protected void FindSurface(Collider2D collider)
{
Vector3 forward = spriteOriginallyFacesLeft ? Vector3.left : Vector3.right;
if (m_SpriteRenderer.flipX)
{
forward.x = -forward.x;
}
TileBase surfaceHit = PhysicsHelper.FindTileForOverride(collider, transform.position, forward);
VFXController.Instance.Trigger(VFX_HASH, transform.position, 0, m_SpriteRenderer.flipX, null, surfaceHit);
}
public bool MakePlatformFallthrough()
{
int colliderCount = 0;
int fallthroughColliderCount = 0;
for (int i = 0; i < m_CharacterController2D.GroundColliders.Length; i++)
{
Collider2D col = m_CharacterController2D.GroundColliders[i];
if (col == null)
{
continue;
}
colliderCount++;
if (PhysicsHelper.ColliderHasPlatformEffector(col))
{
fallthroughColliderCount++;
}
}
if (fallthroughColliderCount == colliderCount)
{
for (int i = 0; i < m_CharacterController2D.GroundColliders.Length; i++)
{
Collider2D col = m_CharacterController2D.GroundColliders[i];
if (col == null)
{
continue;
}
PlatformEffector2D effector;
PhysicsHelper.TryGetPlatformEffector(col, out effector);
FallthroughReseter reseter = effector.gameObject.AddComponent <FallthroughReseter>();
reseter.StartFall(effector);
//set invincible for half a second when falling through a platform, as it will make the player "standup"
StartCoroutine(FallThroughtInvincibility());
}
}
return(fallthroughColliderCount == colliderCount);
}
public void FindCurrentSurface()
{
Collider2D groundCollider = m_CharacterController2D.GroundColliders[0];
if (groundCollider == null)
{
groundCollider = m_CharacterController2D.GroundColliders[1];
}
if (groundCollider == null)
{
return;
}
TileBase b = PhysicsHelper.FindTileForOverride(groundCollider, transform.position, Vector2.down);
if (b != null)
{
m_CurrentSurface = b;
}
}
static void Create()
{
GameObject physicsHelperGameObject = new GameObject("PhysicsHelper");
s_Instance = physicsHelperGameObject.AddComponent <PhysicsHelper> ();
}
/// <summary>
/// This updates the state of IsGrounded. It is called automatically in FixedUpdate but can be called more frequently if higher accurracy is required.
/// </summary>
public void CheckCapsuleEndCollisions(bool bottom = true)
{
Vector2 raycastDirection;
Vector2 raycastStart;
float raycastDistance;
//Si el componente CapsuleCollider2D no esta
if (m_Capsule == null)
{
//inicio de rayo comienza con la posicion del rigid + la compensación
raycastStart = m_Rigidbody2D.position + Vector2.up;
raycastDistance = 1f + groundedRaycastDistance;
if (bottom)
{
raycastDirection = Vector2.down;
m_RaycastPositions[0] = raycastStart + Vector2.left * 0.4f;
m_RaycastPositions[1] = raycastStart;
m_RaycastPositions[2] = raycastStart + Vector2.right * 0.4f;
}
else
{
raycastDirection = Vector2.up;
m_RaycastPositions[0] = raycastStart + Vector2.left * 0.4f;
m_RaycastPositions[1] = raycastStart;
m_RaycastPositions[2] = raycastStart + Vector2.right * 0.4f;
}
}
else//si hay componente CapsulaCollider 2D
{
//inicio de rayo comienza con la posicion del rigid + la compensación
raycastStart = m_Rigidbody2D.position + m_Capsule.offset; //encuentre el centro del personaje
raycastDistance = m_Capsule.size.x * 0.5f + groundedRaycastDistance * 2f; //valor de mitad del personaje en x + rayo a Piso= .1f *2f(supungo que para anticipar mas el rayo)
if (bottom)
{
//Calcule el inicio del rayo en el centro inferior, multiplico down(-) por la mitad Y y a Y le quita el valor de la mitad de X del tamaño del collider
raycastDirection = Vector2.down;
Vector2 raycastStartBottomCentre = raycastStart + Vector2.down * (m_Capsule.size.y * 0.5f - m_Capsule.size.x * 0.5f);
//Pondra los rayos justo antes de la curvatura de la capsula en la parte inferior
m_RaycastPositions[0] = raycastStartBottomCentre + Vector2.left * m_Capsule.size.x * 0.5f;
m_RaycastPositions[1] = raycastStartBottomCentre;
m_RaycastPositions[2] = raycastStartBottomCentre + Vector2.right * m_Capsule.size.x * 0.5f;
}
else
{
raycastDirection = Vector2.up;
Vector2 raycastStartTopCentre = raycastStart + Vector2.up * (m_Capsule.size.y * 0.5f - m_Capsule.size.x * 0.5f);
//Igual que en el if pero arriba
m_RaycastPositions[0] = raycastStartTopCentre + Vector2.left * m_Capsule.size.x * 0.5f;
m_RaycastPositions[1] = raycastStartTopCentre;
m_RaycastPositions[2] = raycastStartTopCentre + Vector2.right * m_Capsule.size.x * 0.5f;
}
}
//Emicion de Rayo y Colisionadores en el piso
for (int i = 0; i < m_RaycastPositions.Length; i++)
{
//Cuenta la cantidad de objetos golpeados
int count = Physics2D.Raycast(m_RaycastPositions[i], raycastDirection, m_ContactFilter, m_HitBuffer, raycastDistance);
if (bottom)//Si es piso almacene lo encontrado colliders o no.
