/// <summary>
/// Called when the sample has to startup.
/// </summary>
/// <param name="targetRenderLoop">The target render loop.</param>
public override async Task OnStartupAsync(RenderLoop targetRenderLoop)
{
targetRenderLoop.EnsureNotNull(nameof(targetRenderLoop));
// Build dummy scene
Scene scene = targetRenderLoop.Scene;
Camera3DBase camera = targetRenderLoop.Camera as Camera3DBase;
await targetRenderLoop.Scene.ManipulateSceneAsync((manipulator) =>
{
// Create floor
SampleSceneBuilder.BuildStandardFloor(
manipulator, Scene.DEFAULT_LAYER_NAME);
TextGeometryOptions textOptions = TextGeometryOptions.Default;
textOptions.FontSize = 50;
textOptions.MakeVolumetricText = true;
textOptions.SurfaceVertexColor = Color.Blue;
textOptions.VolumetricSideSurfaceVertexColor = Color4.CornflowerBlue;
GenericObject textObject = manipulator.Add3DText($"Seeing# {Environment.NewLine} Text3D Sample", textOptions);
textObject.YPos = textOptions.VolumetricTextDepth;
});
// Configure camera
camera.Position = new Vector3(0.7f, 8.5f, -15f);
camera.RelativeTarget = new Vector3(0.44f, -0.62f, 0.64f);
camera.UpdateCamera();
}
/// <summary>
/// Adds a text geometry resource.
/// </summary>
/// <param name="textToDisplay">The text to be displayed.</param>
/// <param name="textOptions">All options regarding the text geometry generator.</param>
/// <param name="realignToCenter">Moves all vertices so that the center is 0.</param>
public NamedOrGenericKey Add3DTextGeometryResource(string textToDisplay, TextGeometryOptions textOptions, bool realignToCenter = false)
{
var newGeometry = new Geometry();
newGeometry.FirstSurface.BuildTextGeometry(
textToDisplay,
textOptions);
if (realignToCenter)
{
newGeometry.RealignToCenter();
}
return(this.AddResource(_ => new GeometryResource(newGeometry)));
}
/// <summary>
/// Adds a text object displaying the given text.
/// </summary>
/// <param name="textToDisplay">The text to be displayed.</param>
/// <param name="textOptions">All options regarding the text geometry generator.</param>
/// <param name="realignToCenter">Moves all vertices so that the center is 0.</param>
/// <param name="layer">The layer on which to add the object.</param>
public GenericObject Add3DText(string textToDisplay, TextGeometryOptions textOptions, bool realignToCenter = false, string layer = Scene.DEFAULT_LAYER_NAME)
{
VertexStructure newStructure = new VertexStructure();
newStructure.FirstSurface.BuildTextGeometry(
textToDisplay,
textOptions);
if (realignToCenter)
{
newStructure.RealignToCenter();
}
var resTextGeometry = this.AddResource(() => new GeometryResource(newStructure));
return(this.AddGeneric(resTextGeometry, layer));
}
/// <summary>
/// Adds a new text geometry with the given text.
/// </summary>
internal static GeometryResource AddTextGeometry(this ResourceDictionary resourceDictionary, NamedOrGenericKey resourceKey, string textToAdd, TextGeometryOptions textGeometryOptions)
{
var newGeometry = new Geometry();
newGeometry.FirstSurface.BuildTextGeometry(textToAdd, textGeometryOptions);
return(resourceDictionary.AddGeometry(resourceKey, newGeometry));
}
/// <summary>
/// Initializes the scene for this model viewer.
