pcb and initial code from https://github.com/das-labor/borgware-2d.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
877 B
45 lines
877 B
15 years ago
|
#include "rebound.h"
|
||
|
|
||
|
#include <stdio.h>
|
||
|
static uint8_t rbpos;
|
||
|
|
||
|
uint8_t rebound_getpos ()
|
||
|
{
|
||
|
return (rbpos + (REBOUND_SIZE / 2));
|
||
|
}
|
||
|
|
||
|
void rebound_init()
|
||
|
{
|
||
|
rbpos = (NUM_ROWS / 2) - (REBOUND_SIZE / 2);
|
||
|
rebound_draw();
|
||
|
}
|
||
|
|
||
|
void rebound_draw ()
|
||
|
{
|
||
|
uint8_t i;
|
||
|
|
||
|
for (i=rbpos;i<rbpos + REBOUND_SIZE;i++)
|
||
|
{
|
||
|
playfield_set (i, NUM_ROWS-1, rb); /* set rebound pixel */
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void rebound_tick()
|
||
|
{
|
||
|
/* directions are inverted (JOYISLEFT means RIGHT) */
|
||
|
if (JOYISRIGHT && rbpos)
|
||
|
{
|
||
|
playfield_set (rbpos + REBOUND_SIZE, NUM_ROWS-1, sp); /* clear rebound pixel */
|
||
|
rbpos--;
|
||
|
playfield_set (rbpos, NUM_ROWS-1, rb); /* set rebound pixel */
|
||
|
}
|
||
|
|
||
|
if (JOYISLEFT && rbpos < (NUM_COLS - (REBOUND_SIZE+1)))
|
||
|
{
|
||
|
playfield_set (rbpos, NUM_ROWS-1, sp); /* clear rebound pixel */
|
||
|
rbpos++;
|
||
|
playfield_set (rbpos + REBOUND_SIZE, NUM_ROWS-1, rb); /* set rebound pixel */
|
||
|
}
|
||
|
rebound_draw();
|
||
|
}
|