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Matthias Richter 2013-08-23 17:34:08 +02:00
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6
README.md
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@ -342,7 +342,7 @@ executed *after* the whole file is loaded.
## Module hump.timer [Delayed and time-limited function calls.] ## Module hump.timer [Delayed and time-limited function calls, and tweening support.]
Timer = require "hump.timer" Timer = require "hump.timer"
@ -610,7 +610,7 @@ games](http://www.youtube.com/watch?v=Fy0aCDmgnxg).
[`timer.tween()`](#hump.timertween). [`timer.tween()`](#hump.timertween).
To see which tweening methods hump offers, [see To see which tweening methods hump offers, [see
below](#hump.timerTweening%20methods). below](#hump.timerTweening_methods).
#### Parameters: #### Parameters:
@ -621,7 +621,7 @@ below](#hump.timerTweening%20methods).
=table target= =table target=
Target values. Target values.
=string method (optional)= =string method (optional)=
Tweening method, defaults to 'linear' ([see here](#hump.timerTweening%20methods)). Tweening method, defaults to 'linear' ([see here](#hump.timerTweening_methods)).
=function after (optiona)= =function after (optiona)=
Function to execute after the tween has finished. Function to execute after the tween has finished.
=mixed ...= =mixed ...=

18
doctool-theme.lua
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@ -9,6 +9,10 @@ local function filter(t, p)
return r return r
end end
local function anchorname(s)
return s:gsub('%s$', ''):gsub('%s','_')
end
-- generic -- generic
function actions.textblock(info) function actions.textblock(info)
return discount(info[1]) return discount(info[1])
@ -18,14 +22,14 @@ function actions.section(info)
local htype = 'h'..(info[3]+1) local htype = 'h'..(info[3]+1)
if info[3] >= 3 then if info[3] >= 3 then
return table.concat{ return table.concat{
'<div class="section-block" id="{{MODULE}}', info[1], '">', '<div class="section-block" id="{{MODULE}}', anchorname(info[1]), '">',
'<',htype,'>', info[1], '<a class="top" href="#{{MODULE}}">^top</a></',htype,'>', '<',htype,'>', info[1], '<a class="top" href="#{{MODULE}}">^top</a></',htype,'>',
discount(info[4]), discount(info[4]),
'</div>' '</div>'
} }
end end
return table.concat{ return table.concat{
'<div class="outer-block" id="{{MODULE}}', info[1], '">', '<div class="outer-block" id="{{MODULE}}', anchorname(info[1]), '">',
'<',htype,'>', info[1], '<a class="top" href="#top">^top</a></',htype,'>', '<',htype,'>', info[1], '<a class="top" href="#top">^top</a></',htype,'>',
'<div class="preamble">', discount(info[4]), '</div>', '<div class="preamble">', discount(info[4]), '</div>',
'</div>' '</div>'
@ -59,7 +63,7 @@ end
actions['function'] = function(info) actions['function'] = function(info)
local arg_delim = info.has_table_args and {'{','}'} or {'(',')'} local arg_delim = info.has_table_args and {'{','}'} or {'(',')'}
local out = { local out = {
'<div class="ref-block" id="{{MODULE}}', info[1], '">', '<div class="ref-block" id="{{MODULE}}', anchorname(info[1]), '">',
'<h4>', '<h4>',
'function <span class="name">', info[1], '</span>', 'function <span class="name">', info[1], '</span>',
'<span class="arglist">', arg_delim[1], info[2], arg_delim[2], '</span>', '<span class="arglist">', arg_delim[1], info[2], arg_delim[2], '</span>',
@ -122,7 +126,7 @@ end
function actions.module(info) function actions.module(info)
local modname = info[1] local modname = info[1]
local out = { local out = {
'<div class="outer-block" id="', modname, '">', '<div class="outer-block" id="', anchorname(modname), '">',
'<h3>', modname, '<a class="top" href="#top">^top</a></h3>', '<h3>', modname, '<a class="top" href="#top">^top</a></h3>',
'<div class="preamble">', discount(info[3]), '</div>' '<div class="preamble">', discount(info[3]), '</div>'
} }
@ -135,7 +139,7 @@ function actions.module(info)
if info.type == 'function' then if info.type == 'function' then
