Ejemplo n.º 1
0
int Heartbeat::value(unsigned long time)
{
    fadeAmplitude(time);    
    
    float portion = adjustTime(time)/((float) _period) * N_ECG; // normalize the proportion to 2PI
    return (int)(ECG[(int)portion] * (_amplitude/255.0));
}
Ejemplo n.º 2
0
int SineWave::value(unsigned long time)
{
    fadeAmplitude(time);
    
    float portion = adjustTime(time)/((float) _period) * 2 * M_PI; // normalize the proportion to 2PI
    return (int) ((sin(portion) + 1) * _amplitude) / 2;
}
Ejemplo n.º 3
0
//--------------------------------------------------------------------------
// Update
//--------------------------------------------------------------------------
void CameraShake::update( F32 dt )
{
   Parent::update( dt );

   fadeAmplitude();

   VectorF camOffset;
   camOffset.x = mAmp.x * sin( M_2PI * (mTimeOffset.x + mElapsedTime) * mFreq.x );
   camOffset.y = mAmp.y * sin( M_2PI * (mTimeOffset.y + mElapsedTime) * mFreq.y );
   camOffset.z = mAmp.z * sin( M_2PI * (mTimeOffset.z + mElapsedTime) * mFreq.z );

   VectorF rotAngles;
   rotAngles.x = camOffset.x * 10.0 * M_PI/180.0;
   rotAngles.y = camOffset.y * 10.0 * M_PI/180.0;
   rotAngles.z = camOffset.z * 10.0 * M_PI/180.0;
   MatrixF rotMatrix( EulerF( rotAngles.x, rotAngles.y, rotAngles.z ) );

   mCamFXTrans = rotMatrix;
   mCamFXTrans.setPosition( camOffset );
}