Seminar_Cable_Joints_Unity/Assets/Extensions.cs

21 lines
712 B
C#

using UnityEngine;
public static class Extensions
{
public static ComponentA GetOrAddComponent<ComponentA>(this GameObject gameObject)
where ComponentA : Component {
ComponentA result = gameObject.GetComponent<ComponentA>();
return result == null ? gameObject.AddComponent<ComponentA>() : result;
}
public static Vector2 Position2d(this Transform t) {
Vector3 pos = t.position;
return new Vector2(pos.x, pos.y);
}
public static float ActualDistanceInWorld(this DistanceJoint2D dist) {
return (dist.transform.TransformPoint(dist.anchor) -
dist.connectedBody.transform.TransformPoint(dist.connectedAnchor)).magnitude;
}
}