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- using UnityEngine;
- using System.Collections;
- using UnityEngine.UI;
-
- public class magnetGun : MonoBehaviour {
-
- public Camera camera;
- public GameObject crossHair;
- public thirdPersonController playerController;
-
- public string L_TRIGGER_INPUT;
- public string R_TRIGGER_INPUT;
- public string L_BUTTON_INPUT;
- public string R_BUTTON_INPUT;
- private bool L_Trigger_Down;
-
- public bool topScreen = true;
- private float playerScreen = 2;
-
- public GameObject gravityWell;
- private Collider GravityTarget;
- private Vector3 rayHitPoint;
- private Vector3 targetOffset;
-
- public float objectSpeed;
- public float magnetRange = 20;
- public float maxPullSpeed = 30;
- public float rotateSpeed;
- public float minDistance = 3.0f;
- public float impulsePower = 50.0f;
-
- private RigidbodyConstraints originalConstrants;
- private bool originalGravity;
-
- private float maxWalkSpeed;
- private Renderer lastTargetRenderer;
- private Color lastTargetColour;
- // Use this for initialization
- void Start () {
- if (topScreen)
- playerScreen = 2;
- else
- playerScreen = -1;
-
- maxWalkSpeed = playerController.movementSpeed;
-
-
- }
-
- // Update is called once per frame
- void Update () {
-
- float triggerL = Input.GetAxis(L_TRIGGER_INPUT);
- float triggerR = Input.GetAxis (R_TRIGGER_INPUT);
-
-
- Collider target = testItem ();
-
- crossHair.GetComponent<RawImage> ().color = Color.white;
- if (target != null){
- if (target.GetComponent<Collider>().tag == "moveable"){
- Debug.Log("Moveable Item");
- crossHair.GetComponent<RawImage>().color = Color.red;
- if (Vector3.Distance (rayHitPoint, camera.transform.position) <= minDistance) {
- crossHair.GetComponent<RawImage>().color = Color.blue;
- }
- }
- }
-
- updateColors (target);
-
-
-
- if (triggerL > 0) {
- if (!L_Trigger_Down) {
- pickUpItem (target);
- L_Trigger_Down = true;
- }
- } else {
- L_Trigger_Down = false;
- dropItem(GravityTarget);
- }
-
- impulsePush (target);
- moveItem (GravityTarget);
- pullItem (triggerR);
- rotateInput (GravityTarget);
- cameraRotateTest (GravityTarget);
-
-
-
- }
-
-
-
- private Collider testItem(){
- RaycastHit hit;
-
- //Vector3 rayDirection = camera.transform.rotation * Vector3.forward;
- //Ray ray = camera.ScreenPointToRay(new Vector3(Screen.width/2, Screen.height/2 + (Screen.height/6 * playerScreen), 0));
-
- Ray ray = camera.ScreenPointToRay(crossHair.transform.position);
-
- Debug.DrawRay (ray.origin, ray.direction*magnetRange, Color.green);
-
- if (Physics.Raycast (ray, out hit, magnetRange)) {
- if (hit.collider.tag == "moveable"){
- Debug.DrawRay (ray.origin,ray.direction*magnetRange, Color.red);
- rayHitPoint = hit.point;
-
- }
-
-
- }
- return hit.collider;
- }
-
- private void pickUpItem(Collider item){
- if (item != null) {
- if (item.tag == "moveable"){
- originalConstrants = item.attachedRigidbody.constraints;
- originalGravity = item.attachedRigidbody.useGravity;
-
- item.attachedRigidbody.useGravity = false;
- item.attachedRigidbody.drag = 3.0f;
- item.attachedRigidbody.constraints = RigidbodyConstraints.FreezeRotation | originalConstrants;
- //camera.transform.LookAt(item.transform.position);
- //playerController.cameraX = camera.transform.eulerAngles.x;
- //playerController.cameraY = camera.transform.eulerAngles.y;
- gravityWell.transform.position = rayHitPoint;
- GravityTarget = item;
- targetOffset = GravityTarget.transform.position - rayHitPoint + (Vector3.up * 0.05f);
-
-
-
- playerController.movementSpeed = 200.0f;
-
- if (!topScreen){
- playerController.cameraSpeedX = 0.0f;
