coding standard, added comments

libraries/entities/src/SphereEntityItem.cpp

@@ -111,8 +111,11 @@ bool SphereEntityItem::findDetailedRayIntersection(const glm::vec3& origin, cons
     glm::vec3 entityFrameDirection = glm::normalize(glm::vec3(worldToEntityMatrix * glm::vec4(direction, 1.0f)));
 
     float localDistance;
+    // NOTE: unit sphere has center of 0,0,0 and radius of 0.5
     if (findRaySphereIntersection(entityFrameOrigin, entityFrameDirection, glm::vec3(0.0f), 0.5f, localDistance)) {
+        // determine where on the unit sphere the hit point occured
         glm::vec3 entityFrameHitAt = entityFrameOrigin + (entityFrameDirection * localDistance);
+        // then translate back to work coordinates
         glm::vec3 hitAt = glm::vec3(entityToWorldMatrix * glm::vec4(entityFrameHitAt, 1.0f));
         distance = glm::distance(origin,hitAt);
         return true;