Musiclight/musiclight2
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Make VU meter symmetrical to center module

Browse source
This commit is contained in:
Thomas Kolb 2012-07-29 23:45:14 +02:00
parent c15d815da9
commit bac8df287c
1 changed files with 16 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
vumeter.lua
View file

@ -1,5 +1,5 @@
COOLDOWN_FACTOR = 0.9998
FACTOR = 0.2
FACTOR = 0.033
num_modules = 20
center_module = 10
@ -44,21 +44,33 @@ function periodic()
local brightness = rms / maxRMS
for i = 1,num_modules do
if i <= num_modules * redEnergy / maxRedEnergy then
if i <= center_module and
center_module - i < center_module * redEnergy / maxRedEnergy or
i > center_module and
i - (center_module + 1) < (num_modules-center_module) * redEnergy / maxRedEnergy
then
redTarget = brightness
else
redTarget = 0
end
red[i] = (1 - FACTOR) * red[i] + FACTOR * redTarget;
if i <= num_modules * greenEnergy / maxGreenEnergy then
if i <= center_module and
center_module - i < center_module * greenEnergy / maxGreenEnergy or
i > center_module and
i - (center_module + 1) < (num_modules-center_module) * greenEnergy / maxGreenEnergy
then
greenTarget = brightness
else
greenTarget = 0
end
green[i] = (1 - FACTOR) * green[i] + FACTOR * greenTarget;
if i <= num_modules * blueEnergy / maxBlueEnergy then
if i <= center_module and
center_module - i < center_module * blueEnergy / maxBlueEnergy or
i > center_module and
i - (center_module + 1) < (num_modules-center_module) * blueEnergy / maxBlueEnergy
then
blueTarget = brightness
else
blueTarget = 0