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WURSTWASSER INJECTION COMPLETE

This commit is contained in:
soeren 2010-01-23 20:15:45 +00:00
parent d7dd2a889c
commit 32ac9161e6
4 changed files with 41 additions and 34 deletions
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27
games/breakout/ball.c
View File

@ -59,12 +59,7 @@ void bounce_rand_vector (ball_t *in_b, uint8_t in_bouncetype)
void ball_think (ball_t *b)
{
int8_t proj_x, proj_y, bounce;
/*
if (!b->strength)
return;
*/
int8_t proj_x, proj_y, bounce, tmp;
/* projection of the new coordinates */
proj_x = (b->x + (b->dir_x)) / 256;
@ -76,22 +71,30 @@ void ball_think (ball_t *b)
bounce = check_bounce (proj_x, b->y / 256);
if (bounce & BOUNCE_UNDEF)
bounce = (BOUNCE_X | bounce) & (BOUNCE_X | BOUNCE_Y);
/* bouncing on bricks needs special handling */
if (bounce & (BOUNCE_BRICK))
bounce |= BOUNCE_X;
bounce |= check_bounce (b->x / 256, proj_y);
bounce |= check_bounce (proj_x, proj_y);
tmp = check_bounce (b->x / 256, proj_y);
if (tmp & (BOUNCE_BRICK))
bounce |= BOUNCE_Y;
bounce |= tmp;
tmp = check_bounce (proj_x, proj_y);
if (tmp & (BOUNCE_BRICK))
bounce |= BOUNCE_X | BOUNCE_Y;
bounce |= tmp;
bounce_rand_vector (b, bounce);
/* bounce in x direction */
if (bounce & (BOUNCE_X | BOUNCE_BRICK))
if (bounce & BOUNCE_X)
{
b->dir_x *= -1; /* invert x vector */
}
/* bounce in y direction */
if (bounce & (BOUNCE_Y | BOUNCE_BRICK))
if (bounce & BOUNCE_Y)
{
b->dir_y *= -1; /* invert y vector */
}

1
games/breakout/breakout.c
View File

@ -61,6 +61,7 @@ void borg_breakout()
ball_spawn_default (&(balls[0]));
balls[0].strength++;
level_init(level);
rebound_init();
}
}
}

16
games/breakout/config.h
View File

@ -1,7 +1,7 @@
#ifndef CONFIG_H
#define CONFIG_H
/* amount of speed to slow down on bounce */
#define BOUNCE_SLOWDOWN 8
#define BOUNCE_SLOWDOWN 4
/* minimum speed of the ball */
#define BALL_MINSPEED 64
@ -17,4 +17,18 @@
/* "color" of the rebound */
#define REBOUND_COLOR 2
/* rebound reflection: values to add to the vector at rebound field n
* the size of this array must be REBOUND_SIZE +2
*/
static const int8_t rebound_reflection[6][2] =
{
{-72, -20}, /* offside left */
{-40, -12}, /* left */
{-16, -8}, /* center left */
{ 16, -8}, /* center right */
{ 40, -12}, /* right */
{ 72, -20} /* offside right */
};
#endif /* CONFIG_H */

37
games/breakout/rebound.c
View File

@ -17,25 +17,13 @@
*/
#include "rebound.h"
/* rebound reflection: values to add to the vector at rebound field n
*/
const int8_t rebound_reflection[6][2] =
{
{-54, -20}, /* offside */
{-32, -12}, /* left */
{-16, -8}, /* center */
{ 16, -8},
{ 32, -12},
{ 54, -20}
};
static uint8_t rbpos;
void rebound_reflect (ball_t *b, int8_t in_x)
{
uint8_t tmpidx;
tmpidx = (in_x - rbpos) +1;
tmpidx = ((in_x - rbpos) +1) % (REBOUND_SIZE +2);
b->dir_x += rebound_reflection[tmpidx][0];
b->dir_y += rebound_reflection[tmpidx][1];
@ -56,10 +44,14 @@ void rebound_draw ()
{
uint8_t i;
for (i=rbpos;i<rbpos + REBOUND_SIZE;i++)
for (i=0;i<NUM_COLS;i++)
{
if (i >= rbpos && i < rbpos + REBOUND_SIZE)
playfield_set (i, NUM_ROWS-1, rb); /* set rebound pixel */
else
playfield_set (i, NUM_ROWS-1, sp); /* space */
}
printf("rpos: %i\n", rbpos);
}
void rebound_tick()
@ -67,16 +59,13 @@ 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();
}
if (JOYISLEFT && rbpos < (NUM_COLS - (REBOUND_SIZE)))
{
rbpos++;
rebound_draw();
}
}