diff --git a/Cargo.lock b/Cargo.lock
index f858028..e2c66fe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1438,6 +1438,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8ecd80612937e0267909d5351770fe150004e24dab93954f69ca62eecd3f77e"
 dependencies = [
  "bytemuck",
+ "mint",
 ]
 
 [[package]]
@@ -1733,6 +1734,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8e4afd9ad95555081e109fe1d21f2a30c691b5f0919c67dfa690a2e1eb6bd51c"
 dependencies = [
  "bytemuck",
+ "mint",
  "serde",
 ]
 
@@ -2235,6 +2237,12 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
+name = "mint"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e53debba6bda7a793e5f99b8dacf19e626084f525f7829104ba9898f367d85ff"
+
 [[package]]
 name = "mio"
 version = "0.8.6"
@@ -2839,6 +2847,7 @@ dependencies = [
  "image",
  "log",
  "memmap2",
+ "mint",
  "tegra_swizzle",
  "uuid",
 ]
@@ -2874,6 +2883,7 @@ dependencies = [
  "bevy",
  "bevy_egui",
  "bevy_embedded_assets",
+ "bevy_math",
  "bevy_mod_raycast",
  "binrw",
  "bit-set",
@@ -2883,6 +2893,7 @@ dependencies = [
  "half 3.0.0-dev",
  "image",
  "log",
+ "mint",
  "num-traits",
  "retrolib",
  "uuid",
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index 0fdda29..332f098 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -20,5 +20,6 @@ flate2 = "1.0.25"
 image = "0.24.5"
 log = "0.4.17"
 memmap2 = "0.5.9"
+mint = "0.5.9"
 tegra_swizzle = "0.3.1"
 uuid = "1.3.0"
diff --git a/lib/src/format/mod.rs b/lib/src/format/mod.rs
index c67b4e1..c6c227c 100644
--- a/lib/src/format/mod.rs
+++ b/lib/src/format/mod.rs
@@ -65,13 +65,78 @@ impl PartialEq<[u8; 4]> for FourCC {
 pub fn peek_four_cc(data: &[u8]) -> FourCC { FourCC(*array_ref!(data, 0, 4)) }
 
 #[binrw]
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Default)]
 pub struct CVector3f {
     pub x: f32,
     pub y: f32,
     pub z: f32,
 }
 
+impl CVector3f {
+    #[inline]
+    pub fn new(x: f32, y: f32, z: f32) -> Self { Self { x, y, z } }
+
+    #[inline]
+    pub fn splat(xyz: f32) -> Self { Self { x: xyz, y: xyz, z: xyz } }
+
+    #[inline]
+    pub fn to_array(self) -> [f32; 3] { [self.x, self.y, self.z] }
+}
+impl From<[f32; 3]> for CVector3f {
+    fn from(value: [f32; 3]) -> Self { Self { x: value[0], y: value[1], z: value[2] } }
+}
+impl From<CVector3f> for [f32; 3] {
+    fn from(value: CVector3f) -> Self { value.to_array() }
+}
+
+impl From<CVector3f> for mint::Vector3<f32> {
+    fn from(value: CVector3f) -> Self { Self::from([value.x, value.y, value.z]) }
+}
+impl From<mint::Vector3<f32>> for CVector3f {
+    fn from(value: mint::Vector3<f32>) -> Self { Self { x: value.x, y: value.y, z: value.z } }
+}
+impl mint::IntoMint for CVector3f {
+    type MintType = mint::Vector3<f32>;
+}
+
+#[binrw]
+#[derive(Copy, Clone, Debug, Default)]
+pub struct CVector4f {
+    pub x: f32,
+    pub y: f32,
+    pub z: f32,
+    pub w: f32,
+}
+
+impl CVector4f {
+    #[inline]
+    pub fn new(x: f32, y: f32, z: f32, w: f32) -> Self { Self { x, y, z, w } }
+
+    #[inline]
+    pub fn splat(xyzw: f32) -> Self { Self { x: xyzw, y: xyzw, z: xyzw, w: xyzw } }
+
+    #[inline]
+    pub fn to_array(self) -> [f32; 4] { [self.x, self.y, self.z, self.w] }
+}
+impl From<[f32; 4]> for CVector4f {
+    fn from(value: [f32; 4]) -> Self { Self { x: value[0], y: value[1], z: value[2], w: value[3] } }
+}
+impl From<CVector4f> for [f32; 4] {
+    fn from(value: CVector4f) -> Self { value.to_array() }
+}
+
+impl From<CVector4f> for mint::Vector4<f32> {
+    fn from(value: CVector4f) -> Self { Self::from([value.x, value.y, value.z, value.w]) }
+}
+impl From<mint::Vector4<f32>> for CVector4f {
+    fn from(value: mint::Vector4<f32>) -> Self {
+        Self { x: value.x, y: value.y, z: value.z, w: value.w }
+    }
+}
+impl mint::IntoMint for CVector4f {
+    type MintType = mint::Vector4<f32>;
+}
+
 #[binrw]
 #[derive(Copy, Clone, Debug)]
 pub struct CColor4f {
@@ -81,19 +146,40 @@ pub struct CColor4f {
     pub a: f32,
 }
 
