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GUI: improve chan osc wave centering

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This commit is contained in:
tildearrow 2023-09-04 01:18:48 -05:00
parent 7a78ec1b60
commit ab7b26a2e7
3 changed files with 90 additions and 4 deletions
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8
src/gui/chanOsc.cpp
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@ -533,9 +533,9 @@ void FurnaceGUI::drawChanOsc() {
double dft[2];
dft[0]=0.0;
dft[1]=0.0;
for (int j=0; j<waveLen; j++) {
double one=((double)buf->data[(unsigned short)(needlePos-((int)waveLen)+j)&0xffff]/32768.0);
double two=(double)j*(-2.0*M_PI)/waveLen;
for (int j=needlePos-1-((displaySize+(int)waveLen)>>1), k=0; k<waveLen; j++, k++) {
double one=((double)buf->data[j&0xffff]/32768.0);
double two=(double)k*(-2.0*M_PI)/waveLen;
dft[0]+=one*cos(two);
dft[1]+=one*sin(two);
}
@ -545,7 +545,7 @@ void FurnaceGUI::drawChanOsc() {
if (chanOscWaveCorr) {
needlePos-=phase*waveLen;
needlePos-=(2*waveLen-fmod(displaySize,waveLen*2))*0.5;
//needlePos-=(2*waveLen-fmod(displaySize,waveLen*2))*0.5;
}
}
}