smrendererv3/SMCode/SM.OGL/Mesh/BoundingBox.cs
2020-09-27 13:01:50 +02:00

72 lines
No EOL
2.1 KiB
C#

using System;
using System.Runtime.CompilerServices;
using OpenTK;
namespace SM.OGL.Mesh
{
/// <summary>
/// Contains information about bounding boxes of meshes
/// </summary>
public class BoundingBox
{
/// <summary>
/// The minimum corner.
/// </summary>
public Vector3 Min = Vector3.Zero;
/// <summary>
/// The maximum corner.
/// </summary>
public Vector3 Max = Vector3.Zero;
/// <summary>
/// Returns specific configurations of corners
/// </summary>
/// <param name="x">If true, it takes the X-value of maximum, otherwise the minimum.</param>
/// <param name="y">If true, it takes the Y-value of maximum, otherwise the minimum.</param>
/// <param name="z">If true, it takes the Z-value of maximum, otherwise the minimum.</param>
/// <returns></returns>
public Vector3 this[bool x, bool y, bool z] => new Vector3(x ? Max.X : Min.X, y ? Max.Y : Min.Y, z ? Max.Z : Min.Z);
/// <summary>
/// Empty constructor
/// </summary>
public BoundingBox() {}
/// <summary>
/// Creates the bounding box with predefined min and max values
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public BoundingBox(Vector3 min, Vector3 max)
{
Min = min;
Max = max;
}
/// <summary>
/// Updates the bounding box.
/// </summary>
/// <param name="vector"></param>
public void Update(Vector2 vector)
{
for (int i = 0; i < 2; i++)
{
Min[i] = Math.Min(Min[i], vector[i]);
Max[i] = Math.Max(Max[i], vector[i]);
}
}
/// <summary>
/// Updates the bounding box.
/// </summary>
/// <param name="vector"></param>
public void Update(Vector3 vector)
{
for (int i = 0; i < 3; i++)
{
Min[i] = Math.Min(Min[i], vector[i]);
Max[i] = Math.Max(Min[i], vector[i]);
}
}
}
}