65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file fltTransformRotateAboutPoint.h
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* @author drose
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* @date 2000-08-30
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*/
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#ifndef FLTTRANSFORMROTATEABOUTPOINT_H
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#define FLTTRANSFORMROTATEABOUTPOINT_H
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#include "pandatoolbase.h"
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#include "fltTransformRecord.h"
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/**
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* A transformation that rotates about a particular axis in space, defined by
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* a point and vector.
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*/
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class FltTransformRotateAboutPoint : public FltTransformRecord {
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public:
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FltTransformRotateAboutPoint(FltHeader *header);
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void set(const LPoint3d ¢er, const LVector3 &axis, PN_stdfloat angle);
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const LPoint3d &get_center() const;
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const LVector3 &get_axis() const;
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PN_stdfloat get_angle() const;
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private:
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void recompute_matrix();
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LPoint3d _center;
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LVector3 _axis;
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PN_stdfloat _angle;
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protected:
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virtual bool extract_record(FltRecordReader &reader);
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virtual bool build_record(FltRecordWriter &writer) const;
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public:
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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FltTransformRecord::init_type();
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register_type(_type_handle, "FltTransformRotateAboutPoint",
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FltTransformRecord::get_class_type());
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}
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private:
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static TypeHandle _type_handle;
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};
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#endif
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