fix debug overlap

main.lua

@@ -1,6 +1,6 @@
 -- debug --
 if os.getenv("LOCAL_LUA_DEBUGGER_VSCODE") == "1" then
-    DEBUG = true
+    DEBUG = false -- enable with f10
     local lldebugger = require('lldebugger')
     lldebugger.start()
 ---@diagnostic disable-next-line: undefined-field
@@ -9,7 +9,7 @@ if os.getenv("LOCAL_LUA_DEBUGGER_VSCODE") == "1" then
         local f = lldebugger.call(run, false, ...)
         return function(...) return lldebugger.call(f, false, ...) end
     end
-else DEBUG = false end
+end
 print('debug:', DEBUG)
 
 -- libraries --

obj/Room.lua

@@ -33,6 +33,7 @@ function Room:draw()
     camera:attach(0, 0, gw, gh)
         self:canvasDraw()
     camera:detach()
+    if DEBUG then love.graphics.print('DEBUG', 2, 2) end
     love.graphics.setCanvas()
 
     love.graphics.setColor(255, 255, 255, 255)

obj/game/Player.lua

@@ -27,8 +27,10 @@ function Player:new(area, x, y, opts)
     self.max_v = 100
     -- player acceleration
     self.a = 100
+    -- attack rate
+    self.ar = 0.24
 
-    self.timer:every(4, function() self:shoot() end)
+    self.timer:every(self.ar, function() self:shoot() end)
 end
 
 function Player:update(dt)
@@ -70,6 +72,7 @@ function Player:shoot()
     local d = 1.2*self.w
     local offset_x, offset_y = self.x + d*math.cos(self.r), self.y + d*math.sin(self.r)
     self.area:addGameObject('ShootEffect', offset_x, offset_y, {player = self, d = d})
+    self.area:addGameObject('Projectile', offset_x, offset_y, {r = self.r})
 end
 
 return Player

obj/game/Projectile.lua

@@ -0,0 +1,46 @@
+---@class Projectile:GameObject
+---@field r number
+---@field s number|nil
+---@field v number|nil
+local Projectile = GameObject:extend()
+
+function Projectile:new(area, x, y, opts)
+    Projectile.super.new(self, area, x, y, opts)
+
+    -- radius of collider
+    self.s = opts.s or 2.5
+    -- velocity
+    self.v = opts.v or 200
+    self.collider = self.area.world:circle(self.x, self.y, self.s)
+end
+
+---Updates Projectile
+---@param dt number delta time
+function Projectile:update(dt)
+    Projectile.super.update(self, dt)
+
+    -- update velocity
+    --self.v = math.min(self.v + self.a*dt, self.max_v)
+
+    -- update position
+    local vx = self.v * math.cos(self.r)  -- velocity X
+    local vy = self.v * math.sin(self.r)  -- velocity Y
+    self.x = self.x + vx * dt             -- update position X
+    self.y = self.y + vy * dt             -- update position Y
+
+    -- move collision area
+    self.collider:moveTo(self.x, self.y)
+end
+
+---Draws Projectile
+function Projectile:draw()
+    Projectile.super.draw(self)
+    if DEBUG then
+        love.graphics.setColor(1, 0, 0)
+        self.collider:draw()
+    end
+    love.graphics.setColor(1, 1, 1)
+    love.graphics.circle('fill', self.x, self.y, self.s)
+end
+
+return Projectile

obj/game/ShootEffect.lua

@@ -23,7 +23,7 @@ end
 function ShootEffect:draw()
     ShootEffect.super.draw(self)
     pushRotateScale(self.x, self.y, self.player.r+math.pi/4)
-    love.graphics.setColor(0.6, 0.5, 0.1)
+    love.graphics.setColor(1,1,1)
     love.graphics.rectangle('fill', self.x - self.w/2, self.y - self.w/2, self.w, self.w)
     love.graphics.pop()
 end

rooms/CircleRoom.lua

@@ -41,7 +41,7 @@ end
 function CircleRoom:canvasDraw()
     CircleRoom.super.canvasDraw(self)
     love.graphics.setColor(1, 1, 1)
-    love.graphics.print('objects: '..#self.area.game_objects,2,2)
+    love.graphics.print('objects: '..#self.area.game_objects,2,gh-16)
 end
 
 return CircleRoom