NetaTaneMenu? >>>> 羊歯

羊歯

左図は，これです。右図は正式なもの。

ソースがこれです。

!--------羊歯の行列の各成分--------- DATA 0.836,0.044,-0.044,0.836,0,0.619 READ a1,b1,c1,d1,e1,f1 DATA -0.144,0.302,0.302,0.141,0,0.127 READ a2,b2,c2,d2,e2,f2 DATA 0.141,-0.302,0.302,0.141,0,0.619 READ a3,b3,c3,d3,e3,f3 DATA 0,0,0,0.175,0,0 READ a4,b4,c4,d4,e4,f4 !----------------基点と範囲-------------- SET POINT STYLE 4 LET px = 1 LET py = 1 SET WINDOW -1,1.1,-1,4 PLOT POINTS: px,py !---------------------------------- FOR i=0 TO 100000

  LET  k = RND
  IF k=<0.7 THEN
     LET px = a1*px+b1*py+e1
     LET py = c1*px+d1*py+f1
  ELSEIF k=<0.8 THEN
     LET px = a2*px+b2*py+e2

LET py = c2*px+d2*py+f2

  ELSEIF k=<0.9 THEN
     LET px = a3*px+b3*py+e3
     LET py = c3*px+d3*py+f3
  ELSE
     LET px = a4*px+b4*py+e4
     LET py = c4*px+d4*py+f4
  END IF
  SET POINT STYLE 1
  SET POINT COLOR 3
  PLOT POINTS: px, py

NEXT i END

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