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@ -18,9 +18,30 @@ |
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#include "ball.h" |
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#include "ball.h" |
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/* internal functions */ |
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static void ball_spawn (ball_t *in_ball, uint16_t in_x, uint16_t in_y, int16_t in_dir_x, int16_t in_dir_y) |
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{ |
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in_ball->x = in_x; |
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in_ball->y = in_y; |
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in_ball->dir_x = in_dir_x; |
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in_ball->dir_y = in_dir_y; |
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} |
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static void ball_die (ball_t *in_b) |
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{ |
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in_b->strength--; |
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/* respawn ball with random direction */ |
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if (in_b->strength) |
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{ |
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print_ballsleft(in_b); |
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ball_spawn_default (in_b); |
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} |
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} |
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/* modify a vecotor according to given type of bouncing */ |
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/* modify a vecotor according to given type of bouncing */ |
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void bounce_rand_vector (ball_t *in_b, uint8_t in_bouncetype); |
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static void bounce_rand_vector (ball_t *in_b, uint8_t in_bouncetype) |
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void bounce_rand_vector (ball_t *in_b, uint8_t in_bouncetype) |
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{ |
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{ |
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uint8_t rval = random8(); |
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uint8_t rval = random8(); |
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@ -57,6 +78,9 @@ void bounce_rand_vector (ball_t *in_b, uint8_t in_bouncetype) |
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in_b->dir_y = 217; |
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in_b->dir_y = 217; |
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} |
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} |
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/* interface functions */ |
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void ball_think (ball_t *b) |
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void ball_think (ball_t *b) |
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{ |
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{ |
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int8_t proj_x, proj_y, bounce, tmp; |
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int8_t proj_x, proj_y, bounce, tmp; |
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@ -142,18 +166,6 @@ void ball_think (ball_t *b) |
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b->x += b->dir_x; |
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b->x += b->dir_x; |
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} |
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} |
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void ball_die (ball_t *in_b) |
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{ |
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in_b->strength--; |
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/* respawn ball with random direction */ |
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if (in_b->strength) |
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{ |
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print_ballsleft(in_b); |
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ball_spawn_default (in_b); |
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} |
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} |
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void ball_draw (ball_t *b) |
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void ball_draw (ball_t *b) |
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{ |
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{ |
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pixel p; |
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pixel p; |
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@ -163,14 +175,6 @@ void ball_draw (ball_t *b) |
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setpixel (p, 3); |
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setpixel (p, 3); |
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} |
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} |
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void ball_spawn (ball_t *in_ball, uint16_t in_x, uint16_t in_y, int16_t in_dir_x, int16_t in_dir_y) |
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{ |
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in_ball->x = in_x; |
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in_ball->y = in_y; |
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in_ball->dir_x = in_dir_x; |
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in_ball->dir_y = in_dir_y; |
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} |
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void ball_spawn_default (ball_t *in_b) |
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void ball_spawn_default (ball_t *in_b) |
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{ |
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{ |
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int16_t xdir; |
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int16_t xdir; |
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