想要一些文字在游戏中消除自己的自我
Want some text to erase its self in game
好的，所以只是想知道一个技巧来解决这个问题。
因此，我希望文本"窗口将在10秒内关闭"，以每次通过循环并替换为下一个数字时删除。但是我现在得到的只是重叠。
我只希望它计算下来并显示。
//FILE: Main.cpp
//PROGR: Hank Bates
//PURPOSE: To display text on screen for 10 seconds.
//EXTRA ADD ON FILES: Slendermanswriting.ttf
// PrometheusSiren.wav
#include <allegro5allegro.h>
#include <allegro5allegro_font.h>
#include <allegro5allegro_ttf.h>
#include <allegro5allegro_native_dialog.h>
#include <allegro5allegro_audio.h>
#include <allegro5allegro_acodec.h>
int main(void)
{
//summon the fonts and stuff
ALLEGRO_DISPLAY *display = NULL;
ALLEGRO_FONT *font50;
ALLEGRO_FONT *font36;
ALLEGRO_FONT *font18;
ALLEGRO_SAMPLE *song;
int a = 100;
if (!al_init())
{
al_show_native_message_box(NULL, NULL, NULL,
"failed to initialize allegro!", NULL, NULL);
return -1;
}
//set up some of the display settings
al_set_new_display_flags(ALLEGRO_WINDOWED | ALLEGRO_RESIZABLE);
display = al_create_display(640, 480);
al_set_window_title(display, "A bad horror game");
if (!display)
{
al_show_native_message_box(NULL, NULL, NULL,
"failed to initialize display!", NULL, NULL);
return -1;
}
al_init_font_addon();
al_init_ttf_addon();
//Install Slender Man font here
font50 = al_load_font("Slendermanswriting.ttf", 50, 0);
font36 = al_load_font("Slendermanswriting.ttf", 36, 0);
font18 = al_load_font("Slendermanswriting.ttf", 18, 0);
//set up music here
al_install_audio();
al_init_acodec_addon();
al_reserve_samples(1);
song = al_load_sample("PrometheusSiren.wav");
//play song this will loop around and around like a record man!
al_play_sample(song, 1, 0, 1, ALLEGRO_PLAYMODE_LOOP, NULL);
int screen_w = al_get_display_width(display);
int screen_h = al_get_display_height(display);
al_clear_to_color(al_map_rgb(0, 0, 0));
al_draw_text(font50, al_map_rgb(255, 0, 0), 12, 50, 0, "SLENDER MAN IS COMING");
al_draw_text(font36, al_map_rgb(255, 5, 10), 200, 100, 0, "RUN AND HIDE");
al_draw_text(font18, al_map_rgb(100, 15, 18), 150, 150, 0, "ENJOY THE PROMETHEUS SIREN MUSIC");
int timer = 10;
while (timer != 0)
{
al_draw_textf(font18, al_map_rgb(255, 255, 255), screen_w / 3, 300, ALLEGRO_ALIGN_CENTRE,
"TURN UP YOUR VOLUME TO %i PRECENT!", a);
al_draw_textf(font18, al_map_rgb(255, 255, 255), screen_w / 2, 400, ALLEGRO_ALIGN_CENTRE,
"WINDOW WILL CLOSE IN %i seconds!", timer);
al_flip_display();
al_rest(1.0);
timer = timer - 1;
}
al_rest(10.0);
//destroy stuff
al_destroy_font(font18);
al_destroy_font(font50);
al_destroy_font(font36);
al_destroy_display(display);
al_destroy_sample(song);
//pew pew pew, bang.... all destoryed :)
return 0;
}
将背景清除和前三个文本输出移动到主循环中。您需要在每个帧上重新绘制所有内容。
//FILE: Main.cpp
//PROGR: Hank Bates
//PURPOSE: To display text on screen for 10 seconds.
