| public ReplacePosition ( IntVector2 newValue ) : Entity | ||
| newValue | IntVector2 | |
| return | Entity | |
//I explored several ways to have this system only respond when a paddle's position changes
//1. _group.OnEntityUpdated += OnPaddlePositionUpdated; I'm using this now.
//2. I couldn't find a way to do it with "public TriggerOnEvent trigger". its more about entity add than components, yes?
//3. _onPaddlePositionUpdated = _group.CreateObserver(GroupEventType.OnEntityAdded). its more about entity add than components, yes?
private void Group_OnEntityUpdated(Group group, Entity entity, int index, IComponent previousComponent, IComponent newComponent)
{
float sizeY = entity.view.bounds.size.y / 2;
Vector3 nextVelocity = entity.velocity.velocity;
Vector3 nextPosition = entity.position.position;
float bounceAmount = entity.boundsBounce.bounceAmount;
//Bottom
if (entity.position.position.y - sizeY < _bounds.min.y)
{
nextVelocity = new Vector3 (nextVelocity.x, nextVelocity.y * bounceAmount, nextVelocity.z);
_pool.CreateEntity().AddPlayAudio(GameConstants.Audio_Collision, GameConstants.AudioVolume);
//order matters
//1
entity.ReplacePosition(new Vector3 (nextPosition.x, _bounds.min.y + sizeY, nextPosition.z));
//2
entity.ReplaceVelocity(nextVelocity);
}
//Top
else if (entity.position.position.y + sizeY > _bounds.max.y)
{
nextVelocity = new Vector3 (nextVelocity.x, nextVelocity.y * bounceAmount, nextVelocity.z);
_pool.CreateEntity().AddPlayAudio(GameConstants.Audio_Collision, GameConstants.AudioVolume);
//order matters
//1
entity.ReplacePosition(new Vector3 (nextPosition.x, _bounds.max.y - sizeY, nextPosition.z));
//2
entity.ReplaceVelocity(nextVelocity);
}
}
private void Wrap(Entity entity, UnityEngine.Bounds bounds)
{
var position = entity.position;
if (position.x < bounds.min.x)
entity.ReplacePosition(position.x + bounds.size.x, position.y);
if (position.x > bounds.max.x)
entity.ReplacePosition(position.x - bounds.size.x, position.y);
if (position.y < bounds.min.y)
entity.ReplacePosition(position.x, position.y + bounds.size.y);
if (position.y > bounds.max.y)
entity.ReplacePosition(position.x, position.y - bounds.size.y);
}
void moveDown(Entity e, int column, int row, Entity[,] grid)
{
var nextRowPos = grid.GetNextEmptyRow(column, row);
if (nextRowPos != row) {
grid[column, nextRowPos] = e;
grid[column, row] = null;
e.ReplacePosition(column, nextRowPos);
}
}
//I explored several ways to have this system only respond when a paddle's position changes
//1. _group.OnEntityUpdated += OnPaddlePositionUpdated; I'm using this now.
//2. I couldn't find a way to do it with "public TriggerOnEvent trigger". its more about entity add than components, yes?
//3. _onPaddlePositionUpdated = _group.CreateObserver(GroupEventType.OnEntityAdded). its more about entity add than components, yes?
private void PaddleGroup_OnEntityAdded(Group group, Entity paddleEntity, int index, IComponent previousComponent, IComponent newComponent)
{
Bounds bounds = _gameEntity.bounds.bounds;
float sizeY = paddleEntity.view.bounds.size.y / 2;
Vector3 nextPosition = paddleEntity.position.position;
//Be careful only to call paddleEntity.ReplacePosition() within the 'if' to prevent an infinite loop - srivello
//Bottom
if (paddleEntity.position.position.y - sizeY < bounds.min.y)
{
nextPosition = new Vector3(nextPosition.x, bounds.min.y + sizeY, nextPosition.z);
paddleEntity.ReplacePosition(nextPosition);
paddleEntity.ReplaceVelocity(Vector3.zero);
}
//Top
else if (paddleEntity.position.position.y + sizeY > bounds.max.y)
{
nextPosition = new Vector3(nextPosition.x, bounds.max.y - sizeY, nextPosition.z);
paddleEntity.ReplacePosition(nextPosition);
paddleEntity.ReplaceVelocity(Vector3.zero);
}
}
/*
*
* Wiki
*
*
*/
static void entityExample(Entity entity) {
entity.AddPosition(3, 7);
entity.AddHealth(100);
entity.isMovable = true;
entity.ReplacePosition(10, 100);
entity.ReplaceHealth(entity.health.health - 1);
entity.isMovable = false;
entity.RemovePosition();
var hasPos = entity.hasPosition;
var movable = entity.isMovable;
}
static void positionComponent(Entity e, PositionComponent component, int x, int y)
{
var pos = e.position;
var has = e.hasPosition;
e.AddPosition(x, y);
e.AddPosition(component);
e.ReplacePosition(x, y);
e.RemovePosition();
}