diff options
Diffstat (limited to 'synth/main.cpp')
| -rw-r--r-- | synth/main.cpp | 71 |
1 files changed, 59 insertions, 12 deletions
diff --git a/synth/main.cpp b/synth/main.cpp index 32b2b84..f9f1e57 100644 --- a/synth/main.cpp +++ b/synth/main.cpp @@ -96,22 +96,69 @@ int main(int argc, char** argv) load_program(programfile[i],program_settings[i]); } + fixed_t* temp=new fixed_t[WAVE_RES]; + for (i=0;i<WAVE_RES;i++) + temp[i]=0; + for (i=0;i<N_WAVEFORMS;++i) + wave[i]=temp; + + for (i=0;i<N_NORMAL_WAVEFORMS;i++) + wave[i]=new fixed_t[WAVE_RES]; + + for (i=WAVE_SAW_START; i<WAVE_SAW_START+WAVE_SAW_N; i++) wave[i]=new fixed_t[WAVE_RES]; + + for (i=WAVE_PULSE_START; i<WAVE_PULSE_START+WAVE_PULSE_N; i++) + wave[i]=new fixed_t[WAVE_RES]; + + for (i=0;i<WAVE_RES;++i) //init the "normal" waves + { + fixed_t temp1, temp2; + temp1=ONE*sin(i*2.0*3.141592654/WAVE_RES); + temp2=ONE*sin(i*3.141592654/WAVE_RES); + wave[0][i]=temp1; + wave[1][i]=temp2; + wave[2][i]= (i<=WAVE_RES/2) ? temp1 : 0; + wave[3][i]= (i<=WAVE_RES/2) ? temp2 : 0; + wave[4][i]= (i<=WAVE_RES/2) ? 0 : temp2; + wave[5][i]=float(rand() - RAND_MAX/2) / (RAND_MAX/2) *ONE; + } + + for (int j=WAVE_SAW_START; j<WAVE_SAW_START+WAVE_SAW_N; j++) //init the saws + { + float rising, falling; + falling=(float) (j-WAVE_SAW_START)/(WAVE_SAW_N-1); + rising=1.0-falling; + + int a,b,c; + a=WAVE_RES*(rising/2); + b=WAVE_RES*(rising/2 + falling); + c=WAVE_RES*falling; + + for (i=0;i<a;i++) + wave[j][i]=ONE * i/a; - for (i=0;i<WAVE_RES;++i) + for (i=a;i<b;i++) + wave[j][i]=ONE - 2*ONE * (i-a)/c; + + for (i=b;i<WAVE_RES;i++) + wave[j][i]=ONE * (i-b)/a - ONE; + } + + for (int j=WAVE_PULSE_START; j<WAVE_PULSE_START+WAVE_PULSE_N; j++) //init the pulses { - float temp1, temp2; - temp1=sin(i*2.0*3.141592654/WAVE_RES); - temp2=sin(i*3.141592654/WAVE_RES); - wave[0][i]=temp1*ONE; - wave[1][i]=temp2*ONE; - wave[2][i]=(i<=WAVE_RES/2) ? wave[0][i] : 0; - wave[3][i]= (i<=WAVE_RES/2) ? wave[1][i] : 0; - wave[4][i]=(i<WAVE_RES/2) ? ONE : -ONE; - wave[5][i]=(i<=WAVE_RES/2) ? (ONE*2*i/WAVE_RES) : (ONE*2*i/WAVE_RES - 2*ONE); - wave[6][i]=(i<=WAVE_RES/2) ? (ONE*2*i/WAVE_RES) : (ONE*2*(WAVE_RES-i)/WAVE_RES); - wave[7][i]=float(rand() - RAND_MAX/2) / (RAND_MAX/2) *ONE; + float high, low; + high=(float) (j-WAVE_PULSE_START)/(WAVE_PULSE_N-1); + low=1.0-high; + + int a=WAVE_RES*high; + + for (i=0;i<a;i++) + wave[j][i]=ONE; + + for (i=a;i<WAVE_RES;i++) + wave[j][i]=-ONE; } for (int i=0;i<N_CHANNELS;++i) |