private void InitScene()
{
BitmapImage mapImg = new BitmapImage(new Uri("Images/map.jpg", UriKind.Relative));
mapSizeX = mapImg.Width;
mapSizeZ = mapImg.Height;
viewport = new Viewport3D();
viewport.MouseDown += ViewportMouseDown;
// Add camera
camera = new PerspectiveCamera();
camera.FieldOfView = 60.0;
camera.NearPlaneDistance = 1.0;
camera.FarPlaneDistance = 10000.0;
camera.LookDirection = new Vector3D(0, -1, 0);
camera.UpDirection = new Vector3D(0, 0, -1);
camera.Position = new Point3D(0, 2000, 0);
viewport.Camera = camera;
// Create map quad
Geometry3D quadMesh = MeshFactory.Quad(new Point3D(), new Vector(mapImg.Width, mapImg.Height));
Material quadMaterial = new DiffuseMaterial(new ImageBrush(mapImg));
GeometryModel3D quad = new GeometryModel3D(quadMesh, quadMaterial);
// Create directional & ambient light
DirectionalLight dirLight = new DirectionalLight();
dirLight.Color = Colors.White;
dirLight.Direction = new Vector3D(0, -1, 0);
AmbientLight ambientLight = new AmbientLight();
ambientLight.Color = Color.FromRgb(62, 73, 89);
modelGroup = new Model3DGroup();
modelGroup.Children.Add(dirLight);
modelGroup.Children.Add(ambientLight);
modelGroup.Children.Add(quad);
ModelVisual3D modelVisual = new ModelVisual3D();
modelVisual.Content = modelGroup;
viewport.Children.Add(modelVisual);
Content = viewport;
lightRedMat = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(255, 130, 130)));
redMat = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(255, 80, 80)));
brightRedMat = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(240, 0, 0)));
lineMat = new DiffuseMaterial(Brushes.Black);
}
private void DrawNodes()
{
foreach (PowerNode node in nodeMap.Nodes)
{
double xNormalized = MathUtility.InverseLerp(SW_LON, NE_LON, node.X);
double yNormalized = MathUtility.InverseLerp(SW_LAT, NE_LAT, node.Y);
double xPos = MathUtility.Lerp(-mapSizeX / 2, mapSizeX / 2, xNormalized);
double zPos = MathUtility.Lerp(-mapSizeZ / 2, mapSizeZ / 2, yNormalized);
double cubeHeight = CUBE_SIZE / 2 + 0.1;
bool intersectsWithNode;
Geometry3D cubeMesh;
// Check AABB intersections
do
{
cubeMesh = MeshFactory.Cube(new Point3D(xPos, cubeHeight, -zPos), new Vector3D(CUBE_SIZE, CUBE_SIZE, CUBE_SIZE));
intersectsWithNode = false;
foreach (Model3D cubeModel in modelGroup.Children)
{
if (cubeMesh.Bounds.IntersectsWith(cubeModel.Bounds))
{
cubeHeight += CUBE_SIZE + 0.1;
intersectsWithNode = true;
break;
}
}
} while (intersectsWithNode);
Material material;
if (node.ConnectionCount <= 3)
{
material = lightRedMat;
}
else if (node.ConnectionCount <= 5)
{
material = redMat;
}
else
{
material = brightRedMat;
}
GeometryModel3D cube = new GeometryModel3D(cubeMesh, material);
nodeModels.Add(cube, node);
modelGroup.Children.Add(cube);
}
}