Chủ nhiệm Bộ môn Ngô Hữu Phúc ĐỀ CƯƠng chi tiết bài giảNG
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- Điều hướng trang này:
- //load the tile bitmap tiles = load bitmap("tiles.bmp", NULL); //now draw tiles randomly on virtual background
- //pick a random tile n = rand() % TILES; //draw the tile drawframe(tiles, scroll, tilex, tiley, TILEW+1, TILEH+1
- 8.5 Creating a Tile Map
| BITMAP *tiles;
//virtual background buffer BITMAP *scroll; //position variables int x=0, y=0, n; int tilex, tiley; void drawframe(BITMAP *source, BITMAP *dest, int x, int y, int width, int height, int startx, int starty, int columns, int frame) { //calculate frame position int framex = startx + (frame % columns) * width; int framey = starty + (frame / columns) * height; //draw frame to destination bitmap masked blit(source,dest,framex,framey,x,y,width,height); } //main function int main(void) { //initialize allegro allegro init(); install keyboard(); install timer(); srand(time(NULL)); set color depth(16); set gfx mode(MODE, WIDTH, HEIGHT, 0, 0); //create the virtual background scroll = create bitmap(1600, 1200); Introduction to Tile-Based Backgrounds 443 //load the tile bitmap tiles = load bitmap("tiles.bmp", NULL); //now draw tiles randomly on virtual background for (tiley=0; tiley < scroll->h; tiley+=TILEH) { for (tilex=0; tilex < scroll->w; tilex+=TILEW) { //pick a random tile n = rand() % TILES; //draw the tile drawframe(tiles, scroll, tilex, tiley, TILEW+1, TILEH+1, 0, 0, COLS, n); } } //main loop while (!key[KEY ESC]) { //check right arrow if (key[KEY RIGHT]) { x += STEP; if (x > scroll->w - WIDTH) x = scroll->w - WIDTH; } //check left arrow if (key[KEY LEFT]) { x -= STEP; if (x < 0) x = 0; } //check down arrow if (key[KEY DOWN]) { y += STEP; if (y > scroll->h - HEIGHT) y = scroll->h - HEIGHT; } //check up arrow if (key[KEY UP]) { y -= STEP; if (y < 0) y = 0; } //draw the scroll window portion of the virtual buffer blit(scroll, screen, x, y, 0, 0, WIDTH-1, HEIGHT-1); //slow it down rest(20); } destroy bitmap(scroll); destroy bitmap(tiles); return 0; } END OF MAIN() 8.5 Creating a Tile Map int map[MAPW*MAPH] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, }; 
Figure 8.5 A legend of the tiles and their reference numbers used to create a map in the GameWorld program. 
Figure 8.5 The GameWorld program scrolls a map that was defined in the map array.
//now draw tiles randomly on virtual background for (tiley=0; tiley < scroll->h; tiley+=TILEH) { for (tilex=0; tilex < scroll->w; tilex+=TILEW) { //draw the tile drawframe(tiles, scroll, tilex, tiley, TILEW+1, TILEH+1, 0, 0, COLS, map[n++]); } } - Yêu cầu SV chuẩn bị: Đọc chương 12,13,14,15,16 tài liệu [1] Đọc các phần tương ứng trong tài liệu [5]. Chú ý nghe giảng. Tích cực tham gia phát biểu ý kiến Каталог: files -> FileMonHoc FileMonHoc -> NGÂn hàng câu hỏi lập trình cơ BẢn nhóm câu hỏI 2 ĐIỂM FileMonHoc -> CHƯƠng 2 giới thiệu về LÝ thuyết số FileMonHoc -> CÁc hệ MẬt khoá CÔng khai kháC FileMonHoc -> BỘ MÔn duyệt chủ nhiệm Bộ môn FileMonHoc -> Khoa công nghệ thông tin cộng hòa xã HỘi chủ nghĩa việt nam FileMonHoc -> Chủ nhiệm Bộ môn Ngô Thành Long ĐỀ CƯƠng chi tiết bài giảNG FileMonHoc -> Chủ nhiệm Bộ môn Phan Nguyên Hải ĐỀ CƯƠng chi tiết bài giảNG FileMonHoc -> Khoa: CÔng nghệ thông tin cộng hòa xã HỘi chủ nghĩa việt nam FileMonHoc -> MẬt mã khóA ĐỐi xứng lý thuyết cơ bản của Shannon FileMonHoc -> Khoa công nghệ thông tin bài giảng LẬp trình cơ BẢn biên soạn tải về 3.11 Mb. Chia sẻ với bạn bè của bạn:
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