forked from KolibriOS/kolibrios
461 lines
12 KiB
Lua
461 lines
12 KiB
Lua
--3D-Palette viewer V0.72 (HSL-models added, 3D-World added, Pen-color only cycles thru unique colors, InputBox)
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--by Richard 'Dawnbringer' Fhager
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-- Mouse: Rotate Cube (Stops animation)
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-- Arrow-keys: Move Cube (in 3D world)
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-- F1: Start/Stop animation
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-- F2: Reset
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-- F3: Increase Color-Size
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-- F4: Decrease Color-Size
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-- F5: (Wip) Cycle thru selected PenColor (Note that only unique colors are displayed)
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-- F9: RGB-space model
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--F10: HSL-space model
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--F11: HSLcubic-space model
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-- "+" (Num): Zoom In
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-- "-" (Num): Zoom Out
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-- Esc: Exit script
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-- Drawing updated, rectangle missing, Sep11
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run("../libs/dawnbringer_lib.lua")
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BRIDIAG_SHOW = 1 -- Show brightness/Grayscale diagonal (1 = on, 0 = off)
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ANIM = 1 -- Animation (1 = on, 0 = off)
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BOX_DRK = 8 -- Darkest color used for box (0-255)
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BOX_BRI = 112 -- Brightest color used for box (0-255)
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COLSIZE_BASE = 26 -- Colors base size (value to adjusted by palette-size, with 2 cols maxsize is v / 1.23)
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--
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OK,RGB,HSL,HSLC,BOX_BRI,COLSIZE_BASE,SET800x600 = inputbox("3D-Palette Viewer Settings",
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"1. RGB space [F9]", 1, 0,1,-1,
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"2. HSL space [F10]", 0, 0,1,-1,
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"3. HSL-cubic space [F11]",0, 0,1,-1,
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"Box Brightness (16-255)", BOX_BRI, 16,255,0,
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"Col Size (1-100) [F3/F4]", COLSIZE_BASE, 1,100,0,
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"Set Screen to 800x600", 1,0,1,0
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);
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--
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if OK then
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if SET800x600 == 1 then setpicturesize(800,600); end
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SPACE = "rgb"
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FORM = "cube"
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if HSL == 1 then
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SPACE = "hsl"
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FORM = "cylinder"
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end
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if HSLC == 1 then
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SPACE = "hsl_cubic"
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FORM = "cube"
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end
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pal = db.fixPalette(db.makePalList(256))
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FG = getforecolor()
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BG = getbackcolor()
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palcol = FG
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--
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function initColors(space)
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for n = 1, #pal, 1 do
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c = pal[n];
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if space == "rgb" then
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cols[n] = {c[1]/128-1,c[2]/128-1,c[3]/128-1,c[4]};
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end
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if space == "hsl_cubic" then
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cols[n] = {}
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cols[n][1] = (db.getHUE(c[1],c[2],c[3],0) / 6.0 * 255) / 128 - 1
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cols[n][2] = (db.getSaturation(c[1],c[2],c[3])) / 128 - 1
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cols[n][3] = (db.getLightness(c[1],c[2],c[3])) / 128 - 1
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cols[n][4] = c[4]
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end
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if space == "hsl" then
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cols[n] = {}
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hue = db.getHUE(c[1],c[2],c[3],0) / 6.0 * math.pi*2
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rad = db.getSaturation(c[1],c[2],c[3]) / 256
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cols[n][1] = math.cos(hue) * rad
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cols[n][2] = math.sin(hue) * rad
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cols[n][3] = (db.getLightness(c[1],c[2],c[3])) / 128 - 1
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cols[n][4] = c[4]
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end
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end
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end
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--
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cols = {} -- Make points of palette colors
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colz = {} -- To hold calculated points
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initColors(SPACE)
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function initPointsAndLines(form,bridiag)
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if form == "cube" then
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pts = {{-1,1,-1},{1,1,-1},{1,-1,-1},{-1,-1,-1}, -- The box
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{-1,1, 1},{1,1, 1},{1,-1, 1},{-1,-1, 1}}
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lin = {{1,2},{2,3},{3,4},{4,1},{5,6},{6,7},{7,8},{8,5},{1,5},{2,6},{3,7},{4,8}} -- Box Lines
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if bridiag == 1 then lin[13] = {4,6}; end
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end
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if form == "cylinder" then
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p = 28
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pts = {}
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lin = {}
