add: credits layer

app/src/main/java/org/toop/app/layer/layers/CreditsLayer.java

@@ -0,0 +1,72 @@
+package org.toop.app.layer.layers;
+
+import org.toop.app.App;
+import org.toop.app.layer.Container;
+import org.toop.app.layer.Layer;
+import org.toop.app.layer.containers.HorizontalContainer;
+import org.toop.app.layer.containers.VerticalContainer;
+
+import javafx.animation.PauseTransition;
+import javafx.animation.TranslateTransition;
+import javafx.geometry.Pos;
+import javafx.util.Duration;
+
+public final class CreditsLayer extends Layer {
+	private final int lineHeight = 100;
+
+	private final String[] credits = {
+			"Scrum Master: Stef",
+			"Product Owner: Omar",
+			"Merge Commander: Bas",
+			"Localization: Ticho",
+			"AI: Michiel",
+			"Developers: Michiel, Bas, Stef, Omar, Ticho",
+			"Moral Support: Wesley (voor 1 week)",
+			"OpenGL: Omar"
+	};
+
+	CreditsLayer() {
+		super("credits.css");
+		reload();
+	}
+
+	@Override
+	public void reload() {
+		popAll();
+
+		final Container creditsContainer = new HorizontalContainer(0);
+
+		final Container animatedContainer = new VerticalContainer("animated_credits_container", lineHeight);
+		creditsContainer.addContainer(animatedContainer, true);
+
+		for (final String credit : credits) {
+			animatedContainer.addText("credit-text", credit, false);
+		}
+
+		final Container controlContainer = new VerticalContainer(5);
+		controlContainer.addButton("Back", () -> {
+			App.activate(new MainLayer());
+		});
+
+		addContainer(creditsContainer, Pos.CENTER, 0, 0, 50, 100);
+		addContainer(controlContainer, Pos.BOTTOM_LEFT, 2, -2, 0, 0);
+
+		playCredits(animatedContainer, App.getHeight());
+	}
+
+	private void playCredits(Container container, double sceneLength) {
+		container.getContainer().setTranslateY(-sceneLength);
+
+		final TranslateTransition scrollCredits = new TranslateTransition(Duration.seconds(20), container.getContainer());
+		scrollCredits.setFromY(-sceneLength - lineHeight);
+		scrollCredits.setToY(sceneLength + lineHeight);
+
+		scrollCredits.setOnFinished(_ -> {
+			final PauseTransition pauseCredits = new PauseTransition(Duration.seconds(3));
+			pauseCredits.setOnFinished(_ -> playCredits(container, sceneLength));
+			pauseCredits.play();
+		});
+
+		scrollCredits.play();
+	}
+}

app/src/main/java/org/toop/app/layer/layers/MainLayer.java

@@ -32,6 +32,7 @@ public final class MainLayer extends Layer {
 		final Container controlContainer = new VerticalContainer(5);
 
 		controlContainer.addButton("Credits", () -> {
+			App.activate(new CreditsLayer());
 		});
 
 		controlContainer.addButton("Options", () -> {