out[#out+1] = table.concat{ out[#out+1] = table.concat{
'<dt>', '<dt>',
'<a href="#', modname, info[1], '">', '<a href="#', anchorname(modname), anchorname(info[1]), '">',
info[1], '()', info[1], '()',
'</a>', '</a>',
'</dt><dd>', '</dt><dd>',
@ -145,7 +149,7 @@ function actions.module(info)
elseif info.type == 'section' then elseif info.type == 'section' then
out[#out+1] = table.concat{ out[#out+1] = table.concat{
'<dt>', '<dt>',
'<a href="#', modname, info[1], '">', '<a href="#', anchorname(modname), anchorname(info[1]), '">',
info[1], info[1],
'</a>', '</a>',
'</dt><dd>', '</dt><dd>',
@ -182,7 +186,7 @@ function actions.preprocess(doctree)
out[#out+1] = '<dl>' out[#out+1] = '<dl>'
for _, info in ipairs(filter(doctree, function(v) return v.type == 'module' end)) do for _, info in ipairs(filter(doctree, function(v) return v.type == 'module' end)) do
out[#out+1] = table.concat{ out[#out+1] = table.concat{
'<dt><a href="#', info[1], '">', info[1], '</a></dt>', '<dt><a href="#', anchorname(info[1]), '">', info[1], '</a></dt>',
'<dd>', info[2], '</dd>', '<dd>', info[2], '</dd>',
} }
end end

20
index.html
View File

@ -36,7 +36,7 @@ for the awesome LÖVE Engine.</p>
<p>hump differs from other libraries in that every component is independent of the <p>hump differs from other libraries in that every component is independent of the
remaining ones. hump's footprint is very small and thus should fit nicely into remaining ones. hump's footprint is very small and thus should fit nicely into
your projects.</p> your projects.</p>
</div></div><div class="outer-block" id="Modules"><h3>Modules<a class="top" href="#top">^top</a></h3><div class="preamble"><dl><dt><a href="#hump.gamestate">hump.gamestate</a></dt><dd>A gamestate system.</dd><dt><a href="#hump.timer">hump.timer</a></dt><dd>Delayed and time-limited function calls.</dd><dt><a href="#hump.vector">hump.vector</a></dt><dd>2D vector math.</dd><dt><a href="#hump.vector-light">hump.vector-light</a></dt><dd>Lightweight 2D vector math.</dd><dt><a href="#hump.class">hump.class</a></dt><dd>Object oriented programming for Lua.</dd><dt><a href="#hump.signal">hump.signal</a></dt><dd>Simple Signal/Slot (aka. Observer) implementation.</dd><dt><a href="#hump.camera">hump.camera</a></dt><dd>A camera for LÖVE.</dd></dl> </div></div><div class="outer-block" id="Modules"><h3>Modules<a class="top" href="#top">^top</a></h3><div class="preamble"><dl><dt><a href="#hump.gamestate">hump.gamestate</a></dt><dd>A gamestate system.</dd><dt><a href="#hump.timer">hump.timer</a></dt><dd>Delayed and time-limited function calls, and tweening support.</dd><dt><a href="#hump.vector">hump.vector</a></dt><dd>2D vector math.</dd><dt><a href="#hump.vector-light">hump.vector-light</a></dt><dd>Lightweight 2D vector math.</dd><dt><a href="#hump.class">hump.class</a></dt><dd>Object oriented programming for Lua.</dd><dt><a href="#hump.signal">hump.signal</a></dt><dd>Simple Signal/Slot (aka. Observer) implementation.</dd><dt><a href="#hump.camera">hump.camera</a></dt><dd>A camera for LÖVE.</dd></dl>
</div></div><div class="outer-block" id="hump.gamestate"><h3>hump.gamestate<a class="top" href="#top">^top</a></h3><div class="preamble"><pre><code class="lua">Gamestate = require "hump.gamestate" </div></div><div class="outer-block" id="hump.gamestate"><h3>hump.gamestate<a class="top" href="#top">^top</a></h3><div class="preamble"><pre><code class="lua">Gamestate = require "hump.gamestate"
</code></pre> </code></pre>
@ -78,7 +78,7 @@ function love.load()
Gamestate.switch(menu) Gamestate.switch(menu)
end end
</code></pre> </code></pre>
