C# UnityEngine.RaycastHit类代码示例

 //private int MaskLayer; // excludes hits to only objects here.
 //private float RayDistance;
 public HitManager(Camera asSeenByCamera)
 {
     Hit = new RaycastHit();
     //RayDistance = Mathf.Infinity;
     //MaskLayer = Physics.kDefaultRaycastLayers;
     SetHitCamera(asSeenByCamera);
 }

    //Fixed Update is called every __ seconds, Edit Project Settings Time Fixed TimeStamp
    //Movement
    void FixedUpdate()
    {
        if (Input.GetKey (KeyCode.UpArrow)){
            GetComponent<Rigidbody>().AddForce(GetComponent<Transform>().forward *2f, ForceMode.VelocityChange);
        }

        if (Input.GetKey (KeyCode.LeftArrow)) {
            GetComponent<Rigidbody>().AddForce(GetComponent<Transform>().right *2f, ForceMode.VelocityChange);
            //transform.Rotate(new Vector3(0f,-5f,0f));
        }
        if (Input.GetKey (KeyCode.RightArrow)) {
            GetComponent<Rigidbody>().AddForce(GetComponent<Transform>().right *-2f, ForceMode.VelocityChange);
            //transform.Rotate(new Vector3(0f,5f,0f));
        }

        //transform.position = GetComponent<Transform>
        Ray ray = new Ray (transform.position, -Vector3.up);
        //to know where and what the raycast hit , we have to store that impact info
        RaycastHit rayHit = new RaycastHit (); //Blank Container for Info

        if (Physics.Raycast (ray, out rayHit, 1.1f))
        {
            if (Input.GetKey (KeyCode.RightShift))
            {
                GetComponent<Rigidbody> ().AddForce (new Vector3 (0f, 5000f, 0f), ForceMode.Acceleration);
                Debug.Log (rayHit.point);
                //Destroy (rayHit.collider.gameObject);
            }
        }
    }

    void FixedUpdate()
    {
        //		foreach (GameObject, mouseObject in GameManager.allTheMice, GameManager.alltheMice) {
        for (int i=0; i<GameManager.allTheMice.Count; i++) {

            GameObject mouseTransform = GameManager.allTheMice[i];
            Vector3 directionToMouse = mouseTransform.transform.position - transform.position;
            float angle = Vector3.Angle (directionToMouse, transform.forward);

            if (angle < 90f) {
                Ray catRay = new Ray (transform.position, directionToMouse);
                RaycastHit catRayHitInfo = new RaycastHit ();

                if (Physics.Raycast (catRay, out catRayHitInfo, 30f)) {
                    Debug.DrawRay (catRay.origin, catRay.direction);

                    if (catRayHitInfo.collider.tag == "Mouse") {

                        if (catRayHitInfo.distance < 3f) {
                            GameManager.allTheMice.Remove(mouseTransform);
                            Destroy (mouseTransform);
                            eating.Play();
                        }
                        else {
                            rbodyCat.AddForce (directionToMouse.normalized * 1000f);
                            boss1.Play();
                        }
                    }
                }
            }
        }
    }

 // Update is called once per frame
 void Update()
 {
     Ray playerRay = new Ray (transform.position + new Vector3(0f, 30, 0f), transform.forward);
     RaycastHit hit = new RaycastHit();
     if (Physics.Raycast (playerRay, out hit, 100f)) {
         //npcTextPrefab.text = "LOL";
         Debug.DrawRay ( playerRay.origin, playerRay.direction * hit.distance, Color.blue);
         //if the item the raycast is hitting the TV
         if (hit.transform.gameObject.tag == "TV") {
             //if player has object required to interact with TV then...
             if (girlItems.ContainsKey ("Scissors")) {
                 if (Input.GetKeyDown (KeyCode.G)) {
                     Destroy (hit.transform.gameObject);
                     Destroy (transform.Find ("Scissors").gameObject);
                     girlItems.Remove ("Scissors");
                     //Destroy
                 }
             }
         }
         if ( hit.transform.gameObject.tag == "toilet" ) {
             if (girlItems.ContainsKey("Cake")) {
                 if ( Input.GetKeyDown (KeyCode.E) ) {
                     Destroy (hit.transform.gameObject);
                     Destroy (transform.Find ("Cake").gameObject);
                     girlItems.Remove ("Cake");
                 }
             }
         }
     }
 }

    public override void DoPolish()
    {
        vectorToPlayer = Camera.main.transform.position - transform.position - Vector3.Project (Camera.main.transform.position - transform.position,Vector3.up);
        vectorToPlayer.Normalize ();

