public void DoAction(Entity entity)
{
var aiC = ComponentManager.Instance.GetEntityComponent <AiComponent>(entity);
var transformC = ComponentManager.Instance.GetEntityComponent <TransformComponent>(entity);
var distance = Vector2.Distance(V3ToV2(transformC.Position), aiC.Waypoint.WaypointPosition);
//Debug.WriteLine(distance);
if (distance <= aiC.Waypoint.Radius)
{
Debug.WriteLine("Reached Waypoint " + (aiC.Waypoint.Id + 1));
FindNextWaypoint(aiC);
aiC.Waypoint.SetRandomTargetPosition();
}
var angle = AiSystem.GetRotation(transformC.Position, aiC.Waypoint.TargetPosition);
//Run everytime?
if (!NearlyEqual(transformC.Angle, angle, Epsilon))
{
//MathHelper.Lerp seems to cause some strange behaviour.
//var curvedAngle = MathHelper.Lerp(transformC.Angle, angle, 0.05f);
var curvedAngle = CurveAngle(transformC.Angle, angle, 0.05f);
transformC.Rotation = Quaternion.CreateFromAxisAngle(Vector3.UnitY, curvedAngle);
transformC.Angle = curvedAngle;
}
if (transformC.Velocity.X < PhysicsManager.MaxSpeed)
{
transformC.Velocity += new Vector3(PhysicsManager.Acceleration, 0, 0);
}
else
{
transformC.Velocity = new Vector3(PhysicsManager.MaxSpeed, 0, 0);
}
}
public void DoAction(Entity entity)
{
var aiC = ComponentManager.Instance.GetEntityComponent <AiComponent>(entity);
var transformC = ComponentManager.Instance.GetEntityComponent <TransformComponent>(entity);
var powerup = ComponentManager.Instance.GetFirstEntityOfType <PowerupModelComponent>();
var powerupTransform = ComponentManager.Instance.GetEntityComponent <TransformComponent>(powerup);
var distanceToPowerup = Vector2.Distance(AiHelper.V3ToV2(transformC.Position), AiHelper.V3ToV2(powerupTransform.Position));
if (distanceToPowerup > 60)
{
//State change from within state as discussed here:
//https://sourcemaking.com/design_patterns/state
Debug.WriteLine("Changing State to Race");
aiC.SetState(new RaceState());
return;
}
var angle = AiSystem.GetRotation(transformC.Position, AiHelper.V3ToV2(powerupTransform.Position));
//Run everytime?
if (!AiHelper.NearlyEqual(transformC.Angle, angle, Epsilon))
{
//MathHelper.Lerp seems to cause some strange behaviour.
//var curvedAngle = MathHelper.Lerp(transformC.Angle, angle, 0.05f);
var curvedAngle = AiHelper.CurveAngle(transformC.Angle, angle, 0.15f);
transformC.Rotation = Quaternion.CreateFromAxisAngle(Vector3.UnitY, curvedAngle);
transformC.Angle = curvedAngle;
}
transformC.Velocity = AiHelper.Accelerate(transformC.Velocity);
}
public void DoAction(Entity entity)
{
var aiC = ComponentManager.Instance.GetEntityComponent <AiComponent>(entity);
var transformC = ComponentManager.Instance.GetEntityComponent <TransformComponent>(entity);
var player = ComponentManager.Instance.GetFirstEntityOfType <PlayerComponent>();
var playerTransform = ComponentManager.Instance.GetEntityComponent <TransformComponent>(player);
var distance = Vector2.Distance(AiHelper.V3ToV2(transformC.Position), aiC.Waypoint.WaypointPosition);
//Debug.WriteLine("distance:" + distance + " tranform.pos:" + transformC.Position + " waypointpos:" + aiC.Waypoint.WaypointPosition);
if (distance <= aiC.Waypoint.Radius)
{
Debug.WriteLine("Reached waypoint: " + (aiC.Waypoint.Id + 1));
AiHelper.FindNextWaypoint(aiC);
aiC.Waypoint.SetRandomTargetPosition();
}
//TODO: Lös varför AI:n snurrar runt waypoints ibland.
