| 29 | t.forward( (1.0 * distance)/parts ) |
| 30 | |
| 31 | def tree(tlist, size, level, widthfactor, branchlists, angledist=10, sizedist=5): |
| 32 | # benutzt Liste von turtles und Liste von Zweiglisten, |
| 33 | # fuer jede turtle eine! |
| 34 | if level > 0: |
| 35 | lst = [] |
| 36 | brs = [] |
| 37 | for t, branchlist in list(zip(tlist,branchlists)): |
| 38 | t.pensize( size * widthfactor ) |
| 39 | t.pencolor( 255 - (180 - 11 * level + symRandom(15)), |
| 40 | 180 - 11 * level + symRandom(15), |
| 41 | 0 ) |
| 42 | t.pendown() |
| 43 | randomfd(t, size, level, angledist ) |
| 44 | yield 1 |
| 45 | for angle, sizefactor in branchlist: |
| 46 | t.left(angle) |
| 47 | lst.append(t.clone()) |
| 48 | brs.append(randomize(branchlist, angledist, sizedist)) |
| 49 | t.right(angle) |
| 50 | for x in tree(lst, size*sizefactor, level-1, widthfactor, brs, |
| 51 | angledist, sizedist): |
| 52 | yield None |
| 53 | |
| 54 | |
| 55 | def start(t,x,y): |