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lucio

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Program total score is: 181
Output image
WyattGull - 1個月前
U100

Rav Lexis LALUSIN - 2個月前
repeat 8 [pu setcolor random 16 fd 50 pd arc 360 50]

Rav Lexis LALUSIN - 2個月前
[i -350 750 50] [pu setxy :i 0 pd repeat 8 [pu setcolor random 16 fd 50 pd arc 360 50] ] ht

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Basic Commands

向前 X , 前 X

Moves the turtle x points

Example:

forward 50

Explained in lesson:

Logo's turtle

向后 X , 后 X

The turtle back x points

Example:

back 50

向左 X , 左 X

Rotate the turtle left x degrees

Example:

left 90

Explained in lesson:

Logo's turtle

向右 X , 右 X

Rotate the turtle right x degrees

Example:

right 90

Explained in lesson:

Logo's turtle

清屏 , 清屏

Will clear the screen and return the turtle home

Example:

cs

Explained in lesson:

Logo's turtle

changeshape X or STR , csh X or STR

Will change the turtle to another shape accordin to the following 0 = "turtle", 1 = "cat", 2 = "fish", 3 = "dog", 4 = "horse", 5 = "tiger", 6 = "crab", 7 = "snail"

Example:

csh 1 or csh "dog

Explained in lesson:

Turtle world

Controlling the Pen

提笔 , 提笔

Turtle stops leaving a trail

Example:

penup

放笔 , 放笔

The turtle will leave a trail

Example:

pendown

等 X

Will cause the turtle to wait X ( 60ths of seconds ) time before executing the command

Example:

repeat 4 [ wait 10 fd 50]

Explained in lesson:

Hi wait

设置宽度 X

Will set the pen width to X

Example:

setwidth 4 fd 50

Explained in lesson:

The pen width

隐藏海龟 , 隐藏海龟

Hide the turtle

Example:

hideturtle

显示海龟 , 显示海龟

Show the turtle

Example:

ht wait st

复位

Moves the turtle to center, pointing upwards

Example:

home

setx NUM_x

Move turtle to the specified X location

Example:

setx 100

Explained in lesson:

Turtle world

sety NUM_y

Move turtle to the specified Y location

Example:

sety 200

Explained in lesson:

Turtle world

setxy NUM_X NUM_Y

Move turtle to the specified location

Example:

setxy 100 100

Explained in lesson:

Turtle world

设置前进方向 , seth

Rotate the turtle to the specified heading

Example:

sh 145

Explained in lesson:

Turtle world

arc ANGLE RADIUS

Will create an arc distance RADIUS covering ANGLE angle

Example:

ARC 360 5

Explained in lesson:

Turtle world

ellipse WIDTH HEIGHT

Will craete an ellipse width Width and height Height

Example:

ellipse 80 90

pos

Outputs the current turtle position as [ x y ], x or y respectively

Example:

pos

Explained in lesson:

The turtle answer

xcor

Outputs the current turtle position as [ x y ], x or y respectively

Example:

xcor

Explained in lesson:

The turtle answer

ycor

Outputs the current turtle position as [ x y ], x or y respectively

Example:

ycor

Explained in lesson:

The turtle answer

heading

Outputs the current turtle heading

Example:

heading

towards

Outputs the heading towards the specified [ x y ] coordinates

Example:

towards

Explained in lesson:

The turtle answer

Loops and procedure

重复 X [ statements ... ]

Repeat statements X times

Example:

repeat 4 [ fd 50 rt 90]

Explained in lesson:

Loops

重复次数

Outputs the current iteration number of the current repeat or forever

Example:

repeat 4 [ repcount ]

for controllist [ statements ...]

Typical for loop. The controllist specifies three or four members: the local varname, start value, limit value, and optional step size

Example:

for [i 1 10 1] [print :i]

Explained in lesson:

The for loop

到 PROCNAME inputs ... statements ... end

Define a new named procedure with optional inputs

Example:

to TURTLE repeat 4 [ fd 50 rt 90] end

Explained in lesson:

The turtle is learning

make varname expr

Update a variable or define a new global variable. The variable name must be quoted

Example:

make "foo 5

Explained in lesson:

Variables

: VARNAME

access the content of VARNAME

Example:

make "foo 5 repeate :foo [fd 50 rt 360 / :foo]

Lists

列表 thing1 thing2 ...

Create a new list from the inputs

Example:

make "mylist (list "turtle "academy)

Explained in lesson:

Lists

第一個 listname

Outputs the first item from the list

Example:

print first :mylist

Explained in lesson:

Lists

butfirst listname

Outputs all the items of listname except for the first item

Example:

print butfirst :mylist

Explained in lesson:

Accessing the list

最後一個 listname

Outputs the last item from the list

Example:

print last :mylist

Explained in lesson:

Lists

butlast listname

Outputs all the items of listname except for the last item

Example:

print butlast :mylist

Explained in lesson:

Accessing the list

item index listname

Outputs the indexlist item of the list or array

Example:

print item 1 :mylist

Explained in lesson:

Accessing the list

pick index listname

Outputs one item from a list, at random

Example:

print pick :mylist

Explained in lesson:

Accessing the list

Colors

设置颜色 X
Will set the turtle color accroding to the following table
0: 黑色 1: 藍色 2: 綠黃色
3: 青色 4: 紅色 5: 紫紅色
6: 黃色 7: 白色 8: 棕色
9: tan 10: 綠色 11: 碧綠色
12: 淺橙色 13: 紫色 14: 橙色
15: 灰色

Example:

setcolor 1

Explained in lesson:

Colors and printing

设置颜色 [r,g,b]

Will set the turtle color accroding to the amount of red , green and blue

Example:

setcolor [50 100 50]

fill

Does a paint bucket flood fill at the turtle\'s position

Example:

cs repeear 4 [ fd 50 rt 90 ] pu setxy 50 50 pd fill

Explained in lesson:

Background

filled fillcolor [ statements ... ]

Execute statements without drawing but keeping track of turtle movements. When complete, fill the region traced by the turtle with fillcolor and outline the region with the current pen style

Example:

filled "blue [repeat 4 [fd 100 rt 90]]

Explained in lesson:

Background

Math

合計 X Y

Will sum x+y

Example:

print sum 2 3

Explained in lesson:

Variables

减 X Y

return the distance between x and y x-y

Example:

print minus 8 2

隨機 X

Will choose a random number between 0 - (X-1)'

Example:

cs print sum random 10 3

Explained in lesson:

Colors and printing

modulo expr expr

Outputs the remainder (modulus). For remainder and % the result has the same sign as the first input; for modulo the result has the same sign as a the second input.

Example:

cs print modulo 10 3

Control Structure

if expr [statement]

Execute statment if expressoin is true

Example:

if 2>1 [print "hello]

Explained in lesson:

Colors and printing

ifelse expr [statementTrue] [statementFalse]

Execute StatementTrue if tru else execute statementFalse

Example:

ifelse 0>1 [print "true] [print "false]

test expr

Test the specified expression save the result in the local scope for the subsequent use by iftrue iffalse

Example:

test 3>4 iftrue [print "true] iffalse [print "false]

iftrue [statements]

Example:

test 3>4 iftrue [print "true] iffalse [print "false]

iffalse [statements]]

Example:

test 3>4 iftrue [print "true] iffalse [print "false]