public Vector3 GetTargetFollowPosition(float deltaTime, float virtualCameraSphereRadius)
{
//get desired offset based on whether target is moving towards or away from camera. If we add more camera-target orientation states,
//will need to do this a better way
Vector3 desiredOffset;
float followSpeedHorz;
float followSpeedVert;
float followSpeedDistance;
if (stateController.GetOrientationState() == CameraTargetOrientationState.TowardsCamera && camParams.allowMoveTowardsCamera)
{
desiredOffset = camParams.desiredFrontOffset;
followSpeedHorz = camParams.frontFollowSpeedOrientation;
followSpeedVert = camParams.frontFollowSpeedHeight;
followSpeedDistance = camParams.frontFollowSpeedDistance;
}
else //moving away from camera
{
desiredOffset = camParams.desiredOffset;
followSpeedHorz = camParams.followSpeedOrientation;
followSpeedVert = camParams.followSpeedHeight;
followSpeedDistance = camParams.followSpeedDistance;
}
//get desired height offset based on follow height mode
if (camParams.followHeightMode == FollowHeightMode.AboveGround)
{
desiredOffset.y = GetDesiredHeightAboveGroundOffset(virtualCameraSphereRadius);
}
//get desired position from offset
Vector3 desiredPos = GetDesiredFollowPositionWorld(desiredOffset);
//shorten follow distance if necessary
desiredPos = occlusionAvoidance.ShortenFollowDistanceToAvoidRearOcclusion(desiredPos, virtualCameraSphereRadius);
//increase follow speed if avoiding occlusion
if (camParams.avoidFollowTargetOcclusion)
{
float occlusionSpeedIncrease = occlusionAvoidance.GetOcclusionFollowSpeedIncrease();
followSpeedHorz += occlusionSpeedIncrease;
followSpeedVert += occlusionSpeedIncrease;
}
//interpolate between current and desired positions
Vector3 newCamPos = locomotion.MoveCameraInterpolated(desiredPos, followSpeedHorz, followSpeedVert, deltaTime);
//interpolate distance from target separately
float desiredDistance = desiredOffset.magnitude;
Vector3 newOffset = newCamPos - followTarget.transform.position; //convert new cam position back to a world space offset from follow target
float newDistance = Lerps.Smootherstep(newOffset.magnitude, desiredDistance, followSpeedDistance * deltaTime); //interpolate between current offset distance and desired distance
return(followTarget.transform.position + (newOffset.normalized * newDistance)); //scale normalised offset by new distance and convert back to world position
}
// Update is called once per frame
void Update()
{
headerText.text = "Camera: " + cam.name;
positionText.text = "Position: " + cam.transform.position.ToString();
stateText.text = "State: " + stateController.GetCameraState().ToString() + ", " + stateController.GetOrientationState();
orbitText.text = "Orbit input: " + camInput.GetOrbitInput().ToString();
}
