public void ResetCamera()
{
//<PerspectiveCamera UpDirection="0,1,0" Position="1,1,1" LookDirection="-1,-1,-1" FieldOfView="45" />
MDagPath cameraPath;
try {
// Try with a Maya host first
cameraPath = M3dView.active3dView.Camera;
} catch {
// We are in standalone mode (WPF application)
MSelectionList list = new MSelectionList();
list.add("persp");
cameraPath = new MDagPath();
list.getDagPath(0, cameraPath);
}
MFnCamera fnCamera = new MFnCamera(cameraPath);
MPoint eyePoint = fnCamera.eyePoint(MSpace.Space.kWorld);
MPoint centerOfInterestPoint = fnCamera.centerOfInterestPoint(MSpace.Space.kWorld);
MVector direction = centerOfInterestPoint.minus(eyePoint);
MVector upDirection = fnCamera.upDirection(MSpace.Space.kWorld);
camera.Position = new Point3D(eyePoint.x, eyePoint.y, eyePoint.z);
camera.LookDirection = new Vector3D(direction.x, direction.y, direction.z);
MAngle fieldOfView = new MAngle(fnCamera.verticalFieldOfView); //verticalFieldOfView / horizontalFieldOfView
camera.FieldOfView = fieldOfView.asDegrees;
camera.UpDirection = new Vector3D(upDirection.x, upDirection.y, upDirection.z);
camera.NearPlaneDistance = fnCamera.nearClippingPlane;
camera.FarPlaneDistance = fnCamera.farClippingPlane;
camera.Transform = new Transform3DGroup();
(camera.Transform as Transform3DGroup).Children.Add(new TranslateTransform3D(new Vector3D()));
}
/// <summary>
///
/// </summary>
/// <param name="mDagPath">DAG path to the transform above camera</param>
/// <param name="babylonScene"></param>
/// <returns></returns>
private BabylonNode ExportCamera(MDagPath mDagPath, BabylonScene babylonScene)
{
RaiseMessage(mDagPath.partialPathName, 1);
// Transform above camera
MFnTransform mFnTransform = new MFnTransform(mDagPath);
// Camera direct child of the transform
MFnCamera mFnCamera = null;
for (uint i = 0; i < mFnTransform.childCount; i++)
{
MObject childObject = mFnTransform.child(i);
if (childObject.apiType == MFn.Type.kCamera)
{
var _mFnCamera = new MFnCamera(childObject);
if (!_mFnCamera.isIntermediateObject)
{
mFnCamera = _mFnCamera;
}
}
}
if (mFnCamera == null)
{
RaiseError("No camera found has child of " + mDagPath.fullPathName);
return(null);
}
// --- prints ---
#region prints
RaiseVerbose("BabylonExporter.Camera | mFnCamera data", 2);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.eyePoint(MSpace.Space.kWorld).toString()=" + mFnCamera.eyePoint(MSpace.Space.kTransform).toString(), 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.viewDirection(MSpace.Space.kWorld).toString()=" + mFnCamera.viewDirection(MSpace.Space.kTransform).toString(), 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.upDirection(MSpace.Space.kWorld).toString()=" + mFnCamera.upDirection(MSpace.Space.kTransform).toString(), 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.rightDirection(MSpace.Space.kWorld).toString()=" + mFnCamera.rightDirection(MSpace.Space.kTransform).toString(), 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.centerOfInterestPoint(MSpace.Space.kWorld).toString()=" + mFnCamera.centerOfInterestPoint(MSpace.Space.kTransform).toString(), 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.centerOfInterest=" + mFnCamera.centerOfInterest, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.aspectRatio=" + mFnCamera.aspectRatio, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.horizontalFieldOfView=" + mFnCamera.horizontalFieldOfView, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.verticalFieldOfView=" + mFnCamera.verticalFieldOfView, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.horizontalFieldOfView / mFnCamera.verticalFieldOfView=" + mFnCamera.horizontalFieldOfView / mFnCamera.verticalFieldOfView, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.focalLength=" + mFnCamera.focalLength, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.nearFocusDistance=" + mFnCamera.nearFocusDistance, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.nearClippingPlane=" + mFnCamera.nearClippingPlane, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.unnormalizedNearClippingPlane=" + mFnCamera.unnormalizedNearClippingPlane, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.farFocusDistance=" + mFnCamera.farFocusDistance, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.farClippingPlane=" + mFnCamera.farClippingPlane, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.unnormalizedFarClippingPlane=" + mFnCamera.unnormalizedFarClippingPlane, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.isClippingPlanes=" + mFnCamera.isClippingPlanes, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.isIntermediateObject=" + mFnCamera.isIntermediateObject, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.focusDistance=" + mFnCamera.focusDistance, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.isStereo=" + mFnCamera.isStereo, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.eyeOffset=" + mFnCamera.eyeOffset, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.shutterAngle=" + mFnCamera.shutterAngle, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.isDepthOfField=" + mFnCamera.isDepthOfField, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.renderPanZoom=" + mFnCamera.renderPanZoom, 3);