+impl Default for CColor4f {
+    fn default() -> Self { Self { r: 0.0, g: 0.0, b: 0.0, a: 1.0 } }
+}
 impl CColor4f {
+    #[inline]
+    pub fn new(r: f32, g: f32, b: f32, a: f32) -> Self { Self { r, g, b, a } }
+
+    #[inline]
+    pub fn splat(rgba: f32) -> Self { Self { r: rgba, g: rgba, b: rgba, a: rgba } }
+
     #[inline]
     pub fn to_array(self) -> [f32; 4] { [self.r, self.g, self.b, self.a] }
 }
+impl From<[f32; 4]> for CColor4f {
+    fn from(value: [f32; 4]) -> Self { Self { r: value[0], g: value[1], b: value[2], a: value[3] } }
+}
 impl From<CColor4f> for [f32; 4] {
     fn from(value: CColor4f) -> Self { value.to_array() }
 }
-impl Default for CColor4f {
-    fn default() -> Self { Self { r: 0.0, g: 0.0, b: 0.0, a: 1.0 } }
+
+impl From<CColor4f> for mint::Vector4<f32> {
+    fn from(value: CColor4f) -> Self { Self::from([value.r, value.g, value.b, value.a]) }
+}
+impl From<mint::Vector4<f32>> for CColor4f {
+    fn from(value: mint::Vector4<f32>) -> Self {
+        Self { r: value.x, g: value.y, b: value.z, a: value.w }
+    }
+}
+impl mint::IntoMint for CColor4f {
+    type MintType = mint::Vector4<f32>;
 }
 
 #[binrw]
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Default)]
 pub struct CVector4i {
     pub x: i32,
     pub y: i32,
@@ -102,50 +188,132 @@ pub struct CVector4i {
 }
 
 impl CVector4i {
+    #[inline]
+    pub fn new(x: i32, y: i32, z: i32, w: i32) -> Self { Self { x, y, z, w } }
+
+    #[inline]
+    pub fn splat(xyzw: i32) -> Self { Self { x: xyzw, y: xyzw, z: xyzw, w: xyzw } }
+
     #[inline]
     pub fn to_array(self) -> [i32; 4] { [self.x, self.y, self.z, self.w] }
 }
+impl From<[i32; 4]> for CVector4i {
+    fn from(value: [i32; 4]) -> Self { Self { x: value[0], y: value[1], z: value[2], w: value[3] } }
+}
+impl From<CVector4i> for [i32; 4] {
+    fn from(value: CVector4i) -> Self { value.to_array() }
+}
+
+impl From<CVector4i> for mint::Vector4<i32> {
+    fn from(value: CVector4i) -> Self { Self::from([value.x, value.y, value.z, value.w]) }
+}
+impl From<mint::Vector4<i32>> for CVector4i {
+    fn from(value: mint::Vector4<i32>) -> Self {
+        Self { x: value.x, y: value.y, z: value.z, w: value.w }
+    }
+}
+impl mint::IntoMint for CVector4i {
+    type MintType = mint::Vector4<i32>;
+}
 
 #[binrw]
-#[derive(Clone, Debug)]
+#[derive(Copy, Clone, Debug)]
 pub struct CMatrix4f {
     pub m: [f32; 16],
 }
 
+impl Default for CMatrix4f {
+    fn default() -> Self {
+        Self {
+            #[rustfmt::skip]
+            m: [
+                1.0, 0.0, 0.0, 0.0,
+                0.0, 1.0, 0.0, 0.0,
+                0.0, 0.0, 1.0, 0.0,
+                0.0, 0.0, 0.0, 1.0,
+            ],
+        }
+    }
+}
+impl From<CMatrix4f> for mint::RowMatrix4<f32> {
+    fn from(value: CMatrix4f) -> Self { Self::from(value.m) }
+}
+impl From<mint::RowMatrix4<f32>> for CMatrix4f {
+    fn from(value: mint::RowMatrix4<f32>) -> Self { Self { m: value.into() } }
+}
+impl mint::IntoMint for CMatrix4f {
+    type MintType = mint::RowMatrix4<f32>;
+}
+
 #[binrw]
-#[derive(Clone, Debug)]
+#[derive(Copy, Clone, Debug)]
 pub struct CAABox {
     pub min: CVector3f,
     pub max: CVector3f,
 }
 
-#[binrw]
-#[derive(Clone, Debug)]
-pub struct CTransform4f {
-    m00: f32,
-    m01: f32,
-    m02: f32,
-    m03: f32,
-    m10: f32,
-    m11: f32,
-    m12: f32,
-    m13: f32,
-    m20: f32,
-    m21: f32,
-    m22: f32,
-    m23: f32,
+impl Default for CAABox {
+    fn default() -> Self {
+        Self { min: CVector3f::splat(f32::MAX), max: CVector3f::splat(f32::MIN) }
+    }
 }
 
