1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>NeL: TemplateCTrackKeyFramerBezier< CKeyT, T > class Reference</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.3.6 -->
<div class="qindex"> <form class="search" action="search.php" method="get">
<a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a> | <span class="search"><u>S</u>earch for <input class="search" type="text" name="query" value="" size="20" accesskey="s"/></span></form></div>
<h1>CTrackKeyFramerBezier< CKeyT, T > Class Template Reference</h1><code>#include <<a class="el" href="a06557.html">track_bezier.h</a>></code>
<p>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<h3>template<class CKeyT, class T><br>
class CTrackKeyFramerBezier< CKeyT, T ></h3>
ITrack implementation for Bezier keyframer.<p>
<dl compact><dt><b>Author:</b></dt><dd>Lionel Berneguier <p>
Nevrax France </dd></dl>
<dl compact><dt><b>Date:</b></dt><dd>2001 </dd></dl>
<p>
<p>
Definition at line <a class="el" href="a06557.html#l00049">49</a> of file <a class="el" href="a06557.html">track_bezier.h</a>.<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual const IAnimatedValue & </td><td class="memItemRight" valign=bottom><a class="el" href="a03552.html#CTrackKeyFramerBeziera0">getValue</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">From ITrack. <a href="#CTrackKeyFramerBeziera0"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Protected Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>typedef CKeyT::TValueType </td><td class="memItemRight" valign=bottom><a class="el" href="a03552.html#CTrackKeyFramerBezierx0">TKeyValueType</a></td></tr>
<tr><td colspan=2><br><h2>Protected Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">From ITrackKeyFramer</div></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="a03552.html#CTrackKeyFramerBezierz998_0">compile</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">compile (precalc). <a href="#CTrackKeyFramerBezierz998_0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="a03552.html#CTrackKeyFramerBezierz998_1">evalKey</a> (const CKeyT *previous, const CKeyT *next, TAnimationTime datePrevious, TAnimationTime dateNext, TAnimationTime date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">evalKey (runtime). <a href="#CTrackKeyFramerBezierz998_1"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>CAnimatedValueBlendable< T > </td><td class="memItemRight" valign=bottom><a class="el" href="a03552.html#CTrackKeyFramerBezierr0">_Value</a></td></tr>
</table>
<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="CTrackKeyFramerBezierx0" doxytag="CTrackKeyFramerBezier::TKeyValueType" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> typedef CKeyT::TValueType <a class="el" href="a03552.html">CTrackKeyFramerBezier</a>< CKeyT, T >::<a class="el" href="a03552.html#CTrackKeyFramerBezierx0">TKeyValueType</a><code> [protected]</code>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06557.html#l00061">61</a> of file <a class="el" href="a06557.html">track_bezier.h</a>.
<p>
Referenced by <a class="el" href="a06557.html#l00068">CTrackKeyFramerBezier< CKeyT, T >::evalKey()</a>. </td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="CTrackKeyFramerBezierz998_0" doxytag="CTrackKeyFramerBezier::compile" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> virtual void <a class="el" href="a03552.html">CTrackKeyFramerBezier</a>< CKeyT, T >::compile </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline, protected, virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
compile (precalc).
<p>
<p>
Definition at line <a class="el" href="a06557.html#l00108">108</a> of file <a class="el" href="a06557.html">track_bezier.h</a>.
<p>
<div class="fragment"><pre>00109 {
00110 ITrackKeyFramer<CKeyT>::compile();
00111
00112 <span class="comment">// Nothing else to do!! Tangents are given from user.</span>
00113 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerBezierz998_1" doxytag="CTrackKeyFramerBezier::evalKey" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> virtual void <a class="el" href="a03552.html">CTrackKeyFramerBezier</a>< CKeyT, T >::evalKey </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const CKeyT * </td>
<td class="mdname" nowrap> <em>previous</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>const CKeyT * </td>
<td class="mdname" nowrap> <em>next</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>TAnimationTime </td>
<td class="mdname" nowrap> <em>datePrevious</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>TAnimationTime </td>
<td class="mdname" nowrap> <em>dateNext</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>TAnimationTime </td>
<td class="mdname" nowrap> <em>date</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, protected, virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
evalKey (runtime).
<p>
<p>
Definition at line <a class="el" href="a06557.html#l00068">68</a> of file <a class="el" href="a06557.html">track_bezier.h</a>.
