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141 lines
4.1 KiB
141 lines
4.1 KiB
//======= Copyright (c) Valve Corporation, All rights reserved. ===============
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using UnityEngine;
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using System.Collections;
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public struct PointerEventArgs
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{
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public uint controllerIndex;
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public uint flags;
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public float distance;
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public Transform target;
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}
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public delegate void PointerEventHandler(object sender, PointerEventArgs e);
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public class SteamVR_LaserPointer : MonoBehaviour
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{
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public bool active = true;
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public Color color;
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public float thickness = 0.002f;
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public GameObject holder;
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public GameObject pointer;
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bool isActive = false;
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public bool addRigidBody = false;
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public Transform reference;
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public event PointerEventHandler PointerIn;
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public event PointerEventHandler PointerOut;
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Transform previousContact = null;
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// Use this for initialization
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void Start ()
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{
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holder = new GameObject();
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holder.transform.parent = this.transform;
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holder.transform.localPosition = Vector3.zero;
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holder.transform.localRotation = Quaternion.identity;
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pointer = GameObject.CreatePrimitive(PrimitiveType.Cube);
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pointer.transform.parent = holder.transform;
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pointer.transform.localScale = new Vector3(thickness, thickness, 100f);
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pointer.transform.localPosition = new Vector3(0f, 0f, 50f);
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pointer.transform.localRotation = Quaternion.identity;
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BoxCollider collider = pointer.GetComponent<BoxCollider>();
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if (addRigidBody)
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{
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if (collider)
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{
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collider.isTrigger = true;
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}
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Rigidbody rigidBody = pointer.AddComponent<Rigidbody>();
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rigidBody.isKinematic = true;
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}
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else
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{
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if(collider)
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{
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Object.Destroy(collider);
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}
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}
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Material newMaterial = new Material(Shader.Find("Unlit/Color"));
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newMaterial.SetColor("_Color", color);
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pointer.GetComponent<MeshRenderer>().material = newMaterial;
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}
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public virtual void OnPointerIn(PointerEventArgs e)
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{
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if (PointerIn != null)
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PointerIn(this, e);
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}
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public virtual void OnPointerOut(PointerEventArgs e)
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{
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if (PointerOut != null)
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PointerOut(this, e);
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}
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// Update is called once per frame
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void Update ()
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{
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if (!isActive)
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{
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isActive = true;
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this.transform.GetChild(0).gameObject.SetActive(true);
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}
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float dist = 100f;
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SteamVR_TrackedController controller = GetComponent<SteamVR_TrackedController>();
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Ray raycast = new Ray(transform.position, transform.forward);
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RaycastHit hit;
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bool bHit = Physics.Raycast(raycast, out hit);
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if(previousContact && previousContact != hit.transform)
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{
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PointerEventArgs args = new PointerEventArgs();
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if (controller != null)
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{
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args.controllerIndex = controller.controllerIndex;
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}
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args.distance = 0f;
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args.flags = 0;
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args.target = previousContact;
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OnPointerOut(args);
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previousContact = null;
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}
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if(bHit && previousContact != hit.transform)
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{
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PointerEventArgs argsIn = new PointerEventArgs();
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if (controller != null)
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{
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argsIn.controllerIndex = controller.controllerIndex;
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}
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argsIn.distance = hit.distance;
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argsIn.flags = 0;
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argsIn.target = hit.transform;
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OnPointerIn(argsIn);
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previousContact = hit.transform;
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}
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if(!bHit)
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{
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previousContact = null;
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}
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if (bHit && hit.distance < 100f)
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{
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dist = hit.distance;
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}
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if (controller != null && controller.triggerPressed)
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{
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pointer.transform.localScale = new Vector3(thickness * 5f, thickness * 5f, dist);
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}
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else
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{
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pointer.transform.localScale = new Vector3(thickness, thickness, dist);
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}
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pointer.transform.localPosition = new Vector3(0f, 0f, dist/2f);
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}
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}
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