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Merge pull request #95790 from aaronfranke/rect-aabb-support

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Simplify Rect2/AABB `get_support` function
This commit is contained in:
Rémi Verschelde
2024-08-22 00:10:39 +02:00
parent 100fbb51ab 7db24a9ad5
commit 39b77ea04e
11 changed files with 97 additions and 35 deletions
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21
modules/mono/glue/GodotSharp/GodotSharp/Core/Aabb.cs
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@ -314,13 +314,20 @@ namespace Godot
/// <returns>A vector representing the support.</returns>
public readonly Vector3 GetSupport(Vector3 dir)
{
Vector3 halfExtents = _size * 0.5f;
Vector3 ofs = _position + halfExtents;
return ofs + new Vector3(
dir.X > 0f ? halfExtents.X : -halfExtents.X,
dir.Y > 0f ? halfExtents.Y : -halfExtents.Y,
dir.Z > 0f ? halfExtents.Z : -halfExtents.Z);
Vector3 support = _position;
if (dir.X > 0.0f)
{
support.X += _size.X;
}
if (dir.Y > 0.0f)
{
support.Y += _size.Y;
}
if (dir.Z > 0.0f)
{
support.Z += _size.Z;
}
return support;
}
/// <summary>

20
modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2.cs
View File

@ -171,6 +171,26 @@ namespace Godot
return _position + (_size * 0.5f);
}
/// <summary>
/// Returns the support point in a given direction.
/// This is useful for collision detection algorithms.
/// </summary>
/// <param name="direction">The direction to find support for.</param>
/// <returns>A vector representing the support.</returns>
public readonly Vector2 GetSupport(Vector2 direction)
{
Vector2 support = _position;
if (direction.X > 0.0f)
{
support.X += _size.X;
}
if (direction.Y > 0.0f)
{
support.Y += _size.Y;
}
return support;
}
/// <summary>
/// Returns a copy of the <see cref="Rect2"/> grown by the specified amount
/// on all sides.