        Vector3 cameraRelativeVelocity = Vector3.Project (rigidbody.velocity  ,Camera.main.transform.right);

        if(interpolateCamera){
            //Focus camera on ball. Ideally this code would be in a proper CameraController class. However, for the purposes of this exercise, we are keeping all relevant code in one single file.
            Camera.main.transform.rotation = Quaternion.Lerp (Camera.main.transform.rotation,Quaternion.LookRotation(transform.position + cameraRelativeVelocity*cameraHorizontalOffsetPerSpeed + Camera.main.transform.up*cameraVerticalOffSet - Camera.main.transform.position,Vector3.up),cameraInterpolationStrength*Time.deltaTime);
        }else{
            //Focus camera on ball.
            Camera.main.transform.rotation = Quaternion.LookRotation(transform.position + cameraRelativeVelocity*cameraHorizontalOffsetPerSpeed+ Camera.main.transform.up*cameraVerticalOffSet - Camera.main.transform.position,Camera.main.transform.up);
        }

        if(follow){
            Vector3 desiredPosition = transform.position + vectorToPlayer*distanceToPlayer + Vector3.up*height;

            Vector3 dir = desiredPosition - transform.position;
            float distanceToCamera = dir.magnitude;
            dir.Normalize ();

            RaycastHit hit = new RaycastHit();
            if (Physics.Raycast (transform.position, dir,out hit,distanceToCamera + distanceToWall,cameraCollisionLayers )) {
                Vector3 point = hit.point - dir*distanceToWall;
                desiredPosition = point + Vector3.up*(1 - (point - transform.position).magnitude/distanceToPlayer)*10;
            }
            Camera.main.transform.position =Vector3.Lerp (Camera.main.transform.position ,desiredPosition,cameraMovementStrength*Time.deltaTime);
        }
    }

    public void add_node(Vector3 pos, int prev_node_id, RaycastHit hit)
    {
        int current_selected_node = get_selected_node ();
        if (current_selected_node >= 0) {
            int tmp_id = nodes.Count;
            GameObject tmp = (GameObject)Instantiate (node_template, pos, Quaternion.identity);
            tmp.gameObject.GetComponent<node>().node_const(pos, tmp_id ,prev_node_id, true);
            tmp.gameObject.GetComponent<node>().is_base_node = false;
            tmp.gameObject.transform.rotation = Quaternion.FromToRotation(Vector3.down, hit.normal);
            nodes.Add (tmp);
            //nodes[tmp_id].gameObject.GetComponent<node>().node_const(pos ,tmp_id, get_selected_node (), true);
            last_added_wp = tmp_id;

          //MANAGE RES -> connect to res with node

            foreach (GameObject r in GameObject.FindGameObjectsWithTag(vars.res_tag))
          {

        if (!r.GetComponent<ressource>().is_node_connected && r.GetComponent<ressource>().circle_holder.gameObject.GetComponent<selection_circle>().is_point_in_circle(pos) && r.GetComponent<ressource>().circle_holder.gameObject.GetComponent<selection_circle>().enabled)
        {
          			r.gameObject.GetComponent<ressource>().is_node_connected = true;
                    get_node_with_intern_node_id(tmp_id).connected_with_res = true;
                    get_node_with_intern_node_id(tmp_id).connected_res_id = r.GetComponent<ressource>().ressource_id;
                    get_node_with_intern_node_id(tmp_id).node_pos = r.gameObject.GetComponent<ressource>().ressource_pos;
          GameObject.Find("RES_SELECTION_UI").GetComponent<res_selection_ui_manager>().update_res_selection_ui();
        }

          }

            Instantiate(scout_ant_prefab);
        } else {
            Debug.LogError("NODE KONNTE NICHT ERSTELLT WERDEN KA KEINER SELEKTOER WURDE");
        }
    }

    // Update is called once per frame
    void Update()
    {
        var ray = new Ray();
        ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        var hit = new RaycastHit();
        if (Input.GetMouseButtonDown(0))
            if (collider.Raycast(ray, out hit, 100.0f))
            {
                this.startPos = this.parent.transform.position;

                this.timer = 0;
                this.onMove = true;
                this.superScript.updateY((int)Mathf.Abs(_position/7));

