build: more emscripten build fixes.

test/Makefile.am

@@ -43,8 +43,9 @@ btphystest_SOURCES = \
 btphystest_CPPFLAGS = $(AM_CPPFLAGS) -I$(top_srcdir)/src/bullet \
     -DHAVE_PHYS_USE_BULLET
 btphystest_DEPENDENCIES = @LOL_DEPS@
+btphystest_LDFLAGS = $(AM_LDFLAGS)
 if USE_EMSCRIPTEN
-btphystest_LDFLAGS = --preload-file data/CatsSheet.png
+btphystest_LDFLAGS += --preload-file data
 endif
 
 meshviewer_SOURCES = meshviewer.cpp \

test/btphystest.cpp

@@ -21,7 +21,7 @@ using namespace lol;
 #include "physics/lolphysics.h"
 #include "physics/easyphysics.h"
 
-#define CAT_MODE        0
+#define CAT_MODE        1
 #define OBJ_SIZE        2.f
 #include "physicobject.h"