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| figure 1 |
It builds on ideas from the book Adventures in Minecraft (see link at the bottom) on using Python and Minecraft using a Raspberry Pi.
1. Static X-Wing
To start with we just placed the X-Wing above the player by placing blocks in the shape (roughly) of the X-Wing.
- Find the position of the player;
- To avoid building on top the player the starting position of the X-Wing is set by:
- add 5 to the x position of the player;
- add 10 to the y position of the player(The bit I have to keep reminding myself is the y-axis is vertical.);
- add 5 to the z position of the player;
- Using these values build using, Wool blocks, the X-Wing - 0 for white, and 14 for red blocks.
It is admittedly quite a simple code (see below) and the finished X-Wing can be seen in figure 1.
from mcpi.minecraft import Minecraft
from mcpi import block
mc=Minecraft.create()
pos=mc.player.getTilePos()
x=pos.x+5
y=pos.y+10
z=pos.z+5
mc.setBlock(x,y,z,block.WOOL.id,0)
mc.setBlock(x-1,y,z,block.WOOL.id,0)
mc.setBlock(x-2,y,z,block.WOOL.id,14)
mc.setBlock(x-3,y,z,block.WOOL.id,0)
mc.setBlock(x+1,y,z,block.WOOL.id,0)
mc.setBlock(x,y+1,z,block.WOOL.id,0)
mc.setBlock(x+1,y+1,z,block.WOOL.id,0)
mc.setBlock(x+2,y,z,block.WOOL.id,0)
mc.setBlock(x+2,y+1,z,block.WOOL.id,0)
#wings
mc.setBlock(x+1,y+2,z-1,block.WOOL.id,14)
mc.setBlock(x+1,y+2,z+1,block.WOOL.id,14)
mc.setBlock(x+1,y-1,z-1,block.WOOL.id,14)
mc.setBlock(x+1,y-1,z+1,block.WOOL.id,14)
mc.setBlock(x+1,y+3,z-2,block.WOOL.id,0)
mc.setBlock(x+1,y+3,z+2,block.WOOL.id,0)
mc.setBlock(x+1,y-2,z-2,block.WOOL.id,0)
mc.setBlock(x+1,y-2,z+2,block.WOOL.id,0)
2. Get it to move.
We want it to move across the screen, for the moment, happy for it to just be animated.
The block approach is ok for the static version, but could lead to mistakes with getting the co-ordinates right if we were not careful. There is an other option to be found in chapter 8 of the book of using MinecraftShape were the shape is defined as relative values to a starting block, so for what we were doing they don't change but the shape can move in across the world.
- Essentially the same as before but using shape;
- place the shape in the world;
- move it vertical (looks like it is taking off);
- move it horizontal (this bit can be seen in the video).
from mcpi.minecraft import Minecraft
from mcpi import block
import mcpi.minecraftstuff as minecraftstuff
import time
mc=Minecraft.create()
xPos=mc.player.getTilePos()
xPos.x=xPos.x+5
xPos.y=xPos.y+5
xPos.z=xPos.z+5
xWingBlocks=[
minecraftstuff.ShapeBlock(0,0,0,block.WOOL.id,0),
minecraftstuff.ShapeBlock(-1,0,0,block.WOOL.id,0),
minecraftstuff.ShapeBlock(-2,0,0,block.WOOL.id,14),
minecraftstuff.ShapeBlock(-3,0,0,block.WOOL.id,0),
minecraftstuff.ShapeBlock(1,0,0,block.WOOL.id,0),
minecraftstuff.ShapeBlock(0,1,0,block.WOOL.id,0),
minecraftstuff.ShapeBlock(1,1,0,block.WOOL.id,0),
minecraftstuff.ShapeBlock(2,0,0,block.WOOL.id,0),
minecraftstuff.ShapeBlock(2,1,0,block.WOOL.id,0),
minecraftstuff.ShapeBlock(1,2,-1,block.WOOL.id,14),
minecraftstuff.ShapeBlock(1,2,1,block.WOOL.id,14),
minecraftstuff.ShapeBlock(1,-1,-1,block.WOOL.id,14),
minecraftstuff.ShapeBlock(1,-1,1,block.WOOL.id,14),
minecraftstuff.ShapeBlock(1,3,-2,block.WOOL.id,0),
minecraftstuff.ShapeBlock(1,3,2,block.WOOL.id,0),
minecraftstuff.ShapeBlock(1,-2,-2,block.WOOL.id,0),
minecraftstuff.ShapeBlock(1,-2,2,block.WOOL.id,0)]
xWingShape=minecraftstuff.MinecraftShape(mc,xPos,xWingBlocks)
for count in range(1,20):
time.sleep(0.1)
xWingShape.moveBy(0,1,0)
for count in range(1,40):
time.sleep(0.1)
xWingShape.moveBy(-1,0,0)
xWingShape.clear()
The very shaky video below shows the X-Wing moving across the sky.
3. Where next
Two areas:
- Control: either through keys or by using external controls.
- Getting turning to work, we will looking into where this has already been done (and for Star Wars ) at http://www.stuffaboutcode.com/2015/03/minecraft-star-wars.html and http://www.stuffaboutcode.com/2015/12/minecraft-microbit-and-x-wing.html
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