Category Archives for "Video Games"

The code used in Unity3d Gaming Subtitle Options Web App.

Screenshot ofWebGL app showing what the minimum subtitle options games should have.

Below is all the code it took to create the subtitle options in the Subtitle Options WebGl App in the previous post, Minimum Gaming Subtitle Options.

Note: this does not include the code for free version of uGUI Color Picker from the Unity Asset Store I used in the options menu. It’s not mine, so I’m not posting it.

But it should illustrate just how easy it was to create all the options shown in the Subtitle Options Web Gl App in the Minimum Gaming Subtitle Options post.

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;
using UnityEngine.UI;
using uCPf;
using System.Text.RegularExpressions;
using System.Linq;

public class ResizeCaptions : MonoBehaviour
{
  public Image captionBackground;

  public TextMeshProUGUI fontBox, shadowbox;

  public Slider fontSizeSlider, fontLineSpacingSlider, fontOpacitySlider, bgOpacitySlider;

  public Button optionButton;

  public ColorPicker font_Color_Picker, background_Color_Picker;

  public Toggle outlineToggle, shadowToggle;

  public Dropdown fontList;

  public float sidePadding = 3;  

  public TMP_FontAsset[] plainFonts, outlineFonts, outlineshadowFonts, shadowFonts;

  public float[] charSize = {10f,12.5f,10.5f};

  public float[] lineSize = {36f,62f,86f};

  [Range(1.5f,4.5f)]
  public float shadowDistance = 1.5f;

  public GameObject optionMenu;



  private int font_No;

  private GameObject shadowFontBox;

  private string[] captionSplit;
  private string myCaption;

  private RectTransform imageboxRT, shadowBoxRT;

  private Color newFontColor = new Color(1,1,1), newBackgroundColor = new Color(0,0,0), newFontColorOpacity, newBackgroundColorOpacity;

  private bool fontUpdateRequired = false, backgroudUpdateRequired = false, hasOutline = true, hasShadow = false;

  private Vector2 shadowOffset;

  private float minFontSize = 20.15f, maxCharacters, scaleUp, currentFontSize, newWidth, newHeight, fontOpacity;
  private float shadowOffsetX = 0f, shadowOffsetY = -333.1f, fontscale = 72f;

  private float[] fontsizeMinMax = { 72f, 58f, 68f };


  // Use this for initialization
  void Start ()
  {
    shadowFontBox = shadowbox.gameObject;     //sets gameobject so it can be turned on or off.

    shadowBoxRT = shadowbox.rectTransform;      //used to position dropshadow offset which is affected by font size.
    imageboxRT = captionBackground.rectTransform; //used to change size of subtitle background

    font_Color_Picker.color = newFontColor;           //sets color for color font color picker

    background_Color_Picker.color = newBackgroundColor;     //sets color for background font color

    UpdateColorPickers();                   //Late Update updates colors set on Color Pickers

    outlineToggle.onValueChanged.AddListener(Change_Outline); //Executes code when toggle is changed
    shadowToggle.onValueChanged.AddListener(Change_Shadow);   //Executes code when toggle is changed
    fontList.onValueChanged.AddListener(Change_Font);     //Executes code when dropdown is changed
    optionButton.onClick.AddListener(Check_Options);      //Executes code when button is pressed

    Change_Outline(hasOutline);                 //Turns Outline font on
    Change_Shadow(hasShadow);                 //Turns Drop Shadow off

    scaleUp = currentFontSize/minFontSize;            //gets scale of font to set background box size and drop shadow offset
    resizeBackgroundImage();                  //sets up background box size
  }


  //turns options menu on and off.
  private void Check_Options ()
  {
    if(optionMenu.activeInHierarchy == false) { optionMenu.SetActive(true); }
    else { optionMenu.SetActive(false); }
  }


  //changes font when new one is selected in Dropdown menu
  private void Change_Font (int fontNumber)
  {
    font_No = fontNumber;

    currentFontSize = fontBox.fontSize = shadowbox.fontSize = fontSizeSlider.value * fontsizeMinMax[font_No]/fontscale;

    resizeBackgroundImage();

    Change_Outline(hasOutline);   //here's where the subtitle font gets changed.
    Change_Shadow(hasShadow);   //here's where the dropshadow font gets changed.
  }


  //turns outlines on and off on subtitle
  private void Change_Outline (bool is_it_On)
  {
    if(is_it_On)
    {
      fontBox.font = outlineFonts[font_No];       //changes subtitle font
      shadowbox.font = outlineshadowFonts[font_No];   //changes dropshadow font

      fontBox.characterSpacing = shadowbox.characterSpacing = 0.25f;    //increases character spacing if outlines are on for easier readding.

      hasOutline = true;
    }
    else
    {
      fontBox.font = plainFonts[font_No];         //changes subtitle font
      shadowbox.font = shadowFonts[font_No];        //changes dropshadow font

      fontBox.characterSpacing = shadowbox.characterSpacing = 0f;     //removes extra character spacing if outlines are off.

      hasOutline = false;
    }
  }


  //turns Shadows on and off on dropshadow font.
  private void Change_Shadow (bool is_it_On)
  {
    if(is_it_On)
    {
      if(hasOutline) { shadowbox.font = outlineshadowFonts[font_No]; }
      else { shadowbox.font = shadowFonts[font_No]; }

      Fix_ShadowOffset();

      shadowFontBox.SetActive(true);
      hasShadow = true;
    }
    else
    {
      if(hasOutline) { shadowbox.font = outlineshadowFonts[font_No]; }
      else
      {
        shadowbox.font = shadowFonts[font_No];
      }

      shadowFontBox.SetActive(false);
      hasShadow = false;
    }
  }


  //changes drop shadow offset amount when font size changes
  private void Fix_ShadowOffset ()
  {
    shadowOffset = new Vector2(shadowOffsetX + shadowDistance * scaleUp, shadowOffsetY - shadowDistance * scaleUp);
    shadowBoxRT.anchoredPosition = shadowOffset;
  }


