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feat(relativeCoords): allow passing full rotation (#703)

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Dolu
2025-02-12 04:51:57 +01:00
committed by GitHub
parent a4978804a2
commit f4f1596ff6
1 changed files with 29 additions and 11 deletions
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40
imports/getRelativeCoords/shared.lua
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@@ -1,17 +1,35 @@
local glm_sincos = require 'glm'.sincos
local glm_rad = require 'glm'.rad
local glm_sincos = require 'glm'.sincos --[[@as fun(n: number): number, number]]
local glm_rad = require 'glm'.rad --[[@as fun(n: number): number]]
---Get the relative coordinates of a vector3 based on a heading and offset
---Get the relative coordinates based on heading/rotation and offset
---@overload fun(coords: vector3, heading: number, offset: vector3): vector3
---@overload fun(coords: vector4, offset: vector3): vector4
---@param coords vector3 | vector4
---@param heading number
---@param offset vector3
---@return vector3
function lib.getRelativeCoords(coords, heading, offset)
offset = offset or heading
local x, y, z, w = coords.x, coords.y, coords.z, type(heading) == 'number' and heading or coords.w
local sin, cos = glm_sincos --[[@as fun(n: number): number, number]](glm_rad(w))
---@overload fun(coords: vector3, rotation: vector3, offset: vector3): vector3
function lib.getRelativeCoords(coords, rotation, offset)
if type(rotation) == 'vector3' and offset then
local pitch = glm_rad(rotation.x)
local roll = glm_rad(rotation.y)
local yaw = glm_rad(rotation.z)
local sp, cp = glm_sincos(pitch)
local sr, cr = glm_sincos(roll)
local sy, cy = glm_sincos(yaw)
local rotatedX = offset.x * (cy * cr) + offset.y * (cy * sr * sp - sy * cp) + offset.z * (cy * sr * cp + sy * sp)
local rotatedY = offset.x * (sy * cr) + offset.y * (sy * sr * sp + cy * cp) + offset.z * (sy * sr * cp - cy * sp)
local rotatedZ = offset.x * (-sr) + offset.y * (cr * sp) + offset.z * (cr * cp)
return vec3(
coords.x + rotatedX,
coords.y + rotatedY,
coords.z + rotatedZ
)
end
offset = offset or rotation
local x, y, z, w = coords.x, coords.y, coords.z, type(rotation) == 'number' and rotation or coords.w
local sin, cos = glm_sincos(glm_rad(w))
local relativeX = offset.x * cos - offset.y * sin
local relativeY = offset.x * sin + offset.y * cos