🐢 B4XTurtle - Library for teachers and parents

ilan · Apr 28, 2020

LucaMs said:
Again ?

ilan said:
be as short as possible

LucaMs · Apr 28, 2020

ilan said:
be as short as possible

Why?

?

Erel · Apr 28, 2020

Semi-solution:

B4X:

Sub DrawWave
    For i = 1 To 10000
        Turtle.MoveForward(0.1).TurnLeft(CosD(i))
    Next
End Sub

LucaMs · Apr 28, 2020

Erel said:
Semi-solution:

B4X:

Sub DrawWave For i = 1 To 10000 Turtle.MoveForward(0.1).TurnLeft(CosD(i)) Next End Sub

Just playing, without thinking (but sleeping ? ), I tried to add the ray:

B4X:

Sub DrawWave(r As Float)
    Turtle.SetX(10).SetAngle(0).SetSpeedFactor(2)
'    For i = 1 To Turtle.Width - 20
    For i = 1 To 5000
'        Turtle.MoveForward(0.1).TurnLeft(CosD(i))
        Turtle.MoveForward(1).TurnLeft(CosD(i) * r)
    Next
End Sub

Result?

?

rabbitBUSH · Apr 28, 2020

I think you guys have been in LOCKDOWN too long : you're going in circles . . . .

at least if these were squares you could measure the paces from one corner of the lounge to the other to the other to the other to the other to the other [recursive]

I think you need to get my lockdown converter from that other post last week - you'll see a nominal time to lease from the circular motion (is it Brownian Motion I wonder)...

? ?

PS it took me a long time to remember how to calculate the area of a circle yesterday : so as they say in Dragons Den "I'm Out".

?

rabbitBUSH · Apr 28, 2020

B4Xers : Your next mission challenge, should you decide to accept it Mr Hunt, is to simulate Brownian Motion using Turtle Library from @Erel in Isreal. This message will self destruct in moments.

Because he has been appointed official Judge of the best solution @Erel is disqualified (and he ALSO has the inside track on use of the library ?).

The hero gets to run away with the lead actress / actor - (still to be cast in the role - suggestions welcome)
? or?

Erel · Apr 28, 2020

Update:
v1.02 - Fill, Arc and RandomColor

Erel · Apr 30, 2020

v1.03 - Multiple layers and other improvements.

Erel · May 4, 2020

v1.04 - Fixes an issue with Fill which can cause the program to hang.

Erel · May 5, 2020

v1.05 - Fixes an issue where the turtle could disappear when moving outside of the visible area, instead of appearing on the other side.

JoeInvestiga · May 8, 2020

Sub Process_Globals
Private fx As JFX
Private MainForm As Form
Private xui As XUI 'ignore
Private Turtle As B4XTurtle
End Sub

Which is it the Libraries for: Private Turtle As B4XTurtle. Because in code is Error. And, en other lines too.
Libraries used: JCore (Version 7.51); JFX (Version 7.50); XUI views (Version 2.23)

Thanks.

Erel · May 8, 2020

The library is attached for the first post: B4XTable.b4xlib. You need to configure the "additional libraries folder" under Tools - Configure Paths and put it there.

In the future it will be an internal library.

Erel · May 13, 2020

v1.06 - New StartPolygon and FillPolygon methods - better alternative, in most cases, to the Fill method.

Example: https://www.b4x.com/android/forum/t...s-for-teachers-and-parents.116979/post-736330

LucaMs · May 16, 2020

Erel, do you think you will also do something like this:
https://www.b4x.com/android/forum/threads/xui2d-mouse-following-a-path.98895/post-622821
(I must admit that I have not searched well, perhaps you have already done it)?

I have an extravagant idea in this regard.

Erel · May 16, 2020

B4XTurtle is not an alternative to XUI2D. If you want to create a "real" game then use XUI2D.
B4XTurtle focuses on simplicity.

Check this example: https://www.b4x.com/android/forum/t...s-for-teachers-and-parents.116979/post-731339

LucaMs · May 16, 2020

Erel said:
If you want to create a "real" game then use XUI2D.

No, no games or apps. As I wrote, I have an extravagant idea to "apply" to your turtle.
Perhaps what you have indicated may suffice.

Thank you.

(A clue about the idea:

ARGB: 255, 255, 254, 254 (cat color, on white background)

Blueforcer · May 18, 2020

Funny Lib!
I haven't found a special usecase yet, but the Gcode of a 3D printer came directly to my mind and i created a gcode reader/simulator (very Quick&Dirty and may crash with different Slicers)

sorex · May 26, 2020

I didn't had the time yet to have a look at this retro style programming/drawing tool.

But as I had to wait for some stuff to complete at work I though I'd give it a try.

It's easy to use even for regular drawings and the rabbit mode is extremely fast.

here's another example of what can be done with it... backflipper

only using rabbitmode,clearscreen,setPenSize,setPenColor,penUp,penDown,setX,setY,moveTo in an endless loop with sleep(1000/60) in it

Erel · May 26, 2020

sorex said:
here's another example of what can be done with it

This is impossible. Post the code.

Star-Dust · May 26, 2020

sorex said:
I didn't had the time yet to have a look at this retro style programming/drawing tool.

But as I had to wait for some stuff to complete at work I though I'd give it a try.

It's easy to use even for regular drawings and the rabbit mode is extremely fast.

here's another example of what can be done with it... backflipper

only using rabbitmode,clearscreen,setPenSize,setPenColor,penUp,penDown,setX,setY,moveTo in an endless loop with sleep(1000/60) in it

View attachment 94740

It looks like my 3D library

🐢 B4XTurtle - Library for teachers and parents

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