cx = mouse_x;
cy = mouse_y;
- for(i=0; i<fb_height; i++) {
- for(j=0; j<fb_width; j++) {
+ for(i=0; i<FB_HEIGHT; i++) {
+ for(j=0; j<FB_WIDTH; j++) {
unsigned char pidx = julia(j, i, cx, cy, max_iter) & 0xff;
*pixels++ = (pidx >> 3) | ((pidx >> 2) << 5) | ((pidx >> 3) << 11);
}
}
pixels = fb_pixels;
- pixels[mouse_y * fb_width + mouse_x] = 0xffe;
+ pixels[mouse_y * FB_WIDTH + mouse_x] = 0xffe;
swap_buffers(0);
}
int i;
/* convert to fixed point roughly [-1, 1] */
- x = (normalize_coord(x, fb_width) >> 8) * xscale_24x8;
- y = (normalize_coord(y, fb_height) >> 8) * yscale_24x8;
- cx = (normalize_coord(cx, fb_width) >> 8) * xscale_24x8;
- cy = (normalize_coord(cy, fb_height) >> 8) * yscale_24x8;
+ x = (normalize_coord(x, FB_WIDTH) >> 8) * xscale_24x8;
+ y = (normalize_coord(y, FB_HEIGHT) >> 8) * yscale_24x8;
+ cx = (normalize_coord(cx, FB_WIDTH) >> 8) * xscale_24x8;
+ cy = (normalize_coord(cy, FB_HEIGHT) >> 8) * yscale_24x8;
for(i=0; i<max_iter; i++) {
/* z_n = z_{n-1}**2 + c */