Add phys2d raycasting

Makefile

@@ -14,6 +14,11 @@ OPT ?= 0
 INFO :=
 LD = $(CC)
 
+STEAM = steam/sdk
+STEAMAPI = steam_api
+
+LDFLAGS += -Wl,-rpath=./
+
 ifeq ($(CC), x86_64-w64-mingw32-gcc)
   AR = x86_64-w64-mingw32-ar
 endif
@@ -93,7 +98,9 @@ endif
 INFO :=$(INFO)_$(ARCH)
 
 ifeq ($(OS), Windows_NT) # then WINDOWS
+	PLATFORM := win64
   DEPS += resource.o
+	STEAMAPI := steam_api64
   LDFLAGS += -mwin32 -static
   CPPFLAGS += -mwin32
   LDLIBS += mingw32 kernel32 d3d11 user32 shell32 dxgi gdi32 ws2_32 ole32 winmm setupapi m pthread
@@ -122,6 +129,7 @@ else
   UNAME != uname -s
   ifeq ($(UNAME), Linux) # then LINUX
     OS := Linux
+		PLATFORM := linux64
     LDFLAGS += -pthread -rdynamic
     LDLIBS += GL pthread c m dl X11 Xi Xcursor EGL asound
 		INFO :=$(INFO)_linux
@@ -147,7 +155,6 @@ OBJS := $(patsubst %.cpp, %$(INFO).o, $(OBJS))
 OBJS := $(patsubst %.c, %$(INFO).o,$(OBJS))
 OBJS := $(patsubst %.m, %$(INFO).o, $(OBJS))
 
-STEAM = steam/sdk
 
 engineincs != find source/engine -maxdepth 1 -type d
 includeflag != find source -type d -name include
@@ -163,7 +170,7 @@ NAME = $(APP)$(INFO)$(EXT)
 SEM != git describe --tags --abbrev=0
 COM != git rev-parse --short HEAD
 
-LDLIBS += steam_api
+LDLIBS += $(STEAMAPI)
 LDLIBS := $(addprefix -l, $(LDLIBS))
 LDPATHS := $(STEAM)/redistributable_bin/$(PLATFORM)
 LDPATHS := $(addprefix -L, $(LDPATHS))

scripts/components.js

@@ -116,7 +116,6 @@ Object.mixin(os.sprite(true), {
       stop = sp.gameobject.delay(advance, playing.frames[f].time);
     }
     this.tex(game.texture(playing.path));
-    console.info(`playing anim: ${json.encode(playing)}`);
     advance();
   },
   stop() {

source/engine/2dphysics.c

@@ -69,7 +69,7 @@ void bbhit(cpShape *shape, int *data)
   qhit++;
 }
 
-static cpShapeFilter ff = {
+cpShapeFilter allfilter = {
   .group = CP_NO_GROUP,
   .mask = CP_ALL_CATEGORIES,
   .categories = CP_ALL_CATEGORIES,
@@ -79,7 +79,7 @@ int query_point(HMM_Vec2 pos)
 {
   qhit = 0;
 //  cpSpacePointQuery(space, pos.cp, 0, filter, qpoint, &qhit);
-  cpSpaceBBQuery(space, cpBBNewForCircle(pos.cp, 2), ff, bbhit, &qhit);
+  cpSpaceBBQuery(space, cpBBNewForCircle(pos.cp, 2), allfilter, bbhit, &qhit);
   return qhit;
 }
 

source/engine/2dphysics.h

@@ -17,6 +17,8 @@ extern struct rgba kinematic_color;
 extern struct rgba static_color;
 extern struct rgba sleep_color;
 
+extern cpShapeFilter allfilter;
+
 typedef struct constraint {
   cpConstraint *c;
   JSValue break_cb; /* function called when it is forcibly broken */
@@ -102,6 +104,7 @@ void phys2d_edge_set_enabled(struct phys2d_edge *edge, int enabled);
 void phys2d_init();
 void phys2d_update(float deltaT);
 cpShape *phys2d_query_pos(cpVect pos);
+void phys2d_query_ray(HMM_Vec2 start, HMM_Vec2 end, float radius, cpShapeFilter filter, JSValue cb);
 gameobject **phys2d_query_box(HMM_Vec2 pos, HMM_Vec2 wh);
 
 struct shape_cb {

source/engine/jsffi.c

@@ -1079,11 +1079,28 @@ JSC_CCALL(physics_collide_rm, phys2d_rm_go_handlers(js2gameobject(argv[0])))
 JSC_CCALL(physics_collide_separate, js2gameobject(argv[1])->cbs.separate = JS_DupValue(js,argv[0]))
 JSC_CCALL(physics_collide_shape, gameobject_add_shape_collider(js2gameobject(argv[1]), JS_DupValue(js,argv[0]), js2ptr(argv[2])))
 
+static void ray_query_fn(cpShape *shape, float t, cpVect n, float a, JSValue *cb)
+{
+  JSValue argv[3] = {
+    JS_DupValue(js, shape2go(shape)->ref),
+    vec22js((HMM_Vec2)n),
+    number2js(a)
+  };
+  script_call_sym(*cb, 3, argv);
+  for (int i = 0; i < 3; i++)
+    JS_FreeValue(js, argv[i]);
+}
+
+JSC_CCALL(physics_ray_query,
+  cpSpaceSegmentQuery(space, js2vec2(argv[0]).cp, js2vec2(argv[1]).cp, js2number(argv[2]), allfilter, ray_query_fn, &argv[3]);
+);
+
 static const JSCFunctionListEntry js_physics_funcs[] = {
   MIST_FUNC_DEF(physics, sgscale, 2),
   MIST_FUNC_DEF(physics, set_cat_mask, 2),
   MIST_FUNC_DEF(physics, box_query, 2),
   MIST_FUNC_DEF(physics, pos_query, 2),
+  MIST_FUNC_DEF(physics, ray_query, 2),
   MIST_FUNC_DEF(physics, box_point_query, 3),
   MIST_FUNC_DEF(physics, query_shape, 1),
   MIST_FUNC_DEF(physics, closest_point, 3),