add ParticlesPreset

src/presets/ParticlesPreset.cpp

@@ -0,0 +1,20 @@
+#include "ParticlesPreset.hpp"
+
+#include "data/dv_util.hpp"
+
+dv::value ParticlesPreset::serialize() const {
+    auto root = dv::object();
+    root["collision"] = collision;
+    root["lighting"] = lighting;
+    root["max_distance"] = maxDistance;
+    root["acceleration"] = dv::to_value(acceleration);
+    return root;
+}
+
+void ParticlesPreset::deserialize(const dv::value& src) {
+    src.at("collision").get(collision);
+    src.at("lighting").get(lighting);
+    if (src.has("acceleration")) {
+        dv::get_vec(src["acceleration"], acceleration);
+    }
+}