/// <summary>
/// Performs a collision test in any of the four cardinal directions.
/// </summary>
public CollisionHitInfo CardinalCollision(CardinalCollisionType cardinalCollisionType, float skin, float extraDistance, LayerMask layerMask)
{
CollisionHitInfo hitInfo = new CollisionHitInfo();
hitInfo.Reset();
Vector3 origin = Vector3.zero;
float castDistance = skin + extraDistance;
Vector3 direction = Vector3.zero;
Vector3 center = characterBody.bodyTransform.Position + characterBody.bodyTransform.Up * characterBody.heightExtents;
switch (cardinalCollisionType)
{
case CardinalCollisionType.Up:
direction = characterBody.bodyTransform.Up;
origin = center + direction * (characterBody.height / 2 - skin);
break;
case CardinalCollisionType.Down:
direction = -characterBody.bodyTransform.Up;
origin = center + direction * (characterBody.height / 2 - skin);
break;
case CardinalCollisionType.Left:
direction = -characterBody.bodyTransform.Right;
origin = center + direction * (characterBody.width / 2 - skin);
break;
case CardinalCollisionType.Right:
direction = characterBody.bodyTransform.Right;
origin = center + direction * (characterBody.width / 2 - skin);
break;
}
hitInfo = PhysicsUtilities.Raycast(
is3D,
origin,
direction,
castDistance,
layerMask
);
return(hitInfo);
}
/// <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();
}
}
}
}