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| author | Elizabeth Hunt <me@liz.coffee> | 2025-10-26 17:25:13 -0700 |
|---|---|---|
| committer | Elizabeth Hunt <me@liz.coffee> | 2025-10-26 17:25:13 -0700 |
| commit | 395aa7d1c312e495517701be11c21425d9a5838e (patch) | |
| tree | 4ad184b082838c56149cc1d1efe191cfd3d0679b /composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/game/Game.kt | |
| parent | 64f825465de9fa30c4dfe2707067efdb96110db8 (diff) | |
| download | abstraction-engine-kt-395aa7d1c312e495517701be11c21425d9a5838e.tar.gz abstraction-engine-kt-395aa7d1c312e495517701be11c21425d9a5838e.zip | |
Checkpoint
Diffstat (limited to 'composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/game/Game.kt')
| -rw-r--r-- | composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/game/Game.kt | 37 |
1 files changed, 4 insertions, 33 deletions
diff --git a/composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/game/Game.kt b/composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/game/Game.kt index 9490f83..0c3a007 100644 --- a/composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/game/Game.kt +++ b/composeApp/src/commonMain/kotlin/coffee/liz/abstractionengine/game/Game.kt @@ -6,64 +6,35 @@ import androidx.compose.ui.Modifier import androidx.compose.ui.graphics.Color import coffee.liz.ecs.World import kotlinx.coroutines.isActive +import kotlin.time.Duration.Companion.nanoseconds /** - * Manages the game loop for an ECS world. - * Syncs with Compose's frame rate (like requestAnimationFrame) and provides - * the world to child content for custom rendering/UI. - * - * @param world The ECS world containing entities and systems - * @param content Composable content that can use the world for rendering + * Manages and paints the [World]. */ @Composable fun Game( world: World, content: @Composable () -> Unit ) { - // Trigger recomposition when we need to redraw var frameCount by remember { mutableStateOf(0) } - // Game loop - syncs with Compose's frame rate like requestAnimationFrame LaunchedEffect(world) { - var lastFrameTimeNanos = 0L + var lastUpdate: Long? = null while (isActive) { - // Wait for next frame (like requestAnimationFrame) withFrameNanos { frameTimeNanos -> - val deltaTime = if (lastFrameTimeNanos != 0L) { - (frameTimeNanos - lastFrameTimeNanos) / 1_000_000_000f - } else { - 0f - } - lastFrameTimeNanos = frameTimeNanos - - // Update ECS world (runs all systems) - if (deltaTime > 0f) { - world.update(deltaTime) - } - - // Trigger recomposition to redraw frameCount++ } } } - // Render content content() } -/** - * A Canvas that renders sprites from an ECS world using a RenderSystem. - * - * @param world The ECS world containing entities to render - * @param renderSystem The system responsible for rendering sprites - * @param backgroundColor Background color for the canvas - * @param modifier Modifier for the Canvas - */ @Composable fun GameCanvas( world: World, - renderSystem: RenderSystem, + renderSystem: Renderer, backgroundColor: Color = Color.Transparent, modifier: Modifier = Modifier ) { |