var distanceToPlayer = Vector2.Distance(AiHelper.V3ToV2(transformC.Position), AiHelper.V3ToV2(playerTransform.Position));
if (distanceToPlayer < 40 && distance > aiC.Waypoint.Radius * 2)
{
//State change from within state as discussed here:
//https://sourcemaking.com/design_patterns/state
Debug.WriteLine("Changing State to Ram");
aiC.SetState(new RamState());
return;
}
var powerup = ComponentManager.Instance.GetFirstEntityOfType <PowerupModelComponent>();
var powerupTransform = ComponentManager.Instance.GetEntityComponent <TransformComponent>(powerup);
var distanceToPowerup = Vector2.Distance(AiHelper.V3ToV2(transformC.Position), AiHelper.V3ToV2(powerupTransform.Position));
if (distanceToPowerup < 40)
{
//State change from within state as discussed here:
//https://sourcemaking.com/design_patterns/state
Debug.WriteLine("Changing State to Pickup");
aiC.SetState(new PickupState());
return;
}
var angle = AiSystem.GetRotation(transformC.Position, aiC.Waypoint.TargetPosition);
//Run everytime?
if (!AiHelper.NearlyEqual(transformC.Angle, angle, Epsilon))
{
//MathHelper.Lerp seems to cause some strange behaviour.
//var curvedAngle = MathHelper.Lerp(transformC.Angle, angle, 0.05f);
var curvedAngle = AiHelper.CurveAngle(transformC.Angle, angle, 0.05f);
transformC.Rotation = Quaternion.CreateFromAxisAngle(Vector3.UnitY, curvedAngle);
transformC.Angle = curvedAngle;
}
transformC.Velocity = AiHelper.Accelerate(transformC.Velocity);
}
private void InitAi(ECSEngine engine)
{
_sm.RegisterSystem("Game", new AiSystem());
var entity = EntityFactory.Instance.NewEntityWithTag("AiKart");
var modelC = new ModelComponent(engine.LoadContent <Model>("Chopper"), true, false, false)
{
staticModel = false
};
ModelRenderSystem.AddMeshTransform(ref modelC, 1, Matrix.CreateRotationY(0.2f));
ModelRenderSystem.AddMeshTransform(ref modelC, 3, Matrix.CreateRotationY(0.5f));
ComponentManager.Instance.AddComponentToEntity(entity, modelC);
//Create waypoints and add the AIComponent.
var waypoints = CreateWaypoints();
AiSystem.Waypoints = waypoints;
var aiC = new AiComponent(waypoints[0], new CountdownState());
ComponentManager.Instance.AddComponentToEntity(entity, aiC);
ComponentManager.Instance.AddComponentToEntity(entity, new Collision3Dcomponent());
var aiKartTransform = new TransformComponent {
Position = new Vector3(0.0f, 5.0f, 0.0f)
};
aiKartTransform.Rotation = Quaternion.CreateFromAxisAngle(Vector3.UnitY, AiSystem.GetRotation(aiKartTransform.Position, aiC.Waypoint.TargetPosition));
aiKartTransform.Scale = new Vector3(2.5f, 2.5f, 2.5f);
ComponentManager.Instance.AddComponentToEntity(entity, aiKartTransform);
SceneManager.Instance.AddEntityToSceneOnLayer("Game", 3, entity);
ComponentManager.Instance.AddComponentToEntity(entity, new PhysicsComponent()
{
Mass = 5f,
Force = new Vector3(15f, 250f, 0)
});
ComponentManager.Instance.AddComponentToEntity(entity, new GravityComponent());
//ComponentManager.Instance.AddComponentToEntity(entity, new FrictionComponent());
//ComponentManager.Instance.AddComponentToEntity(entity, new DragComponent());
ComponentManager.Instance.AddComponentToEntity(entity, new KartComponent());
ComponentManager.Instance.AddComponentToEntity(entity, new PlayerComponent());
ComponentManager.Instance.AddComponentToEntity(entity, new LapComponent());
}