semi-working game

main.lua

@@ -1,21 +1,25 @@
 --load peachy
 peachy = require("libs/peachy")
 
+--load globals
+local globals = require("modules/globals")
+game = globals.game
+
 --load player
 player = require("modules/player")
 
---load hump camera
+--load floors
-Camera = require("libs/hump/camera")
+floors = require("modules/floors")
-camera = Camera(player.x, player.y)
 
 --load content_loader
 local content_loader = require("modules/content_loader")
 spritesheets = content_loader.spritesheets
 sound_effects = content_loader.sound_effects
 
---load globals
+player:init(sound_effects, spritesheets, game)
-local globals = require("modules/globals")
+--load hump camera
-local game = globals.game
+Camera = require("libs/hump/camera")
+camera = Camera(player.object.body:getX(), player.object.body:getY())
 
 --load draw_callback
 draw_mod = require("modules/draw_callback")
@@ -27,9 +31,10 @@ update_mod = require("modules/update_callback")
 local update_callback = update_mod.update
 local updateinit = update_mod.updateinit
 
-drawerinit(spritesheets, player, game, camera)
+floors:addFloor("Bottom", game, 0, (game:getcurlevel().height /4) - 160, game:getcurlevel().width, 160, 255, 255, 255, 255)
-updateinit(game, camera)
+
-player:init(sound_effects, spritesheets, game)
+drawerinit(spritesheets, player, game, camera, floors)
+updateinit(game, camera, floors)
 
 --play music for level
 game:getcurlevel().music:play()

modules/draw_callback.lua

@@ -2,32 +2,40 @@ local spritesheets = {}
 local player = {}
 local game = {}
 local camera = {}
+local floors = {}
 
-function drawerinit(spritesheetst, playert, gamex, camerax)
+function drawerinit(spritesheetst, playert, gamex, camerax, floorsx)
     spritesheets = spritesheetst
     player = playert
     game = gamex
     camera = camerax
+    floors = floorsx
 end
 
 local function draw()
     camera:attach()
+    --draw rectangle with bottom at 980y and top at 850y which stretches acress the entire modules/player
     --draw background
-    love.graphics.draw(game.levels[game.level].background, 0, 0)
+    love.graphics.draw(game:getcurlevel().background, 0, -(game:getcurlevel().height) + 280)
+    --draw floors
+    for i = 1, #floors, 1 do
+        love.graphics.setColor(love.math.colorFromBytes(floors[i].color[1], floors[i].color[2], floors[i].color[3], floors[i].color[4]))
+        love.graphics.rectangle("fill", floors[i].x, floors[i].y, floors[i].width, floors[i].height)
+    end
     --draw player_animation
-    player.animation:draw(player.x, player.y)
+    player.animation:draw(player.object.body:getX(), player.object.body:getY())
     if player.state == "idle" then
-        spritesheets["player_idle"]:draw(player.x, player.y)
+        spritesheets["player_idle"]:draw(player.object.body:getX(), player.object.body:getY())
     elseif player.state == "walk_left" then
-        spritesheets["player_walk_left"]:draw(player.x, player.y)
+        spritesheets["player_walk_left"]:draw(player.object.body:getX(), player.object.body:getY())
     elseif player.state == "walk_right" then
-        spritesheets["player_walk_right"]:draw(player.x, player.y)
+        spritesheets["player_walk_right"]:draw(player.object.body:getX(), player.object.body:getY())
     elseif player.state == "jump" then
-        spritesheets["player_jump"]:draw(player.x, player.y)
+        spritesheets["player_jump"]:draw(player.object.body:getX(), player.object.body:getY())
     elseif player.state == "die" then
-        spritesheets["player_die"]:draw(player.x, player.y)
+        spritesheets["player_die"]:draw(player.object.body:getX(), player.object.body:getY())
     else 
-        spritesheets["player_default"]:draw(player.x, player.y)
+        spritesheets["player_default"]:draw(player.object.body:getX(), player.object.body:getY())
     end
     camera:detach()
 end

modules/floors.lua

@@ -0,0 +1,28 @@
+local floors = {}
+floors.addFloor = function(self, name, game, x, y, w, h, r, g, b, a)
+    local floor = {}
+    floor.name = name
+    floor.x = x
+    floor.y = y
+    floor.width = w
+    floor.height = h
+    floor.userdata = "floor"
+    floor.color = {r, g, b, a}
+    floor.body = love.physics.newBody(game.world, x + w / 2, y, "static")
+    floor.shape = love.physics.newRectangleShape(w, h)
+    floor.fixture = love.physics.newFixture(floor.body, floor.shape)
+    floor.fixture:setUserData(floor.userdata)
+    table.insert(self, floor)
+    game.objects.floors = self.floors
+end
+floors.listFloors = function(self)
+    allstr = ""
+    for i,v in pairs(self) do
+        --if v is not a function
+        if type(v) ~= "function" then
+            allstr = allstr .. (v.name..": \""..v.body:getX().."\"; y: \""..v.body:getY().."\";;;")
+        end
+    end
+    return allstr
+end
+return floors

modules/globals.lua

@@ -8,18 +8,26 @@ game.fullscreen = false
 game.level = 1
 game.level_count = 1
 game.levels = {}
+game.objects = {}
+--set up physics
+love.physics.setMeter(64)
+game.world = love.physics.newWorld(0, 9.81*64, true)
 game.getcurlevel = function(self)
     return self.levels[self.level]
 end
+
 for i = 1, game.level_count, 1 do
     game.levels[i] = {}
     game.levels[i].background = love.graphics.newImage("assets/images/backgrounds/level".. i .."_hires.png")
     game.levels[i].width = game.levels[i].background:getWidth()
     game.levels[i].height = game.levels[i].background:getHeight()
+    --print level dimensions
+    print("Level " .. i .. " dimensions: " .. game.levels[i].width .. "x" .. game.levels[i].height)
     game.levels[i].music = love.audio.newSource("assets/audio/music/track".. i ..".ogg", "static")
     game.levels[i].music:setLooping(true)
 end
 
