Drag and drop an object via finger touch unity3d

Questions & Answers
1

I am new in Unity3d. I am making a 3d game. In this game I would like to be able to drag and drop an object.
I have a youtube link. It’s about 1 minute. This video presents what I want to do exactly.

Link: River Crossing IQ Logic 8 answer - YouTube

Please help me solve this problem.

2

void OnMouseDrag(){

FLOAT DISTANSE=10F;

	Vector3 mouseposition = new Vector3 (Input.mousePosition.x, Input.mousePosition.y, distance);

	Vector3 objectposition = Camera.main.ScreenToWorldPoint(mouseposition);

	transform.position = objectposition;

}

//attach this script to the object that what you need to drag.

3

Thanks Veerababu.g’s… But it does not working for me… I humbly request you to please visit the link that I have share in question block, You can deeply and clearly understand my actual problem.