docs(physics2d): Primitives

This commit is contained in:
2024-02-01 12:32:58 +03:00
parent 2b19b24a26
commit 0257911018
6 changed files with 478 additions and 79 deletions

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@@ -4,16 +4,47 @@ using Syntriax.Engine.Core;
namespace Syntriax.Engine.Physics2D.Primitives;
/// <summary>
/// Represents an Axis-Aligned Bounding Box (AABB) in 2D space.
/// </summary>
/// <param name="lowerBoundary">The lower boundary of the <see cref="AABB"/>.</param>
/// <param name="upperBoundary">The upper boundary of the <see cref="AABB"/>.</param>
/// <remarks>
/// Initializes a new instance of the <see cref="AABB"/> struct with the specified lower and upper boundaries.
/// </remarks>
[System.Diagnostics.DebuggerDisplay("LowerBoundary: {LowerBoundary.ToString(), nq}, UpperBoundary: {UpperBoundary.ToString(), nq}")]
public readonly struct AABB(Vector2D LowerBoundary, Vector2D UpperBoundary)
public readonly struct AABB(Vector2D lowerBoundary, Vector2D upperBoundary)
{
public readonly Vector2D LowerBoundary { get; init; } = LowerBoundary;
public readonly Vector2D UpperBoundary { get; init; } = UpperBoundary;
/// <summary>
/// The lower boundary of the <see cref="AABB"/>.
/// </summary>
public readonly Vector2D LowerBoundary = lowerBoundary;
/// <summary>
/// The upper boundary of the <see cref="AABB"/>.
/// </summary>
public readonly Vector2D UpperBoundary = upperBoundary;
/// <summary>
/// Gets the center point of the <see cref="AABB"/>.
/// </summary>
public readonly Vector2D Center => (LowerBoundary + UpperBoundary) * .5f;
/// <summary>
/// Gets the size of the <see cref="AABB"/>.
/// </summary>
public readonly Vector2D Size => LowerBoundary.FromTo(UpperBoundary).Abs();
/// <summary>
/// Gets half the size of the <see cref="AABB"/>.
/// </summary>
public readonly Vector2D SizeHalf => Size * .5f;
/// <summary>
/// Creates an <see cref="AABB"/> from a collection of <see cref="Vector2D"/>s.
/// </summary>
/// <param name="vectors">The collection of <see cref="Vector2D"/>s.</param>
/// <returns>An <see cref="AABB"/> that bounds all the <see cref="Vector2D"/>s.</returns>
public static AABB FromVectors(IEnumerable<Vector2D> vectors)
{
int counter = 0;
@@ -34,13 +65,33 @@ public readonly struct AABB(Vector2D LowerBoundary, Vector2D UpperBoundary)
return new(lowerBoundary, upperBoundary);
}
/// <summary>
/// Checks if two <see cref="AABB"/>s are approximately equal.
/// </summary>
/// <param name="left">The first <see cref="AABB"/>.</param>
/// <param name="right">The second <see cref="AABB"/>.</param>
/// <returns><see cref="true"/> if the <see cref="AABB"/>s are approximately equal; otherwise, <see cref="false"/>.</returns>
public static bool ApproximatelyEquals(AABB left, AABB right)
=> left.LowerBoundary.ApproximatelyEquals(right.LowerBoundary) && left.UpperBoundary.ApproximatelyEquals(right.UpperBoundary);
}
/// <summary>
/// Provides extension methods for the <see cref="AABB"/> struct.
/// </summary>
public static class AABBExtensions
{
/// <summary>
/// Converts a collection of <see cref="Vector2D"/>s to an <see cref="AABB"/>.
/// </summary>
/// <param name="vectors">The collection of <see cref="Vector2D"/>s.</param>
/// <returns>An <see cref="AABB"/> that bounds all the <see cref="Vector2D"/>s.</returns>
public static AABB ToAABB(this IEnumerable<Vector2D> vectors) => AABB.FromVectors(vectors);
/// <summary>
/// Checks if two <see cref="AABB"/>s are approximately equal.
/// </summary>
/// <param name="left">The first <see cref="AABB"/>.</param>
/// <param name="right">The second <see cref="AABB"/>.</param>
/// <returns><see cref="true"/> if the <see cref="AABB"/>s are approximately equal; otherwise, <see cref="false"/>.</returns>
public static bool ApproximatelyEquals(this AABB left, AABB right) => AABB.ApproximatelyEquals(left, right);
}