Bruce/conway
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Added zero-filled option for blank canvas.

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This commit is contained in:
Bruce Hill 2019-03-18 16:48:54 -07:00
parent ce3ff4797e
commit 318bdfb9c0
2 changed files with 13 additions and 5 deletions
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6
README.md
View File

@ -1,3 +1,7 @@
# Conway
A termbox program for running Conway's Game of Life.
Different rulesets can be used with `conway -S23 -B3` syntax.
# Usage
Different rulesets can be provided with the `conway -S23 -B3` flags. To start
with a blank canvas instead of a randomized canvas, use `-Z`.

12
conway.c
View File

@ -29,9 +29,10 @@ static void update(const char *cells, char *future_cells)
}
int main(int argc, char **argv) {
int randomize = 1;
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "--help") == 0) {
printf("Conway's Game of Life Viewer\nUsage: conway [-S012345678] [-B012345678]\n");
printf("Conway's Game of Life Viewer\nUsage: conway [-Z] [-S012345678] [-B012345678]\n");
return 0;
} else if (strncmp(argv[i], "-B", 2) == 0) {
memset(rules[0], 0, sizeof(rules[0]));
@ -45,6 +46,8 @@ int main(int argc, char **argv) {
if ('0' <= *p && *p <= '8')
rules[1][*p - '0'] = 1;
}
} else if (strcmp(argv[i], "-Z") == 0) {
randomize = 0;
}
}
@ -62,9 +65,10 @@ int main(int argc, char **argv) {
W = tb_width()/2, H = tb_height();
buffers[0] = calloc(W*H, sizeof(char));
buffers[1] = calloc(W*H, sizeof(char));
for (int x = 0; x < W; x++)
for (int y = 0; y < H; y++)
CELL(buffers[flipflop], x, y) = random() % 2;
if (randomize)
for (int x = 0; x < W; x++)
for (int y = 0; y < H; y++)
CELL(buffers[flipflop], x, y) = random() % 2;
int draw_mode = 1;
tb_clear();