public static IBasicShape MapApiToDomain(ShapeDto input)
{
IBasicShape output = null;
switch (input.Type)
{
case ShapeDto.ShapeType.Sphere:
// TODO: worth normalizing Shape instantiation e.g. new()
output = Sphere.CreateDefaultInstance();
break;
case ShapeDto.ShapeType.Plane:
output = new Plane();
break;
default:
throw new ArgumentOutOfRangeException(nameof(input.Type), "Unrecognized shape type: " + input.Type);
}
if (input.Material != null)
{
output.Material = MaterialFactory.MapApiToDomain(input.Material);
}
if (input.Transformations != null && input.Transformations.Any())
{
foreach (var transform in input.Transformations)
{
var domainTransformAction = TransformationFactory.MapApiTransformToDomainAction(transform);
domainTransformAction(output.Transformation);
}
}
return(output);
}
public IntersectionDto(Model.Ray ray, IBasicShape shape, float distanceT)
{
Ray = ray;
Shape = shape;
DistanceT = distanceT;
TangentialIntersection = false;
RayOrigin = RaysOrigin.Normal;
}
public static void DrawSphere(string outputBitmapFilePath, IMatrixTransformationBuilder transformation)
{
// Rough and ready. Fully following the pseudocode from the text.
// Basically:
// For each pixel on the canvas, figure out the ray (direction) from there
// back to the origin of the emitting ray (light source).
// Then calculate the hit (first intersection), if any. If it's a hit then
// that pixel on the canvas gets drawn.
// The rest of the code is just pixel conversion e.g. determining what "1"
// represents in terms of numbers of pixels and also converting the half above /
// half below of the sphere to a non-negative set of pixels for drawing.
// inputs: could encapsulate in class to cleanup the code.
var ray_origin = new Vector4(0F, 0F, -5F, 1F);
var wall_z = 10F;
var wall_size = 7.0F;
IBasicShape shape = Sphere.CreateDefaultInstance();
shape.Transformation = transformation;
#pragma warning disable CS0618 // Type or member is obsolete
var xs = new SceneIntersectionCalculator(new List <IBasicShape> {
shape
});
#pragma warning restore CS0618 // Type or member is obsolete
var canvas_pixels = 100;
var pixel_size = wall_size / canvas_pixels;
var half = wall_size / 2;
var color = Color.FromScRgb(1.0F, 0.0F, 0.0F, 1.0F).Simplify();
using var canvas = new System.Drawing.Bitmap(canvas_pixels, canvas_pixels);
for (int y = 0; y < canvas_pixels; y++)
{
var world_y = half - pixel_size * y;
for (int x = 0; x < canvas_pixels; x++)
{
var world_x = -half + pixel_size * x;
var position = new Vector4(world_x, world_y, wall_z, 1F);
var r = new Domain.Model.Ray(
ray_origin,
Vector4.Normalize(position - ray_origin));
if (xs.CalculateHit(r).HasValue)
{
canvas.SetPixel(x, y, color);
}
}
}
canvas.Save(outputBitmapFilePath);
}
private IBasicShape MakeBackground()
{
IBasicShape backgroundShape = MakeShapeStub(_presentationInfo);
backgroundShape.Width = _presentationInfo.Width;
backgroundShape.ColorType = ShapeType.Inactive;
return(backgroundShape);
}
public void ComputeCalculations(IBasicShape basicShape)
{
NumberOf++;
Area += basicShape.GetArea();
Perimeter += basicShape.GetPerimeter();
var textToPrint = TypeOfTheGrouppedShapes.GetProperty("TextToPrint");
var textToPrintValue = textToPrint?.GetValue(basicShape).ToString();
TextToPrint = string.Format(textToPrintValue, NumberOf, Area.ToString("#.##"), Perimeter.ToString("#.##"));
}
private IBasicShape MakeProgressBar(int currentPosition)
{
IBasicShape backgroundShape = MakeShapeStub(_presentationInfo);
if (_presentationInfo.DisableOnFirstSlide)
{
currentPosition -= 1;
}
backgroundShape.Width = (CalculateWidthOfBarOnOneSlide()) * currentPosition;
backgroundShape.ColorType = ShapeType.Active;
return(backgroundShape);
}
private static Func <GrouppedShapes, bool> GrouppedShapesInList(IBasicShape basicShape) => grouppedShapes => grouppedShapes.TypeOfTheGrouppedShapes == basicShape.GetType();
public void ComputeCalculations(GrouppedShapes grouppedShapes, IBasicShape basicShape)
{
grouppedShapes.ComputeCalculations(basicShape);
}
public GrouppedShapes GetGrouppedShapesElement(IBasicShape basicShape) => _instance.FirstOrDefault(GrouppedShapesInList(basicShape));
public bool HasGrouppedShapesInList(IBasicShape basicShape) => _instance.Any(GrouppedShapesInList(basicShape));
public void InitializationValues_SetOnSphereInstance()
{
_sphereInstance = Sphere.CreateDefaultInstance(true);
}
