private void ApplyAutoPanTranslation(ref CinematicCameraState state, float clipPosition)
{
Vector3 worldSpaceTranslate = this.transform.TransformPoint(_autoPanTranslation);
Vector3 movement = worldSpaceTranslate - this.transform.position;
state._position += MathUtils.Interpolate(_autoPanEase, movement, _autoPanStyle == eAutoPanStyle.PanThrough ? -movement : Vector3.zero, clipPosition);
}
public virtual void SetState(CinematicCameraState state)
{
this.transform.position = state._position;
this.transform.rotation = state._rotation;
GetCamera().fieldOfView = state._fieldOfView;
GetCamera().rect = state._cameraRect;
_focusInfo = state._focusInfo;
}
public static CinematicCameraState Interpolate(CinematicCamera camera, CinematicCameraState from, CinematicCameraState to, InterpolationType ease, float t)
{
return(new CinematicCameraState(
MathUtils.Interpolate(ease, from._position, to._position, t),
MathUtils.Interpolate(ease, from._rotation, to._rotation, t),
MathUtils.Interpolate(ease, from._fieldOfView, to._fieldOfView, t),
MathUtils.Interpolate(ease, from._cameraRect, to._cameraRect, t),
CinematicCameraFocusInfo.Interpolate(camera, ease, from._focusInfo, to._focusInfo, t)
));
}
private static void StartPreviewing(CinematicCameraShotInspector inspector)
{
if (!_preview)
{
CinematicCamera previewCamera = (CinematicCamera)inspector._previewCameraProperty.objectReferenceValue;
_originalCameraState = previewCamera.GetState();
EditorApplication.update += UpdateKeys;
EditorSceneManager.sceneSaving += OnSaveScene;
_preview = true;
_previewShot = inspector;
_previewClipTime = 0.0f;
}
}
private void ApplyAutoPanRotation(ref CinematicCameraState state, float clipPosition)
{
float angle = MathUtils.Interpolate(_autoPanEase, _autoRotateAngle, _autoPanStyle == eAutoPanStyle.PanThrough ? -_autoRotateAngle : 0.0f, clipPosition);
switch (_autoRotateType)
{
case AutoRotateType.RotateAroundFocusPoint:
{
if (state._focusInfo._focusPointTarget != null)
{
Vector3 pivotPoint = state._focusInfo._focusPointTarget.position;
Vector3 toPivot = this.transform.position - pivotPoint;
if (toPivot.sqrMagnitude > 0.0f)
{
Quaternion rotation = Quaternion.AngleAxis(angle, Vector3.up);
state._position = pivotPoint + (rotation * toPivot);
state._rotation *= rotation;
}
}
}
break;
case AutoRotateType.RotateAroundLocalPoint:
{
Vector3 pivotPoint = this.transform.TransformPoint(_autoRotateLocalPoint);
Vector3 toPivot = this.transform.position - pivotPoint;
if (toPivot.sqrMagnitude > 0.0f)
{
Vector3 axis = Vector3.Cross(toPivot, this.transform.right);
Quaternion rotation = Quaternion.AngleAxis(angle, axis);
state._position = pivotPoint + (rotation * toPivot);
state._rotation *= rotation;
}
}
break;
case AutoRotateType.RotateAroundAxis:
default:
{
Vector3 axis = _autoRotateLocalPoint;
Quaternion rotation = Quaternion.AngleAxis(angle, axis);
state._rotation *= rotation;
}
break;
}
}
public override void ModifiyState(ref CinematicCameraState state, float shotTime, float shotDuration)
{
float panDuration = shotDuration > 0f ? shotDuration : _panDuration;
float clipPosition = panDuration > 0f ? shotTime / panDuration : 1f;
#if UNITY_EDITOR
if (IsBeingPreviewed())
{
clipPosition = _previewClipPos;
}
#endif
ApplyAutoPan(ref state, Mathf.Clamp01(clipPosition));
}
private void ApplyAutoPan(ref CinematicCameraState state, float clipPosition)
{
if ((_autoPanFlags & AutoPanFlags.Zoom) == AutoPanFlags.Zoom)
{
ApplyAutoPanZoom(ref state, clipPosition);
}
if ((_autoPanFlags & AutoPanFlags.Rotate) == AutoPanFlags.Rotate)
{
ApplyAutoPanRotation(ref state, clipPosition);
}
