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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", +}; |