99 lines
3.8 KiB
C#
99 lines
3.8 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace BNG {
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// This will rotate a transform along with a users headset. Useful for keeping an object aligned with the camera, independent of the player capsule collider.
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public class RotateWithHMD : MonoBehaviour {
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[Tooltip("The Transform to rotate along with")]
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public Transform FollowTransform;
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/// <summary>
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/// The Character Capsule to rotate along with
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/// </summary>
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[Tooltip("The Character Capsule to rotate along with")]
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public CharacterController Character;
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/// <summary>
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/// Offset to apply in local space to the hmdTransform
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/// </summary>
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public Vector3 Offset = new Vector3(0, -0.25f, 0);
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public float RotateSpeed = 5f;
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public float MovementSmoothing = 0;
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private Vector3 velocity = Vector3.zero;
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[Tooltip("If true this transform will be parented to the characterController. Set this to true if you want the position and rotation to align with the character controller without delay.")]
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public bool ParentToCharacter = false;
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Transform originalParent;
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/// <summary>
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/// This object will be used as a reference to follow
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/// </summary>
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Transform followTransform;
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Transform camTransform;
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void Start() {
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originalParent = transform.parent;
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followTransform = new GameObject().transform;
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followTransform.name = "RotateReferenceObject";
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followTransform.position = transform.position;
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followTransform.rotation = transform.rotation;
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// Parent the object to our character and let the hierarchy take care of positioning
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if (ParentToCharacter) {
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transform.parent = Character.transform;
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}
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// Set our reference transform to the Character object if it is available
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if(FollowTransform) {
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followTransform.parent = FollowTransform;
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}
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else if (Character) {
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followTransform.parent = Character.transform;
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}
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else {
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followTransform.parent = originalParent;
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}
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}
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void LateUpdate() {
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UpdatePosition();
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}
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void UpdatePosition() {
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// Find Main Camera Object if it changed or not yet been fou nd
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// Use the transform with the "MainCamera" tag, instead of Camera.main, as the Camera component could be disabled when using dual eye cameras.
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if (camTransform == null && GameObject.FindGameObjectWithTag("MainCamera") != null) {
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camTransform = GameObject.FindGameObjectWithTag("MainCamera").transform;
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followTransform.position = camTransform.position;
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followTransform.localEulerAngles = Vector3.zero;
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}
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// No main camera available
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if (camTransform == null) {
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return;
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}
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// Offset from Character's body if available
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Vector3 worldOffset = Vector3.zero;
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if(FollowTransform) {
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worldOffset = FollowTransform.position - FollowTransform.TransformVector(Offset);
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}
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else if (Character) {
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worldOffset = Character.transform.position - Character.transform.TransformVector(Offset);
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}
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Vector3 moveToPosition = new Vector3(worldOffset.x, camTransform.position.y - Offset.y, worldOffset.z);
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transform.position = Vector3.SmoothDamp(transform.position, moveToPosition, ref velocity, MovementSmoothing);
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transform.rotation = Quaternion.Lerp(transform.rotation, followTransform.rotation, Time.deltaTime * RotateSpeed);
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}
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}
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}
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