public PlanarShadows()
{
InitializeComponent();
_disposables = new DisposeList();
MainDXViewportView.DXSceneInitialized += delegate(object sender, EventArgs args)
{
if (MainDXViewportView.DXScene != null)
{
string textureFileName = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"Resources/10x10-texture.png");
// To load a texture from file, you can use the TextureLoader.LoadShaderResourceView (this supports loading standard image files and also loading dds files).
// This method returns a ShaderResourceView and it can also set a textureInfo parameter that defines some of the properties of the loaded texture (bitmap size, dpi, format, hasTransparency).
TextureInfo textureInfo;
var loadedShaderResourceView = Ab3d.DirectX.TextureLoader.LoadShaderResourceView(MainDXViewportView.DXScene.Device, textureFileName, out textureInfo);
_disposables.Add(loadedShaderResourceView);
// Get recommended BlendState based on HasTransparency and HasPreMultipliedAlpha values.
// Possible values are: CommonStates.Opaque, CommonStates.PremultipliedAlphaBlend or CommonStates.NonPremultipliedAlphaBlend.
var recommendedBlendState = MainDXViewportView.DXScene.DXDevice.CommonStates.GetRecommendedBlendState(textureInfo.HasTransparency, textureInfo.HasPremultipliedAlpha);
_planarShadowRenderingProvider = new PlanarShadowRenderingProvider()
{
ShadowPlaneCenterPosition = new Vector3(0, 0, 0),
ShadowPlaneSize = new Vector2(400, 400),
ShadowPlaneNormalVector = new Vector3(0, 1, 0),
ShadowPlaneHeightDirection = new Vector3(0, 0, -1),
ShadowPlaneMaterial = new StandardMaterial()
{
DiffuseColor = Color3.White, // When DiffuseTextures are set, then DiffuseColor is used as a color filter (White means no filter)
DiffuseTextures = new ShaderResourceView[] { loadedShaderResourceView },
TextureBlendState = recommendedBlendState,
HasTransparency = textureInfo.HasTransparency
},
ShadowPlaneBackMaterial = new StandardMaterial()
{
DiffuseColor = Colors.DimGray.ToColor3()
},
ShadowColor = Color3.Black,
ShadowTransparency = 0.65f,
// Because shadow is rendered as standard 3D object, we need to offset it from the shadow plane
// to prevent z-fighting problems that occur when two 3D objects are rendered to the same 3D position.
// This value need to be very small so that it is not seen that the shadow is above the plane.
// Default value is 0.01f.
ShadowOffsetFromPlane = 0.01f,
// When using PlanarShadowRenderingProvider we do not need PlanarShadowMeshCreator from Ab3d.PowerToys
// to prepare a special MeshGeometry3D for us. Also PlanarShadowMeshCreator does not need to manually (on the CPU)
// cut the shadow to the plane bounds but this can be done with using hardware accelerated algorithm (using stencil buffer).
// But if we still want to use PlanarShadowMeshCreator we can set the following two properties to false
// (for example if we wanted to use PlanarShadowRenderingProvider just to provide proper transparent shadows).
ApplyShadowMatrix = true,
CutShadowToPlaneBounds = true,
// To use a custom light that does not illuminate the 3D scene set the CustomShadowLight.
// Otherwise the first light that has DXAttributeType.IsCastingShadow attribute set to true is used.
// If no light has IsCastingShadow attribute set, then the first directional or point light is used.
