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authorVito Caputo <vcaputo@gnugeneration.com>2017-01-18 17:14:52 -0800
committerVito Caputo <vcaputo@gnugeneration.com>2017-01-18 17:31:44 -0800
commit524db0cf19648e3c7c78d3e73103b7a0bdcd6bfc (patch)
tree6fd682629904a210927797c92d956c208666b03a /modules/sparkler/simple.c
parentee2073d4e411555aba878277131b56f7eb562c84 (diff)
*: move source into src/ subdir
Restoring some organizational sanity since adopting autotools.
Diffstat (limited to 'modules/sparkler/simple.c')
-rw-r--r--modules/sparkler/simple.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/modules/sparkler/simple.c b/modules/sparkler/simple.c
deleted file mode 100644
index e453e46..0000000
--- a/modules/sparkler/simple.c
+++ /dev/null
@@ -1,113 +0,0 @@
-#include <stdlib.h>
-
-#include "draw.h"
-#include "particle.h"
-#include "particles.h"
-
-
-/* a "simple" particle type */
-#define SIMPLE_MAX_DECAY_RATE 20
-#define SIMPLE_MIN_DECAY_RATE 2
-#define SIMPLE_MAX_LIFETIME 110
-#define SIMPLE_MIN_LIFETIME 30
-#define SIMPLE_MAX_SPAWN 15
-#define SIMPLE_MIN_SPAWN 2
-
-extern particle_ops_t rocket_ops;
-
-typedef struct _simple_ctxt_t {
- int decay_rate;
- int longevity;
- int lifetime;
-} simple_ctxt_t;
-
-
-static int simple_init(particles_t *particles, particle_t *p)
-{
- simple_ctxt_t *ctxt = p->ctxt;
-
- ctxt->decay_rate = rand_within_range(SIMPLE_MIN_DECAY_RATE, SIMPLE_MAX_DECAY_RATE);
- ctxt->lifetime = ctxt->longevity = rand_within_range(SIMPLE_MIN_LIFETIME, SIMPLE_MAX_LIFETIME);
-
- if (!p->props->of_use) {
- /* everything starts from the bottom center */
- p->props->position.x = 0;
- p->props->position.y = 0;
- p->props->position.z = 0;
-
- /* TODO: direction random-ish within the range of a narrow upward facing cone */
- p->props->direction.x = (float)(rand_within_range(0, 6) - 3) * .1f;
- p->props->direction.y = 1.0f + (float)(rand_within_range(0, 6) - 3) * .1f;
- p->props->direction.z = (float)(rand_within_range(0, 6) - 3) * .1f;
- p->props->direction = v3f_normalize(&p->props->direction);
-
- p->props->velocity = (float)rand_within_range(300, 800) / 100000.0;
-
- p->props->drag = 0.03;
- p->props->mass = 0.3;
- p->props->of_use = 1;
- } /* else { we've been given properties, manipulate them or run with them? } */
-
- return 1;
-}
-
-
-static particle_status_t simple_sim(particles_t *particles, particle_t *p)
-{
- simple_ctxt_t *ctxt = p->ctxt;
-
- /* a particle is free to manipulate its children list when aging, but not itself or its siblings */
- /* return PARTICLE_DEAD to remove kill yourself, do not age children here, the age pass will recurse
- * into children and age them independently _after_ their parents have been aged
- */
- if (!ctxt->longevity || (ctxt->longevity -= ctxt->decay_rate) <= 0) {
- ctxt->longevity = 0;
- return PARTICLE_DEAD;
- }
-
- /* create particles inheriting our type based on some silly conditions, with some tweaks to their direction */
- if (ctxt->longevity == 42 || (ctxt->longevity > 500 && !(ctxt->longevity % 50))) {
- int i, num = rand_within_range(SIMPLE_MIN_SPAWN, SIMPLE_MAX_SPAWN);
-
- for (i = 0; i < num; i++) {
- particle_props_t props = *p->props;
- particle_ops_t *ops = INHERIT_OPS;
-
- if (i == (SIMPLE_MAX_SPAWN - 2)) {
- ops = &rocket_ops;
- props.velocity = (float)rand_within_range(60, 100) / 1000000.0;
- } else {
- props.velocity = (float)rand_within_range(30, 100) / 10000.0;
- }
-
- props.direction.x += (float)(rand_within_range(0, 315 * 2) - 315) / 100.0;
- props.direction.y += (float)(rand_within_range(0, 315 * 2) - 315) / 100.0;
- props.direction.z += (float)(rand_within_range(0, 315 * 2) - 315) / 100.0;
- props.direction = v3f_normalize(&props.direction);
-
- particles_spawn_particle(particles, p, &props, ops); // XXX
- }
- }
-
- return PARTICLE_ALIVE;
-}
-
-
-static void simple_draw(particles_t *particles, particle_t *p, int x, int y, fb_fragment_t *f)
-{
- simple_ctxt_t *ctxt = p->ctxt;
-
- if (!draw_pixel(f, x, y, makergb(0xff, 0xff, 0xff, ((float)ctxt->longevity / ctxt->lifetime)))) {
- /* immediately kill off stars that wander off screen */
- ctxt->longevity = 0;
- }
-}
-
-
-particle_ops_t simple_ops = {
- .context_size = sizeof(simple_ctxt_t),
- .sim = simple_sim,
- .init = simple_init,
- .draw = simple_draw,
- .cleanup = NULL,
- };
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