/*
* Sky
* http://vterrain.org/Atmosphere/index.html
*
* https://gamedev.ru/code/forum/?id=19689
* http://www.philohome.com/skycollec/skycollec.htm
* http://steps3d.narod.ru/tutorials/sky-tutorial.html
*/
public static SkyGameObject Create(IEntityManager manager)
{
var resources = Path.Combine(@"Resources\sky\");
//../../../../D3DLab.Wpf.Engine.App/Resources/sky/
var tag = new ElementTag("SkyDome");
var plane = new ElementTag("SkyPlane");
//var geo = GenerateSphere(2, Vector3.Zero, 15f.ToRad());
var file = new FileInfo(Path.Combine(resources, "sky.obj"));
var points = new List <Vector3>();
var indx = new List <int>();
var index = 0;
foreach (var line in File.ReadAllLines(file.FullName))
{
var parts = line.Split(' ');
points.Add(new Vector3(float.Parse(parts[1]), float.Parse(parts[2]), float.Parse(parts[3])));
indx.Add(index);
index++;
}
var geo = new HittableGeometryComponent();
geo.Positions = points.ToImmutableArray();
geo.Indices = indx.ToImmutableArray();
geo.Color = V4Colors.White;
//geo.TextureCoordinates = geo.Positions.Select(x => new Vector2()).ToImmutableArray();
manager.CreateEntity(tag)
.AddComponents(new IGraphicComponent[] {
new D3DSkyRenderComponent()
{
},
geo,
TransformComponent.Identity(),
new GradientMaterialComponent(),
new FollowUpCameraPositionComponent()
});
var planemesh = GeometryBuilder.BuildSkyPlane(SkyPlaneData.Default);
manager.CreateEntity(plane)
.AddComponents(new IGraphicComponent[] {
new D3DSkyPlaneRenderComponent(),
new D3DTexturedMaterialSamplerComponent(
new System.IO.FileInfo(Path.Combine(resources, "cloud001.bmp")),
new System.IO.FileInfo(Path.Combine(resources, "cloud002.bmp"))
),
new SimpleGeometryComponent {
Positions = planemesh.Positions.ToImmutableArray(),
Indices = planemesh.Indices.ToImmutableArray(),
TextureCoordinates = planemesh.TextureCoordinates.ToImmutableArray(),
},
TransformComponent.Identity(),
new FollowUpCameraPositionComponent(),
new SkyPlaneParallaxAnimationComponent()
});
return(new SkyGameObject(tag));
}