void bg_clear() {
stack.clear();
for (int i = 0; i < MAP_SIZE; ++i) {
for (int j = 0; j < MAP_SIZE; ++j)
tab[i][j] = 0;
}
for (int i = 0; i < 20; ++i)
stack.push_back(std::make_pair(rand() % MAP_SIZE, rand() % MAP_SIZE));
float r, g, b;
al_color_hsv_to_rgb((rand()%6)*60, 1.0, 0.23 , &r, &g, &b);
al_clear_to_color(al_map_rgb_f(r,g,b));
v = 1.0;
}
void bg_draw() {
al_set_target_bitmap(bg);
std::vector<std::pair<int, int>> newstack;
h = h+2.5;
if (h > 360) h = 0;
v = v - 1.0 / 144.9;
if (v <= 0) bg_clear();
for (unsigned int i = 0; i < stack.size(); ++i) {
int x = stack[i].first;
int y = stack[i].second;
float r, g, b;
al_color_hsv_to_rgb(h, s, v, &r, &g, &b);
al_draw_pixel(x, y, al_map_rgb_f(r,g,b));
if (x != 0 && tab[x - 1][y] != 1) {
float prob = 0.001*(rand() % 1000);
if (prob > p) {
newstack.push_back(std::make_pair(x - 1, y));
}
tab[x - 1][y] = 1;
}
if (x != MAP_SIZE-1 && tab[x + 1][y] != 1) {
float prob = 0.001*(rand() % 1000);
if (prob > p) {
newstack.push_back(std::make_pair(x + 1, y));
}
tab[x + 1][y] = 1;
}
if (y != 0 && tab[x][y-1] != 1) {
float prob = 0.001*(rand() % 1000);
if (prob > p) {
newstack.push_back(std::make_pair(x, y-1));
}
tab[x][y-1] = 1;
}
if (y != MAP_SIZE-1 && tab[x][y+1] != 1) {
float prob = 0.001*(rand() % 1000);
if (prob > p) {
newstack.push_back(std::make_pair(x, y+1));
}
tab[x][y+1] = 1;
}
}
stack = newstack;
al_set_target_backbuffer(okno);
}
void Prog::run()
{
d.prepare();
while (!d.is_quit_requested()) {
if (d.is_draw_requested()) {
al_clear_to_color(al_map_rgb(128, 128, 128));
float v[SLIDERS_COUNT];
int keep = -1;
for (int i = 0; i < SLIDERS_COUNT; i++) {
int x = sliders[i].get_cur_value();
v[i] = x / 1000.0;
if (previous[i] != x) {
keep = i;
}
}
if (keep != -1) {
int space = keep < 12 ? keep / 3 : 4;
switch (space) {
case 0:
al_color_rgb_to_hsv(v[0], v[1], v[2], v + 3, v + 4, v + 5);
al_color_rgb_to_hsl(v[0], v[1], v[2], v + 6, v + 7, v + 8);
al_color_rgb_to_cmyk(v[0], v[1], v[2], v + 12, v + 13, v + 14, v + 15);
al_color_rgb_to_yuv(v[0], v[1], v[2], v + 9, v + 10, v + 11);
v[3] /= 360;
v[6] /= 360;
break;
case 1:
al_color_hsv_to_rgb(v[3] * 360, v[4], v[5], v + 0, v + 1, v + 2);
al_color_rgb_to_hsl(v[0], v[1], v[2], v + 6, v + 7, v + 8);
al_color_rgb_to_cmyk(v[0], v[1], v[2], v + 12, v + 13, v + 14, v + 15);
al_color_rgb_to_yuv(v[0], v[1], v[2], v + 9, v + 10, v + 11);
v[6] /= 360;
break;
case 2:
al_color_hsl_to_rgb(v[6] * 360, v[7], v[8], v + 0, v + 1, v + 2);
al_color_rgb_to_hsv(v[0], v[1], v[2], v + 3, v + 4, v + 5);
al_color_rgb_to_cmyk(v[0], v[1], v[2], v + 12, v + 13, v + 14, v + 15);
al_color_rgb_to_yuv(v[0], v[1], v[2], v + 9, v + 10, v + 11);
v[3] /= 360;
break;
case 3:
al_color_yuv_to_rgb(v[9], v[10], v[11], v + 0, v + 1, v + 2);
v[0] = clamp(v[0]);
v[1] = clamp(v[1]);
v[2] = clamp(v[2]);
al_color_rgb_to_yuv(v[0], v[1], v[2], v + 9, v + 10, v + 11);
al_color_rgb_to_hsv(v[0], v[1], v[2], v + 3, v + 4, v + 5);
al_color_rgb_to_hsl(v[0], v[1], v[2], v + 6, v + 7, v + 8);
al_color_rgb_to_cmyk(v[0], v[1], v[2], v + 12, v + 13, v + 14, v + 15);
v[3] /= 360;
v[6] /= 360;
break;
case 4:
al_color_cmyk_to_rgb(v[12], v[13], v[14], v[15], v + 0, v + 1, v + 2);
al_color_rgb_to_hsv(v[0], v[1], v[2], v + 3, v + 4, v + 5);
al_color_rgb_to_hsl(v[0], v[1], v[2], v + 6, v + 7, v + 8);
al_color_rgb_to_yuv(v[0], v[1], v[2], v + 9, v + 10, v + 11);
v[3] /= 360;
v[6] /= 360;
break;
}
}
for (int i = 0; i < SLIDERS_COUNT; i++) {
sliders[i].set_cur_value((int)(v[i] * 1000));
previous[i] = sliders[i].get_cur_value();
char c[100];
sprintf(c, "%d", (int)(v[i] * 100));
labels2[i].set_text(c);
}
d.draw();
al_draw_filled_rectangle(0, 400, 640, 480,
al_map_rgb_f(v[0], v[1], v[2]));
char const *name = al_color_rgb_to_name(v[0], v[1], v[2]);
char html[8];
al_color_rgb_to_html(v[0], v[1], v[2], html);
al_draw_text(d.get_theme().font, al_map_rgb(0, 0, 0), 0, 380, 0, name);
al_draw_text(d.get_theme().font, al_map_rgb(0, 0, 0), 0, 360, 0, html);
al_flip_display();
}
d.run_step(true);
}
}
