static void mutate_drawing(struct drawing *drawing,
const struct image *master)
{
- unsigned int r = random();
+ unsigned int i, r = random();
struct triangle *tri = &drawing->tri[r % drawing->num_tris];
r /= drawing->num_tris;
- r %= 10;
+ r %= 12;
if (r < 6) {
+ /* Move one corner in x or y dir. */
if (r % 2)
tri->coord[r/2].x = random() % master->width;
else
tri->coord[r/2].y = random() % master->height;
- } else {
+ } else if (r < 10) {
+ /* Change one aspect of color. */
tri->color[r - 6] = random() % 256;
+ } else if (r == 10) {
+ /* Completely move a triangle. */
+ for (i = 0; i < 3; i++) {
+ tri->coord[i].x = random() % master->width;
+ tri->coord[i].y = random() % master->height;
+ }
+ } else {
+ /* Completely change a triangle's colour. */
+ for (i = 0; i < 4; i++)
+ tri->color[i] = random() % 256;
}
calc_multipliers(tri);
}
fprintf(out, "%u triangles:\n", drawing[i]->num_tris);
for (j = 0; j < drawing[i]->num_tris; j++) {
fprintf(out, "%u,%u,%u,%u,%u,%u,%u,%u,%u,%u\n",
- drawing[i]->tri[i].coord[0].x,
- drawing[i]->tri[i].coord[0].y,
- drawing[i]->tri[i].coord[1].x,
- drawing[i]->tri[i].coord[1].y,
- drawing[i]->tri[i].coord[2].x,
- drawing[i]->tri[i].coord[2].y,
+ drawing[i]->tri[j].coord[0].x,
+ drawing[i]->tri[j].coord[0].y,
+ drawing[i]->tri[j].coord[1].x,
+ drawing[i]->tri[j].coord[1].y,
+ drawing[i]->tri[j].coord[2].x,
+ drawing[i]->tri[j].coord[2].y,
drawing[i]->tri[j].color[0],
drawing[i]->tri[j].color[1],
drawing[i]->tri[j].color[2],
} else {
FILE *state;
char header[100];
- state = fopen(argv[5], "r");
+ state = fopen(argv[6], "r");
if (!state)
- err(1, "Opening %s", argv[5]);
+ err(1, "Opening %s", argv[6]);
fflush(stdout);
fgets(header, 100, state);
- printf("Loading initial population from %s: %s", argv[5],
+ printf("Loading initial population from %s: %s", argv[6],
header);
for (i = 0; i < POPULATION_SIZE; i++) {
drawing[i] = read_drawing(at_pool_ctx(atp),