WorldPhysics, my new, hacked together, feature creeped library for love!

worldphysics.lua

world = {
	physics = {
		new = function(objtype, d, i, w, h, ubody, ushape)
			if world.physics[objtype] == nil then world.physics[objtype] = {all = {}} end
			world.physics[objtype].all[#world.physics[objtype].all+1] = {}
		    world.physics[objtype].all[#world.physics[objtype].all].body = ubody
			world.physics[objtype].all[#world.physics[objtype].all].shape = ushape
			world.physics[objtype].all[#world.physics[objtype].all].fixture = love.physics.newFixture(world.physics[objtype].all[#world.physics[objtype].all].body, world.physics[objtype].all[#world.physics[objtype].all].shape, d)
			world.physics[objtype].all[#world.physics[objtype].all].image = i
			world.physics[objtype].all[#world.physics[objtype].all].width = w
			world.physics[objtype].all[#world.physics[objtype].all].height = h
			if world.physics[objtype].init ~= nil then world.physics[objtype].init(world.physics[objtype].all[#world.physics[objtype].all]) end
		end,
		render = function()
			for obj,objkey in pairs(world.physics) do
				if type(objkey) == "table" then
					for objnum=1,#objkey.all,1 do
						if objkey.all[objnum] ~= "null" then
							love.graphics.draw(objkey.all[objnum].image, objkey.all[objnum].body:getX(), objkey.all[objnum].body:getY(), objkey.all[objnum].body:getAngle(), 1, 1, objkey.all[objnum].width/2, objkey.all[objnum].height/2)
						end
					end
				end
			end
		end,
		update = function(dt)
			for obj,objkey in pairs(world.physics) do
				if type(objkey) == "table" then
					for objnum=1,#objkey.all,1 do
						if objkey.all[objnum] ~= "null" then
							if objkey.update ~= nil then objkey.update(objkey.all[objnum], dt) end
						end
					end
				end
			end
		end,
		delete = function(x, y, objtype)
			deld = false
			for obj,objkey in pairs(world.physics) do
				if type(objkey) == "table" then
					for objnum=1,#objkey.all,1 do
						if objkey.all[objnum] ~= "null" then
							if AABB(objkey.all[objnum].body:getX()-(objkey.all[objnum].width/2), objkey.all[objnum].body:getY()-(objkey.all[objnum].height/2), objkey.all[objnum].width, objkey.all[objnum].height, x, y, 0, 0) then
								if obj == objtype or objtype == nil then
									objkey.all[objnum].body:destroy()
									objkey.all[objnum] = "null"
									deld = true
								end
							end
						end
					end
				end
			end
			return deld
		end,
		explode = function(x, y, objtype, num)
			if world.physics.delete(x, y, objtype, img) then
				for i=1,num,1 do
					world.physics.new("particle", 2, img, 3, 3, love.physics.newBody(physicsworld, x, y, "dynamic"), love.physics.newRectangleShape(0, 0, 3, 3))
				end
			end
		end,
		initphysics = function(pxm)
			love.physics.setMeter(pxm)
			physicsworld = love.physics.newWorld(0, 9.81*pxm)
		end,
		addobjecttype = function(name, objtype)
			if objtype ~= nil then
				world.physics[name] = objtype
			else
				world.physics[name] = {all = {}}
			end
		end
	},
	debuginfo = {
		render = function()
			love.graphics.print("WorldPhysics v0.1.3 ALPHA\nFPS: " .. tostring(love.timer.getFPS()), 0, 0)
		end
	},
	effects = {
		screenshake = {
			shaking = false,
			timer = 1,
			length = 0,
			strength = 0,
			shake = function(str)
				rstr = world.effects.screenshake.strength+(0-world.effects.screenshake.strength)*(world.effects.screenshake.timer/world.effects.screenshake.length)
				love.graphics.translate(math.random(-rstr, rstr), math.random(-rstr, rstr))
			end,
			startshake = function(str, length)
				world.effects.screenshake.shaking = true
				world.effects.screenshake.timer = 1
				world.effects.screenshake.strength = str
				world.effects.screenshake.length = length
			end,
			update = function(dt)
				world.effects.screenshake.timer = world.effects.screenshake.timer + dt
				if world.effects.screenshake.timer > world.effects.screenshake.length then world.effects.screenshake.shaking = false end
			end,
			render = function()
				if world.effects.screenshake.shaking then world.effects.screenshake.shake(world.effects.screenshake.strength) end
			end
		},
		shaders = {
			toggle = function(shader)
				world.effects.shaders[shader].active = not world.effects.shaders[shader].active
			end,
			setparams = function(shader, params)
				for key,val in pairs(params) do
					world.effects.shaders[shader].params[key] = val
				end
			end,
			render = function()
				for key,val in pairs(world.effects.shaders) do
					if type(val) == "table" then
						if val.active then
							for pkey,pval in pairs(val.params) do
								val[1]:send(pkey, pval)
							end
							love.graphics.setPixelEffect(val[1])
						end
					end
				end
			end
		}
	},
	
	
	update = function(dt)
		physicsworld:update(dt)
		world.physics.update(dt)
		world.effects.screenshake.update(dt)
	end,
	render = function()
		world.effects.shaders.render()
		world.effects.screenshake.render()
		world.physics.render()
		world.debuginfo.render()
	end
}