Sonquencer/C/players.cpp

void playPattern(int *timer, int duration, int *step) {
  *timer = *timer >= duration ? 0 : *timer+1;
  usleep(1000);

  if(*timer == 0) {
    for(int i=0; i<matrix[0]; i++) {
      if(pattern[i][*step-1] == 1) {
        Mix_PlayChannel(-1, samples[i], 0);
      }
    }
    *step = *step < matrix[1] ? *step+1 : 1;
  }
}

void setSample(int sample, int step) {
  pattern[sample-1][step-1] = 1;
  for(int i=0; i<matrix[0]; i++) {
    for(int y=0; y<matrix[1]; y++) {
      printf("%d ", pattern[i][y]);
    }
    printf("\n");
  }
}