unity 2d detect click on sprite
if (Input.GetMouseButtonDown(0)) {
Vector3 mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
Vector2 mousePos2D = new Vector2(mousePos.x, mousePos.y);
RaycastHit2D hit = Physics2D.Raycast(mousePos2D, Vector2.zero);
if (hit.collider != null) {
Debug.Log(hit.collider.gameObject.name);
hit.collider.attachedRigidbody.AddForce(Vector2.up);
}