            }

        if (this.onMove)
        {
            this.moveOn();
            this.timer += Time.deltaTime * this._speed;
        }
        if (this.timer >= 1) this.onMove = false;

        if (collider.Raycast(ray, out hit, 100.0f))
        {
            Debug.DrawLine(ray.origin, hit.point, Color.green, 1);
          //  texte.material.color = new Color(01 / 255, 47 / 255, 98 / 2);
        }
        else
        {
           // texte.material.color = Color.white;
        }
    }

    // Use this for initialization
    void Start()
    {
        float rad = 0;
        float ang = 0;

        for (int i = 0; i < Random.Range(50,100); ++i)
        {
            rad = Random.Range(0.0f, 250.0f);
            ang = Random.Range(0.0f, Mathf.PI * 2.0f);

            RaycastHit hit = new RaycastHit();
            Vector3 top = new Vector3(Mathf.Cos(ang) * rad + 1600, 1000, Mathf.Sin(ang) * rad + 600);
            Ray ray = new Ray(top, new Vector3(0, -1, 0));
            Physics.Raycast(ray, out hit);

            GameObject nodeInst = Instantiate(node, hit.point, new Quaternion()) as GameObject;
            Node nodeInstNode = nodeInst.GetComponent<NodeTest>().node;
            nodeInstNode.cultyness = Random.Range(-100, 100);
            nodeInstNode.farmyness = Random.Range(-100, 100);
            nodeInstNode.mournyness = Random.Range(-100, 100);
            nodeInstNode.religyness = Random.Range(-100, 100);
            nodeInstNode.socialness = Random.Range(-100, 100);
            nodeInstNode.wanderyness = Random.Range(-100, 100);

            if (Random.Range(0,5) <= 1)
            {
                nodeInstNode.sleepyness = true;
            }
        }
    }

 // Checks for a collision with each part of each player and returns the number of the player that was hit last
 int Raycasting(Ray ray)
 {
     RaycastHit info = new RaycastHit();
     foreach (Transform child in Player1)
     {
         ray = new Ray(transform.position, child.position - transform.position);
         if (Physics.Raycast (ray, out info, 2.3f) && info.transform == Player1)
             return 1;
     }
     foreach (Transform child in Player2)
     {
         ray = new Ray (transform.position, child.position - transform.position);
         if (Physics.Raycast (ray, out info, 2.3f) && info.transform == Player2)
             return 2;
     }
     foreach (Transform child in Player3)
     {
         ray = new Ray (transform.position, child.position - transform.position);
         if (Physics.Raycast (ray, out info, 2.3f) && info.transform == Player3)
             return 3;
     }
     foreach (Transform child in Player4)
     {
         ray = new Ray (transform.position, child.position - transform.position);
         if (Physics.Raycast (ray, out info, 2.3f) && info.transform == Player4)
             return 4;
     }
     return lastHit;
 }

    // Update is called once per frame
    void Update()
    {
        RaycastHit hit = new RaycastHit ();

        if (this.collider.Raycast (new Ray (Camera.main.ScreenToWorldPoint (Input.mousePosition), Camera.main.transform.forward), out hit, 1000.0f)) {
            last = down;
            down = Input.GetMouseButtonDown (0) || Input.GetMouseButton (0);
            Vector3 position = this.transform.position + new Vector3 (0f, 6.0f - this.transform.localScale.y / 2.0f, 0.0f);
            position.y = Camera.main.ScreenToWorldPoint (Input.mousePosition).y;
            Vector3 posmouse = Camera.main.ScreenToWorldPoint (Input.mousePosition);
            if (jumper != null)
                posmouse.z = jumper.transform.position.z;

            if (!last && down) {
                if (remember.Item == null && jumper != null && (posmouse - jumper.transform.position).magnitude < 1.0) {
                    remember.Item = jumper;
                    jumper = null;
                } else if (remember.Item != null && jumper != null && (posmouse - jumper.transform.position).magnitude < 1.0) {
                    GameObject temp = jumper;
                    jumper = remember.Item;
                    remember.Item.transform.position = position;
                    remember.Item.rigidbody.velocity = Vector3.zero;
                    remember.Item = temp;
                } else if (remember.Item != null && jumper == null) {
                    remember.Item.transform.position = position;
                    remember.Item.rigidbody.velocity = Vector3.zero;
                    remember.Item = null;
                    jumper = remember.Item;
                }
            }
        }
    }

        /// <summary>
        /// Returns the position next to the side you pressed on.
        /// </summary>
        public static Vector3 GetPositionNextToHoveredTile () {