if ((_autoPanFlags & AutoPanFlags.Translate) == AutoPanFlags.Translate)
{
ApplyAutoPanTranslation(ref state, clipPosition);
}
}
void Update()
{
if (_currentShot._shot != null)
{
_currentShot._time += Time.deltaTime;
if (_currentShot._weight < 1.0f)
{
_currentShot._weight = Mathf.Clamp01(_currentShot._weight + _currentShotBlendSpeed * Time.deltaTime);
}
}
if (_currentShot._shot != null && _currentShot._weight >= 1.0f)
{
float shotPosition = _currentShot._time / _currentShot._duration;
_camera.SetState(_currentShot.GetState());
}
else if (_blendingShots != null && _blendingShots.Length > 0 || _currentShot._shot != null)
{
CinematicCameraState blendedState;
if (_blendingShots.Length > 0)
{
_blendingShots[0]._time += Time.deltaTime;
blendedState = _blendingShots[0].GetState();
for (int i = 1; i < _blendingShots.Length; i++)
{
_blendingShots[i]._time += Time.deltaTime;
blendedState = CinematicCameraState.Interpolate(_camera, blendedState, _blendingShots[i].GetState(), _blendingShots[i]._blendType, _blendingShots[i]._weight);
}
}
else
{
blendedState = _camera.GetState();
}
if (_currentShot._shot != null)
{
blendedState = CinematicCameraState.Interpolate(_camera, blendedState, _currentShot.GetState(), _currentShot._blendType, _currentShot._weight);
}
_camera.SetState(blendedState);
}
}
public CinematicCameraState GetState(float clipPosition = 0.0f)
{
//Get default state
CinematicCameraState state = new CinematicCameraState
{
_position = this.transform.position,
_rotation = this.transform.rotation,
_fieldOfView = this._fieldOfView,
_cameraRect = this._cameraRect,
_focusInfo = this._focusInfo
};
//Apply modifiers
for (int i = 0; i < _cinematicCameraShotModifiers.Length; i++)
{
_cinematicCameraShotModifiers[i].ModifiyState(ref state, clipPosition);
}
return(state);
}
private void GetPathNodeStateInfo(Path path, int nodeIndex, out CinematicCameraState cameraState, out Quaternion rotationToPath, out Vector3 forwardDir, out Vector3 upDir)
{
// (TO DO: cache components)
CinematicCameraShot shot = path._nodes[nodeIndex]._node.GetComponent <CinematicCameraShot>();
if (shot != null)
{
cameraState = shot.GetState();
PathPosition nodePos = path.GetPoint(path.GetPathT(path._nodes[nodeIndex]._node));
rotationToPath = Quaternion.FromToRotation(nodePos._pathForward, shot.transform.forward);
forwardDir = shot.transform.forward;
upDir = shot.transform.up;
}
else
{
cameraState = default;
rotationToPath = Quaternion.identity;
forwardDir = Vector3.forward;
upDir = Vector3.up;
}
}
private void ApplyAutoPanZoom(ref CinematicCameraState state, float clipPosition)
{
float fieldOfView = state._fieldOfView + MathUtils.Interpolate(_autoPanEase, _autoZoomAmount, _autoPanStyle == eAutoPanStyle.PanThrough ? -_autoZoomAmount : 0.0f, clipPosition);
switch (_autoZoomStyle)
{
case AutoZoomStyle.DollyZoom:
{
//From here https://en.wikipedia.org/wiki/Dolly_zoom
// distance = fixedWidth / 2tan(FoV*0.5)
// width = distance * 2tan(fov*0.5)
float focusDistance = state._focusInfo.GetFocusDistance(state._position);
float frustrumHeightAtDistance = focusDistance * 2.0f * Mathf.Tan(state._fieldOfView * 0.5f * Mathf.Deg2Rad);
//Now need to work out need camera distance to target
float distance = frustrumHeightAtDistance / (2.0f * Mathf.Tan(fieldOfView * Mathf.Deg2Rad * 0.5f));
//Then move camera back so its now this far away
float neededMovement = distance - focusDistance;
state._position -= state._rotation * Vector3.forward * neededMovement;
//update field of view
state._fieldOfView = fieldOfView;
//Also need to update focus data
state._focusInfo._focusPointDistance += neededMovement;
//Also need to update focus width???