//EXTRA ADD ON FILES: Slendermanswriting.ttf
// PrometheusSiren.wav
#include <allegro5allegro.h>
#include <allegro5allegro_font.h>
#include <allegro5allegro_ttf.h>
#include <allegro5allegro_native_dialog.h>
#include <allegro5allegro_audio.h>
#include <allegro5allegro_acodec.h>
int main(void)
{
//summon the fonts and stuff
ALLEGRO_DISPLAY *display = NULL;
ALLEGRO_FONT *font50;
ALLEGRO_FONT *font36;
ALLEGRO_FONT *font18;
ALLEGRO_SAMPLE *song;
int a = 100;
int time_left = 10;
//test redaw
ALLEGRO_EVENT_QUEUE *event_queue = NULL;
ALLEGRO_TIMER *timer = NULL;
bool redraw = true;
if (!al_init())
{
al_show_native_message_box(NULL, NULL, NULL,
"failed to initialize allegro!", NULL, NULL);
return -1;
}
//set up some of the display settings
al_set_new_display_flags(ALLEGRO_WINDOWED | ALLEGRO_RESIZABLE);
display = al_create_display(640, 480);
al_set_window_title(display, "A bad horror game");
if (!display)
{
al_show_native_message_box(NULL, NULL, NULL,
"failed to initialize display!", NULL, NULL);
return -1;
}
al_init_font_addon();
al_init_ttf_addon();
//Install Slender Man font here
font50 = al_load_font("Slendermanswriting.ttf", 50, 0);
font36 = al_load_font("Slendermanswriting.ttf", 36, 0);
font18 = al_load_font("Slendermanswriting.ttf", 18, 0);
//set up music here
al_install_audio();
al_init_acodec_addon();
al_reserve_samples(1);
//upload the song here
song = al_load_sample("PrometheusSiren.wav");
//play song this will loop around and around like a record man!
al_play_sample(song, 1, 0, 1, ALLEGRO_PLAYMODE_LOOP, NULL);
int screen_w = al_get_display_width(display);
int screen_h = al_get_display_height(display);
al_clear_to_color(al_map_rgb(0, 0, 0));
while (time_left != 0)
{
al_flip_display();
al_clear_to_color(al_map_rgb(0, 0, 0));
al_draw_text(font50, al_map_rgb(255, 0, 0), 12, 50, 0, "SLENDER MAN IS COMING");
al_draw_text(font36, al_map_rgb(255, 5, 10), 200, 100, 0, "RUN AND HIDE");
al_draw_text(font18, al_map_rgb(100, 15, 18), 150, 150, 0, "ENJOY THE PROMETHEUS SIREN MUSIC");
al_draw_textf(font18, al_map_rgb(255, 255, 255), screen_w / 3, 300, ALLEGRO_ALIGN_CENTRE,
"TURN UP YOUR VOLUME TO %i PRECENT!", a);
al_draw_textf(font18, al_map_rgb(255, 255, 255), screen_w / 2, 400, ALLEGRO_ALIGN_CENTRE,
"WINDOW WILL CLOSE IN %i seconds!", time_left);
al_rest(1.0);
time_left = time_left - 1;
}
al_flip_display();
al_rest(0.0);
//destroy stuff
al_destroy_font(font18);
al_destroy_font(font50);
al_destroy_font(font36);
al_destroy_display(display);
al_destroy_sample(song);
al_destroy_timer(timer);
//pew pew pew, bang.... all destoryed :)
return 0;
}
yo我明白了。感谢您在正确的问题中的观点。
相关文章：
- 没有为自己的结构调用列表推回方法
- 在他自己的方法中，有可能将一个对象取消引用到另一个对象吗
- 在c++中为我自己的基于指针的数组分配内存的正确方法
- C++从对象自己的类中删除对象
- 使用 std::optional，而不是自己的结构
- 子轴围绕父轴而不是他自己的轴旋转
- 这个C++编译器优化(在自身的实例上调用对象自己的构造函数）的名称是什么，它是如何工作的?
- C++ 如何为自己的迭代器类从迭代器转换为const_iterator?
- 重载 + 自己的类和 std::string 的运算符
- 类无法访问自己的私有静态 constexpr 方法 - Clang bug？
- 是否可以在不填充自己的参数的情况下将模板函数作为参数传递?
- 如何访问模板参数自己的模板参数？
- 将矩阵乘以我自己的输入的向量
- 您应该在什么时候创建自己的异常类型
- 派生类是从基类继承 v 指针并仅使用它，还是也有自己的 v 指针?
- string1 == string2 和你自己的 for 循环比较有什么区别?
- 如何正确包含我自己的标头?
- 自己的自定义向量类. 内存重新分配
- 智能指针的自我/自己的实现
- 想要一些文字在游戏中消除自己的自我
