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parametricCurveCollection.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 parametricCurveCollection.I
10 * @author drose
11 * @date 2001-03-04
12 */
13
14/**
15 *
16 */
17INLINE ParametricCurveCollection::
18~ParametricCurveCollection() {
19}
20
21/**
22 * Returns the number of ParametricCurves in the collection.
23 */
24INLINE int ParametricCurveCollection::
25 get_num_curves() const {
26 return _curves.size();
27}
28
29/**
30 * Returns the nth ParametricCurve in the collection.
31 */
32INLINE ParametricCurve *ParametricCurveCollection::
33 get_curve(int index) const {
34 nassertr(index >= 0 && index < (int)_curves.size(), nullptr);
35
36 return _curves[index];
37}
38
39/**
40 * Adds a new ParametricCurve to the collection at the indicated index.
41 * @deprecated Use insert_curve(index, curve) instead.
42 */
43INLINE void ParametricCurveCollection::
44 add_curve(ParametricCurve *curve, int index) {
45 insert_curve((std::max)(index, 0), curve);
46}
47
48/**
49 * Returns the maximum T value associated with the *last* curve in the
50 * collection. Normally, this will be either the XYZ or HPR curve, or a
51 * timewarp curve.
52 */
53INLINE PN_stdfloat ParametricCurveCollection::
54 get_max_t() const {
55 if (_curves.empty()) {
56 return 0.0f;
57 }
58 return _curves.back()->get_max_t();
59}
60
61/**
62 * Computes only the XYZ part of the curves. See evaluate().
63 */
64INLINE bool ParametricCurveCollection::
65 evaluate_xyz(PN_stdfloat t, LVecBase3 &xyz) const {
66 LVecBase3 hpr;
67 return evaluate(t, xyz, hpr);
68}
69
70/**
71 * Computes only the HPR part of the curves. See evaluate().
72 */
73INLINE bool ParametricCurveCollection::
74 evaluate_hpr(PN_stdfloat t, LVecBase3 &hpr) const {
75 LVecBase3 xyz;
76 return evaluate(t, xyz, hpr);
77}
78
79/**
80 * Adjust the XYZ curve at the indicated time to the new value. The curve
81 * shape will change correspondingly. Returns true if successful, false if
82 * unable to make the adjustment for some reason.
83 */
84INLINE bool ParametricCurveCollection::
85 adjust_xyz(PN_stdfloat t, PN_stdfloat x, PN_stdfloat y, PN_stdfloat z) {
86 return adjust_xyz(t, LVecBase3(x, y, z));
87}
88
89/**
90 * Adjust the HPR curve at the indicated time to the new value. The curve
91 * shape will change correspondingly. Returns true if successful, false if
92 * unable to make the adjustment for some reason.
93 */
94INLINE bool ParametricCurveCollection::
95 adjust_hpr(PN_stdfloat t, PN_stdfloat h, PN_stdfloat p, PN_stdfloat r) {
96 return adjust_hpr(t, LVecBase3(h, p, r));
97}
ParametricCurveCollection::insert_curve
void insert_curve(size_t index, ParametricCurve *curve)
Adds a new ParametricCurve to the collection at the indicated index.
Definition parametricCurveCollection.cxx:45
ParametricCurveCollection::adjust_xyz
bool adjust_xyz(PN_stdfloat t, PN_stdfloat x, PN_stdfloat y, PN_stdfloat z)
Adjust the XYZ curve at the indicated time to the new value.
Definition parametricCurveCollection.I:85
ParametricCurveCollection::evaluate_xyz
bool evaluate_xyz(PN_stdfloat t, LVecBase3 &xyz) const
Computes only the XYZ part of the curves.
Definition parametricCurveCollection.I:65
ParametricCurveCollection::get_curve
get_curve
Returns the nth ParametricCurve in the collection.
Definition parametricCurveCollection.h:55
ParametricCurveCollection::add_curve
void add_curve(ParametricCurve *curve)
Adds a new ParametricCurve to the collection.
Definition parametricCurveCollection.cxx:35
ParametricCurveCollection::adjust_hpr
bool adjust_hpr(PN_stdfloat t, PN_stdfloat h, PN_stdfloat p, PN_stdfloat r)
Adjust the HPR curve at the indicated time to the new value.
Definition parametricCurveCollection.I:95
ParametricCurveCollection::evaluate_hpr
bool evaluate_hpr(PN_stdfloat t, LVecBase3 &hpr) const
Computes only the HPR part of the curves.
Definition parametricCurveCollection.I:74
ParametricCurveCollection::get_num_curves
get_num_curves
Returns the number of ParametricCurves in the collection.
Definition parametricCurveCollection.h:55
ParametricCurveCollection::evaluate
bool evaluate(PN_stdfloat t, LVecBase3 &xyz, LVecBase3 &hpr) const
Computes the position and rotation represented by the first XYZ and HPR curves in the collection at t...
Definition parametricCurveCollection.cxx:452
ParametricCurveCollection::get_max_t
get_max_t
Returns the maximum T value associated with the *last* curve in the collection.
Definition parametricCurveCollection.h:71
ParametricCurve
A virtual base class for parametric curves.
Definition parametricCurve.h:56