            Event e = Event.current;

            Ray ray = SceneView.lastActiveSceneView.camera.ScreenPointToRay(new Vector3(
                e.mousePosition.x, Screen.height - e.mousePosition.y - 36, 0)); //Upside-down and offset a little because of menus

            RaycastHit hit = new RaycastHit();

            if (Physics.Raycast(ray, out hit, 1000.0f)) {

                if (hit.collider.gameObject.GetComponent<ChunkObjectData>()) {

                    return hit.collider.gameObject.transform.position + hit.normal;

                }
                else {

                    Debug.LogWarning("The location you want to paint at is not on the same chunk as selected.");

                }

            }
            else {

                return new Vector3(0, 9000, 0);

            }

            return new Vector3(0, 9000, 0);

        }

	public void TakeHit(float damage, RaycastHit hit) {
		health -= damage;

		if (health <= 0 && !dead) {
			Die();
		}
	}

 void FixedUpdate()
 {
     foreach (GameObject cat in GameManager.catList) {
         Vector3 directionToCat = cat.transform.position - transform.position;
         //if ( Vector3.Angle(transform.forward, directionToCat) < 180f) {
         Ray butterflyRay = new Ray(transform.position, directionToCat);
         RaycastHit butterflyRayHitInfo = new RaycastHit();
         if (Physics.Raycast(butterflyRay, out butterflyRayHitInfo, 100f)) {
             //Debug.DrawRay (butterflyRay.origin, directionToCat * butterflyRayHitInfo.distance, Color.red);
             //Debug.Log ("see");
             if (butterflyRayHitInfo.collider.tag == "Cat") {
                 //Debug.Log ("see");
                 Ray ray_corner_check = new Ray(transform.position, -transform.forward);
                 // if cat is in front && within front detection range
                 //     if not cornered
                 //          turn around
                 if ( Vector3.Angle(transform.forward, directionToCat) < frontal_detection_cone && butterflyRayHitInfo.distance < frontal_detection_range ) {
                     //Debug.Log ("see");
                     if (!Physics.Raycast(ray_corner_check, check_cornered_distance)) {
                         transform.Rotate(0f, 180f, 0f);
                     }
                 }
                 // if cat is within circular detection range
                 //     panic
                 if ( butterflyRayHitInfo.distance < circular_detection_range) {
                     //Debug.Log("panic");
                     GetComponent<Rigidbody>().AddForce(-directionToCat.normalized * panic_speed);
                 }
             }
             //}
         }
     }
 }

    void OnGUI()
    {
        //message to the player if he is dead
        if(dead){

        GUI.Box(new Rect(200, 300, 190, 50), "You died..Respawn in.. "+displaytime);
        }

        //raycast for close units and shopping
        RaycastHit hit = new RaycastHit();
        if(playertarget&attackrange){
        if(Physics.Linecast(playertarget.transform.position, attackrange.transform.position, out hit)){
            shop shop=(shop)hit.transform.GetComponent("shop");
             orderai ai=(orderai)hit.transform.GetComponent("orderai");

            if(ai){
                if(ai.enableaiorder){}
                else{
                GUI.Box(new Rect(200, 300, 150, 50), "Press E To Give Orders!");
                    if(Input.GetKey(KeyCode.E)) ai.enableaiorder=true;
            }
            }

            if(shop){
                if(shop.menuactive){}
                else{
                    GUI.Box(new Rect(200, 300, 150, 50), "Press E To Shop!");
                    if(Input.GetKey(KeyCode.E)) shop.menuactive=true;
                }
                }
            }
        }
    }

    void Update()
    {
        if(Input.GetMouseButtonDown( 0 ))
        {
            if(cam)
            {
                ray = cam.ScreenPointToRay( Input.mousePosition );
            }else{
                ray = Camera.main.ScreenPointToRay( Input.mousePosition );
            }

            RaycastHit rayHit = new RaycastHit();

            if( Physics.Raycast(ray, out rayHit, 100f) )
            {
                if(rayHit.transform.gameObject.layer == 11)
                {
                    rayHit.transform.gameObject.GetComponent<LoadSceneButton>().StartLoading();

                }else if( rayHit.transform.gameObject.layer == 12)
                {
                    rayHit.transform.gameObject.GetComponent<OtherButton>().SetClicked();
                    rayHit.transform.gameObject.GetComponent<OtherButton>().Execute();
                }
            }
        }
    }