protected void DoClimbing()
{
float fHorAxis = 0f;
float fVerAxis = 0f;
if (GetActionState(eControllerActions.Right))
{
fHorAxis += m_horSpeedScale;
}
if (GetActionState(eControllerActions.Left))
{
fHorAxis -= m_horSpeedScale;
}
if (GetActionState(eControllerActions.Up))
{
fVerAxis += m_verSpeedScale;
}
if (GetActionState(eControllerActions.Down))
{
fVerAxis -= m_verSpeedScale;
}
if (m_isClimbing)
{
if (
GetIfActionHasChanged(eControllerActions.Jump) && GetActionState(eControllerActions.Jump) ||
GetIfActionHasChanged(eControllerActions.PlatformDropDown) && GetActionState(eControllerActions.PlatformDropDown))
{
m_isClimbing = false;
m_currentClimbingCollider = null;
m_isGrounded = true;
return;
}
// isLadder is true when the collider width is small enough to avoid moving horizontal and center the player in the center of the collider.
// By default, it is true when collider width is less than two times the smart rect collider width
bool isLadder = m_currentClimbingCollider.bounds.size.x < m_ladderWidthFactor * m_smartCollider.Size.x;
Vector3 vDisp = new Vector3(isLadder ? 0f : fHorAxis, fVerAxis);
//debug climbing area
DebugEx.DebugDrawRect(Vector2.zero, new Rect(m_currentClimbingCollider.bounds.min, m_currentClimbingCollider.bounds.size), Color.blue);
if (isLadder)
{
// Snap to ladder
Vector3 center = m_currentClimbingCollider.bounds.center;
Vector3 snapPos = Vector3.Project(transform.position - center, m_currentClimbingCollider.transform.up); // this allow rotated ladders, like in pirate ship demo
snapPos += center;
snapPos.z = transform.position.z;
transform.position = Vector3.Lerp(transform.position, snapPos, 0.5f);
}
if (vDisp.magnitude > 0.2f)
{
transform.position += transform.rotation * vDisp * ClimbingSpeed * Time.deltaTime;
}
m_isGrounded = m_smartCollider.enabled && m_smartCollider.IsGrounded();
}
// Check if going down and there is a climbing collider below
float SkinBottomWidthFactor = 1.1f; //NOTE: set a value > 1f to allow climbing down when climb collision and platform collision are close
Collider2D climbingColliderBelow = GetClimbingColliderBelow(SkinBottomWidthFactor);
Collider2D climbingColliderAbove = GetClimbingColliderAbove();
if (fVerAxis < -0.5f && m_currentClimbingCollider == null)
{
if (climbingColliderBelow != null)
{
if (m_currentClimbingCollider == null && climbingColliderAbove == null)
{
//Teleport the player. TeleportTo will skip any collider in between the current position and the new position to skip any platform in between
m_smartCollider.TeleportTo(transform.position - transform.up * m_smartCollider.SkinBottomWidth * SkinBottomWidthFactor);
}
m_currentClimbingCollider = climbingColliderBelow;
StartClimbing();
}
else
{
StopClimbing();
}
}
// Check if going up and it is inside a climbing collider
else if (fVerAxis > 0.5f)
{
if (climbingColliderAbove != null && !GetIfActionHasChanged(eControllerActions.Jump))
{
m_currentClimbingCollider = climbingColliderAbove;
StartClimbing();
}
else if (m_smartCollider.SkinBottomRayContacts.Contains(true) || climbingColliderBelow == null)
{
StopClimbing();
}
}
// Stop climbing once the top is reached
else if (m_isGrounded || (climbingColliderBelow == null && climbingColliderAbove == null))
{
StopClimbing();
}
}
protected Vector3 _DoSolveStaticCollisionSide(IList <Vector3> vCheckPoints, IList <bool> vRayContacts, Vector3 vSkin, Vector3 vOffset, LayerMask layerMask, LayerMask movingPlatformLayerMask)
{
float collClosestDist = float.MaxValue;
float skinMagnitude = vSkin.magnitude;
Vector3 vClosestHitNorm = Vector3.zero;
Vector3 vClosestHit = Vector3.zero;
GameObject collidedObject = null;
Vector3 vAppliedForce = Vector3.Project(m_instantVelocity, vSkin) / vCheckPoints.Count;
float fOffsetDist = Vector3.Scale(vOffset, transform.localScale).magnitude;
LayerMask oneWayLayerMask = (OneWayCollisionDown | OneWayCollisionUp | OneWayCollisionLeft | OneWayCollisionRight);
for (int i = 0; i < vCheckPoints.Count; ++i)
{
vRayContacts[i] = false;
Vector3 vCheckPos = vCheckPoints[i];
Ray ray = new Ray(transform.TransformPoint(vCheckPos + vOffset), vSkin);
