diff --git a/public/Items/torchCeiling.png b/public/Items/torchCeiling.png
new file mode 100644
index 0000000..0dafe89
Binary files /dev/null and b/public/Items/torchCeiling.png differ
diff --git a/public/Items/torchFloor.png b/public/Items/torchFloor.png
new file mode 100644
index 0000000..166d00b
Binary files /dev/null and b/public/Items/torchFloor.png differ
diff --git a/public/Items/torch.png b/public/Items/torchLeft.png
similarity index 100%
rename from public/Items/torch.png
rename to public/Items/torchLeft.png
diff --git a/public/Items/torchRight.png b/public/Items/torchRight.png
new file mode 100644
index 0000000..945043b
Binary files /dev/null and b/public/Items/torchRight.png differ
diff --git a/src/App.vue b/src/App.vue
index 749769f..f583d4e 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import type { Block, Direction, Item, InventoryItem } from './types.d'
+import type { Block, BlockType, Direction, Item, InventoryItem, LightSource } from './types.d'
 import { ref, computed, watch, onMounted, useTemplateRef } from 'vue'
 import Help from './screens/help.vue'
 import Inventory from './screens/inventory.vue'
@@ -25,7 +25,7 @@ let updateLightMap = (() => {}) as ReturnType<typeof useLightMask>
 pocket(getItem('tool_shovel_wood'))
 pocket(getItem('tool_sword_wood'))
 pocket(getItem('tool_pickaxe_wood'))
-pocket(getItem('fixture_torch'))
+pocket(getItem('fixture_torch'), 5)
 
 let animationFrame = 0
 let lastTick = 0
@@ -47,22 +47,40 @@ const lightBarrier = computed<number[]>(() => {
   return level.sunLight(floorX.value)
 })
 
-const lightSources = computed(() => [])
-
 const mapUpdateCount = ref(0)
 const mapGrid = computed<Block[][]>(() => {
   const _update = mapUpdateCount.value // reactivity trigger
   return level.grid(floorX.value, floorY.value, true)
 })
+const lightSources = computed(() => {
+  const _update = mapUpdateCount.value // reactivity trigger
+  const _floorX = floorX.value // reactivity trigger
+  const _floorY = floorY.value // reactivity trigger
+
+  const lightSources: LightSource[] = []
+  const grid = mapGrid.value
+
+  for (let y = 0; y < grid.length; y++) {
+    const row = grid[y]
+    for (let x = 0; x < row.length; x++) {
+      const block = row[x]
+      if (block.illumination) {
+        lightSources.push({
+          x, y,
+          strength: block.illumination,
+          color: block.color ?? '#FFE'
+        })
+      }
+    }
+  }
+  return lightSources
+})
 
 const arriving = ref(true)
 const walking = ref(false)
 const inventorySelection = ref<InventoryItem>(player.inventory[0])
 
-const surroundings = computed<Record<Direction, Block>>(() => {
-  const _update = mapUpdateCount.value // reactivity trigger
-  const x = px.value
-  const y = py.value
+const getSurroundings = (x: number, y: number) => {
   const rows = mapGrid.value
 
   const rowY = rows[y]
@@ -76,6 +94,11 @@ const surroundings = computed<Record<Direction, Block>>(() => {
     up: rowYp[x],
     down: rowYn[x],
   }
+}
+
+const surroundings = computed<Record<Direction, Block>>(() => {
+  const _update = mapUpdateCount.value // reactivity trigger
+  return getSurroundings(px.value, py.value)
 })
 const blocked = computed(() => {
   const { left, right, up, down } = surroundings.value
@@ -113,15 +136,26 @@ function dig(blockX: number, blockY: number, block: Block) {
 }
 
