Created
February 7, 2017 23:48
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| using UnityEngine; | |
| //makes sure object has this componentes | |
| [RequireComponent(typeof(Rigidbody2D),typeof(SpringJoint2D),typeof(LineRenderer))] | |
| public class grapplinghook : MonoBehaviour { | |
| SpringJoint2D joint; | |
| LineRenderer lr; | |
| [SerializeField] | |
| float step = .1f; | |
| //tells whether or not rope is active | |
| bool state=false; | |
| Vector3 anchorPos; | |
| void Start () { | |
| //Sets Conponents and their parameters | |
| lr = GetComponent<LineRenderer> (); | |
| lr.numPositions=2; | |
| lr.startWidth = .1f; | |
| lr.endWidth = .1f; | |
| joint = GetComponent<SpringJoint2D> (); | |
| joint.frequency = 1000000; | |
| } | |
| // Update is called once per frame | |
| void Update () { | |
| //Create Rope | |
| if (Input.GetMouseButtonDown (0)) { | |
| Grapple (true); | |
| } | |
| else if (Input.GetMouseButtonUp(0)) | |
| { | |
| //Delete Rope | |
| Grapple(false); | |
| } | |
| //If E is pressed rope shrinks | |
| if (Input.GetKey (KeyCode.E)) { | |
| joint.distance -= step; | |
| } | |
| else if (Input.GetKeyUp (KeyCode.E)) { | |
| //delete rope | |
| Grapple (false); | |
| } | |
| //if rope is active, it updates rope position | |
| if (state) { | |
| lr.SetPosition (0, transform.position); | |
| lr.SetPosition (1, anchorPos); | |
| } | |
| } | |
| void Grapple(bool state) | |
| { | |
| //enables/disables components | |
| joint.enabled = state; | |
| lr.enabled = state; | |
| //if rope is active sets its anchor point | |
| if (state==true) { | |
| anchorPos = Input.mousePosition; | |
| anchorPos.z = 10; | |
| anchorPos = Camera.main.ScreenToWorldPoint (anchorPos); | |
| joint.connectedAnchor = anchorPos; | |
| } | |
| } | |
| } |
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