int FindY(CalibrationPoint cp1, CalibrationPoint cp2, int x)
{
//y = ax + b
//b = y - (ax)
float a = (cp2.WebcamY - cp1.WebcamY) / (cp2.WebcamX - cp1.WebcamX);
float b = cp1.WebcamY - a * cp1.WebcamX;
return (int)(a * x + b);
}
int FindX(CalibrationPoint cp1, CalibrationPoint cp2, int y)
{
//y = ax + b
//b = y - (ax)
//x = (y - b) / a
float a = (cp2.WebcamY - cp1.WebcamY) / (cp2.WebcamX - cp1.WebcamX);
float b = cp1.WebcamY - a * cp1.WebcamX;
return (int)((y - b) / a);
}
