Separate engine and game

engine/tests/CMakeLists.txt

@@ -0,0 +1,4 @@
+project(BreezeTests)
+
+add_executable(window_test window_test.c)
+target_link_libraries(window_test LINK_PRIVATE Breeze)

engine/tests/window_test.c

@@ -0,0 +1,14 @@
+#include <breeze.h>
+
+#include <raylib.h>
+
+void render(float dt, int *game) {
+    ClearBackground(WHITE);
+    BeginDrawing();
+    EndDrawing();
+}
+
+bool bzMain(BzAppDesc *appDesc, int argc, const char **argv) {
+    appDesc->render = (BzAppRenderFunc) render;
+    return true;
+}