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
|
#include "morphmesh.h"
morphmesh::morphmesh()
{
loaded=false;
}
morphmesh::morphmesh(string filename)
{
morphmesh();
loadMesh(filename);
}
morphmesh::~morphmesh()
{
//dtor
}
int morphmesh::getNumTargets(){
return morphs.size();
}
void morphmesh::draw() {
draw(0);
}
void morphmesh::draw(int target){
clearVertices();
addVertices(morphs[target]);
ofMesh::draw();
}
void morphmesh::draw(const vector<int>& targets, const vector<float>& weights){
clearVertices();
//normalise weights
int targetsNum=min(targets.size(),morphs.size());
float totalWeights=0;
for (int i=0;i<targetsNum;i++) totalWeights+=weights[i];
float weightFactor=1.0/totalWeights;
float bx,by,bz;
for (int j=0;j<morphs[0].size();j++) {
bx=by=bz=0;
for (int i=0;i<targetsNum;i++) {
bx+=morphs[targets[i]][j].x*weights[i];
by+=morphs[targets[i]][j].y*weights[i];
bz+=morphs[targets[i]][j].z*weights[i];
}
addVertex(ofVec3f(bx*weightFactor,by*weightFactor,bz*weightFactor));
}
ofMesh::draw();
}
bool morphmesh::loadMesh(string filename){
loaded=false;
ofxXmlSettings XML;
if( !XML.loadFile(filename) ){
printf("unable to load %s check data/ folder\n",filename.c_str());
}else{
if(XML.pushTag("Oak3DModelDocument")) {
if(XML.pushTag("MeshList")) {
int numMeshes=XML.getNumTags("Mesh");
for (int i=0;i<numMeshes;i++) {
XML.pushTag("Mesh",i);
if (XML.pushTag("AttributeList")) {
vector<ofVec3f> verts;
string vertstring=XML.getAttribute("Attribute","Data","none",0);
stringstream ss(vertstring);
istream_iterator<string> begin(ss);
istream_iterator<string> end;
vector<string> vstrings(begin, end);
for (int j=0;j<vstrings.size();j+=3) {
verts.push_back(ofVec3f(ofToFloat(vstrings[j]),ofToFloat(vstrings[j+1]),ofToFloat(vstrings[j+2])));
}
morphs.push_back(verts);
if (i==0) {
addVertices(verts);
vector<ofVec3f> norms;
string normstring=XML.getAttribute("Attribute","Data","none",1);
stringstream ns(normstring);
istream_iterator<string> nbegin(ns);
istream_iterator<string> nend;
vector<string> nstrings(nbegin, nend);
for (int j=0;j<nstrings.size();j+=3) {
norms.push_back(ofVec3f(ofToFloat(nstrings[j]),ofToFloat(nstrings[j+1]),ofToFloat(nstrings[j+2])));
}
addNormals(norms);
vector<ofVec2f> texcords;
string texstring=XML.getAttribute("Attribute","Data","none",2);
stringstream ts(texstring);
istream_iterator<string> tbegin(ts);
istream_iterator<string> tend;
vector<string> tstrings(tbegin, tend);
for (int j=0;j<tstrings.size();j+=2) {
texcords.push_back(ofVec2f(ofToFloat(tstrings[j]),ofToFloat(tstrings[j+1])));
}
addTexCoords(texcords);
XML.popTag();
if (XML.pushTag("IndexList")) {
vector<ofIndexType> faces;
string facestring=XML.getAttribute("Index","Data","none",0);
stringstream fs(facestring);
istream_iterator<string> fbegin(fs);
istream_iterator<string> fend;
vector<string> fstrings(fbegin, fend);
for (int j=0;j<fstrings.size();j+=3) {
faces.push_back(ofIndexType(ofToInt(fstrings[j])));
faces.push_back(ofIndexType(ofToInt(fstrings[j+1])));
faces.push_back(ofIndexType(ofToInt(fstrings[j+2])));
}
addIndices(faces);
loaded=true;
XML.popTag();
}
}
else XML.popTag();
}
XML.popTag();
}
}
XML.popTag();
}
XML.popTag();
}
return loaded;
}
bool morphmesh::isLoaded()
{
return loaded;
}
|
