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July 19, 2020 01:06
Test file for chained function calls for lua syntax (from demo for flux.lua)
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-- Test file for chained function calls for lua syntax | |
-- Source: https://love2d.org/forums/viewtopic.php?t=77904 | |
local flux = require "flux" | |
local colon_out = self.kitchen | |
:getContents() | |
:getCheese() | |
:enjoyCheese(self | |
:mouth() | |
:open() | |
:extendTongue()) | |
:eatCheese() | |
:digestCheese() | |
local dot_out = self.kitchen | |
.getContents() | |
.getCheese() | |
.enjoyCheese(self | |
.mouth() | |
.open() | |
.extendTongue()) | |
.eatCheese() | |
.digestCheese() | |
function love.load() | |
text = { x = 350, y = 290, alpha = 0, str = "900 Tiny Squares" } | |
squares = {} | |
-- Title text | |
flux.to(text, 2, { alpha = 1 }):ease("linear") | |
:after(text, 2, { alpha = 0 }):ease("linear"):delay(3) | |
-- Squares | |
local i = 0 | |
for y = 1, 30 do | |
for x = 1, 30 do | |
local square = { x = x * 12 + 210, y = -10, size = 10, alpha = 1 } | |
table.insert(squares, square) | |
-- Drop from top of screen and fade out randomly | |
flux.to(square, 1, { y = y * 12 + 100 }) | |
:ease("backout") | |
:delay(7 + math.random() * 6) | |
:after(square, 1, { alpha = 0 }) | |
:delay(6 + math.random() * 4) | |
-- Fade back in from top to bottom | |
flux.to(square, 2, { alpha = 1 }) | |
:delay(25 + .01 * i) | |
:ease("linear") | |
-- Resize to single pixel diagonally from top-left to bottom-right | |
flux.to(square, 2, { size = 1 }):delay(29 + .1 * (x + y)) | |
:ease("quintout") | |
-- Form a circle | |
flux.to(square, 2, { x = 400 + math.cos(6.28 / 900 * i) * 250, | |
y = 300 + math.sin(6.28 / 900 * i) * 250 }) | |
:delay(35 + .01 * i) | |
:ease("quadinout") | |
-- Send a pulse around the circle | |
flux.to(square, .04, { size = 8 }) | |
:delay(43 + .005 * i) | |
:after(square, .6, { size = 1 }) | |
-- Form a square | |
flux.to(square, 2, { x = 370 + y * 2, y = 270 + x * 2 }) | |
:delay(46 + .01 * (i % 450)) | |
:ease("quintinout") | |
-- Place randomly and randomise alpha | |
flux.to(square, 2, { x = math.random() * 800, | |
y = math.random() * 600, | |
alpha = math.random() }) | |
:delay(53 + math.random() * 4) | |
:ease("expoinout") | |
-- Fall off the bottom of the screen | |
flux.to(square, 3, { y = 601 }):ease("circin"):delay(59 + i * .01) | |
i = i + 1 | |
end | |
end | |
end | |
function love.update(dt) | |
flux.update(dt) | |
end | |
function love.keypressed(k) | |
if k == "escape" then os.exit() end | |
end | |
function love.draw() | |
for k, square in pairs(squares) do | |
love.graphics.setColor(255, 255, 255, square.alpha * 255) | |
love.graphics.rectangle("fill", square.x, square.y, | |
square.size, square.size) | |
end | |
love.graphics.setColor(255, 255, 255, text.alpha * 255) | |
love.graphics.print(text.str, text.x, text.y) | |
love.graphics.setColor(255, 255, 255, .4 * 255) | |
love.graphics.print("fps: " .. love.timer.getFPS() .. "\n" .. | |
"tweens: " .. #flux.tweens, 20, 20) | |
end |
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