diff options
author | Vito Caputo <vcaputo@gnugeneration.com> | 2016-12-13 08:20:24 -0800 |
---|---|---|
committer | GitHub <noreply@github.com> | 2016-12-13 08:20:24 -0800 |
commit | 2e292bd40f67e6e2612ad93fd77cdcd3449e4892 (patch) | |
tree | 4600607eb8c12af034b2bf29eec4f8207f9413c4 /modules/sparkler/sparkler.c | |
parent | 3ea61db55a9c21f7621f8a64d91153cb1955b2ff (diff) | |
parent | 173cac2fe990496fca2403aa3a4bfcbd6007e7e6 (diff) |
Merge pull request #2 from vcaputo/moar
More candy
Diffstat (limited to 'modules/sparkler/sparkler.c')
-rw-r--r-- | modules/sparkler/sparkler.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/modules/sparkler/sparkler.c b/modules/sparkler/sparkler.c new file mode 100644 index 0000000..de2123e --- /dev/null +++ b/modules/sparkler/sparkler.c @@ -0,0 +1,53 @@ +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <time.h> +#include <unistd.h> + +#include "fb.h" +#include "rototiller.h" +#include "util.h" + +#include "particles.h" + +/* particle system gadget (C) Vito Caputo <vcaputo@pengaru.com> 2/15/2014 */ +/* 1/10/2015 added octree bsp (though not yet leveraged) */ +/* 11/25/2016 refactor and begun adapting to rototiller */ + +#define INIT_PARTS 100 + +extern particle_ops_t simple_ops; + + +/* Render a 3D particle system */ +static void sparkler(fb_fragment_t *fragment) +{ + static particles_t *particles; + static int initialized; + uint32_t *buf = fragment->buf; + + if (!initialized) { + srand(time(NULL) + getpid()); + + particles = particles_new(); + particles_add_particles(particles, NULL, &simple_ops, INIT_PARTS); + + initialized = 1; + } + + particles_age(particles); + memset(buf, 0, ((fragment->width << 2) + fragment->stride) * fragment->height); + + particles_draw(particles, fragment); + particles_sim(particles); + particles_add_particles(particles, NULL, &simple_ops, INIT_PARTS / 4); +} + + +rototiller_renderer_t sparkler_renderer = { + .render = sparkler, + .name = "sparkler", + .description = "Particle system with spatial interactions", + .author = "Vito Caputo <vcaputo@pengaru.com>", + .license = "GPLv2", +}; |