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for n = 1, p, 1 do
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x = math.cos(math.pi*2 / p * (n-1))
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y = math.sin(math.pi*2 / p * (n-1))
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pts[n] = {x,y,-1}
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lin[n] = {n,1 + (n%p)}
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pts[n + p] = {x,y,1}
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lin[n + p] = {n+p,p + 1 + (n%p)}
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end
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lin[p*2+1] = {1,p+1} -- Red (0 degrees)
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lin[p*2+2] = {p+1,p+1+math.ceil(p/2)} -- Lightness end (needs an even # of points to work)
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end
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end
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boxp = {} -- To hold the calculated points
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initPointsAndLines(FORM,BRIDIAG_SHOW)
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w,h = getpicturesize()
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CX,CY = w/2, h/2
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function initAndReset()
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XANG, YANG, ZANG, ZOOM, COLSIZE_ADJ, XD, YD, WORLD_X, WORLD_Y, ZSELECT = 0,0,0,0,0,0,0,0,0,0
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end
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initAndReset()
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SIZE = math.min(w,h)/4
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DIST = 5 -- Distance perspective modifier, ~5 is nominal, more means "less 3D"
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CMAXSIZE = math.floor(COLSIZE_BASE / ((#pal)^0.3))
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--CMAXSIZE = 8
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CMINSIZE = 1 -- Negative values are ok. Color are never smaller than 1 pix
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BOX_LINE_DIV = 20 -- Number of colors/segments that a box-line can be divided into (depth)
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BOX_DIV_MULT = BOX_LINE_DIV / (math.sqrt(3)*2)
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-- Box depth colors
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box_div = {}
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for n = 0, BOX_LINE_DIV-1, 1 do
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c = BOX_DRK + (BOX_BRI / (BOX_LINE_DIV - 1)) * n
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--box_div[BOX_LINE_DIV - n] = matchcolor(c,c,c)
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box_div[BOX_LINE_DIV - n] = db.getBestPalMatchHYBRID({c,c,c},pal,0.5,true)
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end
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--BOX_COL = matchcolor(80,80,80)
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BKG_COL = matchcolor(0,0,0)
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--CUR_COL = matchcolor(112,112,112)
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function rotate3D(x,y,z,Xsin,Ysin,Zsin,Xcos,Ycos,Zcos) -- PrecCalced cos&sin for speed
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local x1,x2,x3,y1,y2,y3,f,xp,yp
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x1 = x
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y1 = y * Xcos + z * Xsin
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z1 = z * Xcos - y * Xsin
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x2 = x1 * Ycos - z1 * Ysin
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y2 = y1
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z2 = x1 * Ysin + z1 * Ycos
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x3 = x2 * Zcos - y2 * Zsin
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y3 = x2 * Zsin + y2 * Zcos
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z3 = z2
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return x3,y3,z3
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end
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function do3D(x,y,z,zoom,dist,Xsin,Ysin,Zsin,Xcos,Ycos,Zcos) -- PrecCalced cos&sin for speed
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local x1,x2,x3,y1,y2,y3,f,xp,yp
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x1 = x
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y1 = y * Xcos + z * Xsin
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z1 = z * Xcos - y * Xsin
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x2 = x1 * Ycos - z1 * Ysin
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y2 = y1
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z2 = x1 * Ysin + z1 * Ycos
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x3 = x2 * Zcos - y2 * Zsin
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y3 = x2 * Zsin + y2 * Zcos
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z3 = z2
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f = dist/(z3 + dist + zoom)
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xp = x3 * f
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yp = y3 * f
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return xp,yp,z3
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end
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function draw3Dline(x1,y1,z1,x2,y2,z2,div,mult,depthlist)
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local s,xt,yt,xd,yd,zd,xf,yf
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xd = (x2 - x1) / div
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yd = (y2 - y1) / div
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zd = (z2 - z1) / div
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xf,yf = x1,y1
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for s = 1, div, 1 do
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-- Depth assumes a 1-Box (z ranges from -sq(3) to sq(3))
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depth = math.floor(1 + (z1+zd*s + 1.732) * mult)
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xt = x1 + xd*s -- + math.random()*8
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yt = y1 + yd*s -- + math.random()*8
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c = depthlist[depth]
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if c == null then c = 1; end -- Something isn't perfect, error is super rare but this controls it
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--db.line(xf,yf,xt,yt,c)
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drawline(xf,yf,xt,yt,c)
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xf = xt
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yf = yt
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end
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end
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function killinertia()
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XD = 0
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YD = 0
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end
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-- If using 1-box, z is -sq(3) to sq(3)