</div><div class="overview"><h4>Module overview</h4><dl><dt><a href="#hump.gamestateCallbacks ">Callbacks </a></dt><dd>Gamestate Callbacks.</dd><dt><a href="#hump.gamestatenew">new()</a></dt><dd>Create a new gamestate.</dd><dt><a href="#hump.gamestateswitch">switch()</a></dt><dd>Switch to gamestate.</dd><dt><a href="#hump.gamestatecurrent">current()</a></dt><dd>Get current gamestate.</dd><dt><a href="#hump.gamestatepush">push()</a></dt><dd>Push state on top of the stack.</dd><dt><a href="#hump.gamestatepop">pop()</a></dt><dd>Pops state from the stack.</dd><dt><a href="#hump.gamestate&lt;callback&gt;">&lt;callback&gt;()</a></dt><dd>Call function on active gamestate.</dd><dt><a href="#hump.gamestateregisterEvents">registerEvents()</a></dt><dd>Automatically do all of the above when needed.</dd></dl></div><div class="section-block" id="hump.gamestateCallbacks "><h4>Callbacks <a class="top" href="#hump.gamestate">^top</a></h4><p>A gamestate can define all callbacks that LÖVE defines. In addition, there are </div><div class="overview"><h4>Module overview</h4><dl><dt><a href="#hump.gamestateCallbacks">Callbacks </a></dt><dd>Gamestate Callbacks.</dd><dt><a href="#hump.gamestatenew">new()</a></dt><dd>Create a new gamestate.</dd><dt><a href="#hump.gamestateswitch">switch()</a></dt><dd>Switch to gamestate.</dd><dt><a href="#hump.gamestatecurrent">current()</a></dt><dd>Get current gamestate.</dd><dt><a href="#hump.gamestatepush">push()</a></dt><dd>Push state on top of the stack.</dd><dt><a href="#hump.gamestatepop">pop()</a></dt><dd>Pops state from the stack.</dd><dt><a href="#hump.gamestate&lt;callback&gt;">&lt;callback&gt;()</a></dt><dd>Call function on active gamestate.</dd><dt><a href="#hump.gamestateregisterEvents">registerEvents()</a></dt><dd>Automatically do all of the above when needed.</dd></dl></div><div class="section-block" id="hump.gamestateCallbacks"><h4>Callbacks <a class="top" href="#hump.gamestate">^top</a></h4><p>A gamestate can define all callbacks that LÖVE defines. In addition, there are
callbacks for initalizing, entering and leaving a state:</p> callbacks for initalizing, entering and leaving a state:</p>
<dl> <dl>
@ -307,7 +307,7 @@ function love.update(dt)
Timer.update(dt) Timer.update(dt)
end end
</code></pre> </code></pre>
</div><div class="overview"><h4>Module overview</h4><dl><dt><a href="#hump.timernew">new()</a></dt><dd>Create new timer instance.</dd><dt><a href="#hump.timeradd">add()</a></dt><dd>Schedule a function.</dd><dt><a href="#hump.timeraddPeriodic">addPeriodic()</a></dt><dd>Add a periodic function.</dd><dt><a href="#hump.timerdo_for">do_for()</a></dt><dd>Run a function for the next few seconds.</dd><dt><a href="#hump.timercancel">cancel()</a></dt><dd>Cancel a scheduled function.</dd><dt><a href="#hump.timerclear">clear()</a></dt><dd>Remove all timed and periodic functions.</dd><dt><a href="#hump.timerupdate">update()</a></dt><dd>Update scheduled functions.</dd><dt><a href="#hump.timertween">tween()</a></dt><dd>Add a tween.</dd><dt><a href="#hump.timerTweening methods ">Tweening methods </a></dt><dd>Predefined tweening methods.</dd><dt><a href="#hump.timerCustom interpolators ">Custom interpolators </a></dt><dd>Advanced: Adding custom tweening methods.</dd></dl></div><div class="ref-block" id="hump.timernew"><h4>function <span class="name">new</span><span class="arglist">()</span><a class="top" href="#hump.timer">^top</a></h4><p><strong>If you don't need multiple independent schedulers, you can use the </div><div class="overview"><h4>Module overview</h4><dl><dt><a href="#hump.timernew">new()</a></dt><dd>Create new timer instance.</dd><dt><a href="#hump.timeradd">add()</a></dt><dd>Schedule a function.</dd><dt><a href="#hump.timeraddPeriodic">addPeriodic()</a></dt><dd>Add a periodic function.</dd><dt><a href="#hump.timerdo_for">do_for()</a></dt><dd>Run a function for the next few seconds.</dd><dt><a href="#hump.timercancel">cancel()</a></dt><dd>Cancel a scheduled function.</dd><dt><a href="#hump.timerclear">clear()</a></dt><dd>Remove all timed and periodic functions.</dd><dt><a href="#hump.timerupdate">update()</a></dt><dd>Update scheduled functions.</dd><dt><a href="#hump.timertween">tween()</a></dt><dd>Add a tween.</dd><dt><a href="#hump.timerTweening_methods">Tweening methods </a></dt><dd>Predefined tweening methods.</dd><dt><a href="#hump.timerCustom_interpolators">Custom interpolators </a></dt><dd>Advanced: Adding custom tweening methods.</dd></dl></div><div class="ref-block" id="hump.timernew"><h4>function <span class="name">new</span><span class="arglist">()</span><a class="top" href="#hump.timer">^top</a></h4><p><strong>If you don't need multiple independent schedulers, you can use the
