// Is the character grounded?
private void GroundCheck()
{
Vector3 platformVelocityTarget = Vector3.zero;
platformAngularVelocity = Vector3.zero;
float stickyForceTarget = 0f;
// Spherecasting
hit = GetSpherecastHit();
//normal = hit.normal;
normal = transform.up;
//groundDistance = r.position.y - hit.point.y;
groundDistance = Vector3.Project(r.position - hit.point, transform.up).magnitude;
// if not jumping...
bool findGround = Time.time > jumpEndTime && velocityY < jumpPower * 0.5f;
if (findGround)
{
bool g = onGround;
onGround = false;
// The distance of considering the character grounded
float groundHeight = !g? airborneThreshold * 0.5f: airborneThreshold;
//Vector3 horizontalVelocity = r.velocity;
Vector3 horizontalVelocity = V3Tools.ExtractHorizontal(r.velocity, gravity, 1f);
float velocityF = horizontalVelocity.magnitude;
if (groundDistance < groundHeight)
{
// Force the character on the ground
stickyForceTarget = groundStickyEffect * velocityF * groundHeight;
// On moving platforms
if (hit.rigidbody != null)
{
platformVelocityTarget = hit.rigidbody.GetPointVelocity(hit.point);
platformAngularVelocity = Vector3.Project(hit.rigidbody.angularVelocity, transform.up);
}
// Flag the character grounded
onGround = true;
}
}
// Interpolate the additive velocity of the platform the character might be standing on
platformVelocity = Vector3.Lerp(platformVelocity, platformVelocityTarget, Time.deltaTime * platformFriction);
stickyForce = stickyForceTarget; //Mathf.Lerp(stickyForce, stickyForceTarget, Time.deltaTime * 5f);
// remember when we were last in air, for jump delay
if (!onGround)
{
lastAirTime = Time.time;
}
}
private void MoveFixed(Vector3 deltaPosition)
{
// Process horizontal wall-running
WallRun();
Vector3 velocity = fixedDeltaTime > 0f? deltaPosition / fixedDeltaTime: Vector3.zero;
// Add velocity of the rigidbody the character is standing on
if (!fullRootMotion)
{
velocity += V3Tools.ExtractHorizontal(platformVelocity, gravity, 1f);
if (onGround)
{
// Rotate velocity to ground tangent
if (velocityToGroundTangentWeight > 0f)
{
Quaternion rotation = Quaternion.FromToRotation(transform.up, normal);
velocity = Quaternion.Lerp(Quaternion.identity, rotation, velocityToGroundTangentWeight) * velocity;
}
}
else
{
// Air move
//Vector3 airMove = new Vector3 (userControl.state.move.x * airSpeed, 0f, userControl.state.move.z * airSpeed);
Vector3 airMove = V3Tools.ExtractHorizontal(userControl.state.move * airSpeed, gravity, 1f);
velocity = Vector3.Lerp(r.velocity, airMove, Time.deltaTime * airControl);
}
if (onGround && Time.time > jumpEndTime)
{
r.velocity = r.velocity - transform.up * stickyForce * Time.deltaTime;
}
// Vertical velocity
Vector3 verticalVelocity = V3Tools.ExtractVertical(r.velocity, gravity, 1f);
Vector3 horizontalVelocity = V3Tools.ExtractHorizontal(velocity, gravity, 1f);
if (onGround)
{
if (Vector3.Dot(verticalVelocity, gravity) < 0f)
{
verticalVelocity = Vector3.ClampMagnitude(verticalVelocity, maxVerticalVelocityOnGround);
}
}
r.velocity = horizontalVelocity + verticalVelocity;
}
else
{
r.velocity = velocity;
}
// Dampering forward speed on the slopes (Not working since Unity 2017.2)
//float slopeDamper = !onGround? 1f: GetSlopeDamper(-deltaPosition / Time.deltaTime, normal);
//forwardMlp = Mathf.Lerp(forwardMlp, slopeDamper, Time.deltaTime * 5f);
forwardMlp = 1f;
}
public override void ApplyOffsets(float scale)
{
headPosition += headPositionOffset;
float mHH = minHeadHeight * scale;
Vector3 rootUp = rootRotation * Vector3.up;
if (rootUp == Vector3.up)
{
headPosition.y = Math.Max(rootPosition.y + mHH, headPosition.y);
}
else
{
Vector3 toHead = headPosition - rootPosition;
Vector3 hor = V3Tools.ExtractHorizontal(toHead, rootUp, 1f);
Vector3 ver = toHead - hor;
float dot = Vector3.Dot(ver, rootUp);
if (dot > 0f)
{
if (ver.magnitude < mHH)
{
ver = ver.normalized * mHH;
}
}
else
{
ver = -ver.normalized * mHH;
}
headPosition = rootPosition + hor + ver;
}
headRotation = headRotationOffset * headRotation;
headDeltaPosition = headPosition - head.solverPosition;
