private bool OnStart()
{
var backbufferWidth = (float)GraphicsDevice.BackbufferWidth();
var backbufferHeight = (float)GraphicsDevice.BackbufferHeight();
// Init area.
var borderThickness = 32.0f;
var area = new Rectf(borderThickness,
borderThickness,
backbufferWidth - borderThickness * 2.0f,
backbufferHeight - borderThickness);
// Create player.
var playerSize = new Vector2(128.0f, 32.0f);
var playerPosition = new Vector2(area.Right - area.width / 2.0f,
area.Bottom - borderThickness * 4.0f);
player = new Player(playerPosition, playerSize, area);
player.Rect.Fill = Color.Green;
// Create borders.
var borderElements = new Rectangle[4];
// Right.
borderElements[0] = new Rectangle(new Vector2(backbufferWidth - borderThickness / 2.0f, backbufferHeight / 2.0f),
new Vector2(borderThickness, backbufferHeight));
// Left.
borderElements[1] = new Rectangle(new Vector2(borderThickness / 2.0f, backbufferHeight / 2.0f),
new Vector2(borderThickness, backbufferHeight));
// Top.
borderElements[2] = new Rectangle(new Vector2(backbufferWidth / 2.0f, borderThickness / 2.0f),
new Vector2(backbufferWidth - borderThickness, borderThickness));
// Bottom.
borderElements[3] = new Rectangle(new Vector2(backbufferWidth / 2.0f, backbufferHeight - borderThickness / 2.0f),
new Vector2(backbufferWidth - borderThickness, borderThickness));
// Create ball.
const float radius = 32.0f;
var playerTransform = player.Rect.Transform;
ball = new Ball(new Vector2(playerTransform.position.x + player.Rect.LocalBounds.width / 2.0f,
playerTransform.position.y - player.Rect.LocalBounds.height * 2.0f), radius,
new Rectf[] { borderElements[0].GlobalBounds, borderElements[1].GlobalBounds, borderElements[2].GlobalBounds, borderElements[3].GlobalBounds });
ball.Circle.Fill = Color.Green;
ball.Circle.BorderFill = new Color(125, 125, 0, 255);
// Create 8x8 grid of bricks.
bricks = new List <Rectangle>();
// Offset.
const float rows = 8.0f;
const float columns = 8.0f;
const float boff = 64.0f;
// Start x and y.
var bsx = area.Left + boff;
var bsy = area.Top + boff;
// Width and height.
var bw = (area.width - boff * 2.0f) / columns;
var bh = (area.height / 2.0f) / rows;
for (var h = 0; h < 8; h++)
{
for (var w = 0; w < 8; w++)
{
var x = bsx + w * bw;
var y = bsy + h * bh;
var brick = new Rectangle(x, y, bw, bh);
var color = new Color((float)rand.NextDouble(),
(float)rand.NextDouble(),
(float)rand.NextDouble(),
(float)rand.NextDouble());
var transform = brick.Transform;
transform.origin = Vector3.Zero;
brick.Transform = transform;
brick.Fill = color;
bricks.Add(brick);
}
}
// Create layer and add elements.
var layer = Layers.CreateDynamic("bottom");
layer.Add(player.Rect);
layer.Add(ball.Circle);
foreach (var element in borderElements)
{
layer.Add(element);
}
foreach (var element in bricks)
{
layer.Add(element);
}
return(true);
}
