main.lua

import "CoreLibs/object"
import "CoreLibs/graphics"
import "CoreLibs/sprites"
import "CoreLibs/timer"

local gfx <const> = playdate.graphics
local geometry  <const> = playdate.geometry

local levelWidth = 360
local levelHeight = 204

-- Level
class('World').extends(gfx.sprite)
function World:init(x, y, w, h)
  World.super.init(self)
  self:moveTo(x, y)
  self:setSize(w, h)
  self:setCollideRect(2, 2, w - 4, h - 4)
end

function World:draw(x, y, w, h)
  gfx.setColor(gfx.kColorWhite)
  gfx.fillRect(x, y, w, h)
  gfx.setColor(gfx.kColorBlack)
  gfx.setStrokeLocation(gfx.kStrokeInside)
  gfx.drawRoundRect(x, y, w, h, 2)
  gfx.drawRect(x + 2, y + 2, w - 4, h - 4)
end

-- Ball
class('Ball').extends(gfx.sprite)

function Ball:init(x, y, vector)
  Ball.super.init(self)
  self.vector = vector
  self:moveTo(x, y)
  self:setSize(8, 8)
  self:setCollideRect(1, 1, 6, 6)
end

function Ball:update()
  self:moveBy(self.vector.dx, self.vector.dy)
  if (self.y + self.height / 2 >= 4 + levelHeight - 4) then
    self:flipDirection()
  elseif (self.y - self.height / 2 <= 4) then
    self:flipDirection()
  end
end

function Ball:flipDirection()
  self.vector = geometry.vector2D.new(self.vector.dx * -1, self.vector.dy * -1)
end

function Ball:draw(x, y, width, height)
  playdate.graphics.fillCircleInRect(x, y, width, height)
end

local world = World(2 + levelWidth / 2, 2 + levelHeight / 2, levelWidth, levelHeight)
world:add()

local ball = Ball(100, 100, geometry.vector2D.new(0, 4))
ball:add()

-- Level Setup
function setupLevel()

  --[[
  for x=4,levelWidth,levelWidth/12 do
    for y=4, levelHeight, levelHeight/12 do
      gfx.drawRect(x, y, levelWidth/12, levelHeight/12)
    end
  end
  --]]
end

setupLevel()

function playdate.update()
  gfx.sprite.update()
  playdate.drawFPS(384, 2)
end