mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2025-12-21 01:36:02 +08:00
84 lines
2.6 KiB
Lua
84 lines
2.6 KiB
Lua
-------------------------------------------------------------------------------
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-- Spine Runtimes License Agreement
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-- Last updated January 1, 2020. Replaces all prior versions.
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--
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-- Copyright (c) 2013-2020, Esoteric Software LLC
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--
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-- Integration of the Spine Runtimes into software or otherwise creating
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-- derivative works of the Spine Runtimes is permitted under the terms and
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-- conditions of Section 2 of the Spine Editor License Agreement:
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-- http://esotericsoftware.com/spine-editor-license
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--
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-- Otherwise, it is permitted to integrate the Spine Runtimes into software
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-- or otherwise create derivative works of the Spine Runtimes (collectively,
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-- "Products"), provided that each user of the Products must obtain their own
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-- Spine Editor license and redistribution of the Products in any form must
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-- include this license and copyright notice.
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--
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-- THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
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-- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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-- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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-- DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
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-- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
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-- BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
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-- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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-- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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-- THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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-------------------------------------------------------------------------------
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local setmetatable = setmetatable
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local utils = require "spine-lua.utils"
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local Color = {}
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Color.__index = Color
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function Color.new ()
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local self = {
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r = 0, g = 0, b = 0, a = 0
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}
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setmetatable(self, Color)
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return self
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end
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function Color.newWith (r, g, b, a)
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local self = {
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r = r, g = g, b = b, a = a
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}
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setmetatable(self, Color)
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return self
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end
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function Color:set(r, g, b, a)
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self.r = r
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self.g = g
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self.b = b
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self.a = a
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end
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function Color:setFrom(color)
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self.r = color.r
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self.g = color.g
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self.b = color.b
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self.a = color.a
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end
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function Color:add(r, g, b, a)
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self.r = self.r + r
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self.g = self.g + g
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self.b = self.b + b
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self.a = self.a + a
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self:clamp()
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end
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function Color:clamp()
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self.r = utils.clamp(self.r, 0, 1)
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self.g = utils.clamp(self.g, 0, 1)
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self.b = utils.clamp(self.b, 0, 1)
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self.a = utils.clamp(self.a, 0, 1)
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end
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return Color
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