diff --git a/Makefile b/Makefile
index b02d5f5..6db7c16 100755
--- a/Makefile
+++ b/Makefile
@@ -138,9 +138,9 @@ else
   ifeq ($(UNAME), Darwin)
     OS := macos
     CPPFLAGS += -arch $(ARCH)
-    CFLAGS += -x objective-c
+    CFLAGS += -x objective-c# -fopenmp=libomp
     CXXFLAGS += -std=c++11
-    LDFLAGS += -framework Cocoa -framework QuartzCore -framework AudioToolbox -framework Metal -framework MetalKit
+    LDFLAGS += -framework Cocoa -framework QuartzCore -framework AudioToolbox -framework Metal -framework MetalKit# -fopenmp=libomp
   endif
 endif
 
diff --git a/source/engine/2dphysics.c b/source/engine/2dphysics.c
index ef66abe..b963cb7 100644
--- a/source/engine/2dphysics.c
+++ b/source/engine/2dphysics.c
@@ -625,9 +625,9 @@ static cpBool handle_collision(cpArbiter *arb, int type) {
     break;
 
   case CTYPE_SEP:
-    if (JS_IsObject(go->cbs.separate.obj))
+/*    if (JS_IsObject(go->cbs.separate.obj))
       duk_call_phys_cb(norm1, go->cbs.separate, go2, arb);
-
+*/
     break;
   }
 
diff --git a/source/engine/gameobject.c b/source/engine/gameobject.c
index 101aad2..98143a8 100644
--- a/source/engine/gameobject.c
+++ b/source/engine/gameobject.c
@@ -189,12 +189,19 @@ void rm_body_shapes(cpBody *body, cpShape *shape, void *data) {
   cpShapeFree(shape);
 }
 
+void rm_body_constraints(cpBody *body, cpConstraint *constraint, void *data)
+{
+  cpSpaceRemoveConstraint(space, constraint);
+  cpConstraintFree(constraint);
+}
+
 gameobject **go_toclean = NULL;
 
 /* Free this gameobject */
 void gameobject_clean(gameobject *go) {
   arrfree(go->shape_cbs);
   cpBodyEachShape(go->body, rm_body_shapes, NULL);
+  cpBodyEachConstraint(go->body, rm_body_constraints, NULL);
   cpSpaceRemoveBody(space, go->body);
   cpBodyFree(go->body);
   go->body = NULL;
diff --git a/source/engine/input.c b/source/engine/input.c
index e296fab..ce9fba2 100644
--- a/source/engine/input.c
+++ b/source/engine/input.c
@@ -186,13 +186,12 @@ void register_gamepad(struct callee c) {
 
 void input_dropped_files(int n)
 {
-  
   JSValue argv[4];
   argv[0] = jstr("emacs");
   argv[1] = jstr("drop");
   argv[2] = jstr("pressed");
   char *path = rebase_path(sapp_get_dropped_file_path(0));
-  argv[3] = str2js(path);
+  argv[3] = str2js(path+1);
   script_callee(pawn_callee, 4, argv);
   JS_FreeValue(js,argv[3]);
 }
diff --git a/source/engine/particle.c b/source/engine/particle.c
index 351806e..cc196a6 100644
--- a/source/engine/particle.c
+++ b/source/engine/particle.c
@@ -5,6 +5,7 @@
 #include "2dphysics.h"
 #include "log.h"
 #include "simplex.h"
+#include "pthread.h"
 
 static emitter **emitters;
 
@@ -13,7 +14,7 @@ static sg_pipeline par_pipe;
 static sg_bindings par_bind;
 static int draw_count;
 
