public static Vector3 Scale(this InteropMatrix4x4 matrix)
{
Vector3 scale;
scale.x = new Vector4(matrix.m00, matrix.m10, matrix.m20, matrix.m30).magnitude;
scale.y = new Vector4(matrix.m01, matrix.m11, matrix.m21, matrix.m31).magnitude;
scale.z = new Vector4(matrix.m02, matrix.m12, matrix.m22, matrix.m32).magnitude;
return(scale);
}
public static Vector3 Position(this InteropMatrix4x4 matrix)
{
Vector3 position;
position.x = matrix.m03;
position.y = matrix.m13;
position.z = matrix.m23;
return(position);
}
public static Quaternion Rotation(this InteropMatrix4x4 matrix)
{
Vector3 forward;
forward.x = matrix.m02;
forward.y = matrix.m12;
forward.z = matrix.m22;
Vector3 upwards;
upwards.x = matrix.m01;
upwards.y = matrix.m11;
upwards.z = matrix.m21;
return(Quaternion.LookRotation(forward, upwards));
}
public static int SetObjectTransform(
[MarshalAs(UnmanagedType.LPStr)] string name,
InteropMatrix4x4 transform
)
{
try
{
var obj = Bridge.GetObject(name);
obj.Transform = transform;
Bridge.SendEntity(RpcRequest.UpdateSceneObject, obj);
return(1);
}
catch (Exception e)
{
SetLastError(e);
return(-1);
}
}
internal void UpdateFromInterop(InteropSceneObject obj)
{
// Blender is z-up - swap z/y everywhere
// TODO: But they could also change the up axis manually...
InteropMatrix4x4 t = obj.transform;
transform.position = new Vector3(t.m03, t.m23, t.m13);
Vector3 forward;
forward.x = t.m02;
forward.y = t.m22;
forward.z = t.m12;
Vector3 up;
up.x = t.m01;
up.y = t.m21;
up.z = t.m11;
transform.rotation = Quaternion.LookRotation(forward, up);
// Multiplying X by -1 to account for different axes.
// TODO: Improve on.
transform.localScale = new Vector4(
new Vector4(t.m00, t.m10, t.m30, t.m20).magnitude * -1,
new Vector4(t.m01, t.m11, t.m31, t.m21).magnitude,
new Vector4(t.m02, t.m12, t.m32, t.m22).magnitude
);
if (obj.type == SceneObjectType.Mesh && mesh == null)
{
AddMesh($"Blender Mesh `{obj.name}`");
}
// Material name change
if (Data.material != obj.material)
{
SetMaterial(obj.material);
}
Data = obj;
}
public static int AddMeshObjectToScene(
[MarshalAs(UnmanagedType.LPStr)] string name,
InteropMatrix4x4 transform,
[MarshalAs(UnmanagedType.LPStr)] string material
)
{
InteropLogger.Debug($"Adding mesh <name={name}, material={material}>");
try
{
var obj = new SceneObject(name, SceneObjectType.Mesh);
obj.Transform = transform;
obj.Material = material;
Bridge.AddObject(obj);
return(1);
}
catch (Exception e)
{
SetLastError(e);
return(-1);
}
}
public static void FromInteropMatrix4x4(this Transform transform, InteropMatrix4x4 matrix)
{
transform.localScale = matrix.Scale();
transform.rotation = matrix.Rotation();
transform.position = matrix.Position();
}