/// <summary>Positions the virtual camera according to the transposer rules.</summary>
/// <param name="curState">The current camera state</param>
/// <param name="deltaTime">Used for damping. If less than 0, no damping is done.</param>
public override void MutateCameraState(ref CameraState curState, float deltaTime)
{
InitPrevFrameStateInfo(ref curState, deltaTime);
// Update the heading
if (FollowTarget != PreviousTarget)
{
PreviousTarget = FollowTarget;
mTargetRigidBody = (PreviousTarget == null) ? null : PreviousTarget.GetComponent <Rigidbody>();
mLastTargetPosition = (PreviousTarget == null) ? Vector3.zero : PreviousTarget.position;
mHeadingTracker = null;
}
LastHeading = HeadingUpdater(this, deltaTime, curState.ReferenceUp);
float heading = LastHeading;
if (IsValid)
{
// Calculate the heading
if (m_BindingMode != BindingMode.SimpleFollowWithWorldUp)
{
heading += m_Heading.m_Bias;
}
Quaternion headingRot = Quaternion.AngleAxis(heading, Vector3.up);
Vector3 rawOffset = EffectiveOffset;
Vector3 offset = headingRot * rawOffset;
// Track the target, with damping
TrackTarget(deltaTime, curState.ReferenceUp, offset, out Vector3 pos, out Quaternion orient);
// Place the camera
offset = orient * offset;
curState.ReferenceUp = orient * Vector3.up;
// Respect minimum target distance on XZ plane
var targetPosition = FollowTargetPosition;
pos += GetOffsetForMinimumTargetDistance(
pos, offset, curState.RawOrientation * Vector3.forward,
curState.ReferenceUp, targetPosition);
curState.RawPosition = pos + offset;
if (deltaTime >= 0 && VirtualCamera.PreviousStateIsValid)
{
var lookAt = targetPosition;
if (LookAtTarget != null)
{
lookAt = LookAtTargetPosition;
}
var dir0 = mLastCameraPosition - lookAt;
var dir1 = curState.RawPosition - lookAt;
if (dir0.sqrMagnitude > 0.01f && dir1.sqrMagnitude > 0.01f)
{
curState.PositionDampingBypass = UnityVectorExtensions.SafeFromToRotation(
dir0, dir1, curState.ReferenceUp).eulerAngles;
}
}
mLastTargetPosition = targetPosition;
mLastCameraPosition = curState.RawPosition;
}
}
/// <summary>Positions the virtual camera according to the transposer rules.</summary>
/// <param name="curState">The current camera state</param>
/// <param name="deltaTime">Used for damping. If less than 0, no damping is done.</param>
public override void MutateCameraState(ref CameraState curState, float deltaTime)
{
InitPrevFrameStateInfo(ref curState, deltaTime);
// Update the heading
if (FollowTarget != PreviousTarget)
{
PreviousTarget = FollowTarget;
mTargetRigidBody = (PreviousTarget == null) ? null : PreviousTarget.GetComponent <Rigidbody>();
mLastTargetPosition = (PreviousTarget == null) ? Vector3.zero : PreviousTarget.position;
mHeadingTracker = null;
}
LastHeading = HeadingUpdater(this, deltaTime, curState.ReferenceUp);
float heading = LastHeading;
if (IsValid)
{
mLastTargetPosition = FollowTargetPosition;
// Calculate the heading
if (m_BindingMode != BindingMode.SimpleFollowWithWorldUp)
{
heading += m_Heading.m_Bias;
}
Quaternion headingRot = Quaternion.AngleAxis(heading, Vector3.up);
// Track the target, with damping
Vector3 offset = EffectiveOffset;
Vector3 pos;
Quaternion orient;
TrackTarget(deltaTime, curState.ReferenceUp, headingRot * offset, out pos, out orient);
// Place the camera
curState.ReferenceUp = orient * Vector3.up;
if (deltaTime >= 0)
{
Vector3 bypass = (headingRot * offset) - mHeadingPrevFrame * mOffsetPrevFrame;
bypass = orient * bypass;
curState.PositionDampingBypass = bypass;
}
orient = orient * headingRot;
curState.RawPosition = pos + orient * offset;
mHeadingPrevFrame = (m_BindingMode == BindingMode.SimpleFollowWithWorldUp)
? Quaternion.identity : headingRot;
mOffsetPrevFrame = offset;
}
}