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minz = math.sqrt(3)
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totz = minz * 2
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maxrad = CMAXSIZE - CMINSIZE
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--q = 0
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--delay = 4
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--move = 0.03
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while 1 < 2 do
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-- Time-for-space-wiggle...or somekindof attempt
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--WORLD_X = -move
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--q = (q + 1) % delay
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--if q < delay/2 then WORLD_X = move; end
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clearpicture(BKG_COL)
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Xsin = math.sin(XANG); Xcos = math.cos(XANG)
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Ysin = math.sin(YANG); Ycos = math.cos(YANG)
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Zsin = math.sin(ZANG); Zcos = math.cos(ZANG)
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-- Rotate Box points
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for n = 1, #pts, 1 do
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p = pts[n]
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x,y,z = p[1],p[2],p[3]
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XP,YP,zp = rotate3D(x,y,z,Xsin,Ysin,Zsin,Xcos,Ycos,Zcos)
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boxp[n] = {XP,YP,zp}
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end
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-- Rotate Colors in palette
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for n = 1, #cols, 1 do
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p = cols[n]
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x,y,z,c = p[1],p[2],p[3],p[4]
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XP,YP,zp = rotate3D(x,y,z,Xsin,Ysin,Zsin,Xcos,Ycos,Zcos)
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colz[n] = {XP,YP,zp,c}
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end
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------------------------------------
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-- Control world
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------------------------------------
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-- Calculate points anew
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-- Worldize Box points
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for n = 1, #boxp, 1 do
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s = SIZE
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v = boxp[n]
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x = v[1] + WORLD_X
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y = v[2] + WORLD_Y
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z = v[3]
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f = DIST/(z + DIST + ZOOM)
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XP = CX + x * f * s
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YP = CY + y * f * s
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boxp[n] = {XP,YP,z}
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end
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-- Worldize Colors in palette
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for n = 1, #colz, 1 do
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s = SIZE
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v = colz[n]
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x = v[1] + WORLD_X
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y = v[2] + WORLD_Y
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z = v[3]
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c = v[4]
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f = DIST/(z + DIST + ZOOM)
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XP = CX + x * f * s
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YP = CY + y * f * s
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colz[n] = {XP,YP,z,c}
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end
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-------------------------------------
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-------------------------------------
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-- Brightness Diagonal
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--if BRIDIAG_SHOW == 1 then
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-- p1 = boxp[4]
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-- p2 = boxp[6]
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-- x1,y1,z1 = p1[1],p1[2],p1[3]
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-- x2,y2,z2 = p2[1],p2[2],p2[3]
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-- draw3Dline(x1,y1,z1,x2,y2,z2,BOX_LINE_DIV,BOX_DIV_MULT,box_div)
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--end
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--c1 = math.min(FG,BG)
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--c2 = math.max(FG,BG)
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--p = colz[26]
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--XP1,YP1,zp1,c1 = p[1],p[2],p[3],p[4]
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--for n = #colz, 1, -1 do
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-- p = colz[27]
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-- XP2,YP2,zp2,c2 = p[1],p[2],p[3],p[4]
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-- drawline(XP1,YP1,XP2,YP2,c1)
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--end
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-- sort on z
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db.sorti(colz,3)
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-- Draw colors
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for n = #colz, 1, -1 do
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p = colz[n]
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XP,YP,zp,c = p[1],p[2],p[3],p[4]
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radius = CMINSIZE + maxrad - (zp+minz) / totz * maxrad
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dorad = math.floor(radius - ZOOM*2 + COLSIZE_ADJ)
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if dorad >= 1 then
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--db.drawCircle(XP,YP,dorad,c)
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drawdisk(XP,YP,dorad,c)
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--db.drawRectangle(XP,YP,dorad,dorad,c)
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else putpicturepixel(XP,YP,c)
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end
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if c == FG or c == BG then
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sz = math.max(3,dorad + 3)
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if c == BKG_COL then v = (c+128) % 255; c = matchcolor(v,v,v); end
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db.drawRectangleLine(XP-sz,YP-sz,sz*2,sz*2,c)
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end
