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Ant now wraps around the field and terminates after ~50s. + Some cosmetic changes

This commit is contained in:
alu 2010-04-15 12:34:40 +00:00
parent fc961bf0ce
commit 7ae8d85b99
1 changed files with 19 additions and 15 deletions
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30
animations/ltn_ant.c
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@ -34,7 +34,8 @@ void ltn_ant() {
char ox, oy; /* Used to set old pixels so brightness 2 */ char ox, oy; /* Used to set old pixels so brightness 2 */
} ant; } ant;
char temp, i = 0; char temp, i = 0, refill = 0;
uint16_t cycles = 500;
/* Random startposition and direction */ /* Random startposition and direction */
ant.x = random8() % NUM_COLS; ant.x = random8() % NUM_COLS;
@ -42,16 +43,11 @@ void ltn_ant() {
/* Make sure we do have a valid vector */ /* Make sure we do have a valid vector */
do { do {
ant.dx = random8() % 2; ant.dx = (random8() % 3) - 1;
ant.dy = random8() % 2; ant.dy = (random8() % 3) - 1;
/* We need negative directions, too */
if(ant.dx == 2)
ant.dx = -1;
if(ant.dy == 2)
ant.dy = -1;
} while(ant.dx == ant.dy); } while(ant.dx == ant.dy);
do { while(cycles != 0) {
if(get_pixel((pixel) {ant.x, ant.y}) == 0) { /* If the pixel is not set turn it on */ if(get_pixel((pixel) {ant.x, ant.y}) == 0) { /* If the pixel is not set turn it on */
setpixel((pixel) {ant.x, ant.y}, 3); setpixel((pixel) {ant.x, ant.y}, 3);
@ -62,6 +58,7 @@ void ltn_ant() {
/* Lets the last pixel be darker than the latest */ /* Lets the last pixel be darker than the latest */
if(i == 1) if(i == 1)
setpixel((pixel) {ant.ox, ant.oy}, 2); setpixel((pixel) {ant.ox, ant.oy}, 2);
else
i = 1; i = 1;
ant.ox = ant.x; ant.ox = ant.x;
ant.oy = ant.y; ant.oy = ant.y;
@ -79,11 +76,18 @@ void ltn_ant() {
ant.x += ant.dx; ant.x += ant.dx;
ant.y += ant.dy; ant.y += ant.dy;
} while(ant.x >= 0 && /* The ant will appear on the oppisite side of the field if it would leave */
ant.x < NUM_COLS && if(ant.x <= 0)
ant.y >= 0 && ant.x += (NUM_ROWS - 1);
ant.y < NUM_ROWS); /* Make sure we won't leave the matrix. (Mr. Smith hates it outside the matrix, you know?) */ if(ant.x >= NUM_ROWS)
ant.x -= (NUM_ROWS + 1);
if(ant.y <= 0)
ant.y += (NUM_COLS - 1);
if(ant.y >= NUM_COLS)
ant.y -= (NUM_COLS + 1);
cycles--;
}
wait(300); wait(300);
} }