/// <summary>
/// Configure FbxCameras from GameCamera
/// </summary>
private static void ConfigureGameCamera(FbxCamera fbxCamera, Camera unityCamera)
{
// Configure FilmBack settings as a 35mm TV Projection (0.816 x 0.612)
float aspectRatio = unityCamera.aspect;
float apertureHeightInInches = 0.612f;
float apertureWidthInInches = aspectRatio * apertureHeightInInches;
FbxCamera.EProjectionType projectionType =
unityCamera.orthographic ? FbxCamera.EProjectionType.eOrthogonal : FbxCamera.EProjectionType.ePerspective;
fbxCamera.ProjectionType.Set(projectionType);
fbxCamera.FilmAspectRatio.Set(aspectRatio);
fbxCamera.SetApertureWidth(apertureWidthInInches);
fbxCamera.SetApertureHeight(apertureHeightInInches);
fbxCamera.SetApertureMode(FbxCamera.EApertureMode.eVertical);
// Focal Length
double focalLength = fbxCamera.ComputeFocalLength(unityCamera.fieldOfView);
fbxCamera.FocalLength.Set(focalLength);
// Field of View
fbxCamera.FieldOfView.Set(unityCamera.fieldOfView);
// NearPlane
fbxCamera.SetNearPlane(unityCamera.nearClipPlane.Meters().ToCentimeters());
// FarPlane
fbxCamera.SetFarPlane(unityCamera.farClipPlane.Meters().ToCentimeters());
return;
}
/// <summary>
/// Configure FbxCameras from a Physical Camera
/// </summary>
private static void ConfigurePhysicalCamera(FbxCamera fbxCamera, Camera unityCamera)
{
Debug.Assert(unityCamera.usePhysicalProperties);
// Configure FilmBack settings
float apertureHeightInInches = unityCamera.sensorSize.y.Millimeters().ToInches();
float apertureWidthInInches = unityCamera.sensorSize.x.Millimeters().ToInches();
float aspectRatio = apertureWidthInInches / apertureHeightInInches;
FbxCamera.EProjectionType projectionType = unityCamera.orthographic
? FbxCamera.EProjectionType.eOrthogonal
: FbxCamera.EProjectionType.ePerspective;
// NOTE: it is possible to match some of the sensor sizes to the
// predefined EApertureFormats : e16mmTheatrical, eSuper16mm,
// e35mmFullAperture, eIMAX. However the round in the sizes is not
// consistent between Unity and FBX so we choose
// to leave the values as a eCustomAperture setting.
fbxCamera.ProjectionType.Set(projectionType);
fbxCamera.FilmAspectRatio.Set(aspectRatio);
Vector2 gameViewSize = GetSizeOfMainGameView();
fbxCamera.SetAspect(FbxCamera.EAspectRatioMode.eFixedRatio, gameViewSize.x / gameViewSize.y, 1.0);
fbxCamera.SetApertureWidth(apertureWidthInInches);
fbxCamera.SetApertureHeight(apertureHeightInInches);
// Fit the resolution gate horizontally within the film gate.
fbxCamera.GateFit.Set(s_mapGateFit[unityCamera.gateFit]);
// Lens Shift ( Film Offset ) as a percentage 0..1
// FBX FilmOffset is in inches
fbxCamera.FilmOffsetX.Set(apertureWidthInInches * Mathf.Clamp(Mathf.Abs(unityCamera.lensShift.x), 0f, 1f) * Mathf.Sign(unityCamera.lensShift.x));
fbxCamera.FilmOffsetY.Set(apertureHeightInInches * Mathf.Clamp(Mathf.Abs(unityCamera.lensShift.y), 0f, 1f) * Mathf.Sign(unityCamera.lensShift.y));
// Focal Length
fbxCamera.SetApertureMode(FbxCamera.EApertureMode.eFocalLength);
double focalLength = (double)unityCamera.focalLength;
fbxCamera.FocalLength.Set(focalLength); /* in millimeters */
// NearPlane
fbxCamera.SetNearPlane((double)unityCamera.nearClipPlane.Meters().ToCentimeters());
// FarPlane
fbxCamera.SetFarPlane((float)unityCamera.farClipPlane.Meters().ToCentimeters());
return;
}
/// <summary>
/// Exports camera component
/// </summary>
protected FbxCamera ExportCamera(Camera unityCamera, FbxScene fbxScene, FbxNode fbxNode)
{
FbxCamera fbxCamera = FbxCamera.Create(fbxScene.GetFbxManager(), unityCamera.name);
bool perspective = unityCamera.orthographic != true;
float aspectRatio = unityCamera.aspect;
// Configure FilmBack settings: 35mm TV Projection (0.816 x 0.612)
float apertureHeightInInches = 0.612f;
float apertureWidthInInches = aspectRatio * apertureHeightInInches;
