Lines Matching refs:da
928 function draw_beams(bm){var s,i,beam_dir,shift,bshift,bstub,bh,da,k,k1,k2,x1,s1=bm.s1,s2=bm.s2
941 bh=-bh;draw_beam(s1.xs-shift,s2.xs+shift,0,bh,bm,1);da=0
949 if(s1.feathered_beam){da=bshift/(s2.xs-s1.xs)
950 if(s1.feathered_beam>0){da=-da;bshift=da*s1.xs}else{bshift=da*s2.xs}
951 da=da*beam_dir}
954 if(da!=0)
955 bm.a+=da