Print(mFnTransform, 2, "Print ExportCamera mFnTransform");
Print(mFnCamera, 2, "Print ExportCamera mFnCamera");
#endregion
if (IsCameraExportable(mFnCamera, mDagPath) == false)
{
return(null);
}
var babylonCamera = new BabylonCamera {
name = mFnTransform.name, id = mFnTransform.uuid().asString()
};
// Hierarchy
ExportHierarchy(babylonCamera, mFnTransform);
// Position / rotation
RaiseVerbose("BabylonExporter.Camera | ExportTransform", 2);
float[] position = null;
float[] rotationQuaternion = null;
float[] rotation = null;
float[] scaling = null;
GetTransform(mFnTransform, ref position, ref rotationQuaternion, ref rotation, ref scaling);
babylonCamera.position = position;
if (_exportQuaternionsInsteadOfEulers)
{
babylonCamera.rotationQuaternion = rotationQuaternion;
}
babylonCamera.rotation = rotation;
// Field of view of babylon is the vertical one
babylonCamera.fov = (float)mFnCamera.verticalFieldOfView;
// Clipping planes
babylonCamera.minZ = (float)mFnCamera.nearClippingPlane;
babylonCamera.maxZ = (float)mFnCamera.farClippingPlane;
// Constraints on near clipping plane
if (babylonCamera.minZ == 0.0f)
{
babylonCamera.minZ = 0.1f;
}
// TODO - Retreive from Maya
//// Type
//babylonCamera.type = cameraNode.MaxNode.GetStringProperty("babylonjs_type", "FreeCamera");
//// Control
//babylonCamera.speed = cameraNode.MaxNode.GetFloatProperty("babylonjs_speed", 1.0f);
//babylonCamera.inertia = cameraNode.MaxNode.GetFloatProperty("babylonjs_inertia", 0.9f);
//// Collisions
//babylonCamera.checkCollisions = cameraNode.MaxNode.GetBoolProperty("babylonjs_checkcollisions");
//babylonCamera.applyGravity = cameraNode.MaxNode.GetBoolProperty("babylonjs_applygravity");
//babylonCamera.ellipsoid = cameraNode.MaxNode.GetVector3Property("babylonjs_ellipsoid");
// Target
MFnTransform target = null;
MObject cameraGroupObject = mFnCamera.findPlug("centerOfInterest").source.node;
if (cameraGroupObject.apiType == MFn.Type.kLookAt)
{
MFnDependencyNode cameraGroup = new MFnDependencyNode(cameraGroupObject);
// Retreive the camera aim transform
MPlugArray connections = new MPlugArray();
cameraGroup.getConnections(connections);
foreach (MPlug connection in connections)
{
if (connection.name.EndsWith("targetParentMatrix")) // ugly
{
MObject connectionSourceObject = connection.source.node;
target = new MFnTransform(connectionSourceObject);
break;
}
}
}
if (target != null)
{
babylonCamera.lockedTargetId = target.uuid().asString();
}
//// TODO - Check if should be local or world
//var vDir = new MVector(0, 0, -1);
//var transformationMatrix = new MTransformationMatrix(mFnTransform.transformationMatrix);
//vDir *= transformationMatrix.asMatrix(1);
//vDir = vDir.Add(position);
//babylonCamera.target = new[] { vDir.X, vDir.Y, vDir.Z };
// Animations
if (target == null)
{
ExportNodeAnimation(babylonCamera, mFnTransform);
}
else
{
ExportNodeAnimationFrameByFrame(babylonCamera, mFnTransform);
}
babylonScene.CamerasList.Add(babylonCamera);
RaiseMessage("BabylonExporter.Camera | done", 2);
return(babylonCamera);
}
public void ResetCamera()
{
//<PerspectiveCamera UpDirection="0,1,0" Position="1,1,1" LookDirection="-1,-1,-1" FieldOfView="45" />
MDagPath cameraPath ;
try {
// Try with a Maya host first
cameraPath =M3dView.active3dView.Camera ;
} catch {
// We are in standalone mode (WPF application)
MSelectionList list =new MSelectionList () ;
list.add ("persp") ;
cameraPath =new MDagPath () ;
list.getDagPath (0, cameraPath) ;
}
MFnCamera fnCamera =new MFnCamera (cameraPath) ;
MPoint eyePoint =fnCamera.eyePoint (MSpace.Space.kWorld) ;
MPoint centerOfInterestPoint =fnCamera.centerOfInterestPoint (MSpace.Space.kWorld) ;
MVector direction =centerOfInterestPoint.minus (eyePoint) ;
MVector upDirection =fnCamera.upDirection (MSpace.Space.kWorld) ;
camera.Position =new Point3D (eyePoint.x, eyePoint.y, eyePoint.z) ;
camera.LookDirection =new Vector3D (direction.x, direction.y, direction.z) ;
MAngle fieldOfView =new MAngle (fnCamera.verticalFieldOfView) ; //verticalFieldOfView / horizontalFieldOfView
camera.FieldOfView =fieldOfView.asDegrees ;
camera.UpDirection =new Vector3D (upDirection.x, upDirection.y, upDirection.z) ;
camera.NearPlaneDistance =fnCamera.nearClippingPlane ;
camera.FarPlaneDistance =fnCamera.farClippingPlane ;
camera.Transform =new Transform3DGroup () ;
(camera.Transform as Transform3DGroup).Children.Add (new TranslateTransform3D (new Vector3D ())) ;
}
