav meshes
GLUtil.SetColor(new Color(1, 0, 0, 1));
_scene.NavMesh.PolygonList.ForEach(x => GLUtil.RenderPolygon(x));
GLUtil.SetColor(new Color(1, 1, 1, 1));
Gl.glLineWidth(4);
Gl.glBegin(Gl.GL_LINE_STRIP);
{
foreach (Point point in _path)
{
GLUtil.DrawPointVertex(point);
}
}
Gl.glEnd();
Gl.glLineWidth(1);
Gl.glEnable(Gl.GL_TEXTURE_2D);
_playerCharacter.Render(_renderer);
_renderer.Render();
Gl.glDisable(Gl.GL_TEXTURE_2D);
}
private void RenderEditableVertices()
{
if (_selectedPolygon == null)
{
return;
}
for (int i = 0; i < _selectedPolygon.Vertices.Count; i++)
{
if (i == _selectedVertexIndex)
{
GLUtil.DrawFilledCircle(_selectedPolygon.Vertices[i], VertexEditRadius - 1, new Color(1, 1, 0, 1));
GLUtil.DrawCircle(_selectedPolygon.Vertices[i], VertexEditRadius, new Color(0, 0, 0, 1));
}
else
{
GLUtil.DrawFilledCircle(_selectedPolygon.Vertices[i], VertexEditRadius - 1, new Color(1, 1, 1, 1));
GLUtil.DrawCircle(_selectedPolygon.Vertices[i], VertexEditRadius, new Color(0, 0, 0, 1));
}
}
}