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small optimization

This commit is contained in:
Christian Kroll 2011-04-03 00:56:48 +00:00
parent 12a8e94db4
commit 909d5df047
1 changed files with 15 additions and 8 deletions
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23
animations/gameoflife.c
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@ -228,15 +228,21 @@ uint8_t pfempty(field_t src) {
/******************************************************************************/
void insertglider(field_t pf) {
static void insertglider(field_t pf) {
#ifndef BITSTUFFED
/*
* #
* #
* #
* ###
*/
setcell(pf, 1, 0, alive);
setcell(pf, 2, 1, alive);
setcell(pf, 2, 1, alive);
setcell(pf, 0, 2, alive);setcell(pf, 1, 2, alive);setcell(pf, 2, 2, alive);
#else
pf[0][0] |= 0x02; // #
pf[1][0] |= 0x04; // #
pf[2][0] |= 0x07; // ###
#endif
}
/******************************************************************************/
@ -269,17 +275,18 @@ void gameoflife() {
uint8_t ldbuf_idx = 0;
uint16_t cycle;
/* initialize the field with random */
pfinit(pf1);
#ifdef GLIDER_TEST
/* initialize with glider */
for(y=YSIZE; y--;) {
for(x=XSIZE; x--;) {
coord_t x,y;
for(y = YSIZE; y--;) {
for(x = XSIZE; x--;) {
setcell(pf1, x, y, dead);
}
}
insertglider(pf1);
#else
/* initialize the field with random */
pfinit(pf1);
#endif
/* the main part */