From 479ffe94eaa9c4bff92318c68319ec8eada6609f Mon Sep 17 00:00:00 2001 From: Kazhnuz Date: Sun, 27 Jan 2019 20:27:47 +0100 Subject: [PATCH] src: add loveutils as a lib --- .../libs/loveutils/filesystem.lua | 16 ++++ .../libs/loveutils/graphics.lua | 64 ++++++++++++++ sonic-radiance.love/libs/loveutils/init.lua | 7 ++ sonic-radiance.love/libs/loveutils/math.lua | 88 +++++++++++++++++++ sonic-radiance.love/main.lua | 2 + 5 files changed, 177 insertions(+) create mode 100644 sonic-radiance.love/libs/loveutils/filesystem.lua create mode 100644 sonic-radiance.love/libs/loveutils/graphics.lua create mode 100644 sonic-radiance.love/libs/loveutils/init.lua create mode 100644 sonic-radiance.love/libs/loveutils/math.lua diff --git a/sonic-radiance.love/libs/loveutils/filesystem.lua b/sonic-radiance.love/libs/loveutils/filesystem.lua new file mode 100644 index 0000000..3d38e27 --- /dev/null +++ b/sonic-radiance.love/libs/loveutils/filesystem.lua @@ -0,0 +1,16 @@ +local Filesystem = {} + +function Filesystem.exists(filepath) + local info = love.filesystem.getInfo( filepath ) + local exists = false + + if (info == nil) then + exists = false + else + exists = true + end + + return exists +end + +return Filesystem diff --git a/sonic-radiance.love/libs/loveutils/graphics.lua b/sonic-radiance.love/libs/loveutils/graphics.lua new file mode 100644 index 0000000..79ad753 --- /dev/null +++ b/sonic-radiance.love/libs/loveutils/graphics.lua @@ -0,0 +1,64 @@ +local Graphics = {} + +function Graphics.resetColor() + love.graphics.setColor(1,1,1,1) +end + +function Graphics.box(x, y, w, h) + local x = math.floor(x) + local y = math.floor(y) + local w = math.floor(w) + local h = math.floor(h) + local a = a or 1 + + local r, g, b, a = love.graphics.getColor( ) + + love.graphics.setColor(r, g, b, 0.3 * a) + love.graphics.rectangle("fill", x, y, w, h) + + love.graphics.setColor(r, g, b, a) + love.graphics.rectangle("line", x, y, w, h) +end + +function Graphics.print(text, x, y, align, r, sx, sy, ox, oy, kx, ky) + local width + local font = love.graphics.getFont() + width = font:getWidth(text) + + if align == "center" then + width = (width/2) + elseif align == "right" then + width = width + else + width = 0 + end + + love.graphics.print(text, x - (width), y, r, sx, sy, ox, oy, kx, ky) +end + +function Graphics.printWithSpacing(text, spacing, align, x, y, r, sx, sy, ox, oy, kx, ky) + -- DO NOT USE THIS FUNCTION IN A "UPDATE" FUNCTION ! + -- it's pretty heavy to use as it use a loop to get every character in a text + local font = love.graphics.getFont() + local xx = 0 + local lenght = string.len(text) + local basewidth = font:getWidth(text) + local width = basewidth + (spacing * lenght) + + if align == "center" then + width = (width/2) + elseif align == "right" then + width = width + else + width = 0 + end + + for i=1, lenght do + local char = string.sub(text, i, i) + pos = math.floor(x + xx - width) + love.graphics.print(char, pos, y) + xx = xx + font:getWidth(char) + spacing + end +end + +return Graphics diff --git a/sonic-radiance.love/libs/loveutils/init.lua b/sonic-radiance.love/libs/loveutils/init.lua new file mode 100644 index 0000000..c3322a9 --- /dev/null +++ b/sonic-radiance.love/libs/loveutils/init.lua @@ -0,0 +1,7 @@ +local cwd = (...):gsub('%.init$', '') .. "." + +return { + math = require(cwd .. "math"), + graphics = require(cwd .. "graphics") + filesystem = require(cwd .. "filesystem") +} diff --git a/sonic-radiance.love/libs/loveutils/math.lua b/sonic-radiance.love/libs/loveutils/math.lua new file mode 100644 index 0000000..678720f --- /dev/null +++ b/sonic-radiance.love/libs/loveutils/math.lua @@ -0,0 +1,88 @@ +local Math = {} + +function Math.sign(x) + if (x < 0) then + return -1 + elseif (x > 0) then + return 1 + else + return 0 + end +end + +function Math.round(num) + return math.floor(num + 0.5) +end + +function Math.vector(x1, y1, x2, y2) + local vecx, vecy + + vecx = x2 - x1 + vexy = y2 - y1 + + return vecx, vecy +end + +function Math.getMiddlePoint(x1, y1, x2, y2) + local newx, newy, vecx, vecy + + vecx = math.max(x1, x2) - math.min(x1, x2) + vecy = math.max(y1, y2) - math.min(y1, y2) + + newx = math.min(x1, x2) + (vecx / 2) + newy = math.min(y1, y2) + (vecy / 2) + + return newx, newy +end + +function Math.pointDistance(x1, y1, x2, y2) + local vecx, vecy + + vecx = math.max(x1, x2) - math.min(x1, x2) + vexy = math.max(y1, y2) - math.min(y1, y2) + + return math.sqrt(vecx^2 + vecy^2) + +end + +function Math.pointDirection(x1,y1,x2,y2) + local vecx, vecy, angle + vecy = y2 - y1 + vecx = x2 - x1 + angle = math.atan2(vecy, vecx) + + return angle +end + +function Math.numberToString(x, length) + local length = length or 1 + local string = "" + local x = x + if (x >= math.pow(10, length)) then + x = unitsNumber*10 - 1 + string = string .. x + else + for i=1, (length-1) do + if (x < math.pow(10, length-i)) then + string = string .. "0" + end + end + string = string .. x + end + return string +end + +function Math.floorCoord(x, y) + return math.floor(x), math.floor(y) +end + +function Math.pixeliseCoord(x, y, factor) + x, y = Math.floorCoord(x / factor, y / factor) + + x = x * factor + y = y * factor + + return x, y +end + +return Math diff --git a/sonic-radiance.love/main.lua b/sonic-radiance.love/main.lua index 5f1cbb1..f55d6f8 100644 --- a/sonic-radiance.love/main.lua +++ b/sonic-radiance.love/main.lua @@ -13,6 +13,8 @@ -- You should have received a copy of the WTF Public License -- along with this program. If not, see +utils = require "libs.loveutils" + function love.load() end