global/default timer (see examples).</strong></p> global/default timer (see examples).</strong></p>
<p>Creates a new timer instance that is independent of the global timer: It will <p>Creates a new timer instance that is independent of the global timer: It will
@ -463,14 +463,14 @@ games</a>.</p>
<a href="#hump.timerdofor"><code class="lua">timer.to_for()</code></a> and the higher level interface <a href="#hump.timerdofor"><code class="lua">timer.to_for()</code></a> and the higher level interface
<a href="#hump.timertween"><code class="lua">timer.tween()</code></a>.</p> <a href="#hump.timertween"><code class="lua">timer.tween()</code></a>.</p>
<p>To see which tweening methods hump offers, <a href="#hump.timerTweening%2520methods">see <p>To see which tweening methods hump offers, <a href="#hump.timerTweening_methods">see
below</a>.</p> below</a>.</p>
<div class="arguments">Parameters:<dl> <div class="arguments">Parameters:<dl>
<dt>number <code class="lua">duration</code></dt> <dt>number <code class="lua">duration</code></dt>
<dd>Duration of the tween.</dd><dt>table <code class="lua">subject</code></dt> <dd>Duration of the tween.</dd><dt>table <code class="lua">subject</code></dt>
<dd>Object to be tweened.</dd><dt>table <code class="lua">target</code></dt> <dd>Object to be tweened.</dd><dt>table <code class="lua">target</code></dt>
<dd>Target values.</dd><dt>string <code class="lua">method</code> (optional)</dt> <dd>Target values.</dd><dt>string <code class="lua">method</code> (optional)</dt>
<dd>Tweening method, defaults to 'linear' (<a href="#hump.timerTweening%2520methods">see here</a>).</dd><dt>function <code class="lua">after</code> (optiona)</dt> <dd>Tweening method, defaults to 'linear' (<a href="#hump.timerTweening_methods">see here</a>).</dd><dt>function <code class="lua">after</code> (optiona)</dt>
<dd>Function to execute after the tween has finished.</dd><dt>mixed <code class="lua">...</code></dt> <dd>Function to execute after the tween has finished.</dd><dt>mixed <code class="lua">...</code></dt>
<dd>Additional arguments to the <em>tweening</em> function.</dd></dl> <dd>Additional arguments to the <em>tweening</em> function.</dd></dl>
</div><div class="returns">Returns:<dl> </div><div class="returns">Returns:<dl>
@ -536,7 +536,7 @@ function love.draw()
love.graphics.circle('fill', circle.x, circle.y, circle.rad) love.graphics.circle('fill', circle.x, circle.y, circle.rad)
end end
</code></pre> </code></pre>
</div></div><div class="section-block" id="hump.timerTweening methods "><h4>Tweening methods <a class="top" href="#hump.timer">^top</a></h4><p>At the core of tweening lie interpolation methods. These methods define how the </div></div><div class="section-block" id="hump.timerTweening_methods"><h4>Tweening methods <a class="top" href="#hump.timer">^top</a></h4><p>At the core of tweening lie interpolation methods. These methods define how the
output should look depending on how much time has passed. For example, consider output should look depending on how much time has passed. For example, consider
the following tween:</p> the following tween:</p>
@ -629,7 +629,7 @@ function love.draw()
end end
end end
</code></pre> </code></pre>
</div><div class="section-block" id="hump.timerCustom interpolators "><h4>Custom interpolators <a class="top" href="#hump.timer">^top</a></h4><p><strong>This is a stub</strong></p> </div><div class="section-block" id="hump.timerCustom_interpolators"><h4>Custom interpolators <a class="top" href="#hump.timer">^top</a></h4><p><strong>This is a stub</strong></p>