 function build(blockX: number, blockY: number, block: InventoryItem) {
-  const blockToBuild = block.builds
-  // the block doesn't do anything
-  if (!blockToBuild) return
+  let blockToBuild = block.builds
+  if (!blockToBuild) return // the block doesn't do anything?!
+
+  // While blocks are just filling the space completely, fixtures are attached
+  // to the closest surface. We check the surroundings, starting at with left
+  // and right, then bottom and top.
+  if (block.type === 'fixture') {
+    const { left, right, up, down } = getSurroundings(blockX, blockY)
+    
+    if (!left.transparent) blockToBuild = `${blockToBuild}Left`
+    else if (!right.transparent) blockToBuild = `${blockToBuild}Right`
+    else if (!up.transparent) blockToBuild = `${blockToBuild}Ceiling`
+    else if (!down.transparent) blockToBuild = `${blockToBuild}Floor`
+  }
 
   level.change({
     change: 'exchange',
     x: floorX.value + blockX,
     y: floorY.value + blockY,
-    newType: blockToBuild
+    newType: blockToBuild as BlockType
   })
   mapUpdateCount.value = mapUpdateCount.value + 1
 
@@ -130,10 +164,20 @@ function build(blockX: number, blockY: number, block: InventoryItem) {
 }
 
 function interactWith(blockX: number, blockY: number, block: Block) {
-  if (debug) console.debug('interact with', blockX, blockY, block.type, inventorySelection.value.type, 'in hand')
+  if (debug) {
+    console.debug(
+      `interact with ${block.type} at ${blockX},${blockY},`,
+      `with a ${inventorySelection.value.id} in hand`
+    )
+  }
   // § 4 ArbZG
   if (paused.value) return
 
+  // no spooky interaction at a distance
+  const distanceX = ~~(px.value - blockX)
+  const distanceY = ~~(py.value - blockY)
+  if (distanceX > 1 || distanceY > 1) return
+
   const blockInHand = inventorySelection.value
   const shovelInHand = blockInHand.id.indexOf('shovel') >= 0
   const pickaxeInHand = blockInHand.id.indexOf('pickaxe') >= 0
@@ -144,8 +188,6 @@ function interactWith(blockX: number, blockY: number, block: Block) {
   const canUseShovel = softTerrain.indexOf(block.type) >= 0
   const canUsePickaxe = hardTerrain.indexOf(block.type) >= 0
 
-  console.log({ canBuild, hasSpace, hasTool, blockInHand })
-
   // put the selected block
   if (canBuild && hasSpace) {
     build(blockX, blockY, blockInHand)
@@ -227,8 +269,7 @@ onMounted(() => {
     canvas.width = (BLOCK_SIZE + 2) * STAGE_WIDTH
     const ctx = canvas.getContext('2d')!
     updateLightMap = useLightMask(
-      ctx, floorX, floorY,
-      tx, ty, time,
+      ctx, floorY, tx, ty,
       lightBarrier, lightSources,
     )
   } else {
diff --git a/src/assets/field.css b/src/assets/field.css
index 3e08e70..aa4eade 100644
--- a/src/assets/field.css
+++ b/src/assets/field.css
@@ -98,7 +98,10 @@
 .block.brickWall {
   background-image: url(/Tiles/brick_grey.png);
 }
-.block.torch { background-image: url("/Items/torch.png"); }
+.block.torchLeft { background-image: url("/Items/torchLeft.png"); }
+.block.torchRight { background-image: url("/Items/torchRight.png"); }
+.block.torchFloor { background-image: url("/Items/torchFloor.png"); }
+.block.torchCeiling { background-image: url("/Items/torchCeiling.png"); }
 
 #field {
   user-select: none;
diff --git a/src/assets/items.css b/src/assets/items.css
index de56871..06db695 100644
--- a/src/assets/items.css
+++ b/src/assets/items.css
@@ -15,4 +15,4 @@
 .item.block-stone { background-image: url("/Tiles/stone.png"); }
 .item.block-gravel { background-image: url("/Tiles/gravel_stone.png"); }
 