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end -- colz
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-- Draw box
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for n = 1, #lin, 1 do
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l = lin[n]
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p1 = boxp[l[1]]
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p2 = boxp[l[2]]
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x1,y1,z1 = p1[1],p1[2],p1[3]
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x2,y2,z2 = p2[1],p2[2],p2[3]
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draw3Dline(x1,y1,z1,x2,y2,z2,BOX_LINE_DIV,BOX_DIV_MULT,box_div)
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end -- eof box
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--updatescreen(); if (waitbreak(0.00)==1) then return; end
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repeat
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old_key = key;
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old_mouse_x = mouse_x;
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old_mouse_y = mouse_y;
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old_mouse_b = mouse_b;
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updatescreen()
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moved, key, mouse_x, mouse_y, mouse_b = waitinput(0)
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if mouse_b == 1 then ANIM = 0; end
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if (key==27) then
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return;
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end
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if (key==282) then ANIM = (ANIM+1) % 2; end -- F1: Stop/Start Animation
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if (key==283) then initAndReset(); end -- F2: Reset all values
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if (key==284) then COLSIZE_ADJ = COLSIZE_ADJ + 0.5; end -- F3
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if (key==285) then COLSIZE_ADJ = COLSIZE_ADJ - 0.5; end -- F4
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--messagebox(key)
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if (key==286) then
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--FG = (FG + 1) % 255;
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palcol = (palcol + 1) % #pal
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FG = pal[palcol+1][4]
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setforecolor(FG);
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setcolor(0,getcolor(0)) -- Force update of palette until setforecolor() is fixed
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end -- F5
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if (key==290) then -- F9
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initColors("rgb")
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initPointsAndLines("cube",BRIDIAG_SHOW)
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end
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if (key==291) then -- F10
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initColors("hsl")
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initPointsAndLines("cylinder", 0) -- Bridiag won't show even if turned on, it's only for cube
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end
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if (key==292) then -- F11
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initColors("hsl_cubic")
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initPointsAndLines("cube",BRIDIAG_SHOW)
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end
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if (key==269) then ZOOM = ZOOM + 0.1; end
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if (key==270) then ZOOM = ZOOM - 0.1; end
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if (key==32) then
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ZSELECT = (ZSELECT + math.pi/2) % (2*math.pi);
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--YANG = ((YANG - math.pi/2) % (math.pi*2));
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--XANG = ((XANG + math.pi/2) % (math.pi*2));
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YANG = ((YANG + math.pi/2) % (math.pi*2));
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XANG = ((XANG + math.pi/2) % (math.pi*2));
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YANG = ((YANG - math.pi/2) % (math.pi*2));
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end -- Rotate Z 90 Degrees
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SPEED = math.pi / 100
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if (key==273) then WORLD_Y = WORLD_Y - 0.05; killinertia(); end
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if (key==274) then WORLD_Y = WORLD_Y + 0.05; killinertia(); end
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if (key==276) then WORLD_X = WORLD_X - 0.05; killinertia(); end
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if (key==275) then WORLD_X = WORLD_X + 0.05; killinertia(); end
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until ((mouse_b == 1 and (old_mouse_x~=mouse_x or old_mouse_y~=mouse_y)) or key~=0 or ANIM==1 or math.abs(XD)>0.01 or math.abs(YD)>0.01);
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if ANIM == 0 then
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if (mouse_b==1 and (old_mouse_x~=mouse_x or old_mouse_y~=mouse_y)) then -- Inertia
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XD = (mouse_y - old_mouse_y)*0.005
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YD = (mouse_x - old_mouse_x)*0.005
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else
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XD = XD*0.92
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YD = YD*0.92
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end
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XANG = ((XANG - XD) % (math.pi*2));
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YANG = ((YANG + YD) % (math.pi*2));
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ZANG = ZSELECT
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end
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if ANIM == 1 then
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XANG = (XANG + math.pi/300) % (math.pi*2)
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YANG = (YANG + math.pi/500) % (math.pi*2)
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ZANG = (ZANG + math.pi/1000) % (math.pi*2)
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end
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--XANG = ((CY-mouse_y) / 200 % (math.pi*2));
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--YANG = ((mouse_x - CX) / 200 % (math.pi*2));
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--ZANG = 0
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statusmessage("x"..math.floor(XANG*57.3).."<EFBFBD> y"..math.floor(YANG*57.3).."<EFBFBD> z"..math.floor(ZANG*57.3).."<EFBFBD> Zm: "..math.floor(-ZOOM*10).." ")
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end
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end -- OK
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