implementing color wheel and new color picker

engine/asset.cpp

@@ -117,6 +117,17 @@ std::vector<std::string> Asset::list_files(std::string folder, bool is_asset, co
     return names;
 }
 
+std::string Asset::absolute(const std::string& path)
+{
+#ifdef __APPLE__
+    NSString* bundle_path = [[NSBundle mainBundle] resourcePath];
+    std::string base = [bundle_path cStringUsingEncoding:1];
+    return base + "/" + path;
+#else
+    return path;
+#endif
+}
+
 bool Asset::open(const char* path)
 {
     //LOG("Asset::open %s", path);