init shit

run src.bat

@@ -0,0 +1,2 @@
+@ECHO OFF
+"C:\Program Files\Love\LOVE.exe" "%cd%\src"

src/conf.lua

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+function love.conf(t)
+    t.title = "FADE"
+    t.console = true --tmp
+
+    local w, h = love.graphics.getDesktopDimensions()
+    t.window.width = w
+    t.window.height = h
+    t.window.borderless = true
+end

src/hsv.lua

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+local function hue_to_rgb(hue)
+    local c = 1
+    local x = 1 - math.abs((hue / 60) % 2 - 1)
+    local m = 0
+
+    local r, g, b
+
+    if hue < 60 then
+        r = c
+        g = x
+        b = 0
+    elseif hue < 120
+        r = x
+        g = c
+        b = 0
+    elseif hue < 180
+        r = 0
+        g = c
+        b = x
+    elseif hue < 240
+        r = 0
+        g = x
+        b = c
+    elseif hue < 300
+        r = x
+        g = 0
+        b = c
+    elseif hue < 360
+        r = c
+        g = 0
+        b = x
+    end
+
+    r = math.floor(r * 255)
+    g = math.floor(g * 255)
+    b = math.floor(b * 255)
+
+    return r, g, b
+end
+
+return hue_to_rgb

src/main.lua

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+local lg = love.graphics
+local lm = love.mouse
+
+local left
+local major, minor, revision = love.getVersion()
+if (major == 0) and (minor == 10) then
+    left = 1
+else
+    left = "l"
+end
+
+local point = {}
+local lines = {}
+
+local function dist(x1, y1, x2, y2)
+    local X = x2 - x1
+    local Y = y2 - y1
+    return math.sqrt(X*X + Y*Y)
+end
+
+local delta, rate = 0, 1/20
+function love.update(dt)
+    if lm.isDown(left) then
+        local x, y = lm.getPosition()
+        if dist(point.x, point.y, x, y) > 1 then
+            table.insert(lines, {gray = 255, alpha = 255, x = x, y = y})
+            point.x = x
+            point.y = y
+        end
+    end
+
+    delta = delta + dt
+    if delta >= rate then
+        delta = delta - rate
+
+        for i = 1, #lines do
+            lines[i].gray = lines[i].gray - 1
+        end
+
+        while lines[1] and lines[1].gray == 0 do
+            table.remove(lines, 1)
+        end
+    end
+end
+
+function love.draw()
+    for i = 1, #lines - 1 do
+        lg.setColor(lines[i].gray, lines[i].gray, lines[i].gray, lines[i].alpha)
+        lg.line(lines[i].x, lines[i].y, lines[i+1].x, lines[i+1].y)
+    end
+end
+
+---[[
+function love.mousepressed(x, y)
+    point = {x = x, y = y}
+end
+--]]
+
+function love.mousereleased(x, y)
+    table.insert(lines, {gray = 0, alpha = 0, x = x, y = y})
+end
+
+function love.keypressed(key)
+    if key == "escape" then
+        love.event.quit()
+    end
+end