plasma.lua

local loader = require 'love-loader'
local finishedLoading = false
local screenWidth, screenHeight = love.graphics.getWidth(), love.graphics.getHeight()


instant_fps = 60


local TEST_ERROR = false


local MAX_FPS = 200
local http;
local time = os.time()

function include(file)
	return require(string.gsub(file, ".lua", ""))
end

function load_modules()
	local files =  love.filesystem.getDirectoryItems("modules")
	for k,v in ipairs(files) do
		include("modules/" .. v)
	end
	http = require("socket.http")

end





function love.load()

end


function love.update(dt)
 

end


function love.timer.realFPS()
	return instant_fps
end

local math = math
local love = love

local pixel_size = 2

function hypt(a,b)
	return math.sqrt(a^2+b^2)
end





function Plasma(x,y,w,h,t)
	local tx = math.sin(t*1.3)*100
	local ty = math.cos(t*0.8)*120
	local px = x/300
	local py = y/100
	local pass1 = 90 + 89 * ( math.sin( hypt( w/2-x+ty, h/2-y+tx )/64 + t) )
	local pass2 = 90 + 89 * math.sin(px*math.cos(py+tx/100)+t)*math.sin(py*math.cos(px+ty/100)+t)
	return pass1+pass2
end

function love.draw()
	local w, h = love.graphics.getDimensions( )

	local t = love.timer.getTime() * 0.5
	
	--pixel_size = math.max(t%50, 5)
	for x = 0, w, pixel_size do
	for y = 0, h, pixel_size do
		--surface.SetDrawColor(HSVToColor(Plasma(x,y,w,h,t)%360,1,1))
		local val = Plasma(x,y,w,h,t)%360
		love.graphics.setColor(val,val,val,255)
		love.graphics.rectangle("fill",x, y, pixel_size+1,pixel_size+1 )
	end
	end
	
end

function love.resize(w, h)
	ScrW = w
	ScrH = h
end