/// <summary>
/// Check if the wall slide ability conditions are met (a wall in front of the character with the corresponding "Wall Sliding" Tag).
/// </summary>
public bool CheckWallSliding()
{
if (characterController2D.IsGrounded)
{
return(false);
}
if (characterBrain.CharacterAction.down)
{
return(false);
}
if (characterController2D.Velocity.y > 0)
{
return(false);
}
CollisionHitInfo info = new CollisionHitInfo();
info.Reset();
CardinalCollisionType cardinalCollisionType =
characterController2D.IsFacingRight ?
CardinalCollisionType.Right :
CardinalCollisionType.Left;
float skin = characterBody.SkinWidth;
info = characterController2D.CharacterCollisions.CardinalCollision(
cardinalCollisionType,
skin,
skin,
layerMask
);
if (!info.collision)
{
return(false);
}
float wallSignedAngle = Utilities.SignedAngle(characterBody.bodyTransform.Up, info.normal, characterBody.bodyTransform.Forward);
float wallAngle = Mathf.Abs(wallSignedAngle);
if (!info.gameObject.CompareTag(wallSlideTag) || !Utilities.isCloseTo(wallAngle, 90, 0.1f))
{
return(false);
}
return(true);
}
public override void Process(float dt)
{
if (!movementController.isCurrentlyOnState(MovementState.Normal))
{
return;
}
if (!characterController2D.IsGrounded)
{
return;
}
hitInfo.Reset();
CardinalCollisionType cardinalCollisionType =
characterController2D.IsFacingRight ?
CardinalCollisionType.Right :
CardinalCollisionType.Left;
float skin = characterBody.SkinWidth;
hitInfo = characterController2D.CharacterCollisions.CardinalCollision(
cardinalCollisionType,
skin,
skin,
wallLayerMask
);
if (hitInfo.collision)
{
float wallSignedAngle = Utilities.SignedAngle(characterController2D.transform.up, hitInfo.normal, characterController2D.transform.forward);
float wallAngle = Mathf.Abs(wallSignedAngle);
if (Utilities.isCloseTo(wallAngle, 90f, 0.1f))
{
characterController2D.Teleport(hitInfo.point, Quaternion.LookRotation(Vector3.forward, hitInfo.normal));
if (OnWallAlignmentPerformed != null)
{
OnWallAlignmentPerformed();
}
}
}
}
/// <summary>
/// Performs the collision detection method used in the "Corner Alignment" feature.
/// </summary>
CornerAlignmentResult CornerAlignCollisions(bool positiveDirection, float cornerDetectionDistance, LayerMask layerMask)
{
CornerAlignmentResult result = new CornerAlignmentResult();
result.Reset();
CollisionHitInfo hitInfo = new CollisionHitInfo();
hitInfo.Reset();
if (cornerDetectionDistance < 0)
{
return(result);
}
float castDistance = characterBody.SkinWidth + cornerDetectionDistance;
Vector2 rayOrigin = characterController2D.transform.position +
(positiveDirection ? -1 : 1) * characterController2D.transform.right * characterBody.verticalArea / 2 -
characterController2D.transform.up * characterBody.SkinWidth;
hitInfo = PhysicsUtilities.Raycast(
characterBody.Is3D(),
rayOrigin,
(positiveDirection ? -1 : 1) * characterController2D.transform.right,
castDistance,
layerMask
);
if (hitInfo.collision)
{
result.point = hitInfo.point;
result.normalRotation = Quaternion.LookRotation(characterBody.bodyTransform.Forward, hitInfo.normal);
result.success = true;
}
return(result);
}