public RectangleElement()
{
Styles = new VisualElementStyles {
DefaultBorderColor = Color.FromScRgb(1, 1, 0, 0),
SelectedBorderColor = Color.FromScRgb(1, 1, 1, 0),
};
BorderColor = Styles.DefaultBorderColor;
}
/// <summary>
/// Adds two colors together by using the "SRC over DST" blending algorithm by Porter and Duff
/// </summary>
/// <param name="background">The background color</param>
/// <param name="foreground">The foreground color</param>
/// <returns>The sum of two colors including combined alpha</returns>
public static MediaColor AddColors(MediaColor background, MediaColor foreground)
{
//Do not calculate anything when at least one Alpha is 0 also prevents "new_alpha" to become 0 (can't divide through 0)
if (background.A <= 0 && foreground.A <= 0)
{
return(MediaColor.FromArgb(0, 0, 0, 0));
}
if (background.A <= 0)
{
return(foreground);
}
if (foreground.A <= 0)
{
return(background);
}
float new_alpha = (background.ScA + foreground.ScA) - (background.ScA * foreground.ScA);
var bg_a = CorrectWithAlpha(background);
var fg_a = CorrectWithAlpha(foreground);
var color_final_a = MediaColor.FromScRgb(1, 1, 1, 1);
color_final_a.ScR = fg_a.ScR + (bg_a.ScR * (1 - foreground.ScA));
color_final_a.ScG = fg_a.ScG + (bg_a.ScG * (1 - foreground.ScA));
color_final_a.ScB = fg_a.ScB + (bg_a.ScB * (1 - foreground.ScA));
var color_final = MediaColor.FromScRgb(0, 0, 0, 0);
color_final.ScR = color_final_a.ScR / new_alpha;
color_final.ScG = color_final_a.ScG / new_alpha;
color_final.ScB = color_final_a.ScB / new_alpha;
color_final.ScA = new_alpha;
return(color_final);
}
private void SetBorderColor(float a, float r, float g, float b)
{
SetBorderColor(Color.FromScRgb(a, r, g, b));
}
public MainViewModel()
{
EffectsManager = new DefaultEffectsManager();
// camera setup
Camera = new PerspectiveCamera
{
Position = new Point3D(0, -2000, 400),
LookDirection = new Vector3D(0, 2000, 0),
UpDirection = UpDirection,
FarPlaneDistance = 5000000,
};
// setup lighting
//SkyboxTexture = LoadFileToMemory("Cubemap_Grandcanyon.dds");
LightDirection = new Vector3D(0, -0.5, -1);
LightDirection.Normalize();
SetHeadLight();
AmbientLightColor = Colors.White * 1000;
DirectionalLightColor = Color.FromScRgb(1, 10, 10, 10);
BackgroundColor = Color.FromRgb(40, 40, 40);
// model transform
ModelTransform = Transform3D.Identity;
//var r = new System.Windows.Media.Media3D.AxisAngleRotation3D(new Vector3D(0, 0, 1), 90);
//EnvironmentTransform = new System.Windows.Media.Media3D.RotateTransform3D(r);
// model materials
var material = new PBRMaterial();
material.AlbedoColor = new Color4(0.8f, 0.4f, 0.05f, 1f);
material.MetallicFactor = 0.2;
material.ReflectanceFactor = 0.8;
material.RenderEnvironmentMap = false;
material.AmbientOcclusionFactor = 1;
// floor plane grid
Grid = LineBuilder.GenerateGrid(new Vector3(0, 0, 1), -10, 10, -10, 10);
GridColor = Color.FromRgb(100, 100, 100);
GridTransform = new System.Windows.Media.Media3D.ScaleTransform3D(100, 100, 100);
// commands
UpZCommand = new RelayCommand(_ => { Log = "test switch"; });
// robot program
var test = new TestProgram();
Program = test.Program;
Log = Program.Errors.Count == 0 ? Program.RobotSystem.Name : string.Join(" ", Program.Errors);
// make robot
var cell = Program.RobotSystem as Robots.RobotCell;
var group = cell.MechanicalGroups.First();
var meshes = group.Joints.Select(j => j.Mesh).Prepend(group.Robot.BaseMesh);
_origins = group.Joints.Select(j => j.Plane).Prepend(group.Robot.BasePlane).ToArray();
foreach (var joint in meshes)
{
var model = new MeshGeometryModel3D();
model.Geometry = joint.ToWPF();
model.Material = material;
model.Transform = Transform3D.Identity;
model.IsThrowingShadow = true;
RobotModels.Add(model);
}
// timer
_timer = new Timer(Tick, null, Timeout.Infinite, 0);
}
/// <summary>
/// Multiplies all non-alpha values by alpha.
/// </summary>
/// <param name="color">Color to correct</param>
/// <returns>Corrected Color</returns>
public static MediaColor CorrectWithAlpha(MediaColor color)
{
return(MediaColor.FromScRgb(1, (color.ScR * color.ScA), (color.ScG * color.ScA), (color.ScB * color.ScA)));
}
