From ae1d0b65f16b24f2e0db39cb8baef4af57b2a12f Mon Sep 17 00:00:00 2001
From: jussi
Date: Sun, 17 Mar 2024 10:38:30 +0200
Subject: Round and pubsub lib.

---
 examples/resources/lib/color.lua   |  9 +++++++++
 examples/resources/lib/pubsub.lua  | 34 ++++++++++++++++++++++++++++++++++
 examples/resources/lib/utillib.lua |  5 +++++
 3 files changed, 48 insertions(+)
 create mode 100644 examples/resources/lib/pubsub.lua

(limited to 'examples/resources')

diff --git a/examples/resources/lib/color.lua b/examples/resources/lib/color.lua
index 9369a34..a508fa3 100644
--- a/examples/resources/lib/color.lua
+++ b/examples/resources/lib/color.lua
@@ -144,4 +144,13 @@ function Color:alphaBlend( dst, src, tint )
 	return Color:new( RL.ColorAlphaBlend( dst, src, tint ) )
 end
 
+function Color:lerp( color, amount )
+	return Color:new(
+		RL.Lerp( self.r, color.r, amount ),
+		RL.Lerp( self.g, color.g, amount ),
+		RL.Lerp( self.b, color.b, amount ),
+		RL.Lerp( self.a, color.a, amount )
+	)
+end
+
 return Color
diff --git a/examples/resources/lib/pubsub.lua b/examples/resources/lib/pubsub.lua
new file mode 100644
index 0000000..2847d92
--- /dev/null
+++ b/examples/resources/lib/pubsub.lua
@@ -0,0 +1,34 @@
+local PubSub = {}
+PubSub.__index = PubSub
+
+function PubSub:new()
+	local object = setmetatable( {}, self )
+
+	object.signals = {}
+
+	return object
+end
+
+function PubSub:add( name )
+	self.signals[ name ] = {}
+end
+
+function PubSub:subscribe( name, func )
+	table.insert( self.signals[ name ], func )
+end
+
+function PubSub:unSubscribe( name, uFunc )
+	for i, func in ipairs( self.signals[ name ] ) do
+		if func == uFunc then
+			table.remove( self.signals[ name ], i )
+		end
+	end
+end
+
+function PubSub:publish( name, ... )
+	for _, func in ipairs( self.signals[ name ] ) do
+		func( ... )
+	end
+end
+
+return PubSub
diff --git a/examples/resources/lib/utillib.lua b/examples/resources/lib/utillib.lua
index 0b54e12..73bb11c 100644
--- a/examples/resources/lib/utillib.lua
+++ b/examples/resources/lib/utillib.lua
@@ -1,5 +1,10 @@
 -- Define useful global functions.
 
+-- For luaJit compatibility.
+if table.unpack == nil then
+	table.unpack = unpack
+end
+
 local utillib = {}
 
 function utillib.tableClone( org )
-- 
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