forked from minetest-mods/camera
Greatly improve looking target precision
Change "/camera look_target" to "/camera look" command Add "here" paramater to "/camera look" command for looking at player position Add "/camera mode <0|2>" command for normal velocity (0) or locked velocity to player's first look direction (2)
This commit is contained in:
sys4-fr
parent
71924a4d07
commit
87a7e729c5
97
init.lua
97
init.lua
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@ -3,6 +3,7 @@
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Copyright 2016-2017 - Auke Kok <sofar@foo-projects.org>
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Copyright 2017 - Elijah Duffy <theoctacian@gmail.com>
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Copyright 2017 - sys4 <sys4@free.fr>
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License:
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- Code: MIT
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@ -18,6 +19,17 @@ Usage: /camera
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Use /camera save <name> to save the last recording
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- saved recordings exist through game restarts
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Use /camera list to show all saved recording
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Use /camera mode <0|2> to change the velocity behaviour
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- 0: Velocity follow mouse (default),
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- 2: Velocity locked to player's first look direction with released mouse
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Use /camera look <nil|here|x,y,z>
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- nil: remove looking target,
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- here: set looking target to player position,
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- x,y,z: Coords to look at
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Use /camera speed <speed>
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- 10 is default speed,
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- > 10 decrease speed factor,
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- < 10 increase speed factor
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--]]
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local recordings = {}
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@ -89,9 +101,10 @@ local camera = {
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end,
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}
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local player_look_dir = nil
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local target_look_position = nil
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local player_look_dir = nil -- player look direction when starting record
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local target_look_position = nil -- looking target
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local speed_factor = 0.1 -- default speed factor
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local rec_mode = 0 -- record mode
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-- [event] On step
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function camera:on_step(dtime)
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@ -106,11 +119,11 @@ function camera:on_step(dtime)
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local dir = self.driver:get_look_dir()
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-- if record mode
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if self.mode == 0 then
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if self.mode == 0 or self.mode == 2 then
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-- Calculate pitch and yaw if target_look_position defined
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if target_look_position then
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local vec_pos = vector.subtract(target_look_position, pos)
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--print("vec_pos "..dump(vec_pos))
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print("vec_pos "..dump(vec_pos))
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-- Pitch
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local opp = vec_pos.y
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@ -120,64 +133,52 @@ function camera:on_step(dtime)
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adj = vec_pos.z
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end
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if adj > 0 then opp = opp * -1 end
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self.driver:set_look_pitch(opp/adj)
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self.driver:set_look_vertical(math.atan((opp*-1)/math.abs(adj)))
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-- Yaw
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opp = vec_pos.x
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adj = vec_pos.z
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local yaw = opp/adj
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local yaw = math.atan(opp/adj)
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if math.abs(vec_pos.x) > math.abs(vec_pos.z) then
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--print("INVINVINVINVINVINVINVINVINVINV")
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yaw = adj/opp
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yaw = math.atan(adj/opp)
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if adj < 0 and opp < 0 then
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--print("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA!!!!!!")
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yaw = yaw + math.pi/2
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end
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if adj > 0 and opp > 0 then
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--print("++++++++++++++++++++++++++++++!!!!!!")
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yaw = yaw + math.pi + math.pi/2
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end
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if yaw < 0 then
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--print("BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB!!!!!!")
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if opp > 0 then
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--print("OPP>0 OPP>0 OPP>0 OPP>0 OPP>0 OPP>0 OPP>0 OPP>0 OPP>0")
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yaw = math.pi + math.pi/2 + yaw
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else
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--print("OPP<0 OPP<0 OPP<0 OPP<0 OPP<0 OPP<0 OPP<0 OPP<0 OPP<0 ")
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yaw = math.pi/2 + yaw
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end
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end
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else
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--print("NORMNORMNORMNORMNORMNORMNORMNORMNORM!!!!!!")
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if adj < 0 and opp < 0 then
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--print("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA!!!!!!")
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yaw = yaw - math.pi
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end
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if adj > 0 and opp > 0 then
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--print("++++++++++++++++++++++++++++++!!!!!!")
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yaw = math.pi*2 - yaw
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end
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if yaw < 0 then
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--print("BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB!!!!!!")