{
//Encontro mas de un golpe? si si:almacene ese golpetemporal encontrado, sino:almacene un raycashit2d vacio
m_FoundHits[i] = count > 0 ? m_HitBuffer[0] : new RaycastHit2D(); //almacene el primer objeto golpeado de cada uno de los 3 rayos
m_GroundColliders[i] = m_FoundHits[i].collider; //Almacene los collider de los primeros golpes encontrados (Se usa para plataformas mobiles mas abajo)
}
else//Es techo
{
IsCeilinged = false;//si va en el aire y no ha golpeado nada
//hasta la cantidad de golpes
for (int j = 0; j < m_HitBuffer.Length; j++)
{
if (m_HitBuffer[j].collider != null) //Si lo que golpeo tiene un collider
{ //Creo dice si es diferente a una plataforma mobil entonces es techo
if (!PhysicsHelper.ColliderHasPlatformEffector(m_HitBuffer[j].collider)) //Cache para plataformas
{
IsCeilinged = true; //Es techo
}
}
}
}
}
//Determina normales para saber si esta en el piso
if (bottom)
{
Vector2 groundNormal = Vector2.zero;
int hitCount = 0;
for (int i = 0; i < m_FoundHits.Length; i++)
{
if (m_FoundHits[i].collider != null) //Si hay colliders encontrados en el primer impacto de cada rayo
{
groundNormal += m_FoundHits[i].normal; //Acumule en el vector2 las normales de todos los golpes encontrados
hitCount++;
}
}
if (hitCount > 0) //Si hay golpes
{
groundNormal.Normalize(); // normalice el vector acumulador
}
//velocidad relativa a la plataforma mobil
Vector2 relativeVelocity = Velocity;
for (int i = 0; i < m_GroundColliders.Length; i++)
{
if (m_GroundColliders[i] == null) //sino encuentra collider
{
continue; // salte al final del bucle evitando llamar a La clase de ayuda
}
MovingPlatform movingPlatform;
if (PhysicsHelper.TryGetMovingPlatform(m_GroundColliders[i], out movingPlatform))
{
relativeVelocity -= movingPlatform.Velocity / Time.deltaTime;
break;
}
}
//Piso. Debe determinar si esta en el piso
//Si la normal en X e Y es 0 es porque esta en el aire no hay normales que rebotan de los colliders
if (Mathf.Approximately(groundNormal.x, 0f) && Mathf.Approximately(groundNormal.y, 0f))
{
IsGrounded = false;
}
else// Es piso
{
IsGrounded = relativeVelocity.y <= 0f;//Es piso si hay normales rebotando y velocidad relativa en Y es menor o igual a cero, es decir si el personaje esta quieto o con gravedad ejerciendo
if (m_Capsule != null) //Si no tiene capsula
{
if (m_GroundColliders[1] != null) //Pero encontro un golpe en la posicion 1, supungo que cero seria el mismo
{
float capsuleBottomHeight = m_Rigidbody2D.position.y + m_Capsule.offset.y - m_Capsule.size.y * 0.5f; //en la posicion del rigidbody + la compensacion de la cap en Y - la mitad de la cap
float middleHitHeight = m_FoundHits[1].point.y; //punto Y del golpe 2 ( el 1 seria [0])
IsGrounded &= middleHitHeight < capsuleBottomHeight + groundedRaycastDistance; //si es menor de la posicion a la capsula + distancia de rayo entonces true
//el operador & evalúa ambos operandos, incluso aunque el izquierdo se evalúe como false, de modo que el resultado debe ser false con independencia del valor del operando derecho.
//el operador && no evalúa el operando derecho si el izquierdo se evalúa como false.
