public bool IsBlendUse(VirtualCameraBase vcam)
{
if (activeBlend != null && activeBlend.IsUse(vcam))
{
return(true);
}
return(false);
}
public bool IsUse(VirtualCameraBase vcam)
{
if (vcam == camA || vcam == camB)
{
return(true);
}
return(false);
}
private CameraBlend CreateBlend(VirtualCameraBase camA, VirtualCameraBase camB, AnimationCurve blendCurve, float duration)
{
if (blendCurve == null || duration <= 0 || (camA == null && camB == null))
{
return(null);
}
return(new CameraBlend(camA, camB, blendCurve, duration, 0));
}
public CameraBlend(VirtualCameraBase a, VirtualCameraBase b, AnimationCurve curve, float duration, float t)
{
if (a == null || b == null)
{
throw new ArgumentException("Blend cameras cannot be null");
}
camA = a;
camB = b;
blendCurve = curve;
TimeInBlend = t;
Duration = duration;
}
public bool IsLive(VirtualCameraBase vcam)
{
if (activeCamera == vcam)
{
return(true);
}
if (IsBlendUse(vcam))
{
return(true);
}
return(false);
}
//选择一个合适的虚拟相机并把信息应用于unity 相机
private void ProcessActiveCamera()
{
if (!isActiveAndEnabled)
{
return;
}
VirtualCameraBase previousCam = activeCamera;
activeCamera = ActiveVirtualCamera;
if (activeCamera != null)
{
if (previousCam != null && previousCam.VirtualCameraGameObject == null)
{
return;
}
//进行转移
if (previousCam != null && previousCam != activeCamera)
{
float duration = 0;
AnimationCurve curve = LookupBlendCurve(previousCam, activeCamera, out duration);
activeBlend = CreateBlend(previousCam, activeCamera, curve, duration);
//
activeCamera.OnTransitionFromCamera(previousCam, DefaultWorldUp);
}
activeCamera.UpdateCameraInfo(DefaultWorldUp);
CameraInfo info = activeCamera.CInfo;
if (activeBlend != null)
{
if (activeBlend.IsComplete)
{
activeBlend = null;
if (blendComplete != null)
{
blendComplete();
}
}
else
{
activeBlend.UpdateCameraState(DefaultWorldUp);
info = activeBlend.CInfo;
}
}
PushInfoToUnityCamera(info);
}
}
private AnimationCurve LookupBlendCurve(VirtualCameraBase fromKey, VirtualCameraBase toKey, out float duration)
{
AnimationCurve blendCurve = toKey.defaultBlendDefinition.BlendCurve;
if (toKey.customBlends != null)
{
blendCurve = toKey.customBlends.GetBlendCurveForVirtualCameras(fromKey, blendCurve);
}
var keys = blendCurve.keys;
duration = (keys == null || keys.Length == 0) ? 0 : keys[keys.Length - 1].time;
return(blendCurve);
}
public override void OnTransitionFromCamera(VirtualCameraBase fromCam, Vector3 worldUp)
{
base.OnTransitionFromCamera(fromCam, worldUp);
if (!userSelfAngle)
{
if (fromCam is FreeLookCamera)
{
Quaternion q = Quaternion.LookRotation(fromCam.transform.forward);
angleX = q.eulerAngles.x;
angleY = q.eulerAngles.y;
}
}
UpdateCameraInfo(worldUp);
}
//添加相机
public void AddActiveCamera(VirtualCameraBase vcam)
{
// Bring it to the top of the list
RemoveActiveCamera(vcam);
// Keep list sorted by priority
int insertIndex;
for (insertIndex = 0; insertIndex < mActiveCameras.Count; ++insertIndex)
{
if (vcam.Priority >= mActiveCameras[insertIndex].Priority)
{
break;
}
}
mActiveCameras.Insert(insertIndex, vcam);
}
//移除
public void RemoveActiveCamera(VirtualCameraBase vcam)
{
mActiveCameras.Remove(vcam);
}
public override void OnTransitionFromCamera(VirtualCameraBase fromCam, Vector3 worldUp)
{
base.OnTransitionFromCamera(fromCam, worldUp);
}
//相机切换
public virtual void OnTransitionFromCamera(VirtualCameraBase fromCam, Vector3 worldUp)
{
}
