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// Based on the Unity Wiki FloatingOrigin script by Peter Stirling
// URL: http://wiki.unity3d.com/index.php/Floating_Origin

using UnityEngine;
using UnityEngine.SceneManagement;

public class FloatingOrigin : MonoBehaviour
{
    [Tooltip("Point of reference from which to check the distance to origin.")]
    public Transform ReferenceObject = null;

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using UnityEngine;

// From http://forum.unity3d.com/threads/68390-PID-controller
// Thank you andeeeee
public class PID
{
    public float pFactor, iFactor, dFactor;

    float integral;
    float lastError;

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using UnityEngine;

/// <summary>
/// Convenience class for handling layer related operations and lookups in Unity.
/// </summary>
public readonly struct UnityLayer
{
    /// <summary>
    /// Name of the layer as defined in the Tags and Layers window in Unity.
    /// </summary>

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using System.Collections.Generic;
using System.Threading;

using Cysharp.Threading.Tasks;
using TMPro;

public static class TextMeshProExtensions
{
    private static Dictionary<TextMeshProUGUI, CancellationTokenSource> textToCancel = new Dictionary<TextMeshProUGUI, CancellationTokenSource>();

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using UnityEngine.UI;

public static class UGUIButtonExtensions
{
    public static void SetTextTMPro(this Button button, string text)
    {
        button.GetComponentInChildren<TMPro.TextMeshProUGUI>().text = text;
    }

    public static void SetTextUGUI(this Button button, string text)

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/// <summary>
/// Computes a point for a gun to aim at in order to hit a target using linear prediction.
/// Assumes a bullet with no gravity or drag. I.e. A bullet that maintains a constant
/// velocity after it's been fired.
/// </summary>
public static Vector3 ComputeGunLead(Vector3 targetPos, Vector3 targetVel, Vector3 ownPos, Vector3 ownVel, float muzzleVelocity)
{
    // Extremely low muzzle velocities are unlikely to ever hit. This also prevents a
    // possible division by zero if the muzzle velocity is zero for whatever reason.
    if (muzzleVelocity < 1f)

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public class PixelPerfectTrail : MonoBehaviour
{
    [SerializeField] private TrailRenderer trail = null;

    [Tooltip("How small the trail width is allowed to get in pixels.")]
    public float MinimumPixelSize = 1.5f;

    private float startSize = 1f;

    private void Awake()

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// ====================================================================================================
// In my codebase, all ships have their own instance of this that they use to apply physics with.
// I'm using a struct mostly because I want to maintain copy semantics.
// ====================================================================================================

public struct FlightInput
{
    public float Pitch;
    public float Yaw;
    public float Roll;

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// This is an example of how to use the new input system in a way that I think is actually
// usable for a production game, and not just rapid prototyping. This is much more stable,
// and because it uses the C# class version of the new Input System it will fail to compile
// if something changes in the input asset, which is a VERY GOOD THING.

using UnityEngine;

public class CameraInput
{
    public float Pitch = 0f;

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using UnityEngine;

// Thanks to Rory Driscoll
// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/
public static class SmoothDamp
{
    /// <summary>
    /// Creates dampened motion between a and b that is framerate independent.
    /// </summary>
    /// <param name="from">Initial parameter</param>