waves.h

00001 int waves_time;
00002 char ledtable_waves [16] [32];
00003 char waves_val_one;
00004 char waves_val_two;
00005 
00006 /*************************************************************************
00007 Function Headers
00008 **************************************************************************/
00009 void waves_init(void);
00010 void waves_update(void);
00011 
00012 void waves_init(void){
00013     waves_time = tabletimer.read_ms();
00014     waves_val_one = 3;
00015     waves_val_two = 11;
00016     
00017 }
00018 
00019 void waves_update(void){
00020     int waves_move_one;
00021     int waves_move_two;
00022     
00023     if((tabletimer.read_ms() - waves_time)>waves_update_time){
00024         // Update the matrix mapping
00025         
00026         // Shift values right
00027         for(int col = 31; col >0; col--){
00028             ledtable_waves[0][col] = ledtable[0][col-1];
00029             ledtable_waves[1][col] = ledtable[1][col-1];
00030             ledtable_waves[2][col] = ledtable[2][col-1];
00031             ledtable_waves[3][col] = ledtable[3][col-1];
00032             ledtable_waves[4][col] = ledtable[4][col-1];
00033             ledtable_waves[5][col] = ledtable[5][col-1];
00034             ledtable_waves[6][col] = ledtable[6][col-1];
00035             ledtable_waves[7][col] = ledtable[7][col-1];
00036             ledtable_waves[8][col] = ledtable[8][col-1];
00037             ledtable_waves[9][col] = ledtable[9][col-1];
00038             ledtable_waves[10][col] = ledtable[10][col-1];
00039             ledtable_waves[11][col] = ledtable[11][col-1];
00040             ledtable_waves[12][col] = ledtable[12][col-1];
00041             ledtable_waves[13][col] = ledtable[13][col-1];
00042             ledtable_waves[14][col] = ledtable[14][col-1];
00043             ledtable_waves[15][col] = ledtable[15][col-1]; 
00044         }
00045         // Update First Wave
00046         if(waves_val_one == 7){
00047             waves_move_one = rand()%2;
00048         }
00049         else if(waves_val_one == 0){
00050             waves_move_one = (rand()%2)+1;
00051         }
00052         else{   
00053             waves_move_one = rand()%3;
00054         }
00055         
00056         switch(waves_move_one){
00057             case 0:
00058                 // Move waves down
00059                 waves_val_one -= 1;
00060                 break;
00061             case 1:
00062                 // Keep waves the same
00063                 break;
00064             case 2:
00065                 // Move waves up
00066                 waves_val_one += 1;
00067             default:
00068                 break;
00069         } 
00070         
00071         
00072         // Update Second waves
00073         if(waves_val_two == 15){
00074             waves_move_two = rand()%2;
00075         }
00076         else if(waves_val_two == 8){
00077             waves_move_two = (rand()%2)+1;
00078         }
00079         else{   
00080             waves_move_two = rand()%3;
00081         }
00082         
00083         switch(waves_move_two){
00084             case 0:
00085                 // Move waves down
00086                 waves_val_two -= 1;
00087                 break;
00088             case 1:
00089                 // Keep waves the same
00090                 break;
00091             case 2:
00092                 // Move waves up
00093                 waves_val_two += 1;
00094             default:
00095                 break;
00096         } 
00097         
00098         for(int waves = 0; waves < 8; waves ++){
00099             if(waves < waves_val_one){
00100                 ledtable_waves[waves][0] = 60;
00101             }
00102             else{
00103                 ledtable_waves[waves][0] = 0;
00104             }
00105         }
00106         
00107         for(int waves = 8; waves <16 ; waves ++){
00108             if(waves > waves_val_two){
00109                 ledtable_waves[waves][0] = 60;
00110             }
00111             else{
00112                 ledtable_waves[waves][0] = 0;
00113             }
00114         }
00115         
00116         // Update table
00117         for(int i = 0; i <16; i++){
00118             for(int j = 0; j <32; j++){
00119                 ledtable[i][j] = ledtable_waves[i][j];
00120             }
00121         }
00122         waves_time = tabletimer.read_ms();
00123     }
00124 }