mirror of
https://github.com/AlexMacocian/MonoGame.Extended.git
synced 2026-07-24 20:12:23 +00:00
56 lines
1.6 KiB
C#
56 lines
1.6 KiB
C#
using Microsoft.Xna.Framework;
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using MonoGame.Extended;
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using MonoGame.Extended.Entities;
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using Platformer.Collisions;
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namespace Platformer.Systems
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{
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[Aspect(AspectType.All, typeof(Body))]
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[EntitySystem(GameLoopType.Update, Layer = 0)]
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public class WorldSystem : EntityProcessingSystem
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{
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private readonly World _world;
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public WorldSystem()
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{
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_world = new World(new Vector2(0, 60)) {OnCollision = OnCollision};
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}
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public override void OnEntityAdded(Entity entity)
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{
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var body = entity.Get<Body>();
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_world.Bodies.Add(body);
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}
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public override void OnEntityRemoved(Entity entity)
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{
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var body = entity.Get<Body>();
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_world.Bodies.Remove(body);
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}
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protected override void Process(GameTime gameTime)
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{
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var elapsedSeconds = gameTime.GetElapsedSeconds();
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_world.Update(elapsedSeconds);
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base.Process(gameTime);
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}
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protected override void Process(GameTime gameTime, Entity entity)
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{
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}
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private static void OnCollision(Manifold manifold)
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{
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var body = manifold.BodyB.BodyType == BodyType.Dynamic ? manifold.BodyB : manifold.BodyA;
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body.Position -= manifold.Normal * manifold.Penetration;
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if (manifold.Normal.Y < 0 || manifold.Normal.Y > 0)
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body.Velocity.Y = 0;
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//if (manifold.Normal.X < 0 || manifold.Normal.X > 0)
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// body.Velocity = new Vector2(0, body.Velocity.Y);
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}
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}
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} |