public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
if ((values != null) &&
(values.Length == 3) &&
(values[0] is EffectsManager effectManager) &&
(values[1] is WColor startColor) &&
(values[2] is WColor stopColor))
{
var c1 = new SXColor(startColor.R, startColor.G, startColor.B, startColor.A);
var c2 = new SXColor(stopColor.R, stopColor.G, stopColor.B, stopColor.A);
var stream = BitmapExtensions.CreateLinearGradientBitmapStream(effectManager,
128,
128,
Direct2DImageFormat.Bmp,
new Vector2(0, 0),
new Vector2(0, 128),
new SharpDX.Direct2D1.GradientStop[]
{
new SharpDX.Direct2D1.GradientStop()
{
Color = c1, Position = 0f
},
new SharpDX.Direct2D1.GradientStop()
{
Color = c2, Position = 1f
}
});
return(new TextureModel(stream));
}
else
{
throw new ArgumentException();
}
}
public MainViewModel()
{
EffectsManager = new DefaultEffectsManager();
// titles
Title = "Simple Demo";
SubTitle = "WPF & SharpDX";
// camera setup
Camera = new PerspectiveCamera {
Position = new Point3D(3, 3, 5),
LookDirection = new Vector3D(-3, -3, -5),
UpDirection = new Vector3D(0, 1, 0),
FarPlaneDistance = 5000000
};
// setup lighting
AmbientLightColor = Colors.DimGray;
DirectionalLightColor = Colors.White;
DirectionalLightDirection = new Vector3D(-2, -5, -2);
// floor plane grid
Grid = LineBuilder.GenerateGrid(new Vector3(0, 1, 0), -5, 5, -5, 5);
GridColor = Colors.Black;
GridTransform = new Media3D.TranslateTransform3D(0, -3, 0);
// scene model3d
var b1 = new MeshBuilder();
b1.AddSphere(new Vector3(0, 0, 0), 0.5);
b1.AddBox(new Vector3(0, 0, 0), 1, 0.5, 2, BoxFaces.All);
var meshGeometry = b1.ToMeshGeometry3D();
meshGeometry.Colors = new Color4Collection(meshGeometry.TextureCoordinates.Select(x => x.ToColor4()));
Model = meshGeometry;
// lines model3d
var e1 = new LineBuilder();
e1.AddBox(new Vector3(0, 0, 0), 1, 0.5, 2);
Lines = e1.ToLineGeometry3D();
var textBuilder = new MeshBuilder();
textBuilder.ExtrudeText("HelixToolkit.SharpDX", "Arial", System.Windows.FontStyles.Normal, System.Windows.FontWeights.Bold,
14, new Vector3(1, 0, 0), new Vector3(0, 0, 0), new Vector3(0, 0, 1));
TextModel = textBuilder.ToMesh();
// model trafos
Model1Transform = new Media3D.TranslateTransform3D(0, 0, 0);
Model2Transform = new Media3D.TranslateTransform3D(-2, 0, 0);
Model3Transform = new Media3D.TranslateTransform3D(+2, 0, 0);
Model4Transform = new Media3D.TranslateTransform3D(-8, 0, -5);
// model materials
RedMaterial = PhongMaterials.Red;
GreenMaterial = PhongMaterials.Green;
BlueMaterial = PhongMaterials.Blue;
//var diffColor = this.RedMaterial.DiffuseColor;
//diffColor.Alpha = 0.5f;
//this.RedMaterial.DiffuseColor = diffColor;
Points = new PointGeometry3D();
var ptPos = new Vector3Collection();
var ptIdx = new IntCollection();
for (int x = 0; x < 10; x++)
{
for (int y = 0; y < 10; y++)
{
for (int z = 0; z < 10; z++)
{
ptIdx.Add(ptPos.Count);
ptPos.Add(new Vector3(x, y, z));
}
}
}
Points.Positions = ptPos;
Points.Indices = ptIdx;
Text = new BillboardText3D();
int numRows = 11;
int numColumns = 11;
string[] texts = new string[]
{
"HelixToolkit",
"abcde",
"random",
"SharpDX",
"DirectX"
};
float angle = 0;
for (var i = 0; i < numRows; i++)
{
for (var j = 0; j < numColumns; j++)
{
angle += (float)Math.PI / 10;
Text.TextInfo.Add(new TextInfo(texts[(i + j) % texts.Length], new Vector3((i - numRows / 2), 0.0f, (j - numColumns / 2)))
{
Foreground = new Color4((float)i / numRows, 1 - (float)i / numRows, (float)(numColumns - j) / numColumns, 1f),
Background = new Color4(1 - (float)i / numRows, (float)(numColumns - j) / numColumns, (float)i / numRows, 0.8f),
Scale = Math.Max(0.01f, (float)i / numRows * 0.02f),
Angle = angle
});
}
}
Billboard1Model = new BillboardSingleText3D()
{
TextInfo = new TextInfo("Model 1", new Vector3(0, 1, 0))
