Untitled

using UnityEngine;

public class brickwal : MonoBehaviour
{
    public LayerMask m_DragLayers;

    [Range(0.0f, 100.0f)]
    public float m_Damping = 1.0f;

    [Range(0.0f, 100.0f)]
    public float m_Frequency = 5.0f;

    public bool m_DrawDragLine = true;
    public Color m_Color = Color.cyan;

    private TargetJoint2D m_TargetJoint;

    void Update()
    {

        var worldPos = Camera.main.ScreenToWorldPoint(Input.mousePosition);

        if (Input.GetMouseButtonDown(0))
        {

            var collider = Physics2D.OverlapPoint(worldPos, m_DragLayers);
            if (!collider)
                return;


            var body = collider.attachedRigidbody;
            if (!body)
                return;


            m_TargetJoint = body.gameObject.AddComponent<TargetJoint2D>();
            m_TargetJoint.dampingRatio = m_Damping;
            m_TargetJoint.frequency = m_Frequency;


            m_TargetJoint.anchor = m_TargetJoint.transform.InverseTransformPoint(worldPos);
        }
        else if (Input.GetMouseButtonUp(0))
        {
            Destroy(m_TargetJoint);
            m_TargetJoint = null;
            return;
        }


        if (m_TargetJoint)
        {
            m_TargetJoint.target = worldPos;


            if (m_DrawDragLine)
                Debug.DrawLine(m_TargetJoint.transform.TransformPoint(m_TargetJoint.anchor), worldPos, m_Color);
        }
    }
}