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Turtle tutorial step text continuity (#1514)

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Galen Nickel
2018-10-24 12:02:31 -07:00
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docs/projects/turtle-square.md
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@ -2,12 +2,11 @@
## Introduction @unplugged
Imagine that a virtual turtle, as big as an LED, that you can control it with commands.
In this tutorial, you will learn to use the turtle and draw a square.
Imagine that there's a virtual turtle, as small as an LED, that you can control with commands. In this tutorial, you will learn to use the turtle and draw a square.
## Moving the turtle @fullscreen
The turtle starts in the center of the screen facing up. Place a ``||turtle:forward||`` block to make it move up.
The turtle starts in the center of the screen heading upward. Place a ``||turtle:forward||`` block to make it move up.
```blocks
turtle.forward(1)
@ -25,10 +24,9 @@ turtle.forward(1)
## Drawing a square
If you add enough ``||turtle:turnRight||`` and ``||turtle:forward||`` block, the turtle
will eventually draw a square.
If you add enough ``||turtle:turnRight||`` and ``||turtle:forward||`` blocks, the turtle will eventually draw a square.
You can move the blocks in a ``||input:on button pressed||`` to easily run the code again.
You can move the blocks into a ``||input:on button pressed||`` to easily run the code again.
```blocks
input.onButtonPressed(Button.A, function() {
@ -43,10 +41,9 @@ input.onButtonPressed(Button.A, function() {
})
```
## "For" is for repetition
## "for" is for repetition
Have you notice the repetition pattern in the blocks needed to draw a square?
Try to use a ``for`` loop to achieve the same effect.
Did you notice the pattern of repeated blocks needed to draw a square? Try using a ``for`` loop to achieve the same effect.
```blocks
input.onButtonPressed(Button.A, function() {
@ -57,11 +54,9 @@ input.onButtonPressed(Button.A, function() {
})
```
## Leaving a trail
The turtle holds a pen that turns on LEDs. If you add the ``||turtle:pen||`` block,
it will leave a trail as it moves.
The turtle holds a **pen** that can turn on LEDs. If you add the ``||turtle:pen||`` block, it will leave a trail as the turtle moves.
```blocks
input.onButtonPressed(Button.A, function() {