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--
-- Platformer Tutorial
--
local loader = require "AdvTiledLoader/Loader"
-- set the path to the Tiled map files
loader.path = "maps/"
local HC = require "HardonCollider"
local hero
local collider
local allSolidTiles
function love.load()
-- load the level and bind to variable map
map = loader.load("level.tmx")
-- load HardonCollider, set callback to on_collide and size of 100
collider = HC(100, on_collide)
-- find all the tiles that we can collide with
allSolidTiles = findSolidTiles(map)
-- set up the hero object, set him to position 32, 32
setupHero(32,32)
end
function love.update(dt)
-- do all the input and movement
handleInput(dt)
updateHero(dt)
-- update the collision detection
collider:update(dt)
end
function love.draw()
-- scale everything 2x
love.graphics.scale(2,2)
-- draw the level
map:draw()
-- draw the hero as a rectangle
hero:draw("fill")
end
function on_collide(dt, shape_a, shape_b, mtv_x, mtv_y)
-- seperate collision function for entities
collideHeroWithTile(dt, shape_a, shape_b, mtv_x, mtv_y)
end
function collideHeroWithTile(dt, shape_a, shape_b, mtv_x, mtv_y)
-- sort out which one our hero shape is
local hero_shape, tileshape
if shape_a == hero and shape_b.type == "tile" then
hero_shape = shape_a
elseif shape_b == her and shape_a.type == "tile" then
hero_shape = shape_b
else
-- none of the two shapes is a tile, return to upper function
return
end
-- why not in one function call? because we will need to differentiate between the axis later
hero_shape:move(mtv_x, 0)
hero_shape:move(0, mtv_y)
end
function setupHero(x,y)
hero = collider:addRectangle(x,y,16,16)
hero.speed = 50
-- hero.img = love.graphics.newImage("img/hero.png")
end
function handleInput(dt)
if love.keyboard.isDown("left") then
hero:move(-hero.speed*dt, 0)
end
if love.keyboard.isDown("right") then
hero:move(hero.speed*dt, 0)
end
if love.keyboard.isDown("up") then
end
end
function updateHero(dt)
-- apply a downward force to the hero (=gravity)
hero:move(0,dt*50)
end
function findSolidTiles(map)
local collidable_tiles = {}
-- get the layer that the tiles are on by name
local layer = map.tl["ground"]
for tileX=1,map.width do
for tileY=1,map.height do
local tile
if layer.tileData[tileY] then
tile = map.tiles[layer.tileData[tileY][tileX]]
end
if tile and tile.properties.solid then
local ctile = collider:addRectangle((tileX-1)*16,(tileY-1)*16,16,16)
ctile.type = "tile"
collider:addToGroup("tiles", ctile)
collider:setPassive(ctile)
table.insert(collidable_tiles, ctile)
end
end
end
return collidable_tiles
end
