Panda3D
eggCompositePrimitive.I
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1 /**
2  * PANDA 3D SOFTWARE
3  * Copyright (c) Carnegie Mellon University. All rights reserved.
4  *
5  * All use of this software is subject to the terms of the revised BSD
6  * license. You should have received a copy of this license along
7  * with this source code in a file named "LICENSE."
8  *
9  * @file eggCompositePrimitive.I
10  * @author drose
11  * @date 2005-03-13
12  */
13 
14 /**
15  *
16  */
17 INLINE EggCompositePrimitive::
18 EggCompositePrimitive(const std::string &name) : EggPrimitive(name) {
19 }
20 
21 /**
22  *
23  */
24 INLINE EggCompositePrimitive::
25 EggCompositePrimitive(const EggCompositePrimitive &copy) : EggPrimitive(copy) {
26 }
27 
28 /**
29  *
30  */
31 INLINE EggCompositePrimitive &EggCompositePrimitive::
32 operator = (const EggCompositePrimitive &copy) {
33  EggPrimitive::operator = (copy);
34  return *this;
35 }
36 
37 /**
38  * Returns the number of individual component triangles within the composite.
39  * Each one of these might have a different set of attributes.
40  */
41 INLINE size_t EggCompositePrimitive::
42 get_num_components() const {
43  return _components.size();
44 }
45 
46 /**
47  * Returns the attributes for the nth component triangle.
48  */
50 get_component(size_t i) const {
51  nassertr(i < _components.size(), nullptr);
52  return _components[i];
53 }
54 
55 /**
56  * Returns the attributes for the nth component triangle.
57  */
59 get_component(size_t i) {
60  nassertr(i < _components.size(), nullptr);
61  return _components[i];
62 }
63 
64 /**
65  * Changes the attributes for the nth component triangle.
66  */
67 INLINE void EggCompositePrimitive::
68 set_component(size_t i, const EggAttributes *attrib) {
69  nassertv(i < _components.size());
70  _components[i] = new EggAttributes(*attrib);
71 }
72 
73 /**
74  * Subdivides the composite primitive into triangles and adds those triangles
75  * to the indicated container. Does not remove the primitive from its
76  * existing parent or modify it in any way.
77  *
78  * Returns true if the triangulation is successful, or false if there was some
79  * error (in which case the container may contain some partial triangulation).
80  */
81 INLINE bool EggCompositePrimitive::
82 triangulate_into(EggGroupNode *container) const {
83  return do_triangulate(container);
84 }
A base class for any of a number of kinds of geometry primitives: polygons, point lights,...
Definition: eggPrimitive.h:47
The base class for primitives such as triangle strips and triangle fans, which include several compon...
A base class for nodes in the hierarchy that are not leaf nodes.
Definition: eggGroupNode.h:46
get_component
Returns the attributes for the nth component triangle.
The set of attributes that may be applied to vertices as well as polygons, such as surface normal and...
Definition: eggAttributes.h:33
bool triangulate_into(EggGroupNode *container) const
Subdivides the composite primitive into triangles and adds those triangles to the indicated container...
set_component
Changes the attributes for the nth component triangle.