SIM/SIM_ConAnchorObjSpaceRot.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Jeff Lait
 *      Side Effects Software Inc
 *      123 Front Street West, Suite 1401
 *      Toronto, Ontario
 *      Canada   M5J 2M2
 *      416-504-9876
 */

#ifndef __SIM_ConAnchorObjSpaceRot_h__
#define __SIM_ConAnchorObjSpaceRot_h__

#include "SIM_API.h"
#include "SIM_ConAnchorObjRotational.h"

/// A concrete constraint source: the "lookat" constraint, set to
/// track the orientation from one object to another.
class SIM_API SIM_ConAnchorObjSpaceRot : public SIM_ConAnchorObjRotational
{
public:
    /// Object-space offset.
    GETSET_DATA_FUNCS_V3(SIM_NAME_OFFSET, Offset);

protected:
    explicit             SIM_ConAnchorObjSpaceRot(const SIM_DataFactory *f);
    virtual             ~SIM_ConAnchorObjSpaceRot();

    virtual void                 initParmsFromWorldSpacePositionSubclass(
                                            const UT_Vector3 &worldspacepos,
                                            const SIM_Object *object);

    virtual UT_Vector3           getGuidePositionSubclass(
                                        const SIM_Time &time) const;
    virtual UT_Quaternion        getOrientationSubclass(
                                        const SIM_Time &time) const;

private:
    static const SIM_DopDescription     *getDopDescription();

    DECLARE_STANDARD_GETCASTTOTYPE();
    DECLARE_DATAFACTORY(SIM_ConAnchorObjSpaceRot,
                        SIM_ConAnchorObjRotational,
                        "Anchor: Object Space Rotation",
                        getDopDescription());
};

#endif

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