Nullsoft AVS Preset 0.240Powersource - history version by el-vis 2002. $$xp=if(below(xp,-1),1,xp-dx);yp=if(below(xp,-1),yp-dy,yp); x=xp;y=yp;a=cos(xp*c+frc)+sin(yp*d+frd); red=a;blue=-a*(0.5*bt+1);green=-a*(0.5-bt)frc=frc+bfc;frd=frd+bfd;c=if(equal(cb,c),cb,c+cd);d=if(equal(db,d),db,d+dd);nx=w/4;ny=h/4;n=nx*ny+nx+nx+10;dx=2/nx;dy=2/ny;xp=1;yp=1jcb=rand(50)+1;cd=(cb-c)/10;db=rand(50)+1;dd=(db-d)/10;;bt=-bt;bfc=rand(100)/100-0.5;bfd=rand(100)/100-0.5%n=1000;p=acos(-1);t=0;xp=1;yp=1;bt=1,,+KOx1=x+fx;y1=y+fy;z=2.5+1.5*y; x2=x1*zc-y1*zs;y2=y1*zc+x1*zs; x=x2/z;y=y2/z; irad=rad+bt*0.02; zs=sin(rad);zc=cos(rad); frx=frx+bfx;fx=0.7*sin(frx); fry=fry+bfy;fy=0.7*sin(fry); Xct=if(equal(ct,7),0,ct+1);bt=if(equal(ct,0),-bt,bt); bfx=rand(10)/100;bfy=rand(10)/100 bt=1;ct=0