122 lines
3.4 KiB
C
122 lines
3.4 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 eggTransform.h
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* @author drose
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* @date 2002-06-21
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*/
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#ifndef EGGTRANSFORM_H
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#define EGGTRANSFORM_H
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#include "pandabase.h"
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#include "luse.h"
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#include "eggObject.h"
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/**
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* This represents the <Transform> entry of a group or texture node: a list of
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* component transform operations, applied in order, that describe a net
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* transform matrix.
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*
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* This may be either a 3-d transform, and therefore described by a 4x4
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* matrix, or a 2-d transform, described by a 3x3 matrix.
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*/
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class EXPCL_PANDA_EGG EggTransform {
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PUBLISHED:
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EggTransform();
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EggTransform(const EggTransform ©);
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EggTransform &operator = (const EggTransform ©);
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virtual ~EggTransform();
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INLINE void clear_transform();
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void add_translate2d(const LVector2d &translate);
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void add_translate3d(const LVector3d &translate);
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void add_rotate2d(double angle);
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void add_rotx(double angle);
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void add_roty(double angle);
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void add_rotz(double angle);
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void add_rotate3d(double angle, const LVector3d &axis);
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void add_rotate3d(const LQuaterniond &quat);
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void add_scale2d(const LVecBase2d &scale);
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void add_scale3d(const LVecBase3d &scale);
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void add_uniform_scale(double scale);
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INLINE void add_matrix3(const LMatrix3d &mat);
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INLINE void add_matrix4(const LMatrix4d &mat);
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INLINE bool has_transform() const;
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INLINE bool has_transform2d() const;
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INLINE void set_transform2d(const LMatrix3d &mat);
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INLINE bool has_transform3d() const;
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INLINE void set_transform3d(const LMatrix4d &mat);
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INLINE LMatrix3d get_transform2d() const;
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INLINE const LMatrix4d &get_transform3d() const;
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INLINE bool transform_is_identity() const;
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enum ComponentType {
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CT_invalid,
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CT_translate2d,
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CT_translate3d,
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CT_rotate2d,
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CT_rotx,
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CT_roty,
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CT_rotz,
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CT_rotate3d,
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CT_scale2d,
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CT_scale3d,
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CT_uniform_scale,
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CT_matrix3,
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CT_matrix4
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};
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INLINE int get_num_components() const;
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INLINE ComponentType get_component_type(int n) const;
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INLINE double get_component_number(int n) const;
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INLINE const LVecBase2d &get_component_vec2(int n) const;
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INLINE const LVecBase3d &get_component_vec3(int n) const;
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INLINE const LMatrix3d &get_component_mat3(int n) const;
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INLINE const LMatrix4d &get_component_mat4(int n) const;
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void write(std::ostream &out, int indent_level,
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const std::string &label) const;
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protected:
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void internal_clear_transform();
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void internal_add_matrix(const LMatrix3d &mat);
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void internal_add_matrix(const LMatrix4d &mat);
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INLINE void internal_set_transform(const LMatrix3d &mat);
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INLINE void internal_set_transform(const LMatrix4d &mat);
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virtual void transform_changed();
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private:
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class Component {
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public:
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INLINE Component(ComponentType type, double number = 0.0);
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INLINE Component(const Component ©);
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INLINE void operator = (const Component ©);
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INLINE ~Component();
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ComponentType _type;
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double _number;
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LVecBase2d *_vec2;
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LVecBase3d *_vec3;
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LMatrix3d *_mat3;
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LMatrix4d *_mat4;
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};
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bool _is_transform_2d;
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typedef pvector<Component> Components;
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Components _components;
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LMatrix4d _transform;
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};
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#include "eggTransform.I"
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#endif
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