- playerController.cameraSpeedY = 0.0f;
- }
- }
- }
- }
-
- private void impulsePush (Collider item){
- if (item != null) {
- if (item.tag == "moveable" && Input.GetButtonDown("Quick Push")){
- Vector3 direction = (transform.position - item.transform.position).normalized;
-
- item.attachedRigidbody.AddForce(direction * impulsePower * maxPullSpeed* item.attachedRigidbody.mass,ForceMode.Impulse );
- }
- }
- }
-
- private void moveItem(Collider item){
- if (item != null) {
- float step = objectSpeed * Time.deltaTime;
- Vector3 direction = gravityWell.transform.position - item.transform.position + targetOffset;
- direction = Vector3.ClampMagnitude(direction,1.0f);
-
- item.attachedRigidbody.AddForce(direction * objectSpeed * Time.deltaTime);
-
- }
- }
-
- private void dropItem(Collider item){
- if (item != null) {
- item.attachedRigidbody.useGravity = originalGravity;
- item.attachedRigidbody.drag = 0.0f;
- item.attachedRigidbody.constraints = originalConstrants;
-
- if(topScreen)
- item.attachedRigidbody.velocity = Vector3.ClampMagnitude (item.attachedRigidbody.velocity, 5);
- GravityTarget = null;
-
-
- playerController.movementSpeed = maxWalkSpeed;
-
- playerController.cameraSpeedX = 250.0f;
- playerController.cameraSpeedY = 120.0f;
- }
-
- }
-
- private void pullItem(float speed){
-
- float step = maxPullSpeed * speed * Time.deltaTime;
-
- Vector3 maxPull;
- maxPull = camera.transform.position + (camera.transform.rotation * Vector3.forward);
-
-
- if ((Vector3.Distance (gravityWell.transform.position, camera.transform.position) > minDistance && Vector3.Distance (gravityWell.transform.position, camera.transform.position) < magnetRange) || maxPullSpeed<1) {
- gravityWell.transform.position = Vector3.MoveTowards (gravityWell.transform.position, maxPull, step);
-
- if ((Vector3.Distance (gravityWell.transform.position, camera.transform.position) > magnetRange) && !topScreen)
- dropItem (GravityTarget);
- }
-
- }
-
- private void rotateInput(Collider item){
- if (item != null) {
- if (Input.GetButtonDown(L_BUTTON_INPUT))
- StartCoroutine (rotateItem(item,new Vector3 (0,90,0),0.3f));
- if (Input.GetButtonDown(R_BUTTON_INPUT))
- StartCoroutine (rotateItem(item,new Vector3 (90,0,0),0.3f));
- }
- }
-
- IEnumerator rotateItem (Collider item, Vector3 byAngles, float inTime){
-
- Quaternion startAngle = item.transform.rotation;
- Quaternion endAngle = Quaternion.Euler (item.transform.eulerAngles + byAngles);
-
- for (float i = 0; i < 1; i+=Time.deltaTime/inTime) {
- item.transform.rotation = Quaternion.Lerp(startAngle,endAngle,i);
- yield return null;
- }
-
-
- }
-
- public void cameraRotateTest(Collider item){
-
- if (item != null) {
- //Debug.Log ("distance test: " + Vector3.Distance (gravityWell.transform.position, camera.transform.position));
- if (Vector3.Distance (gravityWell.transform.position, camera.transform.position) <= minDistance) {
- playerController.cameraSpeedX = 250.0f;
- playerController.cameraSpeedY = 120.0f;
- } else {
- playerController.cameraSpeedX = 0.0f;
- playerController.cameraSpeedY = 0.0f;
- }
-
- }
- }
-
- public void updateColors(Collider target){
-
- if (target != null && target.tag == "moveable") {
- lastTargetRenderer = target.GetComponent<Renderer> ();
-
- if (lastTargetRenderer.material.color != Color.white) {
- lastTargetColour = lastTargetRenderer.material.color;
- lastTargetRenderer.material.color = Color.white;
- }
-
-
- } else {
- if (lastTargetRenderer != null)
- lastTargetRenderer.material.color = lastTargetColour;
- }
-
-
- }
-
- }
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