pelvisDeltaRotation = QuaTools.FromToRotation(pelvis.solverRotation, headRotation * pelvisRelativeRotation);
if (pelvisRotationWeight <= 0f)
{
anchorRotation = headRotation * anchorRelativeToHead;
}
else if (pelvisRotationWeight > 0f && pelvisRotationWeight < 1f)
{
anchorRotation = Quaternion.Lerp(headRotation * anchorRelativeToHead, pelvisRotation * anchorRelativeToPelvis, pelvisRotationWeight);
}
else if (pelvisRotationWeight >= 1f)
{
anchorRotation = pelvisRotation * anchorRelativeToPelvis;
}
}
private void MoveFixed(Vector3 deltaPosition)
{
// Process horizontal wall-running
WallRun();
Vector3 velocity = deltaPosition / Time.deltaTime;
// Add velocity of the rigidbody the character is standing on
velocity += V3Tools.ExtractHorizontal(platformVelocity, gravity, 1f);
if (onGround)
{
// Rotate velocity to ground tangent
if (velocityToGroundTangentWeight > 0f)
{
Quaternion rotation = Quaternion.FromToRotation(transform.up, normal);
velocity = Quaternion.Lerp(Quaternion.identity, rotation, velocityToGroundTangentWeight) * velocity;
}
}
else
{
// Air move
Vector3 airMove = V3Tools.ExtractHorizontal(blackboard.input * airSpeed, gravity, 1f);
velocity = Vector3.Lerp(_rigidbody.velocity, airMove, Time.deltaTime * airControl);
}
if (onGround && Time.time > jumpEndTime)
{
_rigidbody.velocity = _rigidbody.velocity - transform.up * stickyForce * Time.deltaTime;
}
// Vertical velocity
Vector3 verticalVelocity = V3Tools.ExtractVertical(_rigidbody.velocity, gravity, 1f);
Vector3 horizontalVelocity = V3Tools.ExtractHorizontal(velocity, gravity, 1f);
if (onGround)
{
if (Vector3.Dot(verticalVelocity, gravity) < 0f)
{
verticalVelocity = Vector3.ClampMagnitude(verticalVelocity, maxVerticalVelocityOnGround);
}
}
//rb.velocity = horizontalVelocity + verticalVelocity;
// Dampering forward speed on the slopes
float slopeDamper = !onGround ? 1f : GetSlopeDamper(-deltaPosition / Time.deltaTime, normal);
forwardMlp = Mathf.Lerp(forwardMlp, slopeDamper, Time.deltaTime * 5f);
}
// Processing horizontal wall running
private void WallRun() {
bool canWallRun = CanWallRun();
// Remove flickering in and out of wall-running
if (wallRunWeight > 0f && !canWallRun) wallRunEndTime = Time.time;
if (Time.time < wallRunEndTime + 0.5f) canWallRun = false;
wallRunWeight = Mathf.MoveTowards(wallRunWeight, (canWallRun? 1f: 0f), Time.deltaTime * wallRunWeightSpeed);
if (wallRunWeight <= 0f) {
// Reset
if (lastWallRunWeight > 0f) {
Vector3 frw = V3Tools.ExtractHorizontal(transform.forward, gravity, 1f);
transform.rotation = Quaternion.LookRotation(frw, -gravity);
wallNormal = -gravity.normalized;
}
}
lastWallRunWeight = wallRunWeight;
if (wallRunWeight <= 0f) return;
// Make sure the character won't fall down
if (onGround && velocityY < 0f) r.velocity = V3Tools.ExtractHorizontal(r.velocity, gravity, 1f);
// transform.forward flattened
Vector3 f = V3Tools.ExtractHorizontal(transform.forward, gravity, 1f);
// Raycasting to find a walkable wall
RaycastHit velocityHit = new RaycastHit();
velocityHit.normal = -gravity.normalized;
Physics.Raycast(onGround? transform.position: capsule.bounds.center, f, out velocityHit, 3f, wallRunLayers);
// Finding the normal to rotate to
wallNormal = Vector3.Lerp(wallNormal, velocityHit.normal, Time.deltaTime * wallRunRotationSpeed);
// Clamping wall normal to max rotation angle
wallNormal = Vector3.RotateTowards(-gravity.normalized, wallNormal, wallRunMaxRotationAngle * Mathf.Deg2Rad, 0f);
// Get transform.forward ortho-normalized to the wall normal
Vector3 fW = transform.forward;
Vector3 nW = wallNormal;
Vector3.OrthoNormalize(ref nW, ref fW);
// Rotate from upright to wall normal
transform.rotation = Quaternion.Slerp(Quaternion.LookRotation(f, -gravity), Quaternion.LookRotation(fW, wallNormal), wallRunWeight);
}
private void FixedUpdate()
{
// Add torque to the Rigidbody to make it follow the rotation target
Vector3 angularAcc = PhysXTools.GetAngularAcceleration(_rigidbody.rotation, rotationTarget.rotation);
_rigidbody.AddTorque(angularAcc * torque);
// Add snowboard-like skid drag
