We are going to build on top of the Lesson 12 code, but you still might want to save it as a new program:

> save NEWNAME.lua
cart NEWNAME.lua saved!

In the sprite editor create more art for decoration. Whatever sea things you can think of!

Now press F3 to go to the MAP EDITOR. It will look weird at first because of all the fish, but you can use the down arrow to choose a brush and the pencil or fill tool to add things. Build out a map for your game here.

In our sprite editor, let's use the "dotted line" color as our transparent color. I'm going to fill-in parts that I want to be transparent with this color.

In the code, we will have to tell the spr function that this black (color #0) is the transparent color:

-- Draw
cls(11)
spr(0,px,py,0)        -- Player
spr(1,bx,by,0)        -- Bubble
spr(2,sx,sy,0)        -- Shark

Now we'll want to make sure to set the background when the game is running. Instead of having cls(11), we can replace this with our map: map(0,0).

-- Draw
map(0,0)
spr(0,px,py,0)        -- Player
spr(1,bx,by,0)        -- Bubble
spr(2,sx,sy,0)        -- Shark
print(pscore,px,py-8)
print(sscore,sx,sy-8)

Now the game looks much nicer!

Make sure to press the CTRL+S key, or press ESC to go to the prompt and type save to save your work! If you want to access the folder with your code, type folder.

If you have a USB flash drive, make sure to copy your file over so you don't lose it when the computer resets!

⬅️ Once you're all done, go back to the course homepage!