Ya3dag is based on the quake 2 modification Quake2maX and the lazarus game dll. Want to create your own levels? Well, you've come to the right place. Ya3dag has a built-in "what you see is what you get" level-editor and has been specifically designed for rapid level creation. Terrain, smart NPC's, weather, physic simulation, ...
The 'apply changes' button got visual feedback. If there are pending changes, a text 'changed settings' in read and flashing is displayed at the right of the menu point. If there are no pending changes the text 'no changed settings' in gray is displayed.
This image also shows an enlarged ruler (touch screen support).