diff options
| author | Vito Caputo <vcaputo@gnugeneration.com> | 2017-01-18 17:14:52 -0800 | 
|---|---|---|
| committer | Vito Caputo <vcaputo@gnugeneration.com> | 2017-01-18 17:31:44 -0800 | 
| commit | 524db0cf19648e3c7c78d3e73103b7a0bdcd6bfc (patch) | |
| tree | 6fd682629904a210927797c92d956c208666b03a /modules/sparkler/spark.c | |
| parent | ee2073d4e411555aba878277131b56f7eb562c84 (diff) | |
*: move source into src/ subdir
Restoring some organizational sanity since adopting autotools.
Diffstat (limited to 'modules/sparkler/spark.c')
| -rw-r--r-- | modules/sparkler/spark.c | 63 | 
1 files changed, 0 insertions, 63 deletions
| diff --git a/modules/sparkler/spark.c b/modules/sparkler/spark.c deleted file mode 100644 index ea68ac2..0000000 --- a/modules/sparkler/spark.c +++ /dev/null @@ -1,63 +0,0 @@ -#include <stdlib.h> - -#include "draw.h" -#include "particle.h" -#include "particles.h" - -/* a "spark" particle type, emitted from behind rockets */ -#define SPARK_MAX_DECAY_RATE	20 -#define SPARK_MIN_DECAY_RATE	2 -#define SPARK_MAX_LIFETIME	150 -#define SPARK_MIN_LIFETIME	1 - -typedef struct _spark_ctxt_t { -	int		decay_rate; -	int		longevity; -	int		lifetime; -} spark_ctxt_t; - - -static int spark_init(particles_t *particles, particle_t *p) -{ -	spark_ctxt_t	*ctxt = p->ctxt; - -	p->props->drag = 20.0; -	p->props->mass = 0.1; -	ctxt->decay_rate = rand_within_range(SPARK_MIN_DECAY_RATE, SPARK_MAX_DECAY_RATE); -	ctxt->lifetime = ctxt->longevity = rand_within_range(SPARK_MIN_LIFETIME, SPARK_MAX_LIFETIME); - -	return 1; -} - - -static particle_status_t spark_sim(particles_t *particles, particle_t *p) -{ -	spark_ctxt_t	*ctxt = p->ctxt; - -	if (!ctxt->longevity || (ctxt->longevity -= ctxt->decay_rate) <= 0) { -		ctxt->longevity = 0; -		return PARTICLE_DEAD; -	} - -	return PARTICLE_ALIVE; -} - - -static void spark_draw(particles_t *particles, particle_t *p, int x, int y, fb_fragment_t *f) -{ -	spark_ctxt_t	*ctxt = p->ctxt; - -	if (!draw_pixel(f, x, y, makergb(0xff, 0xa0, 0x20, ((float)ctxt->longevity / ctxt->lifetime)))) { -		/* offscreen */ -		ctxt->longevity = 0; -	} -} - - -particle_ops_t	spark_ops = { -			.context_size = sizeof(spark_ctxt_t), -			.sim = spark_sim, -			.init = spark_init, -			.draw = spark_draw, -			.cleanup = NULL, -		}; | 
