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comparison examples/tank/tank_main.c @ 157:5cd12609a5c7

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Make sure bullet is fired with positive shift length.
author Thinker K.F. Li <thinker@branda.to>
date Wed, 01 Oct 2008 16:30:05 +0800
parents 2aad042b30a4
children b90abd31a281
comparison
equal deleted inserted replaced
156:2aad042b30a4 157:5cd12609a5c7
422 tman = X_MB_tman(xmb_rt); 422 tman = X_MB_tman(xmb_rt);
423 423
424 dir = tank->direction; 424 dir = tank->direction;
425 map_x = tank->map_x + map_xy_adj[dir][0]; 425 map_x = tank->map_x + map_xy_adj[dir][0];
426 map_y = tank->map_y + map_xy_adj[dir][1]; 426 map_y = tank->map_y + map_xy_adj[dir][1];
427 tank->bullet = tank_bullet_new(rdman, map_x, map_y, dir);
428 bullet = tank->bullet;
429 bullet->tman = tman;
430
431 switch(dir) { 427 switch(dir) {
432 case TD_UP: 428 case TD_UP:
433 shift_len = map_y + 1; 429 shift_len = map_y + 1;
434 shift_x = 0; 430 shift_x = 0;
435 shift_y = -shift_len * 50; 431 shift_y = -shift_len * 50;
448 shift_len = map_x + 1; 444 shift_len = map_x + 1;
449 shift_x = -shift_len * 50; 445 shift_x = -shift_len * 50;
450 shift_y = 0; 446 shift_y = 0;
451 break; 447 break;
452 } 448 }
449
450 if(shift_len <= 0)
451 return;
452
453 tank->bullet = tank_bullet_new(rdman, map_x, map_y, dir);
454 bullet = tank->bullet;
455 bullet->tman = tman;
453 456
454 progm = mb_progm_new(2, rdman); 457 progm = mb_progm_new(2, rdman);
455 MB_TIMEVAL_SET(&start, 0, 0); 458 MB_TIMEVAL_SET(&start, 0, 0);
456 MB_TIMEVAL_SET(&playing, shift_len / 4, (shift_len % 4) * 250000); 459 MB_TIMEVAL_SET(&playing, shift_len / 4, (shift_len % 4) * 250000);
457 word = mb_progm_next_word(progm, &start, &playing); 460 word = mb_progm_next_word(progm, &start, &playing);