forked from minetest-mods/camera
- Fix rotation behaviour during recording
- Clean code - Change keys during recording : 'e' for stop recording and 'L-Shift' for stop rotating
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sys4-fr
parent
6feae4d3e0
commit
38596c37dc
145
init.lua
145
init.lua
@ -12,7 +12,9 @@ Usage: /camera
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Execute command to start recording. While recording:
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- use up/down to accelerate/decelerate
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- use jump to brake
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- use crouch to stop recording
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- use aux1 to stop recording
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- use left/right to rotate if looking target is set
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- use crouch to stop rotating
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Use /camera play to play back the last recording. While playing back:
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- use crouch to stop playing back
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Use /camera play <name> to play a specific recording
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@ -125,67 +127,28 @@ function camera:on_step(dtime)
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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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local vec_pos = vector.subtract(target_look_position, pos)
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-- Pitch
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local opp = vec_pos.y
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local adj = vec_pos.x
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if math.abs(vec_pos.z) > math.abs(vec_pos.x) then
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adj = vec_pos.z
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adj = vec_pos.z
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end
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self.driver:set_look_vertical(math.atan((opp*-1)/math.abs(adj)))
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self.driver:set_look_vertical(-math.atan2(opp, 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 = math.atan(opp/adj)
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if math.abs(vec_pos.x) > math.abs(vec_pos.z) then
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yaw = math.atan(adj/opp)
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if adj < 0 and opp < 0 then
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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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yaw = yaw + math.pi + math.pi/2
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end
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if yaw < 0 then
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if opp > 0 then
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yaw = math.pi + math.pi/2 + yaw
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else
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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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if adj < 0 and opp < 0 then
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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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yaw = math.pi*2 - yaw
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end
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if yaw < 0 then
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if opp > 0 then
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yaw = math.pi - yaw
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else
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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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local yaw = -math.atan2(opp,adj)
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self.driver:set_look_horizontal(yaw)
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-- Make velocity to rotate camera
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if rotate then
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cos_yaw = math.cos(yaw)
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sin_yaw = math.sin(yaw)
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else
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cos_yaw, sin_yaw = 0, 0
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end
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end
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@ -193,13 +156,13 @@ function camera:on_step(dtime)
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self.path[#self.path + 1] = {
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pos = pos,
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velocity = vel,
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pitch = self.driver:get_look_pitch(),
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yaw = self.driver:get_look_yaw()
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pitch = self.driver:get_look_vertical(),
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yaw = self.driver:get_look_horizontal()
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}
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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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self.object:set_look_vertical(self.driver:get_look_vertical())
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self.object:set_look_horizontal(self.driver:get_look_horizontal())
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-- Get controls
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local ctrl = self.driver:get_player_control()
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@ -210,51 +173,25 @@ function camera:on_step(dtime)
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-- if up, accelerate forward
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if ctrl.up then
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speed = math.min(speed + speed_factor, 20)
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if rotate then
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rotate_speed = math.min(rotate_speed + speed_factor, 0.8)
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end
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end
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-- if down, accelerate backward
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if ctrl.down then
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speed = math.max(speed - speed_factor, -20)
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if rotate then
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rotate_speed = math.max(rotate_speed - speed_factor, -0.8)
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end
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end
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-- if left, rotate to left
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if ctrl.left and target_look_position then
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if rotate_speed == 0 and speed >= 0 then
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rotate = true
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rotate_speed = math.max(-speed, -0.8)
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end
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end
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-- if right, rotate to right
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if ctrl.right and target_look_position then
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if rotate_speed == 0 and speed >= 0 then
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rotate = true
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rotate_speed = math.min(speed, 0.8)
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end
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rotate = true
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rotate_speed = math.min(rotate_speed + speed_factor, 0.5)
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end
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-- if aux1 (aka key 'e') then stop rotate
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if ctrl.left and target_look_position then
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rotate = true
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rotate_speed = math.max(rotate_speed - speed_factor, -1)
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end
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-- if aux1 (aka key 'e') then stop recording
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if ctrl.aux1 then
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rotate = false
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rotate_speed = 0
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end
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-- if jump, brake
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if ctrl.jump then
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speed = math.max(speed * 0.9, 0.0)
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if rotate then
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rotate_speed = math.max(rotate_speed * 0.9, 0.0)
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end
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end
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-- if sneak, stop recording
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if ctrl.sneak then
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self.driver:set_detach()
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minetest.chat_send_player(self.driver:get_player_name(), "Recorded stopped after " .. #self.path .. " points")
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temp[self.driver:get_player_name()] = table.copy(self.path)
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@ -262,16 +199,34 @@ function camera:on_step(dtime)
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return
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end
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-- if jump, brake
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if ctrl.jump then
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speed = math.max(speed * 0.5, 0.0)
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rotate_speed = math.max(speed * 0.5, 0.0)
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end
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-- if sneak, stop rotating
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if ctrl.sneak then
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rotate = false
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rotate_speed = 0
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end
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-- Set updated velocity
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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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if rotate and cos_yaw and sin_yaw then
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local velocity = { x = self.object:getvelocity().x+cos_yaw, y = 0, z = self.object:getvelocity().z+sin_yaw}
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self.object:setvelocity(vector.multiply(velocity, rotate_speed))
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else
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self.object:setvelocity(vector.multiply(player_look_dir, speed))
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end
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if rotate then
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self.object:setvelocity(
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vector.multiply(
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{
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x = self.object:get_velocity().x+cos_yaw,
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y = 0,
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z = self.object:get_velocity().z+sin_yaw
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}
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, rotate_speed))
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else
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self.object:setvelocity(vector.multiply(player_look_dir, speed))
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end
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end
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elseif self.mode == 1 then -- elseif playback mode
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@ -289,8 +244,8 @@ function camera:on_step(dtime)
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-- Update position
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self.object:moveto(self.path[1].pos, true)
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-- Update yaw/pitch
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self.driver:set_look_yaw(self.path[1].yaw - (math.pi/2))
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self.driver:set_look_pitch(0 - self.path[1].pitch)
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self.driver:set_look_horizontal(self.path[1].yaw)
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self.driver:set_look_vertical(self.path[1].pitch)
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-- Update velocity
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self.object:setvelocity(self.path[1].velocity)
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-- Remove path table
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@ -309,12 +264,12 @@ minetest.register_chatcommand("camera", {
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local player = minetest.get_player_by_name(name)
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local param1, param2 = param:split(" ")[1], param:split(" ")[2]
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-- if play, begin playback preperation
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-- if play, begin playback preparation
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if param1 == "play" then
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local function play(path)
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local object = minetest.add_entity(player:getpos(), "camera:camera")
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object:get_luaentity():init(player, 1)
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object:setyaw(player:get_look_yaw())
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object:setyaw(player:get_look_horizontal())
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player:set_attach(object, "", {x=5,y=10,z=0}, {x=0,y=0,z=0})
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object:get_luaentity().path = path
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end
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@ -402,7 +357,7 @@ minetest.register_chatcommand("camera", {
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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, rec_mode)
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object:setyaw(player:get_look_yaw())
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object:setyaw(player:get_look_horizontal())
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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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end
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