Added lua-language-server annotations

main.lua

@@ -2,31 +2,42 @@ require "grid"
 require "point"
 require "line"
 
+-- Returns local coords from global
+local function snapCoords( point )
+    local x = math.ceil( point.x / Config.cellSize )
+    local y = math.ceil( point.y / Config.cellSize )
+    return GridPoint:new( x, y )
+end
+
+local function vectorLength( startpoint, endpoint )
+    return math.sqrt( ( startpoint.x - endpoint.x ) ^ 2 +  ( startpoint.y - endpoint.y ) ^ 2 )
+end
+
 function love.load()
     love.graphics.setLineStyle( Config.lineStyle )
     love.graphics.setLineWidth( Config.lineWidth )
 
-    gameGrid = Grid:new( Point:new( 5, 5 ) )
+    GameGrid = Grid:new( Point:new( 5, 5 ) )
     local line = Line:new(
         GridPoint:new( 1, 1 ),
         GridPoint:new( 3, 3 ),
         Color.red
     )
-    gameGrid:push( line )
+    GameGrid:push( line )
     local line1 = Line:new(
         GridPoint:new( 1, 5 ),
         GridPoint:new( 5, 2 ),
         Color.green
     )
-    gameGrid:push( line1 )
+    GameGrid:push( line1 )
     local line2 = Line:new(
         GridPoint:new( 2, 5 ),
         GridPoint:new( 5, 3 ),
         Color.blue
     )
-    gameGrid:push( line2 )
+    GameGrid:push( line2 )
 
-    mouse = {
+    Mouse = {
         x = 0,
         y = 0,
         pressed = false,
@@ -43,75 +54,65 @@ end
 -- TODO: move input interactions into module
 -- TODO: fix collision with other line's endpoint
 function love.update( dt )
-    mouse.x, mouse.y = love.mouse.getPosition()
-    mouse.x = mouse.x + 1
-    mouse.y = mouse.y + 1
-    mouse.lastPoint = mouse.point
-    mouse.lastPressed = pressed
-    mouse.pressed = love.mouse.isDown( 1 )
-    mouse.point = snapCoords( Point:new( mouse.x, mouse.y ) )
-    if mouse.lastLine ~= nil then
-        local pointsLen = #mouse.lastLine.points
-        local lastLinePoint = mouse.lastLine.points[pointsLen]
-        if vectorLength( mouse.point, lastLinePoint ) == 1 
-            and gameGrid:inBounds( mouse.point )
-            and gameGrid:matchesLine( mouse.point, true ) == nil 
-            and not lastLinePoint:equals( mouse.lastLine.endpoint )
-            and not gameGrid:isOtherEndpoint( mouse.lastLine, mouse.point ) then
-            mouse.lastLine:push( mouse.point )
-        elseif mouse.lastLine:has( mouse.point ) 
-            and not mouse.point:equals( lastLinePoint ) then
-            while not mouse.lastLine.points[#mouse.lastLine.points]:equals( mouse.point ) do
-                mouse.lastLine:pop()
+    Mouse.x, Mouse.y = love.mouse.getPosition()
+    Mouse.x = Mouse.x + 1
+    Mouse.y = Mouse.y + 1
+    Mouse.lastPoint = Mouse.point
+    Mouse.lastPressed = Mouse.pressed
+    Mouse.pressed = love.mouse.isDown( 1 )
+    Mouse.point = snapCoords( Point:new( Mouse.x, Mouse.y ) )
+    if Mouse.lastLine ~= nil then
+        local pointsLen = #Mouse.lastLine.points
+        local lastLinePoint = Mouse.lastLine.points[pointsLen]
+        if vectorLength( Mouse.point, lastLinePoint ) == 1
+            and GameGrid:inBounds( Mouse.point )
+            and GameGrid:matchesLine( Mouse.point, true ) == nil
+            and not lastLinePoint:equals( Mouse.lastLine.endpoint )
+            and not GameGrid:isOtherEndpoint( Mouse.lastLine, Mouse.point ) then
+            Mouse.lastLine:push( Mouse.point )
+        elseif Mouse.lastLine:has( Mouse.point )
+            and not Mouse.point:equals( lastLinePoint ) then
+            while not Mouse.lastLine.points[#Mouse.lastLine.points]:equals( Mouse.point ) do
+                Mouse.lastLine:pop()
             end
         end
     end
-    
 
-    mouse.dragged = mouse.pressed 
-        and mouse.startX > 0 
-        and vectorLength( 
-            Point:new( mouse.x, mouse.y ),
-            Point:new( mouse.startX, mouse.startY )
+
+    Mouse.dragged = Mouse.pressed
+        and Mouse.startX > 0
+        and vectorLength(
+            Point:new( Mouse.x, Mouse.y ),
+            Point:new( Mouse.startX, Mouse.startY )
         ) > Config.dragSensivity
 
-    if not mouse.pressed and mouse.startX > 0 then
-        mouse.startX = -1
-        mouse.startY = -1
-        mouse.lastLine = nil
+    if not Mouse.pressed and Mouse.startX > 0 then
+        Mouse.startX = -1
+        Mouse.startY = -1
+        Mouse.lastLine = nil
     end
 
-    if not mouse.lastPressed 
-        and mouse.pressed 
-        and mouse.startX < 0 then
-        mouse.startX = mouse.x
-        mouse.startY = mouse.y
-        mouse.lastLine = gameGrid:matchesLine( mouse.point, false ) 
+    if not Mouse.lastPressed
+        and Mouse.pressed
+        and Mouse.startX < 0 then
+        Mouse.startX = Mouse.x
+        Mouse.startY = Mouse.y
+        Mouse.lastLine = GameGrid:matchesLine( Mouse.point, false )
     end
 end
 
 function love.draw()
-    gameGrid:draw()
+    GameGrid:draw()
 
-    local text = string.format( "%d:%d global\n%d:%d local\n%d:%d from start", mouse.x, mouse.y, mouse.point.x, mouse.point.y, mouse.startX - mouse.x, mouse.startY - mouse.y )
+    local text = string.format( "%d:%d global\n%d:%d local\n%d:%d from start", Mouse.x, Mouse.y, Mouse.point.x, Mouse.point.y, Mouse.startX - Mouse.x, Mouse.startY - Mouse.y )
     love.graphics.print( text, 64, 256 )
-    
-    if mouse.dragged then
-        love.graphics.print( "drag", 64, 300 )    
+
+    if Mouse.dragged then
+        love.graphics.print( "drag", 64, 300 )
     end
-    if mouse.lastLine ~= nil then
-            love.graphics.print( tostring( mouse.lastLine ), 128, 300 )
+    if Mouse.lastLine ~= nil then
+            love.graphics.print( tostring( Mouse.lastLine ), 128, 300 )
     end
-
 end
 
--- Returns local coords from global
-function snapCoords( point )
-    local x = math.ceil( point.x / Config.cellSize )
-    local y = math.ceil( point.y / Config.cellSize )
-    return GridPoint:new( x, y )
-end
 
-function vectorLength( startpoint, endpoint )
-    return math.sqrt( ( startpoint.x - endpoint.x ) ^ 2 +  ( startpoint.y - endpoint.y ) ^ 2 )
-end