//CustomShadowLight = new Ab3d.DirectX.Lights.DirectionalLight(new Vector3(0, -1, 1))
//CustomShadowLight = new Ab3d.DirectX.Lights.PointLight(new Vector3(0, 500, 0), 300)
};
_disposables.Add(_planarShadowRenderingProvider);
MainDXViewportView.DXScene.InitializeShadowRendering(_planarShadowRenderingProvider);
}
_lightHorizontalAngle = -60;
_lightVerticalAngle = 60;
_lightDistance = 500;
_ambientLight = new AmbientLight(System.Windows.Media.Color.FromRgb(40, 40, 40));
_shadowPointLight = new PointLight();
_shadowDirectionalLight = new DirectionalLight();
Camera1.ShowCameraLight = ShowCameraLightType.Never; // prevent adding camera's light
SetShadowLight(isDirectionalLight: true);
UpdateLights();
CreateSampleObjects();
};
this.PreviewKeyDown += OnPreviewKeyDown;
// This will allow receiving keyboard events
this.Focusable = true;
this.Focus();
this.Unloaded += delegate(object sender, RoutedEventArgs args)
{
StopAnimation();
_disposables.Dispose();
MainDXViewportView.Dispose();
};
}
public PlanarShadowsCustomization()
{
InitializeComponent();
_disposables = new DisposeList();
MainDXViewportView.DXSceneInitialized += delegate(object sender, EventArgs args)
{
if (MainDXViewportView.DXScene != null)
{
// Load texture file into ShaderResourceView (in our case we load dds file; but we could also load png file)
string textureFileName = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"Resources/GrassTexture.jpg");
var loadedShaderResourceView = Ab3d.DirectX.TextureLoader.LoadShaderResourceView(MainDXViewportView.DXScene.DXDevice.Device, textureFileName);
_disposables.Add(loadedShaderResourceView);
// Define DXEngine's materials for shadow plane
_shadowPlaneMaterial = new StandardMaterial()
{
DiffuseColor = Color3.White, // When DiffuseTextures are set, then DiffuseColor is used as a color filter (White means no filter)
DiffuseTextures = new ShaderResourceView[] { loadedShaderResourceView }
};
_shadowPlaneBackMaterial = new StandardMaterial()
{
DiffuseColor = Colors.DimGray.ToColor3()
};
_disposables.Add(_shadowPlaneMaterial);
_disposables.Add(_shadowPlaneBackMaterial);
// Define the PlanarShadowRenderingProvider
_planarShadowRenderingProvider = new PlanarShadowRenderingProvider()
{
// We need to provide information about the position of the plane in 3D space
ShadowPlaneCenterPosition = new Vector3(0, 0, 0),
ShadowPlaneSize = new Vector2(400, 400),
ShadowPlaneNormalVector = new Vector3(0, 1, 0),
ShadowPlaneHeightDirection = new Vector3(0, 0, -1),
// In case ShadowPlaneMaterial and/or ShadowPlaneBackMaterial are defined
// the PlanarShadowRenderingProvider will also render the 3D plane.
ShadowPlaneMaterial = _shadowPlaneMaterial,
ShadowPlaneBackMaterial = _shadowPlaneBackMaterial,
// Set shadow properties
ShadowColor = Color3.Black,
ShadowTransparency = (float)ShadowTransparencySlider.Value / 100.0f, // default value is 0.65f
// Because shadow is rendered as standard 3D object, we need to offset it from the shadow plane
// to prevent z-fighting problems that occur when two 3D objects are rendered to the same 3D position.
// This value need to be very small so that it is not seen that the shadow is above the plane.
// Default value is 0.01f.
ShadowOffsetFromPlane = 0.01f,
// When using PlanarShadowRenderingProvider we do not need PlanarShadowMeshCreator from Ab3d.PowerToys
// to prepare a special MeshGeometry3D for us. Also PlanarShadowMeshCreator does not need to manually (on the CPU)
// cut the shadow to the plane bounds but this can be done with using hardware accelerated algorithm (using stencil buffer).
// But if we still want to use PlanarShadowMeshCreator we can set the following two properties to false
// (for example if we wanted to use PlanarShadowRenderingProvider just to provide proper transparent shadows).
ApplyShadowMatrix = true,
CutShadowToPlaneBounds = true,
IsCheckingIsCastingShadow = false, // Initially do not check for IsCastingShadow values (this is also a default value). See comments in LoadModel for more info.
//CustomShadowLight = new Ab3d.DirectX.Lights.DirectionalLight(new Vector3(0, -1, 1))
//CustomShadowLight = new Ab3d.DirectX.Lights.PointLight(new Vector3(0, 500, 0), 300)
};
_disposables.Add(_planarShadowRenderingProvider);
MainDXViewportView.DXScene.InitializeShadowRendering(_planarShadowRenderingProvider);
}
_lightHorizontalAngle = 30;
_lightVerticalAngle = 27;
_lightDistance = 500;
_ambientLight = new AmbientLight(System.Windows.Media.Color.FromRgb(40, 40, 40));
_shadowPointLight = new PointLight();
_shadowDirectionalLight = new DirectionalLight();
Camera1.ShowCameraLight = ShowCameraLightType.Never; // prevent adding camera's light
SetShadowLight(isDirectionalLight: true);
UpdateLights();
_loadedModel3D = LoadModel3D();
MainViewport.Children.Add(_loadedModel3D.CreateModelVisual3D());
};
this.PreviewKeyDown += OnPreviewKeyDown;
// This will allow receiving keyboard events
this.Focusable = true;
this.Focus();
this.Unloaded += delegate(object sender, RoutedEventArgs args)
{
_disposables.Dispose();
MainDXViewportView.Dispose();
};
}
