diff --git a/src/api/l_physics_world.c b/src/api/l_physics_world.c
index a97271d8..53113367 100644
--- a/src/api/l_physics_world.c
+++ b/src/api/l_physics_world.c
@@ -25,7 +25,7 @@ static int nextOverlap(lua_State* L) {
   }
 }
 
-static void raycastCallback(Shape* shape, float x, float y, float z, float nx, float ny, float nz, void* userdata) {
+static bool raycastCallback(Shape* shape, float x, float y, float z, float nx, float ny, float nz, void* userdata) {
   lua_State* L = userdata;
   lua_pushvalue(L, -1);
   luax_pushshape(L, shape);
@@ -35,14 +35,20 @@ static void raycastCallback(Shape* shape, float x, float y, float z, float nx, f
   lua_pushnumber(L, nx);
   lua_pushnumber(L, ny);
   lua_pushnumber(L, nz);
-  lua_call(L, 7, 0);
+  lua_call(L, 7, 1);
+  bool shouldStop = lua_type(L, -1) == LUA_TBOOLEAN && !lua_toboolean(L, -1);
+  lua_pop(L, 1);
+  return shouldStop;
 }
 
-static void queryCallback(Shape* shape, void* userdata) {
+static bool queryCallback(Shape* shape, void* userdata) {
   lua_State* L = userdata;
   lua_pushvalue(L, -1);
   luax_pushshape(L, shape);
-  lua_call(L, 1, 0);
+  lua_call(L, 1, 1);
+  bool shouldStop = lua_type(L, -1) == LUA_TBOOLEAN && !lua_toboolean(L, -1);
+  lua_pop(L, 1);
+  return shouldStop;
 }
 
 static int l_lovrWorldNewCollider(lua_State* L) {
diff --git a/src/modules/physics/physics.c b/src/modules/physics/physics.c
index c4f695a6..5a3138dd 100644
--- a/src/modules/physics/physics.c
+++ b/src/modules/physics/physics.c
@@ -60,11 +60,14 @@ static void customNearCallback(void* data, dGeomID shapeA, dGeomID shapeB) {
 typedef struct {
   RaycastCallback callback;
   void* userdata;
+  bool shouldStop;
 } RaycastData;
 
-static void raycastCallback(void* data, dGeomID a, dGeomID b) {
-  RaycastCallback callback = ((RaycastData*) data)->callback;
-  void* userdata = ((RaycastData*) data)->userdata;
+static void raycastCallback(void* d, dGeomID a, dGeomID b) {
+  RaycastData* data = d;
+  if (data->shouldStop) return;
+  RaycastCallback callback = data->callback;
+  void* userdata = data->userdata;
   Shape* shape = dGeomGetData(b);
 
   if (!shape) {
@@ -75,7 +78,9 @@ static void raycastCallback(void* data, dGeomID a, dGeomID b) {
   int count = dCollide(a, b, MAX_CONTACTS, &contact->geom, sizeof(dContact));
   for (int i = 0; i < count; i++) {
     dContactGeom g = contact[i].geom;
-    callback(shape, g.pos[0], g.pos[1], g.pos[2], g.normal[0], g.normal[1], g.normal[2], userdata);
+    data->shouldStop = callback(
+      shape, g.pos[0], g.pos[1], g.pos[2], g.normal[0], g.normal[1], g.normal[2], userdata
+    );
   }
 }
 
@@ -83,19 +88,25 @@ typedef struct {
   QueryCallback callback;
   void* userdata;
   bool called;
+  bool shouldStop;
 } QueryData;
 
 static void queryCallback(void* d, dGeomID a, dGeomID b) {
-  Shape* shape = dGeomGetData(b);
+  QueryData* data = d;
+  if (data->shouldStop) return;
 
+  Shape* shape = dGeomGetData(b);
   if (!shape) {
     return;
   }
 
-  QueryData* data = d;
   dContactGeom contact;
   if (dCollide(a, b, 1 | CONTACTS_UNIMPORTANT, &contact, sizeof(contact))) {
-    if (data->callback) data->callback(shape, data->userdata);
+    if (data->callback) {
+      data->shouldStop = data->callback(shape, data->userdata);
+    } else {
+      data->shouldStop = true;
+    }
     data->called = true;
   }
 }
@@ -298,7 +309,7 @@ void lovrWorldGetContacts(World* world, Shape* a, Shape* b, Contact contacts[MAX
 }
 
 void lovrWorldRaycast(World* world, float x1, float y1, float z1, float x2, float y2, float z2, RaycastCallback callback, void* userdata) {
-  RaycastData data = { .callback = callback, .userdata = userdata };
+  RaycastData data = { .callback = callback, .userdata = userdata, .shouldStop = false };
   float dx = x2 - x1;
   float dy = y2 - y1;
   float dz = z2 - z1;
@@ -310,7 +321,7 @@ void lovrWorldRaycast(World* world, float x1, float y1, float z1, float x2, floa
 }
 
 bool lovrWorldQueryBox(World* world, float position[3], float size[3], QueryCallback callback, void* userdata) {
-  QueryData data = { .callback = callback, .userdata = userdata, .called = false };
+  QueryData data = { .callback = callback, .userdata = userdata, .called = false, .shouldStop = false };
   dGeomID box = dCreateBox(world->space, fabsf(size[0]), fabsf(size[1]), fabsf(size[2]));
   dGeomSetPosition(box, position[0], position[1], position[2]);
   dSpaceCollide2(box, (dGeomID) world->space, &data, queryCallback);
@@ -319,7 +330,7 @@ bool lovrWorldQueryBox(World* world, float position[3], float size[3], QueryCall
 }
 
 bool lovrWorldQuerySphere(World* world, float position[3], float radius, QueryCallback callback, void* userdata) {
-  QueryData data = { .callback = callback, .userdata = userdata, .called = false };
+  QueryData data = { .callback = callback, .userdata = userdata, .called = false, .shouldStop = false };
   dGeomID sphere = dCreateSphere(world->space, fabsf(radius));
   dGeomSetPosition(sphere, position[0], position[1], position[2]);
   dSpaceCollide2(sphere, (dGeomID) world->space, &data, queryCallback);
diff --git a/src/modules/physics/physics.h b/src/modules/physics/physics.h
index 54a204ed..91954821 100644
--- a/src/modules/physics/physics.h
+++ b/src/modules/physics/physics.h
@@ -26,8 +26,8 @@ typedef Joint HingeJoint;
 typedef Joint SliderJoint;
 
 typedef void (*CollisionResolver)(World* world, void* userdata);
-typedef void (*RaycastCallback)(Shape* shape, float x, float y, float z, float nx, float ny, float nz, void* userdata);
-typedef void (*QueryCallback)(Shape* shape, void* userdata);
+typedef bool (*RaycastCallback)(Shape* shape, float x, float y, float z, float nx, float ny, float nz, void* userdata);
+typedef bool (*QueryCallback)(Shape* shape, void* userdata);
 
 bool lovrPhysicsInit(void);
 void lovrPhysicsDestroy(void);