From 395aa7d1c312e495517701be11c21425d9a5838e Mon Sep 17 00:00:00 2001 From: Elizabeth Hunt Date: Sun, 26 Oct 2025 17:25:13 -0700 Subject: Checkpoint --- .../kotlin/coffee/liz/ecs/physics/CollisionTick.kt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 composeApp/src/commonMain/kotlin/coffee/liz/ecs/physics/CollisionTick.kt (limited to 'composeApp/src/commonMain/kotlin/coffee/liz/ecs/physics/CollisionTick.kt') diff --git a/composeApp/src/commonMain/kotlin/coffee/liz/ecs/physics/CollisionTick.kt b/composeApp/src/commonMain/kotlin/coffee/liz/ecs/physics/CollisionTick.kt new file mode 100644 index 0000000..bc34ac1 --- /dev/null +++ b/composeApp/src/commonMain/kotlin/coffee/liz/ecs/physics/CollisionTick.kt @@ -0,0 +1,28 @@ +package coffee.liz.ecs.physics + +import coffee.liz.ecs.Rect +import coffee.liz.ecs.World + +internal class CollisionTick( + private val collisionResolver: CollisionResolver +) { + fun runTick(world: World) { + // Eh, fast enough for now. Don't need to do any fancy collision detection. There's always later to improve if + // it's that bad. + world.query(Collidable::class, Position::class).forEach { a -> + world.query(Collidable::class, Position::class).forEach { b -> + val aHitBoxes = a.get(Position::class).let { pos -> a.get(Collidable::class).hitboxes.map { + Rect(pos.vec2, it.dimensions) + }} + val bHitBoxes = b.get(Position::class).let { pos -> b.get(Collidable::class).hitboxes.map { + Rect(pos.vec2, it.dimensions) + }} + + val collisionDetected = aHitBoxes.any { a -> bHitBoxes.any { b -> a.overlaps(b) } } + if (collisionDetected) { + collisionResolver.resolveCollision(world, a, b) + } + } + } + } +} \ No newline at end of file -- cgit v1.2.3-70-g09d2