if (_isGrounded)
{
Vector3 velocity = _rigidbody.velocity;
Vector3 skid = V3Tools.ExtractHorizontal(velocity, _rigidbody.rotation * Vector3.up, 1f);
skid = Vector3.Project(velocity, _rigidbody.rotation * Vector3.right);
_rigidbody.velocity = velocity - Vector3.ClampMagnitude(skid * skidDrag * Time.deltaTime, skid.magnitude);
}
}
public override void ApplyOffsets()
{
headPosition += headPositionOffset;
Vector3 rootUp = rootRotation * Vector3.up;
if (rootUp == Vector3.up)
{
headPosition.y = Math.Max(rootPosition.y + minHeadHeight, headPosition.y);
}
else
{
Vector3 toHead = headPosition - rootPosition;
Vector3 hor = V3Tools.ExtractHorizontal(toHead, rootUp, 1f);
Vector3 ver = toHead - hor;
float dot = Vector3.Dot(ver, rootUp);
if (dot > 0f)
{
if (ver.magnitude < minHeadHeight)
{
ver = ver.normalized * minHeadHeight;
}
}
else
{
ver = -ver.normalized * minHeadHeight;
}
headPosition = rootPosition + hor + ver;
}
headRotation = headRotationOffset * headRotation;
headDeltaPosition = headPosition - head.solverPosition;
pelvisDeltaRotation = QuaTools.FromToRotation(pelvis.solverRotation, headRotation * pelvisRelativeRotation);
anchorRotation = headRotation * anchorRelativeToHead;
}
public void Update(IKSolverFullBodyBiped solver, float w, float deltaTime)
{
if (this.transform == null || this.relativeTo == null)
{
return;
}
Vector3 a = this.relativeTo.InverseTransformDirection(this.transform.position - this.relativeTo.position);
if (this.firstUpdate)
{
this.lastRelativePos = a;
this.firstUpdate = false;
}
Vector3 vector = (a - this.lastRelativePos) / deltaTime;
this.smoothDelta = ((this.speed > 0f) ? Vector3.Lerp(this.smoothDelta, vector, deltaTime * this.speed) : vector);
Vector3 v = this.relativeTo.TransformDirection(this.smoothDelta);
Vector3 a2 = V3Tools.ExtractVertical(v, solver.GetRoot().up, this.verticalWeight) + V3Tools.ExtractHorizontal(v, solver.GetRoot().up, this.horizontalWeight);
for (int i = 0; i < this.effectorLinks.Length; i++)
{
solver.GetEffector(this.effectorLinks[i].effector).positionOffset += a2 * w * this.effectorLinks[i].weight;
}
this.lastRelativePos = a;
}
// Update the Body
public void Update(IKSolverFullBodyBiped solver, float w, float deltaTime)
{
if (transform == null || relativeTo == null)
{
return;
}
// Find the relative position of the transform
Vector3 relativePos = relativeTo.InverseTransformDirection(transform.position - relativeTo.position);
// Initiating
if (firstUpdate)
{
lastRelativePos = relativePos;
firstUpdate = false;
}
// Find how much the relative position has changed
Vector3 delta = (relativePos - lastRelativePos) / deltaTime;
// Smooth the change
smoothDelta = speed <= 0f? delta: Vector3.Lerp(smoothDelta, delta, deltaTime * speed);
// Convert to world space
Vector3 worldDelta = relativeTo.TransformDirection(smoothDelta);
// Extract horizontal and vertical offset
Vector3 offset = V3Tools.ExtractVertical(worldDelta, solver.GetRoot().up, verticalWeight) + V3Tools.ExtractHorizontal(worldDelta, solver.GetRoot().up, horizontalWeight);
// Apply the amplitude to the effector links
for (int i = 0; i < effectorLinks.Length; i++)
{
solver.GetEffector(effectorLinks[i].effector).positionOffset += offset * w * effectorLinks[i].weight;
}
lastRelativePos = relativePos;
}
private void PullBody()
{
if (this.iterations < 1)
{
return;
}
if (this.pullBodyVertical != 0f || this.pullBodyHorizontal != 0f)
{
Vector3 bodyOffset = this.GetBodyOffset();
this.pullBodyOffset = V3Tools.ExtractVertical(bodyOffset, this.root.up, this.pullBodyVertical) + V3Tools.ExtractHorizontal(bodyOffset, this.root.up, this.pullBodyHorizontal);
this.bodyEffector.positionOffset += this.pullBodyOffset;
}
}
/*
* Pulling the body with the hands
* */
private void PullBody()
{
if (iterations < 1)
{
return;
}
// Getting the body positionOffset
if (pullBodyVertical != 0f || pullBodyHorizontal != 0f)
{
Vector3 offset = GetBodyOffset();
bodyEffector.positionOffset += V3Tools.ExtractVertical(offset, root.up, pullBodyVertical) + V3Tools.ExtractHorizontal(offset, root.up, pullBodyHorizontal);
}
}