private bool AttemptReground()
{
int maxSize = 5;
bool prevQueriesHitTriggers = Physics2D.queriesHitTriggers;
Physics2D.queriesHitTriggers = false;
RaycastHit2D[] hits = new RaycastHit2D[maxSize];
int numHits;
if ((numHits = capCol.Cast(Vector2.down, hits, stepMax)) > 0)
{
Physics2D.queriesHitTriggers = prevQueriesHitTriggers;
if (numHits > maxSize)
{
numHits = maxSize;
}
float distance = stepMax;
foreach (RaycastHit2D hit in hits)
{
if (hit.distance < distance && hit.distance != 0)
{
distance = hit.distance;
}
}
Vector2 slopeNormal = Vector2.zero;
foreach (RaycastHit2D hit in hits)
{
if (hit.distance > distance)
{
break;
}
if (CheckGroundableSlope(hit.normal))
{
slopeNormal += hit.normal;
}
}
slopeNormal.Normalize();
if (slopeNormal != Vector2.zero)
{
HandleReground(mover.Move(distance * Vector2.down), slopeFromNormal(slopeNormal));
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
// Update is called once per frame
void Update()
{
if (!isAlive)
{
return;
}
if (playerFeetCollider != null && playerLowerBodyCollider)
{
// Suprisingly this is the simplest way I could find to tell if we are on the ground
// We cast the foot collider down and then catch up to 10 things it hits
// If one of them have a tag of ground, then we know we are on or at least very close to the ground
castFeetCollisions = new RaycastHit2D[ARRAY_LENGTH];
playerFeetCollider.Cast(Vector2.down, castFeetCollisions, .05f);
castLowerBodyCollisions = new RaycastHit2D[ARRAY_LENGTH];
playerLowerBodyCollider.Cast(Vector2.down, castLowerBodyCollisions, .05f);
for (int i = 0; i < ARRAY_LENGTH; i++)
{
if ((castFeetCollisions[i].collider != null && castFeetCollisions[i].collider.tag == "Ground") ||
(castLowerBodyCollisions[i].collider != null && castLowerBodyCollisions[i].collider.tag == "Ground"))
{
isOnTheGround = true;
break;
}
else
{
isOnTheGround = false;
}
}
}
// Handle Horizontal Movement
float xMovement = Input.GetAxisRaw("Horizontal");
if (xMovement > .2f)
{
if (currentAction != Actions.Walking)
{
playerAnimator.SetBool("IsWalking", true);
currentAction = Actions.Walking;
}
if (rb2d.velocity.x < MAX_VELOCITY)
{
rb2d.AddForce(Vector2.right * xMovement * Time.deltaTime * MOVEMENT_SPEED);
}
if (playerRenderer.flipX)
{
playerRenderer.flipX = false;
}
}
else if (xMovement < -.2f)
{
if (currentAction != Actions.Walking)
{
playerAnimator.SetBool("IsWalking", true);
currentAction = Actions.Walking;
}
if (rb2d.velocity.x > -MAX_VELOCITY)
{
rb2d.AddForce(Vector2.right * xMovement * Time.deltaTime * MOVEMENT_SPEED);
}
if (!playerRenderer.flipX)
{
playerRenderer.flipX = true;
}
}
else
{
if (currentAction != Actions.Standing)
{
playerAnimator.SetBool("IsWalking", false);
currentAction = Actions.Standing;
}
if (isOnTheGround) // Stop the player from sliding on the ground
{
rb2d.velocity = Vector2.up * rb2d.velocity.y; // We still should hold onto vertical velocity
}
}
// Handle Vertical Movement
float jumpMovement = Input.GetAxis("Jump");
timeSinceLastJump += Time.deltaTime;
if (jumpMovement > .5 && isOnTheGround && timeSinceLastJump > JUMP_COOLDOWN)
{
// Erase any negative vertical velocity, but keep the horizontal velocity
if (rb2d.velocity.y < 0)
{
rb2d.velocity = Vector2.right * rb2d.velocity.x;
}
rb2d.AddForce(Vector2.up * JUMP_FORCE);
isOnTheGround = false;
timeSinceLastJump = 0;
}
}
protected void UpdateGroundDetection(float deltaTime)
{
// Ground Check
WasGrounded = IsGrounded;
FSMController.Fsm.GetFsmBool("isGroundedFSM").Value = IsGrounded = false;
Vector2 dir = Vector2.down;
RaycastHit2D[] hits = new RaycastHit2D[4];
capsuleCollider.Cast(dir, hits, _skinWidth);
for (int i = 0; i < hits.Length; i++)
{
if (hits[i].collider == null)
{
break;
}
var go = hits[i].collider.attachedRigidbody
? hits[i].collider.attachedRigidbody.gameObject
: hits[i].collider.gameObject;
if (go != this.gameObject)
{
var point = hits[i].point;
var norm = hits[i].normal;
var dot = Vector2.Dot(Vector2.up, norm);
var angle = Mathf.Rad2Deg * Mathf.Acos(dot);
CurrentSlopeAngle = angle;
if (angle < _slopeLimit)
{
Debug.DrawLine(point, point + norm, Color.cyan, 0.5f);
FSMController.Fsm.GetFsmBool("isGroundedFSM").Value = IsGrounded = true;
CurrentGroundNormal = norm;
break;
}
else
{
Debug.DrawLine(point, point + norm, Color.magenta, 0.5f);
}
}
}
if (WasGrounded != IsGrounded)
{
if (IsGrounded)
{
OnBecomeGrounded();
}
else
{
OnBecomeUngrounded();
}
}
// Ceiling Check
WasOnCeiling = IsOnCeiling;
IsOnCeiling = false;
dir = Vector2.up;
hits = new RaycastHit2D[4];
capsuleCollider.Cast(dir, hits, _skinWidth);
for (int i = 0; i < hits.Length; i++)
{
if (hits[i].collider == null)
{
break;
}
var go = hits[i].collider.attachedRigidbody
? hits[i].collider.attachedRigidbody.gameObject
: hits[i].collider.gameObject;
if (go != this.gameObject)
{
var dot = Vector2.Dot(Vector2.down, hits[i].normal); // Angle against ceiling downward
var angle = Mathf.Rad2Deg * Mathf.Acos(dot);
if (angle < _ceilingSlopeLimit)
{
IsOnCeiling = true;
break;
}
}
}
}
