Begin basic playground code, eventually will become a model viewer

playground/src/main/java/com/itspazaz/rt4/Playground.java

@@ -0,0 +1,56 @@
+package com.itspazaz.rt4;
+
+import rt4.*;
+
+public class Playground extends GameShell {
+    public static Playground instance;
+
+    public static void main(String[] args) {
+        instance = new Playground();
+        instance.startApplication(32, "runescape");
+        GameShell.frame.setLocation(40, 40);
+    }
+
+    @Override
+    public void init() {
+        instance = this;
+        this.startApplet(32);
+    }
+
+    @Override
+    protected void mainInit() {
+        Keyboard.init();
+        Keyboard.start(GameShell.canvas);
+        Mouse.start(GameShell.canvas);
+        SoftwareRaster.frameBuffer.makeTarget();
+    }
+
+    @Override
+    protected void mainLoop() {
+        Keyboard.loop();
+        Mouse.loop();
+
+        GameShell.frame.setTitle(Keyboard.pressedKeys[Keyboard.KEY_CTRL] ? "pressed" : "not pressed");
+    }
+
+    @Override
+    protected void mainRedraw() {
+        SoftwareRaster.clear();
+
+        SoftwareRaster.drawRect(50, 50, 100, 100, 0xFF00FF);
+
+        SoftwareRaster.frameBuffer.draw(GameShell.canvas.getGraphics());
+    }
+
+    @Override
+    protected void mainQuit() {
+        Keyboard.stop(GameShell.canvas);
+        Mouse.stop(GameShell.canvas);
+        Keyboard.quit();
+        Mouse.quit();
+    }
+
+    @Override
+    protected void reset() {
+    }
+}