UserInterface with TextMessages implemented.

js/module.js

@@ -12,7 +12,9 @@ import ImageLoader from "./ImageLoader.js";
 import Level from "./Level.js";
 import InterfaceEvent from "./events/InterfaceEvent.js";
 import UrlParam from "./UrlParam.js";
-import TextBox from "./TextBox.js";
+import UserInterface from "./ui/UserInterface.js";
+import TextMessageGisela from "./ui/TextMessageGisela.js";
+import TextMessageMrCroc from "./ui/TextMessageMrCroc.js";
 
 function MainLoop(timestamp)
 {
@@ -105,10 +107,7 @@ function MainLoop(timestamp)
         architecture.draw(context, camera);
         mrCroc.draw(context, camera);
         gisela.draw(context, camera);
-
-        if (gameFinished) {
-            textBoxGameFinished.draw(context, window.innerWidth * 0.5, window.innerHeight - 100);
-        }
+        userInterface.draw(context);
 
         lastRendered = timestamp;
     }
@@ -123,7 +122,8 @@ function MainLoop(timestamp)
         lastTimestamp = undefined;
         lastRendered = undefined;
         textBoxGameFinished.updateLines(window.innerWidth - 40, context);
-        textBoxGameFinished.animate();
+        textBoxGameFinished.animate(75);
+        userInterface.addTextBox(textBoxGameFinished);
     }
 
     window.requestAnimationFrame(MainLoop);
@@ -157,7 +157,9 @@ let mrCroc, gisela, architecture;
 let camera = new Camera();
 let gameFinished = false;
 let hasPlayerLeftArchitecture = false;
+let textBoxGameStart;
 let textBoxGameFinished;
+let userInterface = new UserInterface();
 
 let KeyLeft = new Key('ArrowLeft');
 let KeyRight = new Key('ArrowRight');
@@ -197,19 +199,16 @@ window.addEventListener(
         );
 
         context = canvas.getContext('2d');
-        textBoxGameFinished = new TextBox(
+        textBoxGameFinished = new TextMessageGisela(
             'Gisela: "Thanks for showing up, Mr. Croc, but I\'m not in danger."',
-            window.innerWidth - 40,
             context
         );
-        textBoxGameFinished.font = 'Silkscreen';
-        textBoxGameFinished.verticalAlignment = 'bottom';
-        textBoxGameFinished.alignment = 1;
-        textBoxGameFinished.hasShadow = true;
-        textBoxGameFinished.textSize = 48;
-        textBoxGameFinished.hasBorder = true;
-        textBoxGameFinished.colorText = 'yellow';
-        textBoxGameFinished.colorBorder = 'black';
+
+        textBoxGameStart = new TextMessageMrCroc('Mr. Croc: "Where is Gisela? I have to find her!"', context);
+        textBoxGameStart.animate(75, 1000);
+        textBoxGameStart.show(1000);
+        textBoxGameStart.hide(10000);
+        userInterface.addTextBox(textBoxGameStart);
 
         architecture = RetroArchitecture.createFromData(level);
         camera.borderRight = architecture.columns * architecture.tileWidth;

js/ui/TextAlignment.js

@@ -0,0 +1,9 @@
+const TextAlignment = {
+    LEFT: 0,
+    CENTER: 1,
+    RIGHT: 2,
+    TOP: 3,
+    BOTTOM: 4,
+};
+
+export default TextAlignment;

js/ui/TextBox.js

@@ -1,20 +1,23 @@
 import TextLine from "./TextLine.js";
+import TextAlignment from "./TextAlignment.js";
+import UserInterfaceElement from "./UserInterfaceElement.js";
 
-export default class TextBox
+export default class TextBox extends UserInterfaceElement
 {
     constructor(text, width, context)
     {
+        super();
         this.text = text;
         this.width = width;
         this.colorText = 'red';
         this.colorShadow = 'black';
         this.colorBorder = 'black';
-        this.hasShadow = false;
-        this.hasBorder = false;
+        this.hasShadow = true;
+        this.hasBorder = true;
         this.font = 'Silkscreen';
-        this.textSize = 32;
-        this.alignment = 0;
-        this.verticalAlignment = 'top';
+        this.textSize = 48;
+        this.alignment = TextAlignment.CENTER;
+        this.verticalAlignment = TextAlignment.BOTTOM;
         this.lines = [];
 
         this.updateLines(width, context);
@@ -26,25 +29,34 @@ export default class TextBox
         this.lines = this.getLinesForWidth(this.text, context, width)
     }
 
-    animate(msForChar = 100)
+    animate(msForChar = 100, timeoutMilliseconds = 0)
     {
         let milliseconds = 0;
 
-        for (let l = 0; l < this.lines.length; l++) {
-            this.lines[l].chars = 0;
-            setTimeout(
-                () => {
-                    this.lines[l].animate(msForChar);
-                }, milliseconds
-            );
+        setTimeout(
+            () => {
+                for (let l = 0; l < this.lines.length; l++) {
+                    this.lines[l].chars = 0;
+                    setTimeout(
+                        () => {
+                            this.lines[l].animate(msForChar);
+                        }, milliseconds
+                    );
 
