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markusrt/Credits.cs

Created April 25, 2014 23:14
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  1. markusrt created this gist Apr 25, 2014.
    111 changes: 111 additions & 0 deletions Credits.cs
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    using UnityEngine;
    using System.Collections;

    /// <summary>
    /// Published prior to Ludum Dare 29
    ///
    /// Simple Unity3D script to create scrolling credits
    ///
    /// How to use:
    ///
    /// * Create a new scene
    /// * Attach this to your camera (or a new empty game object)
    /// * Set "CreditText" property accordingly
    ///
    /// Known issues:
    ///
    /// * Does not react to horizontal scaling of your window
    /// </summary>
    public class Credits : MonoBehaviour
    {
    public TextAsset CreditsText;

    public float Speed = 0.1f;

    public int MaxFontSize = 20;

    public GUIStyle TextStyle = new GUIStyle();

    private GameObject creditHolder;

    private GUIText creditText;

    private Transform creditHolderTransform;

    public void Start()
    {
    InitializeCreditHolder();
    RecalculateFontSize();
    PlaceCreditsAtTheScreensBottom();
    }

    public void Update()
    {
    RecalculateFontSize();
    MoveCreditsTextUntilEndIsReached();
    }

    private void InitializeCreditHolder()
    {
    creditHolder = new GameObject ("Credits");
    creditText = creditHolder.AddComponent<GUIText> ();
    creditText.alignment = TextAlignment.Center;
    creditText.anchor = TextAnchor.LowerCenter;
    creditText.text = GetCreditsText ();
    creditText.fontStyle = TextStyle.fontStyle;
    creditHolderTransform = creditHolder.transform;
    }

    void RecalculateFontSize ()
    {
    int fontSize = MaxFontSize;
    do
    {
    creditText.fontSize = fontSize;
    fontSize--;
    } while (creditText.GetScreenRect().width>Screen.width);
    }

    void PlaceCreditsAtTheScreensBottom ()
    {
    float screeny=0;
    float y=0.0f;
    float minScreenY = (-1.0f * creditText.GetScreenRect().height)+Screen.height/2;
    do
    {
    creditHolderTransform.position = new Vector2(0.5f, y);
    y -= 0.1f;

    screeny = creditText.GetScreenRect().y;
    }while(screeny>minScreenY);
    }

    private string GetCreditsText()
    {
    if (CreditsText != null)
    {
    return CreditsText.text;
    }
    return CreatePlaceHolderText();
    }

    private string CreatePlaceHolderText ()
    {
    string placeHolderText = "These credits are only a placeholder\n\n\n";
    for (int i = 0; i < 100; i++)
    {
    placeHolderText+="Please set 'CreditsText' text asset for real credits...\n";
    }
    placeHolderText += "\n\n\n\n\nThanks for watching placeholder credits this far :)";
    return placeHolderText;
    }

    private void MoveCreditsTextUntilEndIsReached ()
    {
    if(creditText.GetScreenRect().y > Screen.height*0.35)
    {
    return;
    }
    creditHolderTransform.Translate(Vector3.up * Time.deltaTime * Speed);
    }
    }
    87 changes: 87 additions & 0 deletions Hud.cs
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    using UnityEngine;
    using System.Collections;

    /// <summary>
    /// Published prior to Ludum Dare 29
    ///
    /// Simple Unity3D script to show scores etc. on top of your scene.
    /// Scales with your window size.
    ///
    /// How to use:
    ///
    /// * Create a new scene
    /// * Attach this to your camera
    /// * Update placeholder text accordingly and adjust colum count / sizing as required
    ///
    /// Known issues:
    ///
    /// * GUI.Label size is not calculated automatically
    /// </summary>
    public class Hud : MonoBehaviour
    {
    public GUIStyle TextStyle = new GUIStyle();

    public int maxFontSize = 16;

    private const int MaximumNumberOfCharactersPerLine = 30;
    private const int ColumnCount = 4;

    private const int FirstColumnStartCharacter = 1;
    private const int SecondColumnStartCharacter = 9;
    private const int ThirdColumnStartCharacter = 17;

    private const int ForthColumnWidth = 4;

    public void OnGUI()
    {
    var emSize = UpdateFontSizeToMatchCurrentDisplay();
    var columnSpacing = CalculateColumnSpacing(emSize);

    var firstColumnX = emSize.x * FirstColumnStartCharacter;
    var secondColumnX = emSize.x * SecondColumnStartCharacter + columnSpacing;
    var thirdColumnX = emSize.x * ThirdColumnStartCharacter + columnSpacing*2;
    var fourthColumnX = Screen.width - emSize.x * ForthColumnWidth;

    var firstRowY = 0f;
    var secondRowY = emSize.y;

    GUI.Label(new Rect (firstColumnX, firstRowY, 200, 32), string.Format("LIFES x {0:D2}", ExampleGameState.Lives), TextStyle);
    GUI.Label(new Rect (thirdColumnX, firstRowY, 140, 64), "WORLD", TextStyle);
    GUI.Label(new Rect (fourthColumnX, firstRowY, 120, 32), "TIME", TextStyle);

    GUI.Label(new Rect (firstColumnX, secondRowY, 120, 32), string.Format("{0:D5}", ExampleGameState.Score), TextStyle);
    GUI.Label(new Rect (secondColumnX, secondRowY, 160, 32), string.Format("COINS x {0:D2}", ExampleGameState.Coins), TextStyle);
    GUI.Label(new Rect (thirdColumnX, secondRowY, 120, 32), "1 - 1", TextStyle);
    GUI.Label(new Rect (fourthColumnX, secondRowY, 120, 32), string.Format("{0:D3}", ExampleGameState.SecondsLeft), TextStyle);
    }

    float CalculateColumnSpacing (Vector2 emSize)
    {
    return (Screen.width - (emSize.x * (MaximumNumberOfCharactersPerLine - ColumnCount))) / 3;
    }

    Vector2 UpdateFontSizeToMatchCurrentDisplay ()
    {
    var emSize = Vector2.zero;

    var fontSize = maxFontSize;
    do
    {
    TextStyle.fontSize = fontSize;
    emSize = TextStyle.CalcSize(new GUIContent("E"));
    fontSize--;
    } while(emSize.x*MaximumNumberOfCharactersPerLine>Screen.width && fontSize>3);
    return emSize;
    }
    }

    public class ExampleGameState
    {
    public static int Score = 0;

    public static int Lives = 3;

    public static int Coins = 0;

    public static int SecondsLeft = 0;
    }