static Bounds GetScreenSpaceGroupBoundingBox(
CinemachineTargetGroup group, ref Vector3 pos, Quaternion orientation)
{
Matrix4x4 observer = Matrix4x4.TRS(pos, orientation, Vector3.one);
Vector2 minAngles, maxAngles, zRange;
group.GetViewSpaceAngularBounds(observer, out minAngles, out maxAngles, out zRange);
Quaternion q = Quaternion.identity.ApplyCameraRotation((minAngles + maxAngles) / 2, Vector3.up);
Vector3 localPosAdustment = q * new Vector3(0, 0, (zRange.y + zRange.x) / 2);
localPosAdustment.z = 0;
pos = observer.MultiplyPoint3x4(localPosAdustment);
observer = Matrix4x4.TRS(pos, orientation, Vector3.one);
group.GetViewSpaceAngularBounds(observer, out minAngles, out maxAngles, out zRange);
float zSize = zRange.y - zRange.x;
float z = zRange.x + (zSize / 2);
Vector2 angles = new Vector2(89.5f, 89.5f);
if (zRange.x > 0)
{
angles = Vector3.Max(maxAngles, UnityVectorExtensions.Abs(minAngles)) * Mathf.Deg2Rad;
angles = Vector2.Min(angles, new Vector2(89.5f, 89.5f));
}
return(new Bounds(new Vector3(0, 0, z),
new Vector3(Mathf.Tan(angles.y) * z * 2, Mathf.Tan(angles.x) * z * 2, zSize)));
}
/// <param name="observer">Point of view</param>
/// <param name="newFwd">New forward direction to use when interpreting the return value</param>
/// <returns>Bounding box in a slightly rotated version of observer, as specified by newFwd</returns>
static Bounds GetScreenSpaceGroupBoundingBox(
CinemachineTargetGroup group, Matrix4x4 observer, out Vector3 newFwd)
{
Vector2 minAngles, maxAngles, zRange;
group.GetViewSpaceAngularBounds(observer, out minAngles, out maxAngles, out zRange);
Vector2 shift = (minAngles + maxAngles) / 2;
newFwd = Quaternion.identity.ApplyCameraRotation(shift, Vector3.up) * Vector3.forward;
newFwd = observer.MultiplyVector(newFwd);
float d = (zRange.y + zRange.x);
Vector2 angles = (maxAngles - shift) * Mathf.Deg2Rad;
angles = Vector2.Min(angles, new Vector2(89.5f, 89.5f));
return(new Bounds(
new Vector3(0, 0, d / 2),
new Vector3(Mathf.Tan(angles.y) * d, Mathf.Tan(angles.x) * d, zRange.y - zRange.x)));
}