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85 lines
2.0 KiB
85 lines
2.0 KiB
using UnityEngine;
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using System.Collections;
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using UnityEngine.UI;
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public class magnetGun2 : MonoBehaviour {
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public Camera camera;
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public GameObject crossHair;
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public GameObject gravityWell;
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public thirdPersonController playerController;
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public float magnetMaxRange;
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public float magnetMinRange;
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private Collider gravityTarget;
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// Use this for initialization
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void Start () {
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magnetMinRange += playerController.cameraDistance;
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magnetMaxRange += playerController.cameraDistance;
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}
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// Update is called once per frame
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void Update () {
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RaycastHit target = testItem ();
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if (gravityTarget != null)
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pickUpItem (target);
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}
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//test to see if player can move item
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private RaycastHit testItem(){
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RaycastHit hit;
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//resets cross hair to white
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crossHair.GetComponent<RawImage> ().color = Color.white;
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//cast ray from camera through the crosshair on screen
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Ray ray = camera.ScreenPointToRay (crossHair.transform.position);
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Debug.DrawRay (ray.origin, ray.direction*magnetMaxRange, Color.green);
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// if player can pickup object turn crosshair red
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// if object is close enougth to move with it turn blue;
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if (Physics.Raycast (ray, out hit, magnetMaxRange)) {
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if (hit.collider.tag == "moveable"){
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gravityTarget = hit.collider;
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Debug.DrawRay (ray.origin,ray.direction*magnetMaxRange, Color.red);
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crossHair.GetComponent<RawImage>().color = Color.red;
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if (Vector3.Distance (hit.point, camera.transform.position) <= magnetMinRange) {
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crossHair.GetComponent<RawImage>().color = Color.blue;
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}//end blue
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}//end red
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}//end raycast
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return hit;
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}// end testItem()
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private void pickUpItem(RaycastHit hit){
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Collider item = hit.collider;
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//prepares item to be lifted
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item.attachedRigidbody.useGravity = false;
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item.attachedRigidbody.drag = 3.0f;
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item.attachedRigidbody.constraints = RigidbodyConstraints.FreezeRotation;
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gravityWell.transform.position = item.transform.position;
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transform.LookAt (gravityWell.transform.position, Vector3.up);
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}
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}
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