void FixedUpdate()
{
//Run initial mover ground check;
mover.CheckForGround();
//If character was not grounded int the last frame and is now grounded, call 'OnGroundContactRegained' function;
if (isGrounded == false && mover.IsGrounded() == true)
{
OnGroundContactRegained(lastVelocity);
}
//Check whether the character is grounded and store result;
isGrounded = mover.IsGrounded();
Vector3 _velocity = Vector3.zero;
//Add player movement to velocity;
_velocity += CalculateMovementDirection() * movementSpeed;
//Handle gravity;
if (!isGrounded)
{
currentVerticalSpeed -= gravity * Time.deltaTime;
}
else
{
if (currentVerticalSpeed <= 0f)
{
currentVerticalSpeed = 0f;
}
}
//Handle jumping;
if ((characterInput != null) && isGrounded && characterInput.IsJumpKeyPressed())
{
OnJumpStart();
currentVerticalSpeed = jumpSpeed;
isGrounded = false;
}
//Add vertical velocity;
_velocity += tr.up * currentVerticalSpeed;
//Save current velocity for next frame;
lastVelocity = _velocity;
mover.SetExtendSensorRange(isGrounded);
mover.SetVelocity(_velocity);
}
private void FootStepUpdate(float _movementSpeed)
{
float _speedThreshold = 0.05f;
if (useAnimationBasedFootsteps)
{
//Get current foot step value from animator;
float _newFootStepValue = animator.GetFloat("FootStep");
//Play a foot step audio clip whenever the foot step value changes its sign;
if ((currentFootStepValue <= 0f && _newFootStepValue > 0f) || (currentFootStepValue >= 0f && _newFootStepValue < 0f))
{
//Only play footstep sound if mover is grounded and movement speed is above the threshold;
if (mover.IsGrounded() && _movementSpeed > _speedThreshold)
{
PlayFootstepSound(_movementSpeed);
}
}
currentFootStepValue = _newFootStepValue;
}
else
{
currentFootstepDistance += Time.deltaTime * _movementSpeed;
//Play foot step audio clip if a certain distance has been traveled;
if (currentFootstepDistance > footstepDistance)
{
//Only play footstep sound if mover is grounded and movement speed is above the threshold;
if (mover.IsGrounded() && _movementSpeed > _speedThreshold)
{
PlayFootstepSound(_movementSpeed);
}
currentFootstepDistance = 0f;
}
}
}
//Determine current controller state based on current momentum and whether the controller is grounded (or not);
//Handle state transitions;
ControllerState DetermineControllerState()
{
//Check if vertical momentum is pointing upwards;
bool _isRising = IsRisingOrFalling() && (VectorMath.GetDotProduct(GetMomentum(), tr.up) > 0f);
//Check if controller is sliding;
bool _isSliding = mover.IsGrounded() && IsGroundTooSteep();
//Grounded;
if (currentControllerState == ControllerState.Grounded)
{
if (_isRising)
{
OnGroundContactLost();
return(ControllerState.Rising);
}
if (!mover.IsGrounded())
{
OnGroundContactLost();
return(ControllerState.Falling);
}
if (_isSliding)
{
return(ControllerState.Sliding);
}
return(ControllerState.Grounded);
}
//Falling;
if (currentControllerState == ControllerState.Falling)
{
if (_isRising)
{
return(ControllerState.Rising);
}
if (mover.IsGrounded() && !_isSliding)
{
OnGroundContactRegained(momentum);
return(ControllerState.Grounded);
}
if (_isSliding)
{
OnGroundContactRegained(momentum);
return(ControllerState.Sliding);
}
return(ControllerState.Falling);
}
//Sliding;
if (currentControllerState == ControllerState.Sliding)
{
if (_isRising)
{
OnGroundContactLost();
return(ControllerState.Rising);
}
if (!mover.IsGrounded())
{
return(ControllerState.Falling);
}
if (mover.IsGrounded() && !_isSliding)
{
OnGroundContactRegained(momentum);
return(ControllerState.Grounded);
}
return(ControllerState.Sliding);
}
//Rising;
if (currentControllerState == ControllerState.Rising)
{
if (!_isRising)
{
if (mover.IsGrounded() && !_isSliding)
{
OnGroundContactRegained(momentum);
return(ControllerState.Grounded);
}
if (_isSliding)
{
return(ControllerState.Sliding);
}
if (!mover.IsGrounded())
{
return(ControllerState.Falling);
}
}
//If a ceiling detector has been attached to this gameobject, check for ceiling hits;
if (ceilingDetector != null)
{
if (ceilingDetector.HitCeiling())
{
OnCeilingContact();
return(ControllerState.Falling);
}
}
return(ControllerState.Rising);
}
//Jumping;
if (currentControllerState == ControllerState.Jumping)
{
//Check for jump timeout;
if ((Time.time - currentJumpStartTime) > jumpDuration)
{
return(ControllerState.Rising);
}
//Check if jump key was let go;
if (jumpKeyWasLetGo)
{
return(ControllerState.Rising);
}
//If a ceiling detector has been attached to this gameobject, check for ceiling hits;
if (ceilingDetector != null)
{
if (ceilingDetector.HitCeiling())
{
OnCeilingContact();
return(ControllerState.Falling);
}
}
return(ControllerState.Jumping);
}
return(ControllerState.Falling);
}