-.item.fixture-torch { background-image: url("/Items/torch.png"); }
+.item.fixture-torch { background-image: url("/Items/torchFloor.png"); }
diff --git a/src/level/def.ts b/src/level/def.ts
index cff65d5..703a4b0 100644
--- a/src/level/def.ts
+++ b/src/level/def.ts
@@ -26,11 +26,18 @@ export const blockTypes: Record<BlockType, Block> = {
   stone: { type: 'stone', hp: 10, walkable: false, drops: 'block_stone' },
   bedrock: { type: 'bedrock', hp: 25, walkable: false, drops: 'block_stone' },
   // Built Blocks
-  brickWall: { type: 'brickWall', hp: 25, walkable: false, drops: 'block_gravel', fixture: true },
-  torch: { type: 'torch', hp: 1, walkable: true, transparent: true, drops: 'fixture_torch', illuminated: true, fixture: true },
+  brickWall: { type: 'brickWall', hp: 25, walkable: false, drops: 'block_gravel' },
+
+  torchLeft: { type: 'torchLeft', hp: 1, walkable: true, transparent: true, drops: 'fixture_torch', illumination: 1.0, color: '#FFE', fixture: true },
+  torchRight: { type: 'torchRight', hp: 1, walkable: true, transparent: true, drops: 'fixture_torch', illumination: 1.0, color: '#FFE', fixture: true },
+  torchCeiling: { type: 'torchCeiling', hp: 1, walkable: true, transparent: true, drops: 'fixture_torch', illumination: 1.0, color: '#FFE', fixture: true },
+  torchFloor: { type: 'torchFloor', hp: 1, walkable: true, transparent: true, drops: 'fixture_torch', illumination: 1.0, color: '#FEB', fixture: true },
 }
 
-export const softTerrain: BlockType[] = ['grass', 'soil', 'soilGravel', 'torch']
+export const softTerrain: BlockType[] = [
+  'grass', 'soil', 'soilGravel',
+  'torchLeft', 'torchRight', 'torchCeiling', 'torchFloor',
+]
 export const hardTerrain: BlockType[] = ['stone', 'stoneGravel', 'bedrock', 'brickWall']
 
 export const level = {
diff --git a/src/types.d.ts b/src/types.d.ts
index 065c38d..44344c3 100644
--- a/src/types.d.ts
+++ b/src/types.d.ts
@@ -1,4 +1,5 @@
 import type { ItemId } from './level/items'
+export type { ItemId } from './level/items'
 export type ItemQuality = 'wood' | 'iron' | 'diamond'
 export type ItemType = 'tool' | 'block' | 'ore' | 'fixture'
 
@@ -8,7 +9,9 @@ export interface Item {
   type: ItemType
   icon: string
   quality?: ItemQuality
-  builds?: BlockType
+  // this should be ItemId | BlockType, but has to be string to avoid
+  // a circular type reference
+  builds?: string 
 }
 
 export interface ToolItem extends Item {
@@ -21,6 +24,8 @@ export interface BlockItem extends Item {
   builds: BlockType
 }
 
+type Fixture<T extends string> = `${T}Left` | `${T}Right` | `${T}Ceiling` | `${T}Floor`;
+
 export type BlockType =
   | 'air' | 'grass'
   | 'treeCrown' | 'treeLeaves' | 'treeTrunk' | 'treeRoot'
@@ -28,17 +33,18 @@ export type BlockType =
   | 'stone' | 'stoneGravel'
   | 'bedrock' | 'cave'
   | 'brickWall'
-  | 'torch'
+  | Fixture<'torch'>
 
 export type Block = {
-  type: BlockType,       // what is it?
-  hp: number,            // how long do I need to hit it?
-  walkable: boolean,     // can I walk through it?
-  climbable?: boolean,   // can I climb it?
-  transparent?: boolean, // can I see through it?
-  illuminated?: boolean, // is it glowing?
-  fixture?: boolean,     // is it built by the player?
-  drops?: ItemId,      // what do I get, when loot it?
+  type: BlockType       // what is it?
+  hp: number            // how long do I need to hit it?
+  walkable: boolean     // can I walk through it?
+  climbable?: boolean   // can I climb it?
+  transparent?: boolean // can I see through it?
+  fixture?: boolean     // is it built by the player?
+  illumination?: number // How many blocks wide is it glowing?
+  color?: string        // How is it coloured?
+  drops?: ItemId        // what do I get, when loot it?
 }
 
