Checkpoint

1 files changed, 27 insertions, 0 deletions

diff --git a/composeApp/src/commonMain/kotlin/coffee/liz/ecs/physics/IntegrationTick.kt b/composeApp/src/commonMain/kotlin/coffee/liz/ecs/physics/IntegrationTick.kt
new file mode 100644
index 0000000..03af835
--- /dev/null
+++ b/composeApp/src/commonMain/kotlin/coffee/liz/ecs/physics/IntegrationTick.kt
@@ -0,0 +1,27 @@
+package coffee.liz.ecs.physics
+
+import coffee.liz.ecs.World
+
+internal class IntegrationTick<Outside> {
+    fun runTick(world: World<Outside>) {
+        world.query(Velocity::class, Acceleration::class).forEach { entity ->
+            val velocity = entity.get(Velocity::class)
+            val acceleration = entity.get(Acceleration::class)
+            entity.add(
+                Velocity(
+                    vec2 = velocity.vec2.plus(acceleration.vec2)
+                )
+            )
+        }
+
+        world.query(Position::class, Velocity::class).forEach { entity ->
+            val position = entity.get(Position::class)
+            val velocity = entity.get(Acceleration::class)
+            entity.add(
+                Position(
+                    vec2 = position.vec2.plus(velocity.vec2)
+                )
+            )
+        }
+    }
+}
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