-#define MAX_PARTICLES 500000
+#define MAX_PARTICLES 1000000
 
 struct par_vert {
   HMM_Vec2 pos;
@@ -145,6 +146,8 @@ void emitters_draw()
   for (int i = 0; i < arrlen(emitters); i++) {
     emitter *e = emitters[i];
     par_bind.fs.images[0] = e->texture->id;
+
+    #pragma omp parallel for
     for (int j = 0; j < arrlen(e->particles); j++) {
       particle *p = &e->particles[j];
       pv[j].pos = p->pos.xy;
@@ -152,6 +155,7 @@ void emitters_draw()
       pv[j].scale = HMM_ScaleV2(tex_get_dimensions(e->texture), p->scale);
       pv[j].color = vec2rgba(p->color);
     }
+    
     sg_append_buffer(par_bind.vertex_buffers[0], &(sg_range){.ptr=&pv, .size=sizeof(struct par_vert)*arrlen(e->particles)});
     draw_count += arrlen(e->particles);
   }
@@ -163,6 +167,7 @@ void emitters_draw()
 }
 
 void emitter_step(emitter *e, double dt) {
+  #pragma omp parallel for
   for (int i = arrlen(e->particles)-1; i >= 0; i--) {
     particle p = e->particles[i];
     if (e->gravity) 
@@ -179,11 +184,11 @@ void emitter_step(emitter *e, double dt) {
     p.scale = e->scale;
     e->particles[i] = p;    
 
-    if (p.life <= 0)
-      arrdelswap(e->particles,i);
+//    if (p.life <= 0)
+//      arrdelswap(e->particles,i);
 
-    if (query_point(p.pos.xy))
-      arrdelswap(e->particles,i);
+//    if (query_point(p.pos.xy))
+//      arrdelswap(e->particles,i);
   }
 
   if (!e->on) return;
diff --git a/source/engine/resources.c b/source/engine/resources.c
index 90efb7e..61d9c43 100644
--- a/source/engine/resources.c
+++ b/source/engine/resources.c
@@ -43,7 +43,6 @@ static struct cdb game_cdb;
 void resources_init() {
   DATA_PATH = malloc(MAXPATH);
   getcwd(DATA_PATH, MAXPATH);
-  strncat(DATA_PATH, "/", MAXPATH);
 
   if (!PREF_PATH)
     PREF_PATH = strdup("./tmp/");
@@ -51,7 +50,6 @@ void resources_init() {
   int fd = open("test.cdb", O_RDONLY);
   cdb_init(&game_cdb, fd);
   cdb_initf(&corecdb, core_cdb, core_cdb_len);
-  printf("%s\n", DATA_PATH);
 }
 
 char *get_filename_from_path(char *path, int extension) {
@@ -185,12 +183,6 @@ FILE *path_open(const char *tag, const char *fmt, ...) {
   return f;
 }
 
-char *make_path(const char *file) {
-  strncpy(pathbuf, DATA_PATH, MAXPATH);
-  strncat(pathbuf, file, MAXPATH);
-  return pathbuf;
-}
-
 void *cdb_slurp(struct cdb *cdb, const char *file, size_t *size)
 {
     unsigned vlen, vpos;
diff --git a/source/engine/resources.h b/source/engine/resources.h
index 2067237..4a61b8e 100644
--- a/source/engine/resources.h
+++ b/source/engine/resources.h
@@ -14,7 +14,6 @@ char *get_directory_from_path(char *path);
 char *str_replace_ext(const char *s, const char *newext);
 FILE *res_open(char *path, const char *tag);
 FILE *path_open(const char *tag, const char *fmt, ...);
-char *make_path(const char *file);
 char **ls(const char *path);
 int cp(const char *p1, const char *p2);
 char *rebase_path(const char *path); /* given a global path, rebase to the local structure */
diff --git a/source/engine/yugine.c b/source/engine/yugine.c
index 3c6c630..85f54b3 100644
--- a/source/engine/yugine.c
+++ b/source/engine/yugine.c
@@ -108,8 +108,6 @@ void c_init() {
   script_evalf("Game.init();");
 
   particle_init();
-
-  YughWarn("simplex %.17lf", Noise3D(3.14,42,7.001));
 }
 
 int frame_fps() { return 1.0/sapp_frame_duration(); }
@@ -286,7 +284,7 @@ int main(int argc, char **argv) {
   signal(SIGSEGV, seghandle);
   signal(SIGABRT, seghandle);
   signal(SIGFPE, seghandle);
-  signal(SIGBUS, seghandle);
+//  signal(SIGBUS, seghandle);
 
 #endif