Debug.DrawRay(ray.origin, vSkin.normalized * (skinMagnitude + fOffsetDist), Color.magenta);
// 3D
if (EnableCollision3D)
{
RaycastHit hitInfo = _GetClosestHitInfo(ray.origin, ray.direction, skinMagnitude + fOffsetDist, layerMask);
if (hitInfo.collider != null && hitInfo.collider.gameObject != gameObject)
{
if (hitInfo.collider.isTrigger)
{
hitInfo.collider.gameObject.SendMessageUpwards(k_messageOnSmartTriggerStay2D, new SmartContactPoint(hitInfo.normal, this, hitInfo.point), SendMessageOptions.DontRequireReceiver);
}
else
{
vRayContacts[i] = true;
DebugEx.DebugDrawDot(hitInfo.point + new Vector3(0, 0, -0.1f), 0.01f, Color.red);
if ((movingPlatformLayerMask & (1 << hitInfo.collider.gameObject.layer)) != 0)
{
m_movingPlatforms.Add(new KeyValuePair <Transform, Vector3>(hitInfo.transform, Vector3.zero)); //NOTE: the kvp.Value will be set at the end of DoSolveStaticCollisions
}
// This is pushing the collided object if it has a rigid body attached
if (hitInfo.rigidbody != null)
{
hitInfo.rigidbody.AddForceAtPosition(vAppliedForce, hitInfo.point, ForceMode.Force);
}
if (hitInfo.distance < collClosestDist &&
// avoid collision when slope is higher than threshold and collider object is one way
((0 == ((1 << hitInfo.collider.gameObject.layer) & oneWayLayerMask)) || Vector3.Dot(hitInfo.normal, -vSkin.normalized) >= k_OneSideSlopeNormThreshold)
)
{
collClosestDist = hitInfo.distance;
vClosestHit = hitInfo.point;
vClosestHitNorm = hitInfo.normal;
collidedObject = hitInfo.collider.gameObject;
}
}
}
}
// 2D
if (EnableCollision2D)
{
RaycastHit2D hitInfo2D = _GetClosestHitInfo2D(ray.origin, ray.direction, skinMagnitude + fOffsetDist, layerMask, true);
if (hitInfo2D.collider != null && hitInfo2D.collider.gameObject != gameObject)
{
if (hitInfo2D.collider.isTrigger)
{
hitInfo2D.collider.gameObject.SendMessageUpwards(k_messageOnSmartTriggerStay2D, new SmartContactPoint(hitInfo2D.normal, this, hitInfo2D.point), SendMessageOptions.DontRequireReceiver);
}
else
{
vRayContacts[i] = true;
DebugEx.DebugDrawDot((Vector3)hitInfo2D.point + new Vector3(0, 0, transform.position.z - 0.1f), 0.01f, Color.red);
if ((movingPlatformLayerMask & (1 << hitInfo2D.collider.gameObject.layer)) != 0)
{
m_movingPlatforms.Add(new KeyValuePair <Transform, Vector3>(hitInfo2D.transform, Vector3.zero)); //NOTE: the kvp.Value will be set at the end of DoSolveStaticCollisions
}
// This is pushing the collided object if it has a rigid body attached
if (hitInfo2D.rigidbody != null)
{
hitInfo2D.rigidbody.AddForceAtPosition(vAppliedForce, hitInfo2D.point, ForceMode2D.Force);
}
if (hitInfo2D.distance < collClosestDist &&
// avoid collision when slope is higher than threshold and collider object is one way
((0 == ((1 << hitInfo2D.collider.gameObject.layer) & oneWayLayerMask)) || Vector3.Dot(hitInfo2D.normal, -vSkin.normalized) >= k_OneSideSlopeNormThreshold)
)
{
collClosestDist = hitInfo2D.distance;
vClosestHit = hitInfo2D.point;
vClosestHitNorm = hitInfo2D.normal;
collidedObject = hitInfo2D.collider.gameObject;
}
}
}
}
}
// check if there was a collision
if (collClosestDist < float.MaxValue)
{
//Debug.DrawRay(vClosestHit, vClosestHitNorm * 0.1f, Color.yellow, 0.5f);
float fImpulseDist = (skinMagnitude + fOffsetDist) - collClosestDist + k_colliderSeparation;
Vector3 vImpulse = -vSkin.normalized * fImpulseDist; //TODO: Add smooth factor by multiplying vImpulse by this factor ( make climb steps smoother )
// TODO: if this is slow because of the gravity, a collision is going to be made each fixedUpdate, improve by keeping a list of the hit objects
// so this message is only sent once until there is no collision for one update and then call the OnSmartCollisionExit2D
SmartCollision2D smartCollision2D = new SmartCollision2D(
this,
new SmartContactPoint[] { new SmartContactPoint(vClosestHitNorm, this, vClosestHit) },
gameObject,
vImpulse,
m_instantVelocity,
transform,
m_rigidBody,
m_rigidBody2D);
collidedObject.SendMessageUpwards(k_messageOnSmartCollisionStay2D, smartCollision2D, SendMessageOptions.DontRequireReceiver);
if (OnSideCollision != null)
{
OnSideCollision(smartCollision2D, collidedObject);
}
return(vImpulse);
}
return(Vector3.zero);
}