{
Angle = 0
},
FontColor = Colors.Blue.ToColor4(),
FontSize = 12,
BackgroundColor = Colors.Plum.ToColor4(),
FontStyle = System.Windows.FontStyles.Italic,
Padding = new System.Windows.Thickness(2),
};
var background = Colors.Blue;
background.A = (byte)120;
Billboard2Model = new BillboardSingleText3D()
{
TextInfo = new TextInfo("Model 2", new Vector3(2, 1, 0))
{
Angle = -(float)Math.PI / 3
},
FontSize = 12,
FontColor = Colors.Green.ToColor4(),
BackgroundColor = background.ToColor4(),
FontWeight = System.Windows.FontWeights.Bold,
Padding = new System.Windows.Thickness(2),
};
background = Colors.Purple;
background.A = (byte)50;
Billboard3Model = new BillboardSingleText3D(2, 0.8f)
{
TextInfo = new TextInfo("Model 3", new Vector3(-2, 1, 0))
{
Angle = -(float)Math.PI / 6
},
FontSize = 12,
FontColor = Colors.Red.ToColor4(),
BackgroundColor = background.ToColor4(),
FontFamily = "Times New Roman",
FontStyle = System.Windows.FontStyles.Italic,
Padding = new System.Windows.Thickness(2),
};
//BillboardImageModel = new BillboardSingleImage3D(CreateBitmapSample()) { MaskColor = Color.Black };
BillboardImageModel = new BillboardSingleImage3D(CreatePNGSample(), 1, 1)
{
Angle = -(float)Math.PI / 5
};
BillboardImageModel.Center = new Vector3(2, 2, 0);
UpXCommand = new RelayCommand(x => { UpDirection = new Vector3D(1, 0, 0); });
UpYCommand = new RelayCommand(x => { UpDirection = new Vector3D(0, 1, 0); });
UpZCommand = new RelayCommand(x => { UpDirection = new Vector3D(0, 0, 1); });
BackgroundTexture =
BitmapExtensions.CreateLinearGradientBitmapStream(EffectsManager, 128, 128, Direct2DImageFormat.Bmp,
new Vector2(0, 0), new Vector2(0, 128), new SharpDX.Direct2D1.GradientStop[]
{
new SharpDX.Direct2D1.GradientStop()
{
Color = Colors.White.ToColor4(), Position = 0f
},
new SharpDX.Direct2D1.GradientStop()
{
Color = Colors.DarkGray.ToColor4(), Position = 1f
}
});
}
/// <summary>
/// Initializes a new instance of the MainViewModel class.
/// </summary>
public MainViewModel()
{
////if (IsInDesignMode)
////{
//// // Code runs in Blend --> create design time data.
////}
////else
////{
//// // Code runs "for real"
////}
//GenerateFibonacciSphereCommand = new RelayCommand(() => CreateFibonacciSphereMesh(),() => true,true);
EffectsManager = new DefaultEffectsManager();
// titles
// camera setup
Camera = new PerspectiveCamera {
Position = new Point3D(3, 3, 5),
LookDirection = new Vector3D(-3, -3, -5),
UpDirection = new Vector3D(0, 1, 0),
FarPlaneDistance = 5000000
};
// setup lighting
AmbientLightColor = Color.White;
DirectionalLightColor = Color.White;
DirectionalLightDirection = new Vector3D(-2, -5, -2);
//// scene model3d
//var b1 = new MeshBuilder();
//b1.AddSphere(new Vector3(0, 0, 0), 0.5);
//b1.AddBox(new Vector3(0, 0, 0), 1, 0.5, 2, BoxFaces.All);
//var meshGeometry = b1.ToMeshGeometry3D();
//meshGeometry.Colors = new Color4Collection(meshGeometry.TextureCoordinates.Select(x => x.ToColor4()));
//Model = meshGeometry;
//// lines model3d
var e1 = new LineBuilder();
e1.AddBox(new Vector3(0, 0, 0), 1, 0.5, 2);
VertexColorMaterial = new VertColorMaterial();
RedMaterial = PhongMaterials.BlackPlastic;
//var diffColor = this.RedMaterial.DiffuseColor;
//diffColor.Alpha = 0.5f;
//this.RedMaterial.DiffuseColor = diffColor;
Points = new PointGeometry3D();
BackgroundTexture =
BitmapExtensions.CreateLinearGradientBitmapStream(EffectsManager, 128, 128, Direct2DImageFormat.Bmp,
new Vector2(0, 0), new Vector2(0, 128), new SharpDX.Direct2D1.GradientStop[]
{
new SharpDX.Direct2D1.GradientStop()
{
Color = Color.DarkGray, Position = 0f
},
new SharpDX.Direct2D1.GradientStop()
{
Color = Color.Black.ToColor4(), Position = 1.0f
}
});
SubdividedIcosahedronCommand = new RelayCommand(CreateSubdividedIcosahedron);
}