  //Updates Color Picker UI
  public void UpdateColorPickers()
  {
    fontUpdateRequired = true;
    backgroudUpdateRequired = true;
  }


  //changes subtitle font color
  public void FontColorChanged (Color passed_Color)
  {
    newFontColorOpacity = passed_Color;
    newFontColorOpacity.a = fontOpacitySlider.value;
    fontBox.color = newFontColorOpacity;
    fontUpdateRequired = true;
  }


  //changes background color
  public void BackgroundColorChanged (Color passed_Color)
  {
    newBackgroundColorOpacity = passed_Color;
    newBackgroundColorOpacity.a = bgOpacitySlider.value;
    captionBackground.color = newBackgroundColorOpacity;
    backgroudUpdateRequired = true;
  }


  //changes subtitle font opacity
  public void FontOpacityChanged ()
  {
    newFontColorOpacity.a = fontOpacitySlider.value;
    fontBox.color = newFontColorOpacity;
  }


  //changes background opacity
  public void BackgroundOpacityChanged ()
  {
    newBackgroundColorOpacity.a = bgOpacitySlider.value;
    captionBackground.color = newBackgroundColorOpacity;
  }


  //Updates Color Pickers
  void LateUpdate()
  {
    if (fontUpdateRequired) { font_Color_Picker.UpdateUI (); fontUpdateRequired = false; }
    if (backgroudUpdateRequired) { background_Color_Picker.UpdateUI (); backgroudUpdateRequired = false; }
  }


  //changes Line Spacing in subtitle and and dropshadows
  public void Change_LineSpacing ()
  {
    fontBox.lineSpacing = shadowbox.lineSpacing = fontLineSpacingSlider.value;
    resizeBackgroundImage ();
  }


  public void resizeBackgroundImage ()
  {
    myCaption = fontBox.text;     //Gets Caption Text

    //sets new font size
    currentFontSize = fontBox.fontSize = shadowbox.fontSize = fontSizeSlider.value * fontsizeMinMax[font_No]/fontscale;

    //gets scale of font to set background box size and drop shadow offset
    scaleUp = currentFontSize/minFontSize;

    if(myCaption == null)           //checks to make sure there is a caption.
    {
      //Debug.Log ("It's null");
      captionBackground.enabled = false;    //turns off caption backgrund if there's no image.
      return;                 //returns if there is no caption.
    }

    if(!captionBackground.enabled) { captionBackground.enabled = true; }  //turns it back on if a caption replaces a blank caption.
     
    captionSplit = myCaption.Split(new string[]{ "\n" }, System.StringSplitOptions.RemoveEmptyEntries); //splits caption into separate lines.
    maxCharacters = 0f;

    for (int i = 0; i < captionSplit.Length; i++)   //we need to get the length of the longest ling of captions to set background box size
    {
      if(captionSplit[i].Length > maxCharacters)
      {
        maxCharacters = captionSplit[i].Length;   //gets length of longest line for setting box width.
      }
    }

    maxCharacters += sidePadding;               //adds padding at side for background box.

    newWidth = maxCharacters * charSize[font_No] * scaleUp;   //gets new width based on font parameters for background box.

    //gets new height based on font parameters for background box.
    newHeight = (lineSize[captionSplit.Length-1] * scaleUp) + (fontLineSpacingSlider.value/110 * lineSize[captionSplit.Length-1]);

    imageboxRT.sizeDelta = new Vector2(newWidth, newHeight);  //sets size of background box.

    Fix_ShadowOffset();                     //Fixes size of dropshadow offset for new font size.
  }
}

Minimum Gaming Subtitle Options

Screenshot ofWebGL app showing what the minimum subtitle options games should have.

After talking with a number of people on Twitter, and given the awful, or limited gaming subtitle options for PC and console games, I decided to set up an app with the minimum subtitle options games should have.

I used Unity3d to create the WebGL app. You may need to install the Unity3d Web Player plugin available for Windows and Mac browsers.

The background image and subtitle is from Wolfenstein: The New Order. The starting subtitle size is approximately the same size as it appears in game, but I’ve split the subtitle into two lines. The original was on one line, breaking one of the primary closed captioning/subtitle guidelines of no more than 42-45 characters per line.

If there had been options to increase the size of the subtitles in the game, you wouldn’t have been able to make them much bigger without the caption getting cut off on either side of the screen. Splitting the caption to proper lengths gives you room to make subtitles much bigger.

Some people may think subtitles cover up too much of a game screen, but that’s irrelevant. The whole point of subtitles is communication. If players can’t read them, they will miss vital gameplay information and story.

Making subtitles readable to a wide range of players is what’s key with subtitle options. Some people don’t need subtitles at all. some like small subtitles. Others need high contrast between subtitles and backgrounds. Some have low vision and need them as large as possible.

Game companies need to expand the range of options available for subtitles. I’ve set what I think should be the minimum standard for subtitle options for games.

One other important thing about subtitle options – the player should be able to see exactly what they’re getting in the subtitle options with a full screen sample. Having a small sample image with subtitles on them to illustrate is not enough. The sample should be full screen right in the options menu so players can set subtitles up exactly the way they need to so they can read them as easily as possible.

Options include, font size, sans-serif, serif, and monospace fonts, background, font transparency, background transparency, font color, background color, outline, and drop shadow.

To start, click the Options button in the top right corner in the WebGl app below.

For a fantastic article on gaming subtitles by Max Deryagin, check out on “What Video Game Subtitling Got Wrong In 2017

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