GL Example 1

usingUnityengine;usingSystem.Collections; Public classjoint{ PublicVector3 org;  PublicVector3 end;} Public classexample:monobehaviour{Event E; PrivateVector3 Orgpos; PrivateVector3 Endpos; Private BOOLCandrawlines =false;    ArrayList posal;    ArrayList Temppos;  PublicMaterial linematerial; voidStart () {Temppos=NewArrayList (); Posal=NewArrayList (); }    voidUpdate () {if(Input.getmousebutton (0) ) {Candrawlines=true; }        if(E.type! =NULL&candrawlines) {              if(E.type = =eventtype.mousedown) {Orgpos=input.mouseposition; Endpos=input.mouseposition; }              if(E.type = =Eventtype.mousedrag) {Endpos=input.mouseposition; //storing mouse position information in an arrayTemppos.                ADD (input.mouseposition);                  Gldrawline (Orgpos, endpos); Orgpos=input.mouseposition; Print (Temppos.            Count); }              if(E.type = =eventtype.mouseup) {//orgpos=input.mouseposition; Endpos =input.mouseposition; }          }              }        voidGldrawline (Vector3 Beg, Vector3 end) {if(!candrawlines)return; Gl.          Pushmatrix (); Gl.                  Loadortho (); beg.x= beg.x/Screen.width; End.X= End.X/Screen.width; Beg.y= BEG.Y/Screen.height; End.y= END.Y/Screen.height; Joint Tmpjoint=NewJoint (); Tmpjoint.org=Beg; Tmpjoint.end=end;                  Posal.add (Tmpjoint); Linematerial.setpass (0); Gl. Begin (GL.          LINES); Gl. Color (NewColor (1,1,1,0.5f));  for(intI=0; i<posal.count; i++) {Joint TJ=(joint) posal [i]; Vector3 Tmpbeg=tj.org; Vector3 Tmpend=Tj.end; Gl.              Vertex3 (tmpbeg.x, Tmpbeg.y, tmpbeg.z); Gl.          Vertex3 (Tmpend.x, Tmpend.y, tmpend.z); } GL.          End (); Gl.      Popmatrix (); }        voidOngui () {e=event.current; if(GUI. Button (NewRect ( Max,0, -, -),"End Lines") ) {clearlines (); }      }    voidClearlines () {Candrawlines=false;      Posal.clear (); }        voidOnpostrender () {gldrawline (Orgpos, endpos); }   }

GL Example 1