float AHAI::predictPositionX(float Y)
{
double dX;
CLine cLine(pPuckPosition.x, pPuckPosition.y, pPuckPosition.x + vPuckVelocity.x, pPuckPosition.y + vPuckVelocity.y);
if(!cLine.can_calculate_x())
return pMyPosition.x;
dX = cLine.x(Y);
// check for bounce
int iBounces = 0;
while(dX < -(AH_TABLE_WIDTH / 2))
{
++iBounces;
dX += AH_TABLE_WIDTH;
}
while(dX > (AH_TABLE_WIDTH / 2))
{
++iBounces;
dX -= AH_TABLE_WIDTH;
}
// check if the number of bounces is odd
if(iBounces % 2 == 1)
dX = -dX;
return (float)dX;
}
void MCMIDIReceiver::message(unsigned char Byte0, unsigned char Byte1, unsigned char Byte2)
{
unsigned char iMIDIChannel = Byte0 & 0x0F;
Byte0 = Byte0 & 0xF0;
if(!bMIDIChannel[iMIDIChannel])
return;
// NOTE ON
if(Byte0 == 0x90)
{
unsigned char iPitch = Byte1;
if(iPitch < iMinPitch || iPitch > iMaxPitch)
return;
unsigned char iVelocity = Byte2;
// note on with velocity 0 --> note off
if(iVelocity == 0)
{
mInstrument->release(iAttachedChannel[iPitch - iMinPitch]);
return;
}
mNote.Pitch = iPitch;
mNote.Channel = iAttachedChannel[iPitch - iMinPitch];
mNote.Intensity = iVelocity;
mNote.Mode = iMode;
mNote.Duration = 0;
mInstrument->playNote(mNote);
}
// NOTE OFF
else if(Byte0 == 0x80)
{
unsigned char iPitch = Byte1;
mInstrument->release(iAttachedChannel[iPitch - iMinPitch]);
}
// CONTROL
else if(Byte0 == 0xB0)
{
// damper
if(Byte1 == 0x40)
mInstrument->setDamper(Byte2 >= 64);
}
// PITCH WHEEL
else if(Byte0 == 0xE0)
{
unsigned int iCents = 0;
CLine cLine(0, -200, 16383, 200);
if(cLine.can_calculate_y())
iCents = (unsigned int)cLine.y(Byte1 + (Byte2 << 7));
for(unsigned int i = 0; i < mInstrument->getNumberOfChannels(); i++)
mInstrument->bend(i, iCents);
}
}
cLine cGraphicsMFC::pixelToSightLine(int xpix, int ypix)
{ /* This is a line that runs from the viewer's eye to the direction matching the pixel point. */
cVector planepoint = pixelToVector(xpix, ypix, 0.0);
return cLine(planepoint, -cVector::ZAXIS); //Second arg should be a unit vector.
}
