void fCurve::keyModified(sInt i)
{
if (i==0)
m_firstFrame=m_keys[i].frame;
else if (i==getNKeys()-1)
m_lastFrame=m_keys[i].frame;
if (m_type==constant && i>=getNKeys()-2)
m_keys[getNKeys()-1].value=m_keys[getNKeys()-2].value;
}
void NormalInterpolatorNode::update()
{
int n;
float fraction = getFraction();
int index = -1;
int nKey = getNKeys();
for (n=0; n<(nKey-1); n++) {
if (getKey(n) <= fraction && fraction <= getKey(n+1)) {
index = n;
break;
}
}
if (index == -1)
return;
float scale = (fraction - getKey(index)) / (getKey(index+1) - getKey(index));
float vector1[3];
float vector2[3];
float vectorOut[3];
getKeyValue(index, vector1);
getKeyValue(index+1, vector2);
for (n=0; n<3; n++)
vectorOut[n] = vector1[n] + (vector2[n] - vector1[n])*scale;
setValue(vectorOut);
sendEvent(getValueField());
}
void fCurve::convertToBezier(cubicBezierCurve2D& t) const
{
if (getNKeys()>1)
{
t.resize(getNKeys()-1);
cubicBezierSegment2D *seg = t.segment;
for (keyVectorCIt it = m_keys.begin(); (it + 1) != m_keys.end(); ++it)
{
const sF32 v0 = it->value, v1 = (m_type != constant) ? (it + 1)->value : it->value;
const sInt f0 = it->frame, f1 = (it + 1) -> frame;
sF32 dd0, ds1;
calcTangents(it, dd0, ds1);
seg->A=vector2(f0, v0);
seg->B=vector2((2.0f * f0 + f1) / 3.0f, v0 + dd0 / 3.0f);
seg->C=vector2((f0 + 2.0f * f1) / 3.0f, v1 - ds1 / 3.0f);
seg->D=vector2(f1, v1);
seg++;
}
}
}
void NormalInterpolatorNode::outputContext(ostream &printStream, const char *indentString)
{
if (0 < getNKeys()) {
MFFloat *key = getKeyField();
printStream << indentString << "\tkey [" << endl;
key->MField::outputContext(printStream, indentString, "\t\t");
printStream << indentString << "\t]" << endl;
}
if (0 < getNKeyValues()) {
MFVec3f *keyValue = getKeyValueField();
printStream << indentString << "\tkeyValue [" << endl;
keyValue->MField::outputContext(printStream, indentString, "\t\t");
printStream << indentString << "\t]" << endl;
}
}