FbxCamera.EProjectionType projectionType =
perspective ? FbxCamera.EProjectionType.ePerspective : FbxCamera.EProjectionType.eOrthogonal;
fbxCamera.ProjectionType.Set(projectionType);
fbxCamera.SetAspect(FbxCamera.EAspectRatioMode.eFixedRatio, aspectRatio, 1.0f);
fbxCamera.FilmAspectRatio.Set(aspectRatio);
fbxCamera.SetApertureWidth(apertureWidthInInches);
fbxCamera.SetApertureHeight(apertureHeightInInches);
fbxCamera.SetApertureMode(FbxCamera.EApertureMode.eFocalLength);
// FOV / Focal Length
fbxCamera.FocalLength.Set(fbxCamera.ComputeFocalLength(unityCamera.fieldOfView));
// NearPlane
fbxCamera.SetNearPlane(unityCamera.nearClipPlane);
// FarPlane
fbxCamera.SetFarPlane(unityCamera.farClipPlane);
// Export backgroundColor as a custom property
// NOTE: export on fbxNode so that it will show up in Maya
ExportColorProperty(fbxNode, unityCamera.backgroundColor,
MakeName("backgroundColor"),
"The color with which the screen will be cleared.");
// Export clearFlags as a custom property
// NOTE: export on fbxNode so that it will show up in Maya
ExportIntProperty(fbxNode, (int)unityCamera.clearFlags,
MakeName("clearFlags"),
"How the camera clears the background.");
return(fbxCamera);
}
protected override FbxScene CreateScene(FbxManager manager)
{
FbxScene scene = base.CreateScene(manager);
FbxNode cameraNode = scene.GetRootNode().GetChild(0);
FbxCamera camera = FbxCamera.Create(scene, "camera");
camera.ProjectionType.Set(FbxCamera.EProjectionType.ePerspective);
camera.SetAspect(FbxCamera.EAspectRatioMode.eFixedRatio, 300, 400);
camera.FilmAspectRatio.Set(240);
camera.SetApertureWidth(4);
camera.SetApertureHeight(2);
camera.SetApertureMode(FbxCamera.EApertureMode.eFocalLength);
camera.FocalLength.Set(32);
camera.SetNearPlane(1);
camera.SetFarPlane(100);
// create custom property (background color)
var bgColorProperty = FbxProperty.Create(cameraNode, Globals.FbxColor4DT, "backgroundColor");
Assert.IsTrue(bgColorProperty.IsValid());
bgColorProperty.Set(new FbxColor(0.5, 0.4, 0.1, 1));
// Must be marked user-defined or it won't be shown in most DCCs
bgColorProperty.ModifyFlag(FbxPropertyFlags.EFlags.eUserDefined, true);
bgColorProperty.ModifyFlag(FbxPropertyFlags.EFlags.eAnimatable, true);
Assert.IsTrue(bgColorProperty.GetFlag(FbxPropertyFlags.EFlags.eUserDefined));
Assert.IsTrue(bgColorProperty.GetFlag(FbxPropertyFlags.EFlags.eAnimatable));
// create custom property (clear flags)
var clearFlagsProperty = FbxProperty.Create(cameraNode, Globals.FbxIntDT, "clearFlags");
Assert.IsTrue(clearFlagsProperty.IsValid());
clearFlagsProperty.Set(4);
// Must be marked user-defined or it won't be shown in most DCCs
clearFlagsProperty.ModifyFlag(FbxPropertyFlags.EFlags.eUserDefined, true);
clearFlagsProperty.ModifyFlag(FbxPropertyFlags.EFlags.eAnimatable, true);
Assert.IsTrue(clearFlagsProperty.GetFlag(FbxPropertyFlags.EFlags.eUserDefined));
Assert.IsTrue(clearFlagsProperty.GetFlag(FbxPropertyFlags.EFlags.eAnimatable));
// Add camera properties to animation clip
FbxAnimStack animStack = scene.GetCurrentAnimationStack();
FbxAnimLayer animLayer = animStack.GetAnimLayerMember();
// TODO: (UNI-19438) Figure out why trying to do GetCurve for NearPlane always returns null
CreateAnimCurves(cameraNode, animLayer, new List <PropertyComponentPair> ()
{
new PropertyComponentPair("backgroundColor", new string[] {
Globals.FBXSDK_CURVENODE_COLOR_RED,
Globals.FBXSDK_CURVENODE_COLOR_GREEN,
Globals.FBXSDK_CURVENODE_COLOR_BLUE, "W"
}),
new PropertyComponentPair("FocalLength", new string[] { null }),
new PropertyComponentPair("clearFlags", new string[] { null })
}, (index) => { return(index); }, (index) => { return(index / 5.0f); }, camera);
cameraNode.SetNodeAttribute(camera);
// set the default camera
scene.GetGlobalSettings().SetDefaultCamera(cameraNode.GetName());
return(scene);
}
