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Flatmap breaks teamvm #4

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Flatmap breaks teamvm #4

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21 changes: 10 additions & 11 deletions core/src/main/scala/com/pluto/box/BreakoutGame.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -45,10 +45,11 @@ class BreakoutGame extends Game {
.add(new RenderableComponent)
}

lazy val blocks: Seq[Entity] = {
// If you `flatten` or `flatMap` this TeaVM won't compile.
lazy val blocks: Seq[IndexedSeq[Entity]] = {
val blockWidth = 63
val blockHeight = 20
(Gdx.graphics.getWidth / 2 to Gdx.graphics.getHeight by blockHeight + 10).zipWithIndex.flatMap({case (y: Int, colorIndex: Int) =>
(Gdx.graphics.getWidth / 2 to Gdx.graphics.getHeight by blockHeight + 10).zipWithIndex.map({case (y: Int, colorIndex: Int) =>
(0 to Gdx.graphics.getWidth by blockWidth + 10).map(x => {
val positionComponent = new PositionComponent
positionComponent.x = x
Expand All @@ -67,22 +68,20 @@ class BreakoutGame extends Game {

override def create(): Unit = {
// add entities
// ashleyEngine.addEntity(ball)
// ashleyEngine.addEntity(paddle)
// blocks.foreach(println) // line should be blocks.foreach(ashleyEngine.addEntity)
ashleyEngine.addEntity(ball)
ashleyEngine.addEntity(paddle)
blocks.foreach(_.foreach(ashleyEngine.addEntity))

// add systems
// ashleyEngine.addSystem(new MouseXTrackingMovementSystem)
// ashleyEngine.addSystem(new MovementSystem)
// ashleyEngine.addSystem(new RenderingSystem(shapeRenderer))
ashleyEngine.addSystem(new MouseXTrackingMovementSystem)
ashleyEngine.addSystem(new MovementSystem)
ashleyEngine.addSystem(new RenderingSystem(shapeRenderer))
}

override def render(): Unit = {
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT)
shapeRenderer.begin(ShapeRenderer.ShapeType.Filled)
// ashleyEngine.update(Gdx.graphics.getDeltaTime)
shapeRenderer.setColor(Color.BLUE)
shapeRenderer.circle(50, 50, 50)
ashleyEngine.update(Gdx.graphics.getDeltaTime)
shapeRenderer.end()
}
}