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if opp > 0 then
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--print("OPP>0 OPP>0 OPP>0 OPP>0 OPP>0 OPP>0 OPP>0 OPP>0 OPP>0")
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yaw = math.pi - yaw
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else
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--print("OPP<0 OPP<0 OPP<0 OPP<0 OPP<0 OPP<0 OPP<0 OPP<0 OPP<0 ")
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yaw = math.pi*2 - yaw
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end
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end
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end
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self.driver:set_look_yaw(yaw)
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self.driver:set_look_horizontal(yaw)
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end
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-- Update path
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@ -191,12 +192,6 @@ function camera:on_step(dtime)
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-- Modify yaw and pitch to match driver (player)
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self.object:set_look_pitch(self.driver:get_look_pitch())
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self.object:set_look_yaw(self.driver:get_look_yaw())
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--print("look pitch "..dump(self.driver:get_look_pitch()))
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--print("look vertical "..dump(self.driver:get_look_vertical()))
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--print("look yaw "..dump(self.driver:get_look_yaw()))
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--print("look horizontal "..dump(self.driver:get_look_horizontal()))
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--print("velocity "..dump(self.object:getvelocity()))
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--print("look dir "..dump(dir))
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-- Get controls
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local ctrl = self.driver:get_player_control()
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@ -229,8 +224,11 @@ function camera:on_step(dtime)
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end
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-- Set updated velocity
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--self.object:setvelocity(vector.multiply(self.driver:get_look_dir(), speed))
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self.object:setvelocity(vector.multiply(player_look_dir, speed))
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if self.mode == 0 then
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self.object:setvelocity(vector.multiply(self.driver:get_look_dir(), speed))
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elseif self.mode == 2 then
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self.object:setvelocity(vector.multiply(player_look_dir, speed))
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end
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elseif self.mode == 1 then -- elseif playback mode
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-- Get controls
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local ctrl = self.driver:get_player_control()
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@ -308,21 +306,27 @@ minetest.register_chatcommand("camera", {
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end
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elseif param1 == "list" then -- elseif list, list recordings
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return true, "Recordings: "..get_recordings(name)
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elseif param1 == "look_target" then
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elseif param1 == "look" then
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if param2 and param2 ~= "" then
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if param2 == "nil" then
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target_look_position = nil
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return true, "Target look deleted"
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end
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local coord = string.split(param2, ",")
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if #coord == 3 then
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target_look_position = {x=tonumber(coord[1]), y=tonumber(coord[2]), z=tonumber(coord[3])}
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return true, "Target look fixed"
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return true, "Looking target removed"
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elseif param2 == "here" then
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rec_mode = 2
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target_look_position = player:getpos()
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return true, "Looking target fixed"
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else
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return false, "Wrong formated coords (/camera look_target <x,y,z>)"
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local coord = string.split(param2, ",")
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if #coord == 3 then
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target_look_position = {x=tonumber(coord[1]), y=tonumber(coord[2]), z=tonumber(coord[3])}
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rec_mode = 2
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return true, "Looking target fixed"
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else
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return false, "Wrong formated look coords (/camera look <x,y,z>)"
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end
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end
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else
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return false, "Missing coords (/camera look_target <x,y,z>)"
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return false, "Missing look parameter (/camera look <nil|here|x,y,z>)"
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end
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elseif param1 == "speed" then
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if param2 and param2 ~= "" then
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@ -336,10 +340,23 @@ minetest.register_chatcommand("camera", {
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else
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return false, "Missing speed parameter (/camera speed <number>)"
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end
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elseif param1 == "mode" then
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if param2 and param2 ~= "" then
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local mode = tonumber(param2)
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if mode == 0 or mode == 2 then
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rec_mode = mode
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return true, "Record mode is set"
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else
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return false, "Invalid mode (0: Velocity follow mouse (default), 2: Velocity locked to player first look direction)"
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end
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else
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return false, "Missing mode parameter (/camera mode <0|2>)"
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end
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else -- else, begin recording
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player_look_dir = player:get_look_dir()
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local object = minetest.add_entity(player:getpos(), "camera:camera")
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object:get_luaentity():init(player, 0)
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object:get_luaentity():init(player, rec_mode)
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object:setyaw(player:get_look_yaw())
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player:set_attach(object, "", {x=0,y=10,z=0}, {x=0,y=0,z=0})
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return true, "Recording started"
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