<p>You can add custom interpolation methods by adding them to the <code class="lua">tween</code> table:</p> <p>You can add custom interpolation methods by adding them to the <code class="lua">tween</code> table:</p>
@ -680,7 +680,7 @@ inoutsqrt = Timer.tween.chain(math.sqrt, outsqrt)
player.position = player.position + player.velocity * dt player.position = player.position + player.velocity * dt
end end
</code></pre> </code></pre>
</div><div class="overview"><h4>Module overview</h4><dl><dt><a href="#hump.vectorOperators ">Operators </a></dt><dd>Arithmetics and relations.</dd><dt><a href="#hump.vectornew">new()</a></dt><dd>Create a new vector.</dd><dt><a href="#hump.vectorisvector">isvector()</a></dt><dd>Test if value is a vector.</dd><dt><a href="#hump.vectorvector:clone">vector:clone()</a></dt><dd>Copy a vector.</dd><dt><a href="#hump.vectorvector:unpack">vector:unpack()</a></dt><dd>Extract coordinates.</dd><dt><a href="#hump.vectorvector:permul">vector:permul()</a></dt><dd>Per element multiplication.</dd><dt><a href="#hump.vectorvector:len">vector:len()</a></dt><dd>Get length.</dd><dt><a href="#hump.vectorvector:len2">vector:len2()</a></dt><dd>Get squared length.</dd><dt><a href="#hump.vectorvector:dist">vector:dist()</a></dt><dd>Distance to other vector.</dd><dt><a href="#hump.vectorvector:dist2">vector:dist2()</a></dt><dd>Squared distance to other vector.</dd><dt><a href="#hump.vectorvector:normalized">vector:normalized()</a></dt><dd>Get normalized vector.</dd><dt><a href="#hump.vectorvector:normalize_inplace">vector:normalize_inplace()</a></dt><dd>Normalize vector in-place.</dd><dt><a href="#hump.vectorvector:rotated">vector:rotated()</a></dt><dd>Get rotated vector.</dd><dt><a href="#hump.vectorvector:rotate_inplace">vector:rotate_inplace()</a></dt><dd>Rotate vector in-place.</dd><dt><a href="#hump.vectorvector:perpendicular">vector:perpendicular()</a></dt><dd>Get perpendicular vector.</dd><dt><a href="#hump.vectorvector:projectOn">vector:projectOn()</a></dt><dd>Get projection onto another vector.</dd><dt><a href="#hump.vectorvector:mirrorOn">vector:mirrorOn()</a></dt><dd>Mirrors vector on other vector</dd><dt><a href="#hump.vectorvector:cross">vector:cross()</a></dt><dd>Cross product of two vectors.</dd><dt><a href="#hump.vectorvector:angleTo">vector:angleTo()</a></dt><dd>Measure angle between two vectors.</dd></dl></div><div class="section-block" id="hump.vectorOperators "><h4>Operators <a class="top" href="#hump.vector">^top</a></h4><p>Vector arithmetic is implemented by using <code class="lua">__add</code>, <code class="lua">__mul</code> and other </div><div class="overview"><h4>Module overview</h4><dl><dt><a href="#hump.vectorOperators">Operators </a></dt><dd>Arithmetics and relations.</dd><dt><a href="#hump.vectornew">new()</a></dt><dd>Create a new vector.</dd><dt><a href="#hump.vectorisvector">isvector()</a></dt><dd>Test if value is a vector.</dd><dt><a href="#hump.vectorvector:clone">vector:clone()</a></dt><dd>Copy a vector.</dd><dt><a href="#hump.vectorvector:unpack">vector:unpack()</a></dt><dd>Extract coordinates.</dd><dt><a href="#hump.vectorvector:permul">vector:permul()</a></dt><dd>Per element multiplication.</dd><dt><a href="#hump.vectorvector:len">vector:len()</a></dt><dd>Get length.</dd><dt><a href="#hump.vectorvector:len2">vector:len2()</a></dt><dd>Get squared length.</dd><dt><a href="#hump.vectorvector:dist">vector:dist()</a></dt><dd>Distance to other vector.</dd><dt><a href="#hump.vectorvector:dist2">vector:dist2()</a></dt><dd>Squared distance to other vector.</dd><dt><a href="#hump.vectorvector:normalized">vector:normalized()</a></dt><dd>Get normalized vector.</dd><dt><a href="#hump.vectorvector:normalize_inplace">vector:normalize_inplace()</a></dt><dd>Normalize vector in-place.</dd><dt><a href="#hump.vectorvector:rotated">vector:rotated()</a></dt><dd>Get rotated vector.</dd><dt><a href="#hump.vectorvector:rotate_inplace">vector:rotate_inplace()</a></dt><dd>Rotate vector in-place.