Keeping score

When you score a goal, it should add to your score. If you miss, points are deducted from your score. Scores are displayed in the UI. We will also keep track of your all-time high score, using persistent storage. First, we'll create a UI for the score board.

Current core UI

The score board will be a canvas child of ThrowingGame:

1. With ThrowingGame selected in the Hierarchy, create a new UI | Canvas, named GameCanvas.
2. Set its Render Mode to World Space.
3. For its Rect Transform, set Scale to (0.015, 0.015, 0.015).
4. And Anchors: Min (0,5, 0.5), Max (0.5, 0.5) and Pivot (0.5, 0.5).
5. Then Position (-1, 2.5, 1), Width/Height: (100, 100).
6. Set the Canvas Scaler Dynamic Pixels Per Unit to 4, to give the text some higher resolution.

The Canvas gets a child Panel, which in turn gets child Text elements:

1. Add a child of GameCanvas, create a UI |Panel, named ScorePanel.
2. Set its Rect Transform Left: -40, and Right: 40.
3. If you've installed the BallGame assets pack, set its Source Image to Circle (doughnut...