115 lines
3.2 KiB
Lua
115 lines
3.2 KiB
Lua
--basic grid based collision detection
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--squared collision detection
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player.on_block = false
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function collision(oldposx,oldposy)
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--do stairs
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player_in_unloaded_chunk = false
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local xer = {-0.2,0.2}
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local yer = {0,1}
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local fall = true
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--check the corners (y)
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player.playery = player.playery + player.inertiay
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for q = 1,2 do
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for r = 1,2 do
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local squarex = math.floor(player.playerx+xer[q])
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local squarey = math.floor(player.playery+yer[r])
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--use this to detect outside chunk 00
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local chunkerx = 0
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local chunkery = 0
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if squarex < 1 then
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chunkerx = -1
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squarex = map_max
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--print("adjusting x -1")
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elseif squarex > map_max then
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chunkerx = 1
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squarex = 1
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--print("adjusting x +1")
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end
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if squarey < 1 then
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chunkery = 1
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squarey = map_max
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--print("adjusting y +1")
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elseif squarey > map_max then
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chunkery = -1
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squarey = 1
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--print("adjusting y -1")
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end
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--print(chunkerx, chunkery, "|", squarex,squarey)
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--print( loaded_chunks[chunkerx][chunkery][squarex][squarey]["block"])
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--if (squarex1 > map_max or squarex1 <= 0) or (squarey1 > map_max or squarey1 <= 0) or ore[loaded_chunks[0][0][squarex1][squarey1]["block"]]["collide"] ~= false then
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if loaded_chunks[chunkx+chunkerx] and loaded_chunks[chunkx+chunkerx][chunkery+chunky] and loaded_chunks[chunkx+chunkerx][chunkery+chunky][squarex] and loaded_chunks[chunkx+chunkerx][chunkery+chunky][squarex][squarey] then
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if ore[loaded_chunks[chunkx+chunkerx][chunkery+chunky][squarex][squarey]["block"]]["collide"] ~= false then
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player.playery = oldposy
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if r == 2 then
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player.on_block = true
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fall = false
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end
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if r == 1 then
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player.on_block = false
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end
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end
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else
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player_in_unloaded_chunk = true
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end
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end
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end
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if fall == true then
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player.on_block = false
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end
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--check the corners(x)
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player.playerx = player.playerx + player.inertiax
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for q = 1,2 do
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for r = 1,2 do
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local squarex = math.floor(player.playerx+xer[q])
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local squarey = math.floor(player.playery+yer[r])
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--print(squarex)
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--use this to detect outside chunk 00
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local chunkerx = 0
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local chunkery = 0
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if squarex < 1 then
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chunkerx = -1
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squarex = map_max
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--print("adjusting x -1")
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elseif squarex > map_max then
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chunkerx = 1
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squarex = 1
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--print("adjusting x +1")
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end
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if squarey < 1 then
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chunkery = 1
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squarey = map_max
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--print("adjusting y +1")
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elseif squarey > map_max then
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chunkery = -1
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squarey = 1
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--print("adjusting y -1")
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end
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--if (squarex1 > map_max or squarex1 <= 0) or (squarey1 > map_max or squarey1 <= 0) or ore[loaded_chunks[0][0][squarex1][squarey1]["block"]]["collide"] ~= false then
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if loaded_chunks[chunkx+chunkerx] and loaded_chunks[chunkx+chunkerx][chunkery+chunky] and loaded_chunks[chunkx+chunkerx][chunkery+chunky][squarex] and loaded_chunks[chunkx+chunkerx][chunkery+chunky][squarex][squarey] then
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if ore[loaded_chunks[chunkx+chunkerx][chunkery+chunky][squarex][squarey]["block"]]["collide"] ~= false then
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player.inertiax = 0
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player.playerx = oldposx
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--print("stopping x inertia and pos")
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end
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else
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player_in_unloaded_chunk = true
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end
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end
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end
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end
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