here’s a seamstress version. would love to add this to the seamstress repo as an example script if that’s all right with you @tehn!
--- plasma!
-- written by @tehn for norns
-- adapted by @ryleelyman for seamstress
--
-- +/- time
-- number keys func
-- up/down a
-- left/right b
-- shift + up/down c
-- shift + left/right d
--
-- submit new funcs!
abs = math.abs
floor = math.floor
sin = math.sin
cos = math.cos
sqrt = math.sqrt
func = {
function(x,y) return abs(floor(16*(sin(x/a + t*c) + cos(y/b + t*d))))%16 end,
function(x,y) return abs(floor(16*(sin(x/y)*a + t*b)))%16 end,
function(x,y) return abs(floor(16*(sin(sin(t*a)*c + (t*b) + sqrt(y*y*(y*c) + x*(x/d))))))%16 end,
}
f = 1
p = {}
t = 0
time = 0.02
a = 3.0
b = 5.0
c = 1.0
d = 1.1
alt = false
g = grid.connect()
function tick()
while true do
t = t+(time*0.1)
process()
redraw()
grid_redraw()
clock.sleep(1/60)
end
end
function init()
print("hello")
process()
redraw()
clock.run(tick)
end
function process()
for x=1,16 do
for y=1,16 do
p[y*16+x] = func[f](x,y)
end
end
end
function grid_redraw()
for y=1,16 do
for x=1,16 do
g:led(x,y,p[x+y*16])
end
end
g:refresh()
end
function screen.key(char, modifiers, _, state)
if state == 1 then
if char == "1" then
f = 1
elseif char == "2" then
f = 2
elseif char == "3" then
f = 3
elseif char == "-" then
time = time - 0.001
elseif char == "=" then
time = time + 0.001
elseif char.name == "up" then
if tab.contains(modifiers, "shift") then
c = c + 0.01
else
a = a + 0.01
end
elseif char.name == "down" then
if tab.contains(modifiers, "shift") then
c = c - 0.01
else
a = a - 0.01
end
elseif char.name == "left" then
if tab.contains(modifiers, "shift") then
d = d - 0.01
else
b = b - 0.01
end
elseif char.name == "right" then
if tab.contains(modifiers, "shift") then
d = d + 0.01
else
b = b + 0.01
end
end
end
end
function color(x, y)
local r = util.linlin(0, 15, 0, 255, p[y*16+x])
local g = util.linlin(0, 15, 0, 255, p[y*16+y])
local b = util.linlin(0, 15, 0, 255, p[x*16+y])
return r, g, b
end
function redraw()
screen.clear()
for x=1,16 do
for y=1,16 do
screen.color(color(x,y))
screen.pixel((x-1)*4, (y-1)*4)
end
end
screen.color(255, 255, 255)
screen.move(120,10)
screen.text("t")
screen.move(115,10)
screen.text_right(time)
screen.move(120,20)
screen.text("f")
screen.move(115,20)
screen.text_right(f)
screen.move(120,30)
screen.text("a")
screen.move(115,30)
screen.text_right(a)
screen.move(120,40)
screen.text("b")
screen.move(115,40)
screen.text_right(b)
screen.move(120,50)
screen.text("c")
screen.move(115,50)
screen.text_right(c)
screen.move(120,60)
screen.text("d")
screen.move(115,60)
screen.text_right(d)
screen.refresh()
end
but instead of looping through the coordinates like you did, i was doing a