00001 // Filename: fltTransformRotateScale.h 00002 // Created by: drose (30Aug00) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved 00008 // 00009 // All use of this software is subject to the terms of the Panda 3d 00010 // Software license. You should have received a copy of this license 00011 // along with this source code; you will also find a current copy of 00012 // the license at http://www.panda3d.org/license.txt . 00013 // 00014 // To contact the maintainers of this program write to 00015 // panda3d@yahoogroups.com . 00016 // 00017 //////////////////////////////////////////////////////////////////// 00018 00019 #ifndef FLTTRANSFORMROTATESCALE_H 00020 #define FLTTRANSFORMROTATESCALE_H 00021 00022 #include <pandatoolbase.h> 00023 00024 #include "fltTransformRecord.h" 00025 00026 //////////////////////////////////////////////////////////////////// 00027 // Class : FltTransformRotateScale 00028 // Description : A combination rotation and scale. This is sometimes 00029 // called "Rotate To Point" within MultiGen. 00030 //////////////////////////////////////////////////////////////////// 00031 class FltTransformRotateScale : public FltTransformRecord { 00032 public: 00033 FltTransformRotateScale(FltHeader *header); 00034 00035 void set(const LPoint3d ¢er, const LPoint3d &reference_point, 00036 const LPoint3d &to_point, bool axis_scale); 00037 00038 const LPoint3d &get_center() const; 00039 const LPoint3d &get_reference_point() const; 00040 const LPoint3d &get_to_point() const; 00041 float get_overall_scale() const; 00042 float get_axis_scale() const; 00043 float get_angle() const; 00044 00045 private: 00046 void recompute_matrix(); 00047 00048 LPoint3d _center; 00049 LPoint3d _reference_point; 00050 LPoint3d _to_point; 00051 float _overall_scale; 00052 float _axis_scale; 00053 float _angle; 00054 00055 protected: 00056 virtual bool extract_record(FltRecordReader &reader); 00057 virtual bool build_record(FltRecordWriter &writer) const; 00058 00059 public: 00060 virtual TypeHandle get_type() const { 00061 return get_class_type(); 00062 } 00063 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00064 static TypeHandle get_class_type() { 00065 return _type_handle; 00066 } 00067 static void init_type() { 00068 FltTransformRecord::init_type(); 00069 register_type(_type_handle, "FltTransformRotateScale", 00070 FltTransformRecord::get_class_type()); 00071 } 00072 00073 private: 00074 static TypeHandle _type_handle; 00075 }; 00076 00077 #endif 00078 00079