<p>
References <a class="el" href="a05587.html#l00115">NLMISC::clamp()</a>, <a class="el" href="a05646.html#l00977">s</a>, and <a class="el" href="a06557.html#l00061">CTrackKeyFramerBezier< CKeyT, T >::TKeyValueType</a>.
<p>
<div class="fragment"><pre>00071 {
00072 <span class="keywordflow">if</span>(previous && next && !previous->Step)
00073 {
00074 <span class="comment">// lerp from previous to cur.</span>
00075 date-= datePrevious;
00076 date*= previous->OODeltaTime;
00077 <a class="code" href="a05378.html#a374">NLMISC::clamp</a>(date, 0,1);
00078
00079 <span class="comment">// Bezier interpolation.</span>
00080 <span class="keywordtype">float</span> <a class="code" href="a04223.html#a626">s</a>= date;
00081 <span class="keywordtype">float</span> s2 = <a class="code" href="a04223.html#a626">s</a> * <a class="code" href="a04223.html#a626">s</a>;
00082 <span class="keywordtype">float</span> s3 = s2 * <a class="code" href="a04223.html#a626">s</a>;
00083 <span class="keywordtype">float</span> u = 1.0f - <a class="code" href="a04223.html#a626">s</a>;
00084 <span class="keywordtype">float</span> u2 = u * u;
00085 <span class="keywordtype">float</span> u3 = u2 * u;
00086
00087 <span class="comment">// compute Bezier control points from tangents.</span>
00088 <a class="code" href="a03552.html#CTrackKeyFramerBezierx0">TKeyValueType</a> cp0, cp1;
00089
00090 <span class="comment">// NB: loop case: dateNext is always > datePrevious....</span>
00091 cp0 = previous->Value + previous->OutTan * (dateNext-datePrevious) / 3.0f;
00092 cp1 = next->Value + next->InTan * (dateNext-datePrevious) / 3.0f;
00093
00094 <a class="code" href="a05363.html#a540">copyToValue</a>(<a class="code" href="a03552.html#CTrackKeyFramerBezierr0">_Value</a>.Value, previous->Value*u3 + cp0*3.0f*u2*s
00095 + cp1*3.0f*u*s2 + next->Value*s3);
00096 }
00097 <span class="keywordflow">else</span>
00098 {
00099 <span class="keywordflow">if</span> (previous)
00100 <a class="code" href="a05363.html#a540">copyToValue</a>(<a class="code" href="a03552.html#CTrackKeyFramerBezierr0">_Value</a>.Value, previous->Value);
00101 <span class="keywordflow">else</span>
00102 <span class="keywordflow">if</span> (next)
00103 <a class="code" href="a05363.html#a540">copyToValue</a>(<a class="code" href="a03552.html#CTrackKeyFramerBezierr0">_Value</a>.Value, next->Value);
00104 }
00105 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="CTrackKeyFramerBeziera0" doxytag="CTrackKeyFramerBezier::getValue" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> virtual const IAnimatedValue& <a class="el" href="a03552.html">CTrackKeyFramerBezier</a>< CKeyT, T >::getValue </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
From ITrack.
<p>
<p>
Definition at line <a class="el" href="a06557.html#l00054">54</a> of file <a class="el" href="a06557.html">track_bezier.h</a>.
<p>
<div class="fragment"><pre>00055 {
00056 <span class="keywordflow">return</span> <a class="code" href="a03552.html#CTrackKeyFramerBezierr0">_Value</a>;
00057 }
</pre></div> </td>
</tr>
</table>
<hr><h2>Field Documentation</h2>
<a class="anchor" name="CTrackKeyFramerBezierr0" doxytag="CTrackKeyFramerBezier::_Value" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class CKeyT, class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> CAnimatedValueBlendable<T> <a class="el" href="a03552.html">CTrackKeyFramerBezier</a>< CKeyT, T >::<a class="el" href="a03552.html#CTrackKeyFramerBezierr0">_Value</a><code> [private]</code>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06557.html#l00118">118</a> of file <a class="el" href="a06557.html">track_bezier.h</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="a06557.html">track_bezier.h</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 06:43:54 2004 for NeL by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 >
</a>1.3.6 </small></address>
</body>
</html>
|
