mebens

# Script correlating to tutorial at http://ebens.me/post/install-lamp-stack-ubuntu
# Even though you probably could, don't run it all at once

# new user

adduser new_user
usermod -a -G sudo new_user
su - new_user

# new repos

mebens

#!/usr/bin/env lua

function exit(msg, code)
  print(msg)
  os.exit(code or 1)
end

function main()
  if #arg < 4 then exit("Please provide a magnitude and angle for two polar vectors") end
  local m1, a1, m2, a2 = unpack(arg)

mebens

Tilemap = class("Tilemap")
Tilemap._mt = {}

function Tilemap._mt:__index(key)
  return rawget(self, "_" .. key) or self.class.__instanceDict[key]
end

Tilemap:enableAccessors()

function Tilemap:initialize(img, fw, fh, width, height)

mebens

Sheet = class("Sheet")

function Sheet:initialize(img, tileWidth, tileHeight)
  self.x = 0
  self.y = 0
  self.image = img
  self.tw = tileWidth
  self.th = tileHeight
  self.quads = {}
  

mebens

extern float factor = 1;
extern float addPercent = 0.1;
extern float clamp = 0.85;

// from http://www.ozone3d.net/blogs/lab/20110427/glsl-random-generator/
float rand(vec2 n)
{
  return 0.5 + 0.5 * fract(sin(dot(n.xy, vec2(12.9898, 78.233))) * 43758.5453);
}

mebens

postfx = {}
postfx.all = {}
postfx.active = true

local PixelEffect = class("PixelEffect")

function PixelEffect:initialize(effect)
  self.effect = effect
  self.active = true
end

mebens

// adapted from http://www.youtube.com/watch?v=qNM0k522R7o

extern vec2 size;
extern int samples = 5; // pixels per axis; higher = bigger glow, worse performance
extern float quality = 2.5; // lower = smaller glow, better quality

vec4 effect(vec4 colour, Image tex, vec2 tc, vec2 sc)
{
  vec4 source = Texel(tex, tc);
  vec4 sum = vec4(0);

mebens

require("list")

local a = { 3 }
local b = { 4 }
local l = list({ 2 }, a, b, { 5 })

l:pop()
l:shift()
l:push({ 6 })
l:unshift({ 7 })

mebens

Spritemap = class("Spritemap")
Spritemap._mt = {}

function Spritemap._mt:__index(key)
  return rawget(self, "_" .. key) or self.class.__instanceDict[key]
end

Spritemap:enableAccessors()

function Spritemap:initialize(img, fw, fh, complete, ...)

mebens

-- returns nil if there's no movement
function getDirection()
  local xAxis = input.axisDown("left", "right")
  local yAxis = input.axisDown("up", "down")
  local xAngle = xAxis == 1 and 0 or (xAxis == -1 and math.tau / 2 or nil)
  local yAngle = yAxis == 1 and math.tau / 4 or (yAxis == -1 and math.tau * 0.75 or nil)

  if xAngle and yAngle then
    -- x = 1, y = -1 is a special case the doesn't fit; not sure what I can do about it other than this:
    if xAxis == 1 and yAxis == -1 then return yAngle + math.tau / 8 end