Add spikes.

main.lua

@@ -30,6 +30,11 @@ end
 -- Draw
 ------------------------
 
+draw = {}
+draw.deathMessage = {}
+draw.deathMessage.x = 0.5 + math.random()
+draw.deathMessage.y = 0.5 + math.random()
+
 -- Put origin to the center of the window
 local function updateOrigin()
     love.graphics.origin()
@@ -40,21 +45,29 @@ local function updateOrigin()
 end
 
 function love.draw()
-    updateOrigin();
-
-    -- need this to render textures properly
-    love.graphics.setColor(255, 255, 255)
+    if (not player.dead) then
+        updateOrigin();
+        -- need this to render textures properly
+        love.graphics.setColor(255, 255, 255)
 
-    -- Draw nodes
-    for _, node in ipairs(nodes) do
-        if (math.abs(node.x - player.x) * SIZE < love.graphics.getWidth()
-                and math.abs(node.y - player.y) * SIZE < love.graphics.getHeight()) then
-            love.graphics.draw(node.texture, node.x * SIZE, node.y * SIZE)
+        -- Draw nodes
+        for _, node in ipairs(nodes) do
+            if (math.abs(node.x - player.x) * SIZE < love.graphics.getWidth()
+                    and math.abs(node.y - player.y) * SIZE < love.graphics.getHeight()) then
+                love.graphics.draw(node.texture, node.x * SIZE, node.y * SIZE)
+            end
         end
-    end
 
-    -- Draw player
-    love.graphics.draw(textures.player, player.x * SIZE, player.y * SIZE)
+        -- Draw player
+        love.graphics.draw(textures.player, player.x * SIZE, player.y * SIZE)
+    else
+        love.graphics.setColor(255, 0, 0, 255)
+        love.graphics.print(
+            "You died.",
+            love.graphics.getWidth() / 2 * draw.deathMessage.x,
+            love.graphics.getHeight() / 2 * draw.deathMessage.y,
+            0, 2, 2)
+    end
 end
 
 ------------------------
@@ -69,4 +82,9 @@ function love.keypressed(key)
     end
 
     player.handleKey(key)
+
+    if (player.dead) then
+        draw.deathMessage.x = 0.5 + math.random()
+        draw.deathMessage.y = 0.5 + math.random()
+    end
 end

maze.lua

@@ -38,7 +38,15 @@ maze.addConnection = function(x0, y0, x1, y1, open)
     table.insert(maze.connections, {
         x = x0 + x1,
         y = y0 + y1,
-        open = open
+        open = open,
+        from = {
+            x = x0,
+            y = y0
+        },
+        to = {
+            x = x1,
+            y = y1
+        }
     })
 
     if (open) then
@@ -106,7 +114,18 @@ maze.writeToMap = function()
         if (connection.open) then
             nodes.addFloor(connection.x, connection.y)
         else
-            nodes.addWall(connection.x, connection.y)
+            if (math.random() > 0.7) then
+                nodes.addSpikes(connection.x, connection.y)
+                if not (nodes.nodeMap[connection.from.x * 2] or {})[connection.from.y * 2] then
+                    nodes.addWall(connection.from.x * 2, connection.from.y * 2)
+                end
+
+                if not (nodes.nodeMap[connection.to.x * 2] or {})[connection.to.y * 2] then
+                    nodes.addWall(connection.to.x * 2, connection.to.y * 2)
+                end
+            else
+                nodes.addWall(connection.x, connection.y)
+            end
         end
     end
 end

nodes.lua

@@ -9,14 +9,26 @@ SIZE = 100;
 
 -- all nodes in the world
 nodes = {}
-nodes.collisionMap = {}
+nodes.nodeMap = {} -- contains all generated nodes
+nodes.collisionMap = {} -- contains solid nodes
+nodes.deathMap = {} -- contatins deadly nodes
+
+nodes.addNode = function (x, y, texture, walkable, deadly)
+    if (not nodes.nodeMap[x]) then
+        nodes.nodeMap[x] = {}
+    end
+    nodes.nodeMap[x][y] = true
 
-nodes.addNode = function (x, y, texture, walkable)
     if (not nodes.collisionMap[x]) then
         nodes.collisionMap[x] = {}
     end
     nodes.collisionMap[x][y] = walkable
 
+    if (not nodes.deathMap[x]) then
+        nodes.deathMap[x] = {}
+    end
+    nodes.deathMap[x][y] = deadly
+
     table.insert(nodes, {
         x = x,
         y = y,
@@ -26,13 +38,21 @@ nodes.addNode = function (x, y, texture, walkable)
 end
 
 nodes.addWall = function (x, y)
-    nodes.addNode(x, y, textures.wall, false)
+    nodes.addNode(x, y, textures.wall, false, true)
 end
 
 nodes.addFloor = function (x, y)
-    nodes.addNode(x, y, textures.floor, true)
+    nodes.addNode(x, y, textures.floor, true, false)
 end
 
-nodes.isWalkable = function(x, y)
+nodes.addSpikes = function (x, y)
+    nodes.addNode(x, y, textures.spikes, true, true)
+end
+
+nodes.isWalkable = function (x, y)
     return (nodes.collisionMap[x] or {})[y]
+end
+
+nodes.isDeadly = function (x, y)
+    return (nodes.deathMap[x] or {})[y]
 end

player.lua

@@ -2,7 +2,8 @@ require('nodes')
 
 player = {
     x = 0,
-    y = 0
+    y = 0,
+    dead = false
 }
 
 local function getMovement(key)
@@ -37,5 +38,9 @@ player.handleKey = function(key)
     if movement and nodes.isWalkable(movement.x, movement.y) then
         player.x = movement.x
         player.y = movement.y
+
+        if (nodes.isDeadly(movement.x, movement.y)) then
+            player.dead = true
+        end
     end
 end

textures.lua

@@ -4,4 +4,5 @@ textures.load = function()
     textures.floor = love.graphics.newImage("assets/block-unit.png")
     textures.wall = love.graphics.newImage("assets/wall-unit.png")
     textures.player = love.graphics.newImage("assets/blindguyv2.png")
+    textures.spikes = love.graphics.newImage("assets/spike-unit.png")
 end