</dd><dt><a href="#hump.vectorvector:perpendicular">vector:perpendicular()</a></dt><dd>Get perpendicular vector.</dd><dt><a href="#hump.vectorvector:projectOn">vector:projectOn()</a></dt><dd>Get projection onto another vector.</dd><dt><a href="#hump.vectorvector:mirrorOn">vector:mirrorOn()</a></dt><dd>Mirrors vector on other vector</dd><dt><a href="#hump.vectorvector:cross">vector:cross()</a></dt><dd>Cross product of two vectors.</dd><dt><a href="#hump.vectorvector:angleTo">vector:angleTo()</a></dt><dd>Measure angle between two vectors.</dd></dl></div><div class="section-block" id="hump.vectorOperators"><h4>Operators <a class="top" href="#hump.vector">^top</a></h4><p>Vector arithmetic is implemented by using <code class="lua">__add</code>, <code class="lua">__mul</code> and other
metamethods:</p> metamethods:</p>
<dl> <dl>
@ -1237,7 +1237,7 @@ function Critter:draw()
love.graphics.draw(self.img, self.pos.x, self.pos.y) love.graphics.draw(self.img, self.pos.x, self.pos.y)
end end
</code></pre> </code></pre>
</div><div class="overview"><h4>Module overview</h4><dl><dt><a href="#hump.classnew">new()</a></dt><dd>Declare a new class.</dd><dt><a href="#hump.classclass.init">class.init()</a></dt><dd>Call class constructor.</dd><dt><a href="#hump.classclass:include">class:include()</a></dt><dd>Explicit class inheritance/mixin support.</dd><dt><a href="#hump.classclass:clone">class:clone()</a></dt><dd>Clone class/prototype support.</dd><dt><a href="#hump.classCaveats ">Caveats </a></dt><dd>Common gotchas.</dd></dl></div><div class="ref-block" id="hump.classnew"><h4>function <span class="name">new</span><span class="arglist">{init = constructor, __includes = parents, ...}</span><a class="top" href="#hump.class">^top</a></h4><p>Declare a new class.</p> </div><div class="overview"><h4>Module overview</h4><dl><dt><a href="#hump.classnew">new()</a></dt><dd>Declare a new class.</dd><dt><a href="#hump.classclass.init">class.init()</a></dt><dd>Call class constructor.</dd><dt><a href="#hump.classclass:include">class:include()</a></dt><dd>Explicit class inheritance/mixin support.</dd><dt><a href="#hump.classclass:clone">class:clone()</a></dt><dd>Clone class/prototype support.</dd><dt><a href="#hump.classCaveats">Caveats </a></dt><dd>Common gotchas.</dd></dl></div><div class="ref-block" id="hump.classnew"><h4>function <span class="name">new</span><span class="arglist">{init = constructor, __includes = parents, ...}</span><a class="top" href="#hump.class">^top</a></h4><p>Declare a new class.</p>
<p><code class="lua">init()</code> will receive the new object instance as first argument. Any other <p><code class="lua">init()</code> will receive the new object instance as first argument. Any other
arguments will also be forwarded (see examples), i.e. <code class="lua">init()</code> has the arguments will also be forwarded (see examples), i.e. <code class="lua">init()</code> has the
@ -1468,7 +1468,7 @@ b.baz() -- prints 'baz'
b.bar.one = 10 b.bar.one = 10
print(a.bar.one, b.bar.one) -- prints '1 10' print(a.bar.one, b.bar.one) -- prints '1 10'
</code></pre> </code></pre>
</div></div><div class="section-block" id="hump.classCaveats "><h4>Caveats <a class="top" href="#hump.class">^top</a></h4><p>Be careful when using metamethods like <code class="lua">__add</code> or <code class="lua">__mul</code>: If subclass inherits </div></div><div class="section-block" id="hump.classCaveats"><h4>Caveats <a class="top" href="#hump.class">^top</a></h4><p>Be careful when using metamethods like <code class="lua">__add</code> or <code class="lua">__mul</code>: If subclass inherits
those methods from a superclass, but does not overwrite them, the result of the those methods from a superclass, but does not overwrite them, the result of the
operation may be of the type superclass. Consider the following:</p> operation may be of the type superclass. Consider the following:</p>