void LateUpdate()
{
Vector3 characterOffset = followXForm.position + height_offset; //distance from char follow transform + some height
//determine cam state
if (Input.GetAxis("Target") > 0.01)
{
camState = CamStates.TARGET;
}
else
{
camState = CamStates.BEHIND;
}
switch (camState)
{
//case CamStates.BEHIND:
// calc dir from camera to player, kill y and normalize to give a valid direction with unit magnitude
// lookDir = characterOffset - this.transform.position;
// lookDir.y = 0; //kill y val
// lookDir.Normalize();
// targetPosition = characterOffset - lookDir * distanceAway;
// break;
case CamStates.BEHIND:
if (char_logic.speed > char_logic.LocomotionThreshold && char_logic.isInLocomotion() && !char_logic.isInPivot())
{
//http://chortle.ccsu.edu/vectorlessons/vch09/vch09_6.html the range of the dot product of 2 unit vector is between 0 and 1
lookDir = Vector3.Lerp(followXForm.right * (horizontal == 0 ? 0 : -Mathf.Sign(horizontal)), followXForm.forward * (vertical == 0 ? 0 : Mathf.Sign(vertical)), Mathf.Abs(Vector3.Dot(this.transform.forward, followXForm.forward)));
// Calculate direction from camera to player, kill Y, and normalize to give a valid direction with unit magnitude
curr_lookDir = Vector3.Normalize(characterOffset - this.transform.position);
curr_lookDir.y = 0;
// Damping makes it so we don't update targetPosition while pivoting; camera shouldn't rotate around player
curr_lookDir = Vector3.SmoothDamp(curr_lookDir, lookDir, ref lookDirVelocity, lookDirDampTime);
}
targetPosition = characterOffset + followXForm.up * distanceUp - Vector3.Normalize(curr_lookDir) * distanceAway;
break;
case CamStates.TARGET:
//calc dir from camera to player, kill y and normalize to give a valid direction with unit magnitude
lookDir = followXForm.forward;
lookDir.y = 0; //kill y val
lookDir.Normalize();
targetPosition = characterOffset - lookDir * distanceAway;
break;
}
//do regardless of state
//compensateForWalls(characterOffset, ref targetPosition);
smoothPosition(transform.position, targetPosition);//smooth
//make sure cam faces character
transform.LookAt(followXForm);
}