state._focusInfo._focusPointFNumber += neededMovement * 0.01f;
}
break;
case AutoZoomStyle.PlainZoom:
{
state._fieldOfView = fieldOfView;
}
break;
}
}
public override void ProcessFrame(Playable playable, FrameData info, object playerData)
{
_trackBinding = playerData as CinematicCamera;
if (_trackBinding == null)
{
return;
}
if (!_firstFrameHappened)
{
_defaultState = _trackBinding.GetState();
_firstFrameHappened = true;
}
int numInputs = playable.GetInputCount();
float[] inputWeights = new float[numInputs];
float totalWeights = 0.0f;
CinematicCameraState[] states = new CinematicCameraState[numInputs];
for (int i = 0; i < numInputs; i++)
{
ScriptPlayable <CinematicCameraPlayableBehaviour> scriptPlayable = (ScriptPlayable <CinematicCameraPlayableBehaviour>)playable.GetInput(i);
CinematicCameraPlayableBehaviour inputBehaviour = scriptPlayable.GetBehaviour();
if (inputBehaviour != null && (inputBehaviour._cameraShot != null || inputBehaviour._path != null))
{
float inputWeight = playable.GetInputWeight(i);
if (inputWeight > 0.0f)
{
TimelineClip clip = _trackAsset.GetClip(inputBehaviour._clipAsset);
if (clip != null)
{
double clipStart = clip.hasPreExtrapolation ? clip.extrapolatedStart : clip.start;
double clipDuration = clip.hasPreExtrapolation || clip.hasPostExtrapolation ? clip.extrapolatedDuration : clip.duration;
if (_director.time >= clipStart && _director.time <= clipStart + clipDuration)
{
inputWeights[i] = inputWeight;
Extrapolation extrapolation = Extrapolation.Hold;
if (clip.hasPreExtrapolation && _director.time < clip.start)
{
extrapolation = GetExtrapolation(clip.preExtrapolationMode);
}
else if (clip.hasPostExtrapolation && _director.time > clip.start + clip.duration)
{
extrapolation = GetExtrapolation(clip.postExtrapolationMode);
}
float timeInClip = (float)(_director.time - clip.start);
//Single shot
if (inputBehaviour._cameraShot != null)
{
states[i] = inputBehaviour._cameraShot.GetState(timeInClip, (float)clip.duration);
}
//Camera path
else if (inputBehaviour._path != null)
{
float clipPosition = CinematicCameraMixer.GetClipPosition(extrapolation, timeInClip, (float)clip.duration);
float pathT = (float)MathUtils.Interpolate(inputBehaviour._pathInterpolation, 0d, 1f, clipPosition);
//Work out path position
PathPosition pos = inputBehaviour._path.GetPoint(pathT);
//Work out a lerp between to path nodes
inputBehaviour._path.GetNodeSection(pathT, out int startNode, out int endNode, out float sectionT);
//Lerp camera shot state based on the relevant section of the path
GetPathNodeStateInfo(timeInClip, (float)clip.duration, inputBehaviour._path, startNode, out CinematicCameraState startNodeState, out Quaternion startNodeFromTo, out Vector3 startNodeCamFor, out Vector3 startNodeCamUp);
GetPathNodeStateInfo(timeInClip, (float)clip.duration, inputBehaviour._path, endNode, out CinematicCameraState endNodeState, out Quaternion endNodeFromTo, out Vector3 endNodeCamFor, out Vector3 endNodeCamUp);
Vector3 cameraForward;
Vector3 cameraUp;
if (sectionT <= 0f)
{
states[i] = startNodeState;
//cameraForward = startNodeFromTo * pos._pathForward;
cameraForward = startNodeCamFor;
cameraUp = startNodeCamUp;
}
else if (sectionT >= 1f)
{
states[i] = endNodeState;
//cameraForward = endNodeFromTo * pos._pathForward;
cameraForward = endNodeCamFor;
cameraUp = endNodeCamUp;
}
else
{
states[i] = CinematicCameraState.Interpolate(_trackBinding, startNodeState, endNodeState, InterpolationType.Linear, sectionT);
//Work out rotation based on
Quaternion cameraRotation = Quaternion.Slerp(startNodeFromTo, endNodeFromTo, sectionT);
cameraForward = cameraRotation * pos._pathForward;
cameraForward = Vector3.Lerp(startNodeCamFor, endNodeCamFor, sectionT);
cameraUp = Vector3.Lerp(startNodeCamUp, endNodeCamUp, sectionT);
}
//Set camera position from path pos
states[i]._position = pos._pathPosition;
states[i]._rotation = Quaternion.LookRotation(cameraForward, cameraUp);
}
totalWeights += inputWeights[i];
}
}
}
}
}
if (totalWeights > 0.0f)
{
CinematicCameraState blendedState = _defaultState;
float weightAdjust = 1.0f / totalWeights;
bool firstBlend = true;
for (int i = 0; i < numInputs; i++)
{
if (inputWeights[i] > 0.0f)
{
if (firstBlend)
{
blendedState = states[i];
firstBlend = false;
}
else
{
blendedState = CinematicCameraState.Interpolate(_trackBinding, blendedState, states[i], InterpolationType.Linear, inputWeights[i] * weightAdjust);
}
}
}
_trackBinding.SetState(blendedState);
}
else
{
_trackBinding.SetState(_defaultState);
}
}
public override void ModifiyState(ref CinematicCameraState state, float clipPosition)
{
ApplyAutoPan(ref state, clipPosition);
}
private void ApplyAutoPanTranslation(ref CinematicCameraState state, float clipPosition)
{
Vector3 worldSpaceTranslate = this.transform.TransformDirection(_autoPanTranslation);
state._position += MathUtils.Interpolate(_autoPanEase, worldSpaceTranslate, _autoPanStyle == AutoPanStyle.PanThrough ? -worldSpaceTranslate : Vector3.zero, clipPosition);
}
public override void ModifiyState(ref CinematicCameraState state, float shotTime, float shotDuration)
{
state._rotation *= _rotation;
state._position += state._rotation * _translation;
}
public abstract void ModifiyState(ref CinematicCameraState state, float shotTime, float shotDuration);
public abstract void ModifiyState(ref CinematicCameraState state, float clipPosition);
