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fix gimbal lock

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This commit is contained in:
neveix 2026-08-15 13:11:56 +05:00
parent a8ec87bdea
commit dbe1dfd380
1 changed files with 12 additions and 8 deletions
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20
res/content/base/modules/util.lua
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@ -13,14 +13,18 @@ local function calculate_item_drop_dir(pid)
if not hud.is_inventory_open() and not hud.is_player_inventory_open() then
mpos = {0, 0}
end
pitch = math.clamp(pitch - mpos[2]*DROP_MAX_ITEM_DIR_SHIFT_DEGREES*2, -90, 90)
yaw = math.rad(yaw + 90 -mpos[1]*DROP_MAX_ITEM_DIR_SHIFT_DEGREES*2)
pitch = math.rad(pitch)
return vec3.normalize({
math.cos(yaw) * math.cos(pitch),
math.sin(pitch),
-math.sin(yaw) * math.cos(pitch)
})
local q_yaw = quat.from_euler({0, yaw, 0})
local q_pitch = quat.from_euler({pitch, 0, 0})
local q_rotation = quat.mul(q_yaw, q_pitch)
local q_shift = quat.from_euler({
-mpos[2]*DROP_MAX_ITEM_DIR_SHIFT_DEGREES*2,
-mpos[1]*DROP_MAX_ITEM_DIR_SHIFT_DEGREES*2,
0,
})
quat.mul(q_rotation, q_shift, q_rotation)
return quat.mul_vec3(q_rotation, {0, 0, -1})
end
---@param mode integer 0 - whole stack, 1 - single item, 2 - dupe whole stack