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-rw-r--r--common/chunk.lua11
-rw-r--r--common/coords.lua2
2 files changed, 2 insertions, 11 deletions
diff --git a/common/chunk.lua b/common/chunk.lua
index a9a8bc5..8e2ec40 100644
--- a/common/chunk.lua
+++ b/common/chunk.lua
@@ -20,17 +20,6 @@ Chunk.__index = Chunk
function Chunk.make(tiles)
return setmetatable({tiles=tiles},Chunk)
end
-function Chunk.gen()
- -- todo actual worldgen
- local tiles = {}
- for i=0,CHUNK_SIZE-1 do
- for j=0,CHUNK_SIZE-1 do
- tiles[index(i,j)] = (math.random()<0.5)
- end
- end
-
- return Chunk.make(tiles)
-end
function Chunk.at(self,hoffs)
if not index_ok(hoffs.q,hoffs.r) then return nil end
return self.tiles[index(hoffs.q,hoffs.r)]
diff --git a/common/coords.lua b/common/coords.lua
index 1bb9154..2399e43 100644
--- a/common/coords.lua
+++ b/common/coords.lua
@@ -76,6 +76,8 @@ function Pos.__div(a,b)
end
function Pos.lensq(self) return self.x^2 + self.y^2 end
function Pos.len(self) return math.sqrt(self:lensq()) end
+function Pos.norm(self) return self/self:len() end
+function Pos.dot(self,other) return self.x*other.x + self.y*other.y end
function Pos.to_hex(self)
local q = self.x*(SR3/3) - self.y*(1/3)
local r = (2/3)*self.y