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