--# Main

--[[
Author: Anatoly
Version: 1
Description: Creates a Color() function that returns color() from a #HEX or by color name.

Copyright 2019

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
]]

-- colors1

function setup()
    displayMode(FULLSCREEN)
    
    scrollY = 0
    scrollYAcc = 0
    scrollYAccMax = 100
    scrollYAccMin = -100
    
    touching = false
    infoState = 0
    infoVisibility = 0
    
    COLORS = _colors
    -- Sort alphabetically.
    table.sort(COLORS, function(a, b)
        return a.n < b.n
    end)
end

function showInfo()
    infoState = 1
end

function hideInfo()
    infoState = 2
end

function draw()
    scrollY = scrollY + scrollYAcc
    if scrollYAcc < 1.5 and not touching then
        scrollYAcc = scrollYAcc + .05
    elseif touching then
        scrollYAcc = scrollYAcc * .8
    end
    
    if scrollYAcc > scrollYAccMax then
        scrollYAcc = scrollYAccMax
    elseif scrollYAcc < scrollYAccMin then
        scrollYAcc = scrollYAccMin
    end
    
    if scrollY > #COLORS * 50 + 100 then
        scrollY = -HEIGHT
        scrollYAcc = 1.5
    elseif scrollY < -HEIGHT then
        scrollY = -HEIGHT
        scrollYAcc = 0
        showInfo()
    end
    
    if scrollY > 100-HEIGHT then
        hideInfo()
    end
    
    if infoState == 1 and infoVisibility < 20 then
        infoVisibility = infoVisibility + 1
    elseif infoState == 2 and infoVisibility > 0 then
        infoVisibility = infoVisibility - 1
    end
    
    background(0)
    for a, b in pairs(COLORS) do
        -- BG
        strokeWidth(40)
        stroke(b.c or color(0, 255))
        line(50, HEIGHT - 50 * a + scrollY, WIDTH-50, HEIGHT - 50 * a + scrollY)
        
        -- TEXT
        strokeWidth(0)
        --<EARLIER>fill(colors["invert-"..b.n] or color(0, 0))</EARLIER>
        fill(0)
        if (b.c.r <= 50 and b.c.g <= 50 and b.c.b <= 50) then
            fill(255)
        end
        fontSize(40)
        font("CourierNewPS-BoldMT")
        text(b.n, WIDTH*.5, HEIGHT - 50 * a + scrollY)
        
        -- COMPARISERS
        for d, e in ipairs({"white", "white-50", "black", "red", "green", "blue"}) do
            fill(Color(e))
            ellipse(50 + (d-1) * 25, HEIGHT - 50 * a + scrollY, 20)
        end
    end
    
    if infoVisibility > 0 then
        fill(255 * (infoVisibility / 20), 255)
        fontSize(100)
        font("MarkerFelt-Wide")
        text("Colors v1", WIDTH*.5, HEIGHT*.5)
        
        fill(127 * (infoVisibility / 20), 255)
        fontSize(50)
        font("Noteworthy-Light")
        text("Created by Anatoly.", WIDTH*.5, HEIGHT*.5-100)
    end
end

function touched(t)
    if t.state == BEGAN then
        touching = true
    elseif t.state == MOVING then
        scrollYAcc = scrollYAcc + t.deltaY *.2
    else -- END
        touching = false
    end
end