refactor Entities

src/objects/Transform.hpp

@@ -0,0 +1,43 @@
+#pragma once
+
+#define GLM_ENABLE_EXPERIMENTAL
+
+#include <glm/vec3.hpp>
+#include <glm/mat4x4.hpp>
+#include <glm/gtx/norm.hpp>
+#include <data/dv_fwd.hpp>
+
+struct Transform {
+    static inline constexpr float EPSILON = 0.0000001f;
+    glm::vec3 pos;
+    glm::vec3 size;
+    glm::mat3 rot;
+    glm::mat4 combined;
+    bool dirty = true;
+
+    glm::vec3 displayPos;
+    glm::vec3 displaySize;
+
+    dv::value serialize() const;
+
+    void refresh();
+
+    inline void setRot(glm::mat3 m) {
+        rot = m;
+        dirty = true;
+    }
+
+    inline void setSize(glm::vec3 v) {
+        if (glm::distance2(displaySize, v) >= EPSILON) {
+            dirty = true;
+        }
+        size = v;
+    }
+
+    inline void setPos(glm::vec3 v) {
+        if (glm::distance2(displayPos, v) >= EPSILON) {
+            dirty = true;
+        }
+        pos = v;
+    }
+};