Hi everyone !
_ I met a problem with sun flare len in my project. When i used c_trace (or trace) to find that did the sun and camera hit any entity ?, but the c_trace didn't caculate correct . it caculated on the Cube of the Model!
look picture :

The model is between camera and the sun. but the result of c_trace is zero

and we can see the sun flare
When the Cube of Model (Double press F11 - the blue buce will appear) is between the camera and sun, c_trace calculate correct. !

see Image clearly :
http://i284.photobucket.com/albums/ll15/hisinhvien/Trace1.jpghttp://i284.photobucket.com/albums/ll15/hisinhvien/Trace2.jpgwould someone help me about that sun falre ?
You can Download my Project with such problem here :
http://www.mediafire.com/download.php?t2wrtnym2mt