+
 return {
     game = game
 }

modules/player.lua

@@ -1,51 +1,70 @@
 local player = {}
-player.x = 0
-player.y = 500
 player.width = 140
 player.height = 160
-player.speed = 200
+player.speed = 320000
-player.speed_jumping = 400
+player.speed_jumping = 640000
-player.speed_walking = 200
+player.speed_walking = 320000
-player.jump_height = 500
+player.jump_height = 400
 player.state = "idle"
 player.direction = "right"
 player.alive = true
+player.object = {}
 player.init = function(self, sound_effects, spritesheets, game)
     self.sound_effects = sound_effects
     self.spritesheets = spritesheets
     self.game = game
-    self.x = self.game.width / 2 + 8
+    self.animation = spritesheets["player_idle"]
-    self.y = self.game.height + 8
+    self.object.body = love.physics.newBody(game.world, player.width, player.height, "dynamic")
-    player.animation = spritesheets["player_idle"]
+    self.object.shape = love.physics.newRectangleShape(player.width, player.height)
+    self.object.fixture = love.physics.newFixture(self.object.body, self.object.shape)
+    self.object.fixture:setUserData("player")
+    self.spawnx, self.spawny = game:getcurlevel().width / 2, game:getcurlevel().height / 4 - self.height * 2
+    self.object.body:setPosition(self.spawnx, self.spawny)
+    self.game.player = self
 end
 
 player.walk_right = function(self, dt)
-    if self.x < self.game:getcurlevel().width - self.width - self.game.width - 8 and self.alive then
+    if self.alive then
-        self.x = self.x + self.speed * dt
+        self.object.body:applyForce(self.speed * dt, 0)
         self.state = "walk_right"
         self.direction = "right"
         self.animation = self.spritesheets["player_walk_right"]
     end
 end
 player.walk_left = function(self, dt)
-    if self.x > self.game.width / 2 + 8 and self.alive then
+    if self.alive then
-        self.x = self.x - self.speed * dt
+        self.object.body:applyForce(-(self.speed * dt), 0)
         self.state = "walk_left"
         self.direction = "left"
         self.animation = self.spritesheets["player_walk_left"]
     end
 end
 player.jump = function(self, dt)
-    if self.y > self.game.height / 2 + 8 and self.alive then
+    --check if alive and if on floor
-        self.y = self.y - self.jump_height * dt
+    if self.alive then
+        --check all contacts
+        for i,v in pairs(self.object.body:getContacts()) do
+            --get fixtures
+            local fixtureA, fixtureB = v:getFixtures( )
+            --get userdata
+            local userdataA = fixtureA:getUserData()
+            local userdataB = fixtureB:getUserData()
+            --check if on floor
+            if userdataA == "floor" or userdataB == "floor" then
+                --jump
+                self.object.body:applyLinearImpulse(0, -self.jump_height)
                 self.state = "jump"
                 self.animation = self.spritesheets["player_jump"]
                 self.sound_effects["jump"]:play()
+                break
+            end
+            
+        end
     end
 end
 player.down = function(self, dt)
-    if self.y < self.game:getcurlevel().height - self.height - self.game.height / 2 - 8 and self.alive then
+    if self.alive then
-        self.y = self.y + self.jump_height * dt
+        self.object.body:applyForce(0, self.jump_height * dt)
         self.state = "jump"
         self.animation = self.spritesheets["player_jump"]
         self.sound_effects["jump"]:play()
@@ -82,4 +101,17 @@ player.default = function(self, dt)
         self.animation = self.spritesheets["player_default"]
     end
 end
+player.update = function(self, dt)
+    if self.alive then
+        --check if below map
+        if self.object.body:getY() > self.game:getcurlevel().height then
+            self:die()
+            --reset position, rotation and velocity
+            self.object.body:setPosition(self.spawnx, self.spawny)
+            self.object.body:setAngle(0)
+            self.object.body:setLinearVelocity(0, 0)
+            self:revive()
+        end
+    end
+end
 return player

modules/update_callback.lua

@@ -1,11 +1,14 @@
 local game = {}
 local camera = {}
-local function updateinit(gamex, camerax)
+local floors = {}
+local function updateinit(gamex, camerax, floorsx)
     game = gamex
     camera = camerax
+    floors = floorsx
 end
 
 local function update(dt)
+    game.world:update(dt)
     --update player_animation
     if spritesheets["player_die"]:getFrame() ~= 16 then
         spritesheets["player_die"]:update(dt)
@@ -51,10 +54,23 @@ local function update(dt)
             player:revive(dt)
         end
         if key("x") then
-            print("x: \""..player.x.."\"; y: \""..player.y.."\"")
+            --print coordinates of all objects
+            local allstr = floors:listFloors()
+            allstr = allstr .. ("Player: \""..game.player.object.body:getX().."\"; y: \""..game.player.object.body:getY().."\";;;")
+            print(allstr)
+        end
+        if key("c") then
+            --reset player position
+            player.object.body:setX(player.spawnx)
+            player.object.body:setY(player.spawny)
+            --and velocity
+            player.object.body:setLinearVelocity(0, 0)
+            --and rotation
+            player.object.body:setAngle(0)            
         end     
     end
-    local dx,dy = (player.x - camera.x) / 2, (player.y - camera.y) / 2
+    player:update(dt)
+    local dx,dy = (player.object.body:getX() - camera.x) / 2, (player.object.body:getY() - camera.y) / 2
     camera:move(dx, dy)
 end
 return {