Started worm sprite + got the rendering sorted out

src/entities/enemies/worm.lua

@@ -11,6 +11,25 @@ Worm.__index = Worm
 
 local directions = { { 0, -1 }, { 1, 0 }, { 0, 1 }, { -1, 0 } }
 
+local atlas = love.graphics.newImage 'assets/images/worm.png'
+local wormQuads = {
+    love.graphics.newQuad(1 * TILE_SIZE, 1 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- head/tail
+    love.graphics.newQuad(0 * TILE_SIZE, 2 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- n
+    love.graphics.newQuad(1 * TILE_SIZE, 2 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- e
+    love.graphics.newQuad(2 * TILE_SIZE, 1 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- ne
+    love.graphics.newQuad(0 * TILE_SIZE, 1 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- s
+    love.graphics.newQuad(1 * TILE_SIZE, 0 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- v
+    love.graphics.newQuad(2 * TILE_SIZE, 0 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- se
+    nil,
+    love.graphics.newQuad(2 * TILE_SIZE, 2 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- w
+    love.graphics.newQuad(3 * TILE_SIZE, 1 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- nw
+    love.graphics.newQuad(0 * TILE_SIZE, 0 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- h
+    nil,
+    love.graphics.newQuad(3 * TILE_SIZE, 0 * TILE_SIZE, TILE_SIZE, TILE_SIZE, atlas:getDimensions()), -- sw
+
+}
+local spriteBatch = love.graphics.newSpriteBatch(atlas)
+
 function Worm.new(game)
     setmetatable(Worm, { __index = LoveNode })
     local self = setmetatable(LoveNode.new(), Worm)
@@ -46,11 +65,45 @@ end
 
 function Worm:draw()
     -- Draw worm body
-    love.graphics.setColor(0.88, 0.22, 0.88)
-    for _, node in ipairs(self.tail) do
+    love.graphics.setColor(1, 1, 1)
+    spriteBatch:clear()
+    for i, node in ipairs(self.tail) do
         local x, y = unpack(node)
-        local cx, cy = x + (self.size.w / 2), y + (self.size.h / 2)
-        love.graphics.circle('fill', cx, cy, TILE_SIZE / 2)
+
+
+        if #self.tail == 1 then
+            -- Draw head/tail alone
+            spriteBatch:add(wormQuads[1], math.floor(x), math.floor(y))
+        else
+            -- Count neighbors
+            local spriteIndex = 0
+            local function findNeighbor(index)
+                if index < 1 or index > #self.tail then return end
+                local tx, ty = unpack(self.tail[index])
+                local dx, dy = (tx - x) / TILE_SIZE, (ty - y) / TILE_SIZE
+
+                if dx == -1 then
+                    spriteIndex = spriteIndex + 8
+                elseif dx == 1 then
+                    spriteIndex = spriteIndex + 2
+                end
+                if dy == -1 then
+                    spriteIndex = spriteIndex + 1
+                elseif dy == 1 then
+                    spriteIndex = spriteIndex + 4
+                end
+            end
+
+            findNeighbor(i - 1)
+            findNeighbor(i + 1)
+
+            local quad = wormQuads[spriteIndex + 1]
+
+            if quad then
+                spriteBatch:add(quad, math.floor(x), math.floor(y))
+            end
+        end
+        love.graphics.draw(spriteBatch)
     end
 
     -- Debug draw potential collisions
@@ -182,10 +235,4 @@ function Worm:_move()
     end
 end
 
---
-
-function Worm:_checkIsStuck()
-
-end
-
 return Worm

todo.md

@@ -8,7 +8,6 @@
   - Make a mouse sprite for the player
 - [ ] Fix CRT bubble effect (doesn't like RS displays)
 - [ ] Try replacing the Moonshine scan-line effect with the custom shader (or delete it)
-- [ ] Create a worm sprite
 - [ ] Create a siren sprite
 - [ ] Make the maze end after 5 solves, with progressive difficulty (9x9 no enemies, increase size + enemy count each stage)
 - [ ] Create a that displays in the top corner as the game goes on
@@ -17,6 +16,8 @@
 
 # in progress
 
+- [ ] Create a worm sprite
+
 # complete
 
 - [x] Set up Lua formatter