SashLilac/cambridge
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Merge pull request #17 from nightmareci/master

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Improved latency and performance
This commit is contained in:
Ishaan Bhardwaj 2021-05-27 09:34:46 -04:00 committed by GitHub
commit ae1231c47a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 73 additions and 58 deletions
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91
main.lua
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@ -55,44 +55,6 @@ function initModules()
return tostring(a.name):gsub("%d+",padnum) < tostring(b.name):gsub("%d+",padnum) end) return tostring(a.name):gsub("%d+",padnum) < tostring(b.name):gsub("%d+",padnum) end)
end end
local TARGET_FPS = 60
local SAMPLE_SIZE = 60
local rolling_samples = {}
local rolling_total = 0
local average_n = 0
local frame = 0
function getSmoothedDt(dt)
rolling_total = rolling_total + dt
frame = frame + 1
if frame > SAMPLE_SIZE then frame = frame - SAMPLE_SIZE end
if average_n == SAMPLE_SIZE then
rolling_total = rolling_total - rolling_samples[frame]
else
average_n = average_n + 1
end
rolling_samples[frame] = dt
return rolling_total / average_n
end
local update_time = 0.52
function love.update(dt)
processBGMFadeout(dt)
local old_update_time = update_time
update_time = update_time + getSmoothedDt(dt) * TARGET_FPS
updates = 0
while (update_time >= 1.02) do
scene:update()
updates = updates + 1
update_time = update_time - 1
end
if math.abs(update_time - old_update_time) < 0.02 then
update_time = old_update_time
end
end
function love.draw() function love.draw()
love.graphics.setCanvas(GLOBAL_CANVAS) love.graphics.setCanvas(GLOBAL_CANVAS)
love.graphics.clear() love.graphics.clear()
@ -308,3 +270,56 @@ function love.resize(w, h)
GLOBAL_CANVAS:release() GLOBAL_CANVAS:release()
GLOBAL_CANVAS = love.graphics.newCanvas(w, h) GLOBAL_CANVAS = love.graphics.newCanvas(w, h)
end end
local TARGET_FPS = 60
function love.run()
if love.load then love.load(love.arg.parseGameArguments(arg), arg) end
if love.timer then love.timer.step() end
local dt = 0
local last_time = love.timer.getTime()
local time_accumulator = 0
return function()
if love.event then
love.event.pump()
for name, a,b,c,d,e,f in love.event.poll() do
if name == "quit" then
if not love.quit or not love.quit() then
return a or 0
end
end
love.handlers[name](a,b,c,d,e,f)
end
end
if love.timer then
processBGMFadeout(love.timer.step())
end
if scene and scene.update and love.timer then
scene:update()
local frame_duration = 1.0 / TARGET_FPS
if time_accumulator < frame_duration then
if love.graphics and love.graphics.isActive() and love.draw then
love.graphics.origin()
love.graphics.clear(love.graphics.getBackgroundColor())
love.draw()
love.graphics.present()
end
local end_time = last_time + frame_duration
local time = love.timer.getTime()
while time < end_time do
love.timer.sleep(0.001)
time = love.timer.getTime()
end
time_accumulator = time_accumulator + time - last_time
end
time_accumulator = time_accumulator - frame_duration
end
last_time = love.timer.getTime()
end
end