/// </summary>
internal async Task InitializeAsync()
{
await m_scene.ManipulateSceneAsync((manipulator) =>
{
SceneLayer bgImageLayer = null;
bool isBgImageCreated = false;
if (manipulator.ContainsLayer(Constants.LAYER_BACKGROUND_FLAT))
{
bgImageLayer = manipulator.GetLayer(Constants.LAYER_BACKGROUND_FLAT);
isBgImageCreated = true;
}
else
{
bgImageLayer = manipulator.AddLayer(Constants.LAYER_BACKGROUND_FLAT);
}
SceneLayer bgLayer = manipulator.AddLayer(Constants.LAYER_BACKGROUND);
manipulator.SetLayerOrderID(bgImageLayer, 0);
manipulator.SetLayerOrderID(bgLayer, 1);
manipulator.SetLayerOrderID(Scene.DEFAULT_LAYER_NAME, 2);
var keyPostprocess = manipulator.AddResource <FocusPostprocessEffectResource>(
() => new FocusPostprocessEffectResource(false));
if (!manipulator.ContainsLayer(Constants.LAYER_HOVER))
{
SceneLayer layerHover = manipulator.AddLayer(Constants.LAYER_HOVER);
layerHover.PostprocessEffectKey = keyPostprocess;
layerHover.ClearDepthBufferBeforeRendering = true;
manipulator.SetLayerOrderID(layerHover, 3);
}
// Store a reference to the background layer
m_bgLayer = bgLayer;
// Define background texture
if (!isBgImageCreated)
{
ResourceLink linkBackgroundTexture = new AssemblyResourceUriBuilder(
"SeeingSharpModelViewer", true,
"Assets/Textures/Background.dds");
NamedOrGenericKey resBackgroundTexture = manipulator.AddTexture(linkBackgroundTexture);
manipulator.Add(new FullscreenTextureObject(resBackgroundTexture), bgImageLayer.Name);
}
// Define ground
Grid3DType objTypeGrid = new Grid3DType();
objTypeGrid.TilesX = m_tilesPerSide * 4;
objTypeGrid.TilesZ = m_tilesPerSide * 4;
objTypeGrid.HighlightXZLines = true;
objTypeGrid.TileWidth = 0.25f;
objTypeGrid.GroupTileCount = 4;
objTypeGrid.GenerateGround = false;
objTypeGrid.XLineHighlightColor = Color4.GreenColor;
objTypeGrid.ZLineHighlightColor = Color4.BlueColor;
NamedOrGenericKey resGridGeometry = manipulator.AddGeometry(objTypeGrid);
manipulator.Add(new GenericObject(resGridGeometry), Constants.LAYER_BACKGROUND);
TextGeometryOptions textXOptions = TextGeometryOptions.Default;
textXOptions.SurfaceVertexColor = Color4.GreenColor;
textXOptions.MakeVolumetricText = false;
textXOptions.FontSize = 30;
GenericObject textX = manipulator.Add3DText(
"X", textXOptions,
realignToCenter: true,
layer: Constants.LAYER_BACKGROUND);
textX.Position = new Vector3((m_tilesPerSide / 2f) + 1f, 0, 0);
TextGeometryOptions textZOptions = TextGeometryOptions.Default;
textZOptions.SurfaceVertexColor = Color4.BlueColor;
textZOptions.MakeVolumetricText = false;
textZOptions.FontSize = 30;
GenericObject textZ = manipulator.Add3DText(
"Z", textZOptions,
realignToCenter: true,
layer: Constants.LAYER_BACKGROUND);
textZ.Position = new Vector3(0f, 0f, (m_tilesPerSide / 2f) + 1f);
});
}
/// <summary>
/// Adds a new text geometry with the given text.
/// </summary>
internal static GeometryResource AddTextGeometry(this ResourceDictionary resourceDiciontary, NamedOrGenericKey resourceKey, string textToAdd, TextGeometryOptions textGeometryOptions)
{
VertexStructure newStructure = new VertexStructure();
newStructure.FirstSurface.BuildTextGeometry(textToAdd, textGeometryOptions);
newStructure.FirstSurface.Material = textGeometryOptions.SurfaceMaterial;
return(resourceDiciontary.AddGeometry(resourceKey, newStructure));
}
