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98 lines
2.5 KiB
C#
98 lines
2.5 KiB
C#
namespace Fusion {
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using UnityEngine;
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/// <summary>
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/// Companion component for <see cref="FusionStats"/>, which automatically faces this GameObject toward the supplied Camera. If Camera == null, will face towards Camera.main.
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/// </summary>
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[Fusion.ScriptHelp(BackColor = ScriptHeaderBackColor.Olive)]
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[ExecuteAlways]
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public class FusionStatsBillboard : Fusion.Behaviour {
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/// <summary>
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/// Force a particular camera to billboard this object toward. Leave null to use Camera.main.
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/// </summary>
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[InlineHelp]
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public Camera Camera;
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// Camera find is expensive, so do it once per update for ALL implementations
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static float _lastCameraFindTime;
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static Camera _currentCam;
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FusionStats _fusionStats;
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private void Awake() {
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_fusionStats = GetComponent<FusionStats>();
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}
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private void OnEnable() {
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UpdateLookAt();
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}
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private void OnDisable() {
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transform.localRotation = default;
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}
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Camera MainCamera {
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set {
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_currentCam = value;
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}
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get {
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var time = Time.time;
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// Only look for the camera once per Update.
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if (time == _lastCameraFindTime)
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return _currentCam;
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_lastCameraFindTime = time;
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var cam = Camera.main;
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_currentCam = cam;
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return cam;
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}
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}
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#if UNITY_EDITOR
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private void OnDrawGizmos() {
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LateUpdate();
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}
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#endif
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private void LateUpdate() {
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UpdateLookAt();
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}
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public void UpdateLookAt() {
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// Save the CPU here if our FusionStats is in overlay. Billboarding does nothing.
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if (_fusionStats && _fusionStats.CanvasType == FusionStats.StatCanvasTypes.Overlay) {
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return;
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}
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var cam = Camera ? Camera : MainCamera;
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if (cam) {
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if (enabled) {
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//var armOffset = transform.position - cam.transform.position;
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//if (_canvasT == null) {
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// _canvasT = GetComponentInChildren<Canvas>()?.transform;
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// if (_canvasT) {
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// _canvasT.localPosition = Offset;
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// }
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//} else {
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// _canvasT.localPosition = Offset;
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//}
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transform.rotation = cam.transform.rotation;
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//transform.LookAt(transform.position + armOffset, cam.transform.up);
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}
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}
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}
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[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
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static void ResetStatics() {
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_currentCam = default;
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_lastCameraFindTime = default;
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}
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}
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} |