// TRIGGER COLLISION
void OnTriggerStay2D(Collider2D other)
{
// While inside an "Stay" call, this full statement should only go through once
// per initial climb.
if (!climbing)
{
if (other.tag == "Climbable" &&
Input.GetAxis("Vertical") != 0 &&
!isJumpingOff)
{
climbing = true;
rb.velocity = Vector2.zero;
climbingCenter = other.transform.position.x;
ClimbableObject climbableObject = other.gameObject.GetComponent <ClimbableObject>();
// Checks if climbable Surface allows pass-through, disables ground collision if so
if (climbableObject.allowPassthrough)
{
Physics2D.IgnoreLayerCollision(playerLayer, envrionmentLayer, true);
passingThrough = true;
}
}
}
}
/// <summary>
/// Can the ability be started?
/// </summary>
/// <returns>True if the ability can be started.</returns>
public override bool CanStartAbility()
{
// The character can climb if the character is on the ground and a climbable object is near.
if (m_Controller.Grounded &&
Physics.SphereCast(m_Transform.position + m_Transform.up * 0.1f - m_Transform.forward * m_SearchRadius, m_SearchRadius, m_Transform.forward, out m_RaycastHit, m_StartClimbMaxDistance + m_SearchRadius, m_ClimbableLayer.value, QueryTriggerInteraction.Ignore))
{
// The character must be mostly looking at the climbable object.
if (Vector3.Angle(-m_RaycastHit.normal, m_Transform.forward) < m_StartClimbMaxAngle)
{
if ((m_ClimbableObject = Utility.GetComponentForType <ClimbableObject>((m_ClimbableTransform = m_RaycastHit.transform).gameObject)) != null)
{
m_ClimbableObject.Mount(m_Transform);
if (Utility.GetComponentForType <BoxCollider>(m_ClimbableObject.gameObject) != null)
{
m_StartNormal = m_ClimbableTransform.forward * (Mathf.Sign(m_ClimbableTransform.InverseTransformPoint(m_Transform.position).z) == -1 ? 1 : -1);
m_ClimbNormal = m_ClimbableTransform.forward * (m_ClimbableObject.CanReverseMount && Mathf.Sign(m_ClimbableTransform.InverseTransformPoint(m_Transform.position).z) == -1 ? 1 : -1);
m_MountStartPosition = m_ClimbableObject.MountPosition(false);
}
else
{
m_ClimbNormal = m_StartNormal = -m_RaycastHit.normal;
m_StartNormal.y = 0;
m_StartNormal.Normalize();
// If there is no BoxCollider then the start position is based off of the raycast hit position.
m_MountStartPosition = m_RaycastHit.point + Quaternion.LookRotation(-m_StartNormal) * m_ClimbableObject.MountPosition(true);
}
return(true);
}
}
}
return(false);
}
void OnTriggerExit2D(Collider2D other)
{
// When leaving a climbable object
if (other.tag == "Climbable")
{
climbing = false;
ClimbableObject climbableObject = other.gameObject.GetComponent <ClimbableObject>();
// Ensures player collides with geometry again after jumping off or leaving
// a climbable object with pass-through enabled
if (climbableObject.allowPassthrough)
{
Physics2D.IgnoreLayerCollision(playerLayer, envrionmentLayer, false);
passingThrough = false;
}
}
}
internal void StopClimbing()
{
_climbing = false;
_climbingObject = null;
}
internal void ClimbZoneEntered(Collider2D collision)
{
_climbingObject = collision.GetComponentInChildren <ClimbableObject>();
}
