Difference between revisions of "Turtle Tutorial"
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Revision as of 10:37, 11 July 2012
This tutorial will teach you the functions of the Turtle API, and also will teach you how to make your first turtle program. by: rockymc
Turtle
The Turtle API is used to work with your Turtles. Here is a list of the complete Turtle API.
| Method name | Description |
|---|---|
| turtle.forward() | Let the Turtle move forward |
| turtle.back() | Let the Turtle move back |
| turtle.up() | Let the Turtle move up |
| turtle.down() | Let the Turtle move down |
| turtle.turnLeft() | The Turtle turns left |
| turtle.turnRight() | The Turtle turns right |
| turtle.select( slotNum ) | The Turtle selects the given Slot (1 is top left, 9 is bottom right) |
| turtle.getItemCount( slotNum ) | Counts how many items are in the given Slot |
| turtle.getItemSpace( slotNum ) | Counts how many items you need to fill the stack in the given Slot |
| turtle.dig() | Breaks the Block in front |
| turtle.digUp() | Breaks the Block above |
| turtle.digDown() | Breaks the Block below |
| turtle.place() | Places a Block of the selected Slot in front |
| turtle.placeUp() | Places a Block of the selected Slot above |
| turtle.placeDown() | Places a Block of the selected Slot below |
| turtle.detect() | Detects if there is a Block in front |
| turtle.detectUp() | Detects if there is a Block above |
| turtle.detectDown() | Detects if there is a Block below |
| turtle.drop() | Drops everything of the selected Slot |
For our program, we will use turtle.detectDown(), turtle.digDown(), turtle.down() and turtle.forward(). It is recommended that you learn what method does what before messing up with Turtles.
The Program
So, for you to make the Turtle program, first craft a Turtle.
Then make a Mining Turtle.
Then, place it anywhere you want. Right click it and type 'edit MyFirstTurtleProgram', you don't have to call it 'MyFirstTurtleProgram' it can be whatever you want.
So, inside the file, type:
while turtle.detectDown() do
print("Digging down!")
turtle.digDown()
print("Going down!")
turtle.down()
print("Digging forward!")
turtle.dig()
print("Going forward!")
turtle.forward()
end
To save the program, press CTRL and select SAVE with the Arrow Keys. After that, type MyFirstTurtleProgram (or whatever you called your program).
If you want a spiral drill formation that allows you to be able to retrieve the turtle after its done mining, do the same as above but when editing the program type:
while turtle.detectDown() do turtle.dig() turtle.digDown() turtle.down() turtle.dig() turtle.forward() turtle.turnLeft() end
Explanation
The line while turtle.detectDown() do makes the program run until there is no block underneath the Turtle.
The turtle.digDown() will make the Turtle dig down.
The part where it says turtle.forward() will make the Turtle go forward.
The line that says turtle.dig() will make the Turtle dig forward.
NOTE: this should be running on a mining turtle, or it wont work!
