module Resource.Mesh.Utils where

import RIO

import RIO.List.Partial (maximum)

import Geomancy (Transform, Vec4, vec4)
import Geomancy.Transform qualified as Transform

import Resource.Mesh.Types (AxisAligned(..), Measurements(..), middleAa, sizeAa)

aabbTranslate :: AxisAligned Measurements -> Transform
aabbTranslate :: AxisAligned Measurements -> Transform
aabbTranslate AxisAligned Measurements
measurements = Float -> Float -> Float -> Transform
Transform.translate Float
aaX Float
aaY Float
aaZ
  where
    AxisAligned{Float
$sel:aaZ:AxisAligned :: forall a. AxisAligned a -> a
$sel:aaY:AxisAligned :: forall a. AxisAligned a -> a
$sel:aaX:AxisAligned :: forall a. AxisAligned a -> a
aaZ :: Float
aaY :: Float
aaX :: Float
..} = AxisAligned Measurements -> AxisAligned Float
middleAa AxisAligned Measurements
measurements

aabbScale :: AxisAligned Measurements -> Transform
aabbScale :: AxisAligned Measurements -> Transform
aabbScale AxisAligned Measurements
measurements = Float -> Float -> Float -> Transform
Transform.scale3 Float
aaX Float
aaY Float
aaZ
  where
    AxisAligned{Float
aaZ :: Float
aaY :: Float
aaX :: Float
$sel:aaZ:AxisAligned :: forall a. AxisAligned a -> a
$sel:aaY:AxisAligned :: forall a. AxisAligned a -> a
$sel:aaX:AxisAligned :: forall a. AxisAligned a -> a
..} = AxisAligned Measurements -> AxisAligned Float
sizeAa AxisAligned Measurements
measurements

boundingSphere :: AxisAligned Measurements -> Vec4
boundingSphere :: AxisAligned Measurements -> Vec4
boundingSphere AxisAligned Measurements
measurements = Float -> Float -> Float -> Float -> Vec4
vec4 Float
aaX Float
aaY Float
aaZ Float
radius
  where
    AxisAligned{Float
aaZ :: Float
aaY :: Float
aaX :: Float
$sel:aaZ:AxisAligned :: forall a. AxisAligned a -> a
$sel:aaY:AxisAligned :: forall a. AxisAligned a -> a
$sel:aaX:AxisAligned :: forall a. AxisAligned a -> a
..} = AxisAligned Measurements -> AxisAligned Float
middleAa AxisAligned Measurements
measurements
    radius :: Float
radius = AxisAligned Float -> Float
forall (t :: * -> *) a. (Foldable t, Ord a) => t a -> a
maximum ((Measurements -> Float)
-> AxisAligned Measurements -> AxisAligned Float
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap Measurements -> Float
mMax AxisAligned Measurements
measurements)