 // describes a changed block, eg digged or placed by the player
@@ -54,11 +60,10 @@ type ChangedBlock = {
   y: number
   newType: BlockType
 }
-type Change = DamagedBlock | ChangedBlock
+export type Change = DamagedBlock | ChangedBlock
 
 export interface InventoryItem extends Item {
   amount: number
-  quality: ItemQuality | null
 }
 
 export interface Moveable {
@@ -85,4 +90,5 @@ export interface LightSource {
   x: number
   y: number
   strength: number
+  color: string
 }
diff --git a/src/util/useLightMask.ts b/src/util/useLightMask.ts
index d5e21d0..cf06ce4 100644
--- a/src/util/useLightMask.ts
+++ b/src/util/useLightMask.ts
@@ -6,11 +6,9 @@ type RefOrComputed<T> = Ref<T> | ComputedRef<T>
 
 export default function useLightMask(
   ctx: CanvasRenderingContext2D,
-  x: RefOrComputed<number>,
   y: RefOrComputed<number>,
   tx: RefOrComputed<number>,
   ty: RefOrComputed<number>,
-  time: RefOrComputed<number>,
   lightBarrier: RefOrComputed<number[]>,
   lightSources: RefOrComputed<LightSource[]>,
 ) {
@@ -24,8 +22,6 @@ export default function useLightMask(
   const playerLightSize = B * 1.8
 
   function drawPlayerLight(sizeMul:number) {
-    const t = time.value
-
     const playerLight = ctx.createRadialGradient(
       playerX - tx.value, playerY - ty.value, 0,
       playerX - tx.value, playerY - ty.value, playerLightSize * sizeMul
@@ -43,11 +39,19 @@ export default function useLightMask(
     for (const src of lightSources.value) {
       const x = src.x * B
       const y = src.y * B
+      const strength = src.strength + (src.strength * Math.random()) / 10
+      const light = ctx.createRadialGradient(
+        x + BHalf, y - BHalf, 0,
+        x + BHalf, y - BHalf, strength * B,
+      )
+      const color = src.color
 
-      const light = ctx.createRadialGradient(x, y, 0, x, y, src.strength)
-      light.addColorStop(0.0, "#CC8F")
-      light.addColorStop(0.4, "#CC8A")
-      light.addColorStop(1, "#CC80")
+      light.addColorStop(0.0, color)
+      light.addColorStop(0.4, `${color}A`)
+      light.addColorStop(1, `${color}0`)
+
+      ctx.fillStyle = light
+      ctx.fillRect(0, 0, W, H)
     }
   }
 
diff --git a/src/util/usePlayer.ts b/src/util/usePlayer.ts
index 1b63c1a..8d7864e 100644
--- a/src/util/usePlayer.ts
+++ b/src/util/usePlayer.ts
@@ -11,7 +11,7 @@ const player = reactive<Player>({
   inventory: [],
 })
 
-const pocket = (newItem: Item) => {
+const pocket = (newItem: Item, amount = 1) => {
   const existing = player.inventory.find(item => item.name === newItem.name)
 
   if (existing) {
@@ -19,9 +19,8 @@ const pocket = (newItem: Item) => {
     return existing.amount
   }
   player.inventory.push({
-    quality: null,
-    amount: 1,
-    ...newItem
+    ...newItem,
+    amount,
   })
   return 1
 }