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put quadBezier method at airutls scope

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Alexsandro Percy 2022-05-04 13:07:05 -03:00
parent 4879de8892
commit d9dd972814
1 changed files with 4 additions and 3 deletions
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7
init.lua
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@ -165,11 +165,11 @@ local function pitchroll2pitchyaw(aoa,roll)
return pitch,yaw return pitch,yaw
end end
function lerp(a, b, c) local function lerp(a, b, c)
return a + (b - a) * c return a + (b - a) * c
end end
function quadBezier(t, p0, p1, p2) function airutils.quadBezier(t, p0, p1, p2)
local l1 = lerp(p0, p1, t) local l1 = lerp(p0, p1, t)
local l2 = lerp(p1, p2, t) local l2 = lerp(p1, p2, t)
local quad = lerp(l1, l2, t) local quad = lerp(l1, l2, t)
@ -198,7 +198,7 @@ function airutils.get_ground_effect_lift(self, curr_pos, lift, wingspan)
--smooth the curve --smooth the curve
local distance_factor = ((ground_distance) * 1) / (wingspan) local distance_factor = ((ground_distance) * 1) / (wingspan)
local effect_factor = quadBezier(distance_factor, 0, wingspan, 0) local effect_factor = airutils.quadBezier(distance_factor, 0, wingspan, 0)
if effect_factor < 0 then effect_factor = 0 end if effect_factor < 0 then effect_factor = 0 end
if effect_factor > 0 then if effect_factor > 0 then
effect_factor = math.abs( half_wingspan - effect_factor ) effect_factor = math.abs( half_wingspan - effect_factor )
@ -223,6 +223,7 @@ end
-- max_height: the max ceilling for the airplane -- max_height: the max ceilling for the airplane
-- wingspan: for ground effect calculation -- wingspan: for ground effect calculation
function airutils.getLiftAccel(self, velocity, accel, longit_speed, roll, curr_pos, lift, max_height, wingspan) function airutils.getLiftAccel(self, velocity, accel, longit_speed, roll, curr_pos, lift, max_height, wingspan)
if longit_speed == nil then longit_speed = 0 end
wingspan = wingspan or 10 wingspan = wingspan or 10
local ground_effect_extra_lift = airutils.get_ground_effect_lift(self, curr_pos, lift, wingspan) local ground_effect_extra_lift = airutils.get_ground_effect_lift(self, curr_pos, lift, wingspan)
--minetest.chat_send_all('lift: '.. lift ..' - extra lift: '.. ground_effect_extra_lift) --minetest.chat_send_all('lift: '.. lift ..' - extra lift: '.. ground_effect_extra_lift)