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improved phisycs

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This commit is contained in:
Alexsandro Percy 2023-10-27 19:30:18 -03:00
parent 028b9c3ecd
commit 3f48109809
2 changed files with 20 additions and 17 deletions
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27
lib_planes/custom_physics.lua
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@ -1,7 +1,7 @@
function airutils.physics(self)
local friction = self._ground_friction or 0.99
local vel=self.object:get_velocity()
local new_velocity = vel
local new_velocity = vector.new()
--buoyancy
local surface = nil
@ -24,6 +24,7 @@ function airutils.physics(self)
if surface then -- standing in liquid
self.isinliquid = true
end
local last_accel = self._last_accel
if self.isinliquid then
local accell = {x=0, y=0, z=0}
@ -37,14 +38,22 @@ function airutils.physics(self)
--local buoyacc = self._baloon_buoyancy*(self.buoyancy-submergence)
accell = {x=-vel.x*self.water_drag,y=buoyacc-(vel.y*math.abs(vel.y)*0.4),z=-vel.z*self.water_drag}
if self.buoyancy >= 1 then self._engine_running = false end
airutils.set_acceleration(self.object,accell)
--new_velocity = vector.add(new_velocity, vector.multiply(accell, self.dtime))
self.object:move_to(self.object:get_pos())
return
if last_accel then
accell = vector.add(accell,last_accel)
end
new_velocity = vector.multiply(accell,self.dtime)
--airutils.set_acceleration(self.object,accell)
--self.object:move_to(self.object:get_pos())
else
--airutils.set_acceleration(self.object,{x=0,y=airutils.gravity,z=0})
self.isinliquid = false
--new_velocity = vector.add(new_velocity, {x=0,y=airutils.gravity * self.dtime,z=0})
if self._last_accel then
last_accel.y = last_accel.y + airutils.gravity --gravity here
new_velocity = vector.multiply(last_accel,self.dtime)
end
--self.object:set_acceleration({x=0,y=new_accel.y, z=0})
end
if self.isonground and not self.isinliquid then
@ -85,10 +94,10 @@ function airutils.physics(self)
end
--self.object:set_velocity(new_velocity)
local vel_sum = vector.subtract(new_velocity,vel)
self.object:add_velocity(vel_sum)
--new_velocity = vector.subtract(new_velocity,vel)
end
self.object:add_velocity(new_velocity)
end

10
lib_planes/entities.lua
View file

@ -183,6 +183,7 @@ function airutils.logic(self)
local velocity = self.object:get_velocity()
local curr_pos = self.object:get_pos()
self._curr_pos = curr_pos --shared
self._last_accel = self.object:get_acceleration()
self._last_time_command = self._last_time_command + self.dtime
@ -503,14 +504,6 @@ function airutils.logic(self)
local limit = (self._max_speed/self.dtime)
if new_accel.y > limit then new_accel.y = limit end --it isn't a rocket :/
if not self.isinliquid then --why? because whe work water movements in the phisics code
new_accel.y = new_accel.y + airutils.gravity --gravity here
end
local vel_to_add = vector.multiply(new_accel,self.dtime)
--vel_to_add.y = 0
self.object:add_velocity(vel_to_add)
--self.object:set_acceleration({x=0,y=new_accel.y, z=0})
else
if stop == true then
self._last_accell = self.object:get_acceleration()
@ -614,6 +607,7 @@ function airutils.logic(self)
airutils.testImpact(self, velocity, curr_pos)
--saves last velocity for collision detection (abrupt stop)
self._last_accel = new_accel
self._last_vel = self.object:get_velocity()
self._last_longit_speed = longit_speed
self._yaw = newyaw