/// <summary>
/// Creates between 5 and 20 3D shapes.
/// </summary>
/// <returns>An array with 5 to 20 3D shapes</returns>
private static Shape3D[] Randomize3DShapes()
{
Random random = new Random();
int numShapes = random.Next(5, 21);
Shape3D[] shapes = new Shape3D[numShapes];
for (int i = 0; i < numShapes; i++)
{
switch (random.Next(0, 3))
{
case 0:
shapes[i] = new Cuboid(Extensions.NextDouble(random, 5.0, 100.0), Extensions.NextDouble(random, 5.0, 100.0), Extensions.NextDouble(random, 5.0, 100.0));
break;
case 1:
shapes[i] = new Cylinder(Extensions.NextDouble(random, 5.0, 100.0), Extensions.NextDouble(random, 5.0, 100.0), Extensions.NextDouble(random, 5.0, 100.0));
break;
case 2:
shapes[i] = new Sphere(Extensions.NextDouble(random, 5.0, 100.0));
break;
}
}
Array.Sort(shapes);
return(shapes);
}
private static Shape3D[] Randomize3DShapes()
{
Random randomInstance = new Random();
int numberOfFiguers = randomInstance.Next(5, 21);
Shape3D[] returnArray = new Shape3D[numberOfFiguers];
for (int i = 0; i < numberOfFiguers; i++)
{
int randomShape = randomInstance.Next(3, 6);
double height = (randomInstance.NextDouble() * (99 - 5) + 5);
double length = (randomInstance.NextDouble() * (99 - 5) + 5);
double width = (randomInstance.NextDouble() * (99 - 5) + 5);
switch (randomShape)
{
case 3:
returnArray[i] = new Cuboid(length, width, height);
break;
case 4:
returnArray[i] = new Cylinder(length, width, height);
break;
case 5:
returnArray[i] = new Sphere(length);
break;
}
}
return(returnArray);
}
public int CompareTo(object obj)
{
int result;
Shape3D objShape3D = obj as Shape3D;
if (obj == null)
{
return(1);
}
if (!(obj is Shape3D))
{
throw new ArgumentException("parametern i CompareTo är inte av typen Shape3D");
}
result = Volume.CompareTo(objShape3D.Volume);
return(result);
}
/// <summary>
/// Compares this shape with another object, to help sorting methods sort it.
/// </summary>
/// <param name="obj">Object to compare this shape with</param>
/// <returns>
/// 1 if this shapes area is bigger than the objects
/// 0 if this shapes area is the same as the objects
/// -1 if this shapes area is smaller than the objects
/// </returns>
public int CompareTo(object obj)
{
if (obj == null)
{
return(1);
}
Shape3D otherShape3D = obj as Shape3D;
if (otherShape3D != null)
{
return(this.Volume.CompareTo(otherShape3D.Volume));
}
else
{
throw new FormatException();
}
}
/// <summary>
/// Returns 5-20 random 3d shapes that have sides of 5-100
/// </summary>
public static Shape3D[] Randomize3DShapes()
{
int numberOfShapes = random.Next(5, 21);
Shape3D[] shapes = new Shape3D[numberOfShapes];
for (int i = 0; i < numberOfShapes; i++) {
Shape3D shape;
switch (random.Next(3, 6)) {
case 3:
shape = new Cuboid(random.NextDouble(5, 100), random.NextDouble(5, 100), random.NextDouble(5, 100));
break;
case 4:
shape = new Cylinder(random.NextDouble(5, 50), random.NextDouble(5, 50), random.NextDouble(5, 100));
break;
case 5:
shape = new Sphere(random.NextDouble(5, 50));
break;
default:
shape = null;
break;
}
shapes[i] = shape;
}
return shapes;
}