How do I check if something is overlapping a mesh?

Unity Engine
, ,
1

I am trying to make a modifiable hitbox for the player in a 2d game, and I drew a mesh like so as an example:

void DrawSideAttack()
{
    Mesh m = new Mesh();

    m.vertices = new Vector3[6]
    {
        new Vector3(rb.position.x, rb.position.y + 1f, 0f),
        new Vector3(rb.position.x, rb.position.y - 1f, 0f),
        new Vector3(sideAttackTransform.position.x, sideAttackTransform.position.y - 0.25f, 0f),
        new Vector3(rb.position.x, rb.position.y + 1f, 0f),
        new Vector3(sideAttackTransform.position.x, sideAttackTransform.position.y - 0.25f, 0f),
        new Vector3(sideAttackTransform.position.x, sideAttackTransform.position.y + 0.25f, 0f)
    };

    m.triangles = new int[]
    {
        0, 1, 2, 3, 4, 5
    };

    m.normals = new Vector3[]
    {
        Vector3.forward,
        Vector3.forward,
        Vector3.forward,
        Vector3.forward,
        Vector3.forward,
        Vector3.forward
    };

    m.colors = new Color[6]
    {
        Color.red, Color.red, Color.red, Color.red, Color.red, Color.red
    };

    Graphics.DrawMeshNow(m, Vector3.zero, Quaternion.identity);

    DestroyImmediate(m);
}

I’m wondering if there is any way to use Collider2D or Physics2D to check if there is anything overlapping this mesh to deal damage to enemies.

I’m also wondering if there’s a better way to go about creating an attack with variable amounts of vertices and sizes.

Thank you!

2

Mesh Collider is probably what you’re looking for.

Edit: My bad I see you’re working in 2D. Polygon Collider 2D would be more useful in that case.