-            milliseconds += this.lines[l].text.length * msForChar;
-        }
+                    milliseconds += this.lines[l].text.length * msForChar;
+                }
+            }, timeoutMilliseconds
+        );
     }
 
-    draw(context, x, y)
+    draw(context, x = null, y = null)
     {
-        if (this.verticalAlignment === 'bottom') {
+        if (x === null && y === null) {
+            x = this.position.x;
+            y = this.position.y;
+        }
+
+        if (this.verticalAlignment === TextAlignment.BOTTOM) {
             let currentHeight = y;
 
             for (let l = this.lines.length - 1; l >= 0; l--) {

js/ui/TextLine.js

@@ -1,10 +1,9 @@
+import TextAlignment from "./TextAlignment.js";
+
 export default class TextLine
 {
     constructor(text)
     {
-        this.LEFT = 0;
-        this.CENTER = 1;
-        this.RIGHT = 2;
         this.text = text;
         this.estimatedTextWidth = null;
         this.colorText = 'red';
@@ -13,7 +12,7 @@ export default class TextLine
         this.font = 'sans-serif';
         this.alphaText = 1.0;
         this.size = 32;
-        this.alignment = this.LEFT;
+        this.alignment = TextAlignment.LEFT;
         this.chars = this.text.length;
         this.hasShadow = false;
         this.hasBorder = false;
@@ -44,12 +43,12 @@ export default class TextLine
         }
 
         switch (this.alignment) {
-            case this.LEFT:
+            case TextAlignment.LEFT:
                 break;
-            case this.CENTER:
+            case TextAlignment.CENTER:
                 x -= this.estimatedTextWidth * 0.5;
                 break;
-            case this.RIGHT:
+            case TextAlignment.RIGHT:
                 x -= this.estimatedTextWidth;
                 break;
         }

js/ui/TextMessage.js

@@ -0,0 +1,24 @@
+import TextBox from "./TextBox.js";
+import GeometryPoint from "../geometry/GeometryPoint.js";
+
+export default class TextMessage extends TextBox
+{
+    constructor(text, context) {
+        super(text, window.innerWidth - 40, context);
+        this.update();
+        this.context = context;
+    }
+
+    update()
+    {
+        this.defaultWidth = window.innerWidth - 40;
+        this.defaultPosition = new GeometryPoint(window.innerWidth * 0.5, window.innerHeight - 100);
+    }
+
+    render()
+    {
+        this.update();
+        this.setPosition(this.defaultPosition.x, this.defaultPosition.y);
+        this.updateLines(this.defaultWidth, this.context);
+    }
+}

js/ui/TextMessageGisela.js

@@ -0,0 +1,10 @@
+import TextMessage from "./TextMessage.js";
+
+export default class TextMessageGisela extends TextMessage
+{
+    constructor(text, context) {
+        super(text, context);
+        this.colorText = '#ffd400';
+        this.render();
+    }
+}

js/ui/TextMessageMrCroc.js

@@ -0,0 +1,10 @@
+import TextMessage from "./TextMessage.js";
+
+export default class TextMessageMrCroc extends TextMessage
+{
+    constructor(text, context) {
+        super(text, context);
+        this.colorText = '#15de00';
+        this.render();
+    }
+}

js/ui/UserInterface.js

@@ -0,0 +1,25 @@
+export default class UserInterface
+{
+    constructor()
+    {
+        this.textBoxes = [];
+    }
+
+    addTextBox(textBox)
+    {
+        this.textBoxes.push(textBox);
+
+        return this.textBoxes.length - 1;
+    }
+
+    draw(context)
+    {
+        this.textBoxes.forEach(
+            (textBox) => {
+                if (textBox.isVisible) {
+                    textBox.draw(context);
+                }
+            }
+        )
+    }
+}

js/ui/UserInterfaceElement.js

@@ -0,0 +1,38 @@
+import GeometryPoint from "../geometry/GeometryPoint.js";
+
+export default class UserInterfaceElement
+{
+    constructor()
+    {
+        this.position = new GeometryPoint(0, 0);
+        this.isVisible = true;
+    }
+
+    setPosition(x, y)
+    {
+        this.position.x = x;
+        this.position.y = y;
+    }
+
+    hide(timeoutMilliseconds = 0)
+    {
+        setTimeout(
+            () => {
+                this.isVisible = false
+            }, timeoutMilliseconds
+        );
+    }
+
+    show(timeoutMilliseconds = 0)
+    {
+        if (timeoutMilliseconds > 0) {
+            this.isVisible = false;
+        }
+
+        setTimeout(
+            () => {
+                this.isVisible = true;
+            }, timeoutMilliseconds
+        );
+    }
+}