reedgamingstudio
120 lines
3.8 KiB
JavaScript
120 lines
3.8 KiB
JavaScript
//NSdesignGames @ 2012
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//FPS Kit | Version 2.0
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#pragma strict
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// The speed of the player up and down the ladder. Roughly equal to walking speed is a good starting point.
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var climbSpeed = 6.0;
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// In the range -1 to 1 where -1 == -90 deg, 1 = 90 deg, angle of view camera at which the user climbs down rather than up when moving with the forward key.
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var climbDownThreshold = -0.4;
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//Private vars
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private var climbDirection : Vector3 = Vector3.zero;
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private var lateralMove : Vector3 = Vector3.zero;
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private var forwardMove : Vector3 = Vector3.zero;
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private var ladderMovement : Vector3 = Vector3.zero;
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private var currentLadder : Ladder = null;
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private var latchedToLadder : boolean = false;
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private var inLandingPad : boolean = false;
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private var mainCamera : GameObject = null;
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private var controller : CharacterController = null;
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private var landingPads : ArrayList = null;
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private var trigger : boolean = false;
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function Start () {
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mainCamera = GameObject.FindWithTag("MainCamera");
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controller = GetComponent(CharacterController);
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landingPads = new ArrayList();
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}
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function OnTriggerEnter (other : Collider) {
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if(other.tag == "Ladder") {
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LatchLadder(other.gameObject, other);
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trigger = true;
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}
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}
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function OnTriggerExit () {
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// UnlatchLadder();
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// print("WTF");
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}
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//Connect the player to the ladder, and shunt FixedUpdate calls to the special ladder movment functions.
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function LatchLadder (latchedLadder : GameObject, collisionWaypoint : Collider) {
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// typecast the latchedLadder as a Ladder object from GameObject
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currentLadder = latchedLadder.GetComponent(Ladder);
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latchedToLadder = true;
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// get the climb direction
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climbDirection = currentLadder.ClimbDirection();
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// let the other scripts know we are on the ladder now
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gameObject.SendMessage("OnLadder", null, SendMessageOptions.RequireReceiver);
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}
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//Shut off special ladder movement controls and return to normal movement operations.
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function UnlatchLadder () {
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latchedToLadder = false;
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currentLadder = null;
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// let the other scripts know we are off the ladder now
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gameObject.SendMessage("OffLadder", ladderMovement, SendMessageOptions.RequireReceiver);
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}
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//Convert the player's normal forward and backward motion into up and down motion on the ladder.
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function FixedUpdate () {
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if(!latchedToLadder)
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return;
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if(trigger){
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RaycastCheck ();
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}
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// If we jumpped, then revert back to the original behavior
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if (Input.GetButton("Jump")) {
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UnlatchLadder();
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//gameObject.SendMessage("FixedUpdate", null, SendMessageOptions.RequireReceiver);
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return;
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}
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// find the climbing direction
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var verticalMove = climbDirection.normalized;
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// convert forward motion to vertical motion
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verticalMove *= Input.GetAxis("Vertical");
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verticalMove *= (mainCamera.transform.forward.y > climbDownThreshold) ? 1 : -1;
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// find lateral component of motion
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if (inLandingPad) {
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lateralMove = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical"));
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} else {
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lateralMove = new Vector3(Input.GetAxis("Horizontal"), 0, 0);
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}
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lateralMove = transform.TransformDirection(lateralMove);
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// move
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ladderMovement = verticalMove + lateralMove;
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var flags = controller.Move(ladderMovement * climbSpeed * Time.deltaTime);
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}
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function RaycastCheck () {
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var hit : RaycastHit;
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var charContr : CharacterController = GetComponent(CharacterController);
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var p1 : Vector3 = transform.position + charContr.center +
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Vector3.up * (-charContr.height*0.5);
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var p2 : Vector3 = p1 + Vector3.up * charContr.height;
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// Cast character controller shape 10 meters forward, to see if it is about to hit anything
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if (Physics.CapsuleCast (p1, p2, charContr.radius, transform.forward, hit, charContr.radius)) {
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}else{
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UnlatchLadder();
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trigger = false;
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}
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}
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@script RequireComponent(CharacterController)
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@script AddComponentMenu("FPS system/Ladder System/Attach to Player") |