Open-Terrarium/collision.lua
2017-07-08 04:22:47 -04:00

73 lines
2.1 KiB
Lua

--basic grid based collision detection
function collision(oldposx,oldposy)
--stairs
--if (player.playerx <= map_max and player.playerx > 1) and
-- (player.playery < map_max and player.playery > 1) and
-- loaded_chunks[0][0][player.playerx][player.playery]["block"] == 3 then
-- player.playery = player.playery - 1
if (player.playerx > map_max or player.playerx <= 0) or (player.playery > map_max or player.playery <= 0) or ore[loaded_chunks[0][0][player.playerx][player.playery]["block"]]["collide"] ~= false then
--print("collide")
player.playerx,player.playery = oldposx,oldposy
--can't move
oof:setPitch(love.math.random(65,100)/100)
oof:stop()
oof:play()
--print("return true")
return(true)
end
end
--make the player fall when in air
gravtimer = 0
function gravity(dt)
--don't apply gravity if at bottom
--if player.playery == map_max then
-- player.playery = player.playery + 1
-- maplib.new_block()
-- return
--end
gravtimer = gravtimer + dt
--reverse gravity in water
if player.playery ~= 1 and ore[loaded_chunks[0][0][player.playerx][player.playery]["block"]]["float"] == true then
if gravtimer >= 0.2 then
local oldposx,oldposy = player.playerx,player.playery
player.playery = player.playery - 1
collision(oldposx,oldposy)
gravtimer = 0
end
elseif player.playery == 1 and ore[loaded_chunks[0][1][player.playerx][map_max]["block"]]["float"] == false then
if gravtimer >= 0.2 then
player.playery = player.playery - 1
maplib.new_block()
end
--else apply normal gravity
elseif player.playery ~= map_max and ore[loaded_chunks[0][0][player.playerx][player.playery+1]["block"]]["collide"] == false then
if gravtimer >= 0.2 then
local oldposx,oldposy = player.playerx,player.playery
player.playery = player.playery + 1
collision(oldposx,oldposy)
gravtimer = 0
end
elseif player.playery == map_max and ore[loaded_chunks[0][-1][player.playerx][1]["block"]]["collide"] == false then
--print("applying new chunk gravity")
if gravtimer >= 0.2 then
player.playery = player.playery + 1
maplib.new_block()
end
else
--print("failure")
gravtimer = 0
end
end