Detecting Collision is not working

Questions & Answers
1

I Am trying to move the ball when the key “I” is pressed when making contact with the players, this is my code which is not working

using UnityEngine;
using System.Collections;

public class KickForce : MonoBehaviour {

	// Use this for initialization
	void Start () {
	
	}
	
	// Update is called once per frame
	void Update () {

	}

	void OnCollisionEnter (Collision col) {

		if(col.gameObject.tag == "Player")
		{
			if (Input.GetKey ("i")) {
				transform.Translate(Vector3.right * Time.deltaTime * 10);
			}
		}
	}
}
2

“The biggest difference between manipulating the Transform versus the Rigidbody is the use of forces. Rigidbodies can receive forces and torque, but Transforms cannot. Transforms can be translated and rotated, but this is not the same as using physics. You’ll notice the distinct difference when you try it for yourself. Adding forces/torque to the Rigidbody will actually change the object’s position and rotation of the Transform component. This is why you should only be using one or the other. Changing the Transform while using physics could cause problems with collisions and other calculations.” (http://docs.unity3d.com/Manual/class-Rigidbody.html)

That is your problem. You should not move rigidbody wit transform.Translate(Vector3.right * Time.deltaTime * 10); Use Forces, or now collision will be detecteable.