}
}
}
}
//inicializa o limpia el bugger de goles en el array
for (int i = 0; i < m_HitBuffer.Length; i++)
{
m_HitBuffer[i] = new RaycastHit2D();
}
}
/// <summary>
/// This updates the state of IsGrounded. It is called automatically in FixedUpdate but can be called more frequently if higher accurracy is required.
/// </summary>
public new void CheckCapsuleEndCollisions(bool bottom = true)
{
Vector2 raycastDirection;
Vector2 raycastStart;
float raycastDistance;
if (m_Capsule == null)
{
raycastStart = m_Rigidbody2D.position + Vector2.up;
raycastDistance = 1f + groundedRaycastDistance;
if (bottom)
{
raycastDirection = Vector2.down;
m_RaycastPositions[0] = raycastStart + Vector2.left * 0.4f;
m_RaycastPositions[1] = raycastStart;
m_RaycastPositions[2] = raycastStart + Vector2.right * 0.4f;
}
else
{
raycastDirection = Vector2.up;
m_RaycastPositions[0] = raycastStart + Vector2.left * 0.4f;
m_RaycastPositions[1] = raycastStart;
m_RaycastPositions[2] = raycastStart + Vector2.right * 0.4f;
}
}
else
{
raycastStart = m_Rigidbody2D.position + m_Capsule.offset;
raycastDistance = m_Capsule.size.x * 0.5f + groundedRaycastDistance * 2f;
if (bottom)
{
raycastDirection = Vector2.down;
Vector2 raycastStartBottomCentre = raycastStart + Vector2.down * (m_Capsule.size.y * 0.5f - m_Capsule.size.x * 0.5f);
m_RaycastPositions[0] = raycastStartBottomCentre + Vector2.left * m_Capsule.size.x * 0.5f;
m_RaycastPositions[1] = raycastStartBottomCentre;
m_RaycastPositions[2] = raycastStartBottomCentre + Vector2.right * m_Capsule.size.x * 0.5f;
}
else
{
raycastDirection = Vector2.up;
Vector2 raycastStartTopCentre = raycastStart + Vector2.up * (m_Capsule.size.y * 0.5f - m_Capsule.size.x * 0.5f);
m_RaycastPositions[0] = raycastStartTopCentre + Vector2.left * m_Capsule.size.x * 0.5f;
m_RaycastPositions[1] = raycastStartTopCentre;
m_RaycastPositions[2] = raycastStartTopCentre + Vector2.right * m_Capsule.size.x * 0.5f;
}
}
for (int i = 0; i < m_RaycastPositions.Length; i++)
{
int count = Physics2D.Raycast(m_RaycastPositions[i], raycastDirection, m_ContactFilter, m_HitBuffer, raycastDistance);
if (bottom)
{
m_FoundHits[i] = count > 0 ? m_HitBuffer[0] : new RaycastHit2D();
m_GroundColliders[i] = m_FoundHits[i].collider;
}
else
{
IsCeilinged = false;
for (int j = 0; j < m_HitBuffer.Length; j++)
{
if (m_HitBuffer[j].collider != null)
{
if (!PhysicsHelper.ColliderHasPlatformEffector(m_HitBuffer[j].collider))
{
IsCeilinged = true;
}
}
}
}
}
if (bottom)
{
Vector2 groundNormal = Vector2.zero;
int hitCount = 0;
for (int i = 0; i < m_FoundHits.Length; i++)
{
if (m_FoundHits[i].collider != null)
{
groundNormal += m_FoundHits[i].normal;
hitCount++;
}
}
if (hitCount > 0)
{
groundNormal.Normalize();
}
Vector2 relativeVelocity = Velocity;
for (int i = 0; i < m_GroundColliders.Length; i++)
{
if (m_GroundColliders[i] == null)
{
continue;
}
MovingPlatform movingPlatform;
if (PhysicsHelper.TryGetMovingPlatform(m_GroundColliders[i], out movingPlatform))
{
relativeVelocity -= movingPlatform.Velocity / Time.deltaTime;
break;
}
}
if (Mathf.Approximately(groundNormal.x, 0f) && Mathf.Approximately(groundNormal.y, 0f))
{
IsGrounded = false;
}
else
{
IsGrounded = relativeVelocity.y <= 0f;
if (m_Capsule != null)
{
if (m_GroundColliders[1] != null)
{
float capsuleBottomHeight = m_Rigidbody2D.position.y + m_Capsule.offset.y - m_Capsule.size.y * 0.5f;
float middleHitHeight = m_FoundHits[1].point.y;
IsGrounded &= middleHitHeight < capsuleBottomHeight + groundedRaycastDistance;
}
}
}
}
for (int i = 0; i < m_HitBuffer.Length; i++)
{
m_HitBuffer[i] = new RaycastHit2D();
}
}
