remove unnecessary 'new' operators

src/graphics/core/LineBatch.hpp

@@ -9,7 +9,7 @@ class Mesh;
 
 class LineBatch {
     std::unique_ptr<Mesh> mesh;
-    float* buffer;
+    std::unique_ptr<float[]> buffer;
     size_t index;
     size_t capacity;
 public:
@@ -20,13 +20,13 @@ public:
         line(a.x, a.y, a.z, b.x, b.y, b.z, color.r, color.g, color.b, color.a); 
     }
     void line(float x1, float y1, float z1, float x2, float y2, float z2,
-            float r, float g, float b, float a);
+              float r, float g, float b, float a);
     void box(float x, float y, float z, float w, float h, float d,
-            float r, float g, float b, float a);
+             float r, float g, float b, float a);
 
     inline void box(glm::vec3 xyz, glm::vec3 whd, glm::vec4 rgba) {
         box(xyz.x, xyz.y, xyz.z, whd.x, whd.y, whd.z,
-                   rgba.r, rgba.g, rgba.b, rgba.a);
+            rgba.r, rgba.g, rgba.b, rgba.a);
     }
 
     void render();