Hi. This is a combination of _SNDRAW and _MAPTRIANGLE. The video capture program caused lags when screen capture program, so I had to set lower audio and video quality. The _SNDRAW command is very CPU intensive, or I still can't use it properly. For the creation of this video just a slight modification of my WAV player, which is already posted on the forum and a few lines for _MAPTRIANGLE. If someone want, I can add the source code + link to the music file used. This is the result:
