f6da992038
* Add the dawnbringer lib Some changes were made * Remove line and filled circle functions from dawnbringer lib * Add C replacement (slightly faster, and useful enough to be part of core) git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1730 416bcca6-2ee7-4201-b75f-2eb2f807beb1
432 lines
11 KiB
Lua
432 lines
11 KiB
Lua
--3D-Palette viwer V0.7 (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
|
||
|
||
require("dawnbringer_lib")
|
||
|
||
|
||
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 Viever 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 = 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
|
||
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
|
||
|
||
-- 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
|
||
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
|
||
|
||
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
|
||
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 = 0
|
||
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).."<EFBFBD>, Y: "..math.floor(YANG*57.3).."<EFBFBD>, Z: "..math.floor(ZANG*57.3).."<EFBFBD>, Zoom: "..math.floor(-ZOOM*10).." ")
|
||
end
|
||
|
||
end -- OK
|