private Spawner BuildBulletSpawner(CollisionService collisionService)
{
var spriteSheet = _assetsResolver.Get <SpriteSheet>("assets/sheet.json");
var spawner = new Spawner(() =>
{
var bullet = new GameObject();
bullet.Components.Add <TransformComponent>();
var bulletSpriteRenderer = bullet.Components.Add <SpriteRenderComponent>();
bulletSpriteRenderer.Sprite = spriteSheet.Get("fire01.png");
bulletSpriteRenderer.LayerIndex = (int)RenderLayers.Items;
var bulletBBox = bullet.Components.Add <BoundingBoxComponent>();
bulletBBox.SetSize(bulletSpriteRenderer.Sprite.Bounds.Size);
var speed = 7000f;
var bulletRigidBody = bullet.Components.Add <MovingBody>();
bulletRigidBody.MaxSpeed = speed;
var brain = bullet.Components.Add <BulletBrain>();
brain.Speed = speed;
brain.Display = this.Game.Display;
collisionService.Add(bulletBBox);
return(bullet);
}, bullet =>
{
bullet.Components.Get <MovingBody>().Reset();
bullet.Components.Get <TransformComponent>().Local.Reset();
bullet.Components.Get <TransformComponent>().World.Reset();
});
spawner.Components.Add <TransformComponent>();
return(spawner);
}
private Spawner BuildAsteroidsSpawner(CollisionService collisionService)
{
var spriteNames = new[]
{
"meteorBrown_big1.png",
"meteorBrown_big2.png",
"meteorBrown_big3.png",
"meteorBrown_big4.png",
"meteorGrey_big1.png",
"meteorGrey_big2.png",
"meteorGrey_big3.png",
"meteorGrey_big4.png",
};
int spriteIndex = 0;
var spriteSheet = _assetsResolver.Get <SpriteSheet>("assets/sheet.json");
var spawner = new Spawner(() =>
{
var asteroid = new GameObject();
var transform = asteroid.Components.Add <TransformComponent>();
var spriteRenderer = asteroid.Components.Add <SpriteRenderComponent>();
var sprite = spriteSheet.Get(spriteNames[spriteIndex]);
spriteIndex = spriteIndex + 1 % spriteNames.Length;
spriteRenderer.Sprite = sprite;
spriteRenderer.LayerIndex = (int)RenderLayers.Enemies;
var bbox = asteroid.Components.Add <BoundingBoxComponent>();
bbox.SetSize(sprite.Bounds.Size);
collisionService.Add(bbox);
var brain = asteroid.Components.Add <AsteroidBrain>();
brain.Display = this.Game.Display;
brain.OnDeath += o =>
{
_killedAsteroids++;
_gameStats.IncreaseScore();
var explosion = _explosionsSpawner.Spawn();
var explosionTransform = explosion.Components.Get <TransformComponent>();
explosionTransform.Local.Clone(transform.Local);
explosionTransform.World.Clone(transform.Local);
};
return(asteroid);
}, asteroid =>
{
var transform = asteroid.Components.Get <TransformComponent>();
transform.World.Reset();
transform.Local.Reset();
transform.Local.Position.X = MathUtils.Random.NextBool() ? 0 : this.Game.Display.Size.Width;
transform.Local.Position.Y = MathUtils.Random.NextBool() ? 0 : this.Game.Display.Size.Height;
var brain = asteroid.Components.Get <AsteroidBrain>();
var dir = _player.Components.Get <TransformComponent>().Local.Position - transform.Local.Position;
brain.Direction = Vector2.Normalize(dir);
brain.Speed = (float)MathUtils.Random.NextDouble(0.15, 0.5);
//var w = (double)this.Game.Display.Size.Width;
//var rx = MathUtils.Random.NextDouble(0, .4, .6, 1);
//var tx = MathUtils.Normalize(rx, 0, 1, -1, 1);
//transform.Local.Position.X = (float)(tx * w / 2.5 + w / 2);
//var h = (double)this.Game.Display.Size.Height;
//var ry = MathUtils.Random.NextDouble(0, .35, .65, 1);
//var ty = MathUtils.Normalize(ry, 0, 1, -1, 1);
//transform.Local.Position.Y = (float)(ty * h / 2.5 + h / 2);
});
spawner.Components.Add <TransformComponent>();
return(spawner);
}