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-- For luaJit compatibility.
if table.unpack == nil then
table.unpack = unpack
end
local Vector3 = Vector3 or require( "vector3" )
local Color = {}
local metatable = {
__index = Color,
__tostring = function( c )
return "{"..math.floor( c.r )..", "..math.floor( c.g )..", "..math.floor( c.b )..", "..math.floor( c.a ).."}"
end,
__add = function( c1, c2 )
return Color:new( c1.r + c2.r, c1.g + c2.g, c1.b + c2.b, c1.a + c2.a )
end,
__sub = function( c1, c2 )
return Color:new( c1.r - c2.r, c1.g - c2.g, c1.b - c2.b, c1.a - c2.a )
end,
__mul = function( c1, c2 )
return Color:new( c1.r * c2.r, c1.g * c2.g, c1.b * c2.b, c1.a * c2.a )
end,
__div = function( c1, c2 )
return Color:new( c1.r / c2.r, c1.g / c2.g, c1.b / c2.b, c1.a / c2.a )
end,
__mod = function( c, v )
return Color:new( c.r % v, c.g % v, c.b % v, c.a % v )
end,
__pow = function( c, v )
return Color:new( c.r ^ v, c.g ^ v, c.b ^ v, c.a ^ v )
end,
__len = function()
return 4
end,
__eq = function( c1, c2 )
return RL.FloatEquals( c1.r, c2.r )
and RL.FloatEquals( c1.g, c2.g )
and RL.FloatEquals( c1.b, c2.b )
and RL.FloatEquals( c1.a, c2.a )
end,
__concat = function( a, b )
return tostring( a )..tostring( b )
end,
}
function Color:new( r, g, b, a )
local object = setmetatable( {}, metatable )
object.r = r or 255
object.g = g or object.r
object.b = b or object.g
object.a = a or 255
return object
end
function Color:newT( t )
local object = setmetatable( {}, metatable )
object.r, object.g, object.b, object.a = table.unpack( t )
return object
end
function Color:newC( c )
local object = setmetatable( {}, metatable )
object.r = c.r
object.g = c.g
object.b = c.b
object.a = c.a
return object
end
function Color:set( r, g, b, a )
self.r = r or 255
self.g = g or self.r
self.b = b or self.g
self.a = a or 255
end
function Color:setT( t )
self.r, self.g, self.b, self.a = table.unpack( t )
end
function Color:setC( c )
self.r = c.r
self.g = c.g
self.b = c.b
self.a = c.a
end
function Color:serialize()
return "Color:new("..RL.Round( self.r )..","..RL.Round( self.g )..","..RL.Round( self.b )..","..RL.Round( self.a )..")"
end
function Color:arr()
return { self.r, self.g, self.b, self.a }
end
function Color:unpack()
return self.r, self.g, self.b, self.a
end
function Color:clone()
return Color:new( self.r, self.g, self.b, self.a )
end
function Color:scale( scalar )
return Color:new( math.floor( self.r * scalar ), math.floor( self.g * scalar ), math.floor( self.b * scalar ), math.floor( self.a * scalar ) )
end
function Color:fade( alpha )
return Color:newT( RL.Fade( self, alpha ) )
end
function Color:toHex()
return RL.ColorToInt( self )
end
function Color:fromHex( hexValue )
return Color:newT( RL.GetColor( hexValue ) )
end
function Color:getNormalized()
return RL.ColorNormalize( self )
end
function Color:fromNormalized( normalized )
return Color:newT( RL.ColorFromNormalized( normalized ) )
end
function Color:toHSV()
return Vector3:newT( RL.ColorToHSV( self ) )
end
function Color:fromHSV( hue, saturation, value )
return Color:newT( RL.ColorFromHSV( hue, saturation, value ) )
end
function Color:tint( tint )
return Color:newT( RL.ColorTint( self, tint ) )
end
function Color:brightness( factor )
return Color:newT( RL.ColorBrightness( self, factor ) )
end
function Color:contrast( contrast )
return Color:newT( RL.ColorContrast( self, contrast ) )
end
function Color:alphaBlend( dst, src, tint )
return Color:newT( RL.ColorAlphaBlend( dst, src, tint ) )
end
function Color:lerp( color, amount )
return Color:temp(
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 )
):round()
end
function Color:round()
return Color:new(
RL.Round( self.r ),
RL.Round( self.g ),
RL.Round( self.b ),
RL.Round( self.a )
)
end
function Color:mix( c )
return Color:temp(
( self.r + c.r ) / 2,
( self.g + c.g ) / 2,
( self.b + c.b ) / 2,
( self.a + c.a ) / 2
):round()
end
function Color:invert()
return Color:new( 255 - self.r, 255 - self.g, 255 - self.b, self.a )
end
-- Temp pre generated objects to avoid "slow" table generation.
local TEMP_COUNT = 100
local tempPool = {}
local curTemp = 1
for _ = 1, TEMP_COUNT do
table.insert( tempPool, Color:new( 255, 255, 255, 255 ) )
end
function Color:temp( r, g, b, a )
local object = tempPool[ curTemp ]
curTemp = curTemp < TEMP_COUNT and curTemp + 1 or 1
object.r = r or 255
object.g = g or object.r
object.b = b or object.g
object.a = a or 255
return object
end
function Color:tempT( t )
local object = tempPool[ curTemp ]
curTemp = curTemp < TEMP_COUNT and curTemp + 1 or 1
object.r, object.g, object.b, object.a = table.unpack( t )
return object
end
function Color:tempC( c )
local object = tempPool[ curTemp ]
curTemp = curTemp < TEMP_COUNT and curTemp + 1 or 1
object.r = c.r
object.g = c.g
object.b = c.b
object.a = c.a
return object
end
function Color:getTempId()
return curTemp
end
return Color
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