internal void Begin()
{
//
// mmGame calls Begin() before a new scene window is created
//
SceneColliderDatabase.Initialize();
//
// Allow Entitas to init systems, auto collect matched systems, no manual Systems.Add(ISystem) required
//
EntitySystems = new Entitas.Feature(null); //game entities
EntitySystems.Initialize();
//SceneSystems = new Entitas.Feature(null); //scene UI entities
//SceneSystems.Initialize();
OnStart();
}
public override void Update(float deltaTime)
{
base.Update(deltaTime);
//
// Has Entity been assigned yet?
//
if (CompEntity == null)
{
return;
}
if (!Enabled)
{
return;
}
//
// update location of box containing the collider
//
if (!fixedCollider)
{
boxContainer.x = Transform.Position.X - OriginLocal.X;
boxContainer.y = Transform.Position.Y - OriginLocal.Y;
BoxPoints = new List <Vector2>();
Vector2 topL = new Vector2(boxContainer.x, boxContainer.y);
Vector2 topR = new Vector2(topL.X + boxContainer.width, topL.Y);
Vector2 botL = new Vector2(topL.X, topL.Y + boxContainer.height);
Vector2 botR = new Vector2(topR.X, topR.Y + boxContainer.height);
BoxPoints.Add(topL);
BoxPoints.Add(botL);
BoxPoints.Add(botR);
BoxPoints.Add(topR);
//
// Find the min & max vectors for collision
//
CollisionBox.Fit(BoxPoints); //updates the position of this collider
}
if (!setSceneColliders)
{
//
// update the database of colliders in this scene (happens only once)
//
SceneColliderDatabase.SetCollider(CompEntity, CollidreShape.Box);
setSceneColliders = true;
}
}
/// <summary>
/// Add an entity/children to be destroyed after Scene Update/Render is done
/// </summary>
/// <param name="entity"></param>
public static void DestroyGameEntity(Entity entity)
{
//
// All children added first (to be removed)
//
if (entity.Get <Transform>().ChildCount > 0)
{
foreach (Component child in entity.Get <Transform>().Children)
{
GameEntityToDestroy.TryAdd(child.CompEntity, true);
SceneColliderDatabase.RemoveCollider(child.CompEntity);
}
}
//
// Add entity to be removed
//
GameEntityToDestroy.TryAdd(entity, true);
SceneColliderDatabase.RemoveCollider(entity);
}
public override void Update(float deltaTime)
{
base.Update(deltaTime);
//
// Has Entity been assigned yet?
//
if (CompEntity == null)
{
return;
}
//
// update location of box containing the collider
//
boxContainer.x = Transform.Position.X;
boxContainer.y = Transform.Position.Y;
BoxPoints = new List <Vector2>();
Vector2 topL = new Vector2(boxContainer.x, boxContainer.y - Radius); //north
Vector2 topR = new Vector2(boxContainer.x - Radius, boxContainer.y); //west
Vector2 botL = new Vector2(boxContainer.x + Radius, boxContainer.y); //east
Vector2 botR = new Vector2(boxContainer.x, boxContainer.y + Radius); //south
BoxPoints.Add(topL);
BoxPoints.Add(botL);
BoxPoints.Add(botR);
BoxPoints.Add(topR);
//
// Find the min & max vectors for collision
//
CollisionBox.Fit(BoxPoints); //updates the position of this collider
if (!setScenColliders)
{
//
// update the database of colliders in this scene (happens only once)
//
SceneColliderDatabase.SetCollider(CompEntity, CollidreShape.Circle);
setScenColliders = true;
}
}
private void Move(Vector2 motion)
{
MoveCollisionResult = new CollisionResult();
Transform.Position += motion * this.Speed * Global.DeltaTime;
if (SceneColliderDatabase.CollidedWithBox(CompEntity, out MoveCollisionResult))
{
//
// continue moving if both entities that hit eachother
// are either enemies or friends
//
if (CompEntity.IsEnemy && MoveCollisionResult.CompEntity.IsEnemy)
{
return; //both enemy
}
if (!CompEntity.IsEnemy && !MoveCollisionResult.CompEntity.IsEnemy)
{
return; //both friends
}
this.IsMoving = false; // stop moving(enemy hit a friendly OR friendly hit an enemy
}
return;
}
