overview

src/main.lua

@@ -50,7 +50,8 @@ local biomes = {
 }
 
 love.load = function()
-  map.size = 150
+  map.size = 500
+  map.tile_size = 1
   map.altitude = heightmap.create(map.size, map.size, 0, 1)
   map.temperature = heightmap.create(map.size, map.size, 0, 1)
   map.humidity = heightmap.create(map.size, map.size, 0, 1)
@@ -86,7 +87,7 @@ love.load = function()
   end
 
   -- planetizer!
-  map.terrain = {}
+  map.terrain = {w = map.size, h = map.size}
   local radius = (map.size / 2)^2
   for x = 0, map.size do
     map.terrain[x] = {}
@@ -110,37 +111,37 @@ love.load = function()
   end
 end
 
+local camera = {
+  x = 0, y = 0,
+  speed = 500,
+}
 love.update = function(dt)
   lovebird.update()
+
+  if love.keyboard.isDown("w") then
+    camera.y = camera.y - camera.speed * dt
+  end
+  if love.keyboard.isDown("s") then
+    camera.y = camera.y + camera.speed * dt
+  end
+  if love.keyboard.isDown("a") then
+    camera.x = camera.x - camera.speed * dt
+  end
+  if love.keyboard.isDown("d") then
+    camera.x = camera.x + camera.speed * dt
+  end
 end
 
+local window_width, window_height = love.graphics.getDimensions()
 love.draw = function()
-  local tile_size = 2
+  love.graphics.translate(window_width / 2 - (map.size * map.tile_size) / 2 - camera.x, window_height / 2 - (map.size * map.tile_size) / 2 - camera.y)
 
-  for x = 0, map.altitude.w do
+  for x = 0, map.size do
-    for y = 0, map.altitude.h do
+    for y = 0, map.size do
-      -- raw heightmap
-      local value = map.altitude[x][y]
-      if value then
-        love.graphics.setColor(value, value, value, 1)
-        love.graphics.rectangle("fill", x * tile_size, y * tile_size, tile_size, tile_size)
-      end
-
-      -- temperature map
-      local value = map.temperature[x][y]
-      love.graphics.setColor(value, 0, 0, 1)
-      love.graphics.rectangle("fill", map.size * tile_size + x * tile_size, y * tile_size, tile_size, tile_size)
-
-      -- humidity map
-      local value = map.humidity[x][y]
-      love.graphics.setColor(0, 0, value, 1)
-      love.graphics.rectangle("fill", x * tile_size, map.size * tile_size + y * tile_size, tile_size, tile_size)
-
-      -- "naive" biomed map
       local value = map.terrain[x][y]
       if value then
         love.graphics.setColor(value)
-        love.graphics.rectangle("fill", map.size * tile_size + x * tile_size, map.size * tile_size + y * tile_size, tile_size, tile_size)
+        love.graphics.rectangle("fill", x * map.tile_size, y * map.tile_size, map.tile_size, map.tile_size)
       end
     end
   end