+#[binrw]
+#[derive(Copy, Clone, Debug)]
+pub struct CTransform4f {
+    m0: CVector4f,
+    m1: CVector4f,
+    m2: CVector4f,
+}
+
+impl Default for CTransform4f {
+    fn default() -> Self {
+        Self {
+            m0: CVector4f::new(1.0, 0.0, 0.0, 0.0),
+            m1: CVector4f::new(0.0, 1.0, 0.0, 0.0),
+            m2: CVector4f::new(0.0, 0.0, 1.0, 0.0),
+        }
+    }
+}
 impl CTransform4f {
     #[inline]
-    #[rustfmt::skip]
-    pub fn to_matrix_array(&self) -> [f32; 16] {
-        [
-            self.m00, self.m10, self.m20, 0.0,
-            self.m01, self.m11, self.m21, 0.0,
-            self.m02, self.m12, self.m22, 0.0,
-            self.m03, self.m13, self.m23, 1.0,
-        ]
+    pub fn translation(&self) -> CVector3f { CVector3f::new(self.m0.w, self.m1.w, self.m2.w) }
+}
+impl From<CTransform4f> for mint::RowMatrix3x4<f32> {
+    fn from(value: CTransform4f) -> Self {
+        Self::from([value.m0.into(), value.m1.into(), value.m2.into()])
+    }
+}
+impl From<mint::RowMatrix3x4<f32>> for CTransform4f {
+    fn from(value: mint::RowMatrix3x4<f32>) -> Self {
+        Self { m0: value.x.into(), m1: value.y.into(), m2: value.z.into() }
+    }
+}
+impl mint::IntoMint for CTransform4f {
+    type MintType = mint::RowMatrix3x4<f32>;
+}
+
+impl From<CTransform4f> for mint::RowMatrix4<f32> {
+    // noinspection DuplicatedCode
+    fn from(value: CTransform4f) -> Self {
+        Self::from([
+            [value.m0.x, value.m0.y, value.m0.z, value.m0.w],
+            [value.m1.x, value.m1.y, value.m1.z, value.m1.w],
+            [value.m2.x, value.m2.y, value.m2.z, value.m2.w],
+            [0.0, 0.0, 0.0, 1.0],
+        ])
+    }
+}
+
+impl From<CTransform4f> for mint::ColumnMatrix4<f32> {
+    // noinspection DuplicatedCode
+    fn from(value: CTransform4f) -> Self {
+        Self::from([
+            [value.m0.x, value.m1.x, value.m2.x, 0.0],
+            [value.m0.y, value.m1.y, value.m2.y, 0.0],
+            [value.m0.z, value.m1.z, value.m2.z, 0.0],
+            [value.m0.w, value.m1.w, value.m2.w, 1.0],
+        ])
     }
 }
 
diff --git a/retrotool-gui/Cargo.toml b/retrotool-gui/Cargo.toml
index be2c9fe..0156723 100644
--- a/retrotool-gui/Cargo.toml
+++ b/retrotool-gui/Cargo.toml
@@ -20,15 +20,17 @@ anyhow = "1.0.69"
 astc-decode = "0.3.1"
 bevy_egui = "0.20.1"
 bevy_embedded_assets = { version = "0.7.0", optional = true }
+bevy_math = { version = "0.10.0", features = ["mint"] }
 bevy_mod_raycast = { git = "https://github.com/encounter/bevy_mod_raycast", branch = "updates" }
 binrw = "0.11.1"
 bit-set = "0.5.3"
 bytemuck = { version = "1.13.0", features = ["min_const_generics"] }
-egui = "0.21.0"
+egui = { version = "0.21.0", features = ["mint"] }
 egui_dock = "0.4.0"
 half = { git = "https://github.com/encounter/half-rs", branch = "inline", features = ["bytemuck"] }
 image = "0.24.5"
 log = "0.4.17"
+mint = "0.5.9"
 num-traits = "0.2.15"
 retrolib = { path = "../lib" }
 uuid = "1.3.0"
diff --git a/retrotool-gui/src/render/camera.rs b/retrotool-gui/src/render/camera.rs
index de89a3d..cf915d5 100644
--- a/retrotool-gui/src/render/camera.rs
+++ b/retrotool-gui/src/render/camera.rs
@@ -35,8 +35,7 @@ impl ModelCamera {
         let mut pan = Vec2::ZERO;
         let scroll = {
             if response.hovered() {
-                // let delta = ui.input(|i| i.scroll_delta);
-                Vec2::new(scroll_delta.x, scroll_delta.y)
+                mint::Vector2::from(scroll_delta).into()
             } else {
                 Vec2::ZERO
             }
@@ -50,11 +49,9 @@ impl ModelCamera {
             self.upside_down = up.y <= 0.0;
         }
         if response.dragged_by(PointerButton::Primary) {
-            let delta = response.drag_delta();
-            rotation_move = Vec2::new(delta.x, delta.y);
+            rotation_move = mint::Vector2::from(response.drag_delta()).into();
         } else if response.dragged_by(PointerButton::Middle) {
-            let delta = response.drag_delta();
-            pan = Vec2::new(delta.x, delta.y);
+            pan = mint::Vector2::from(response.drag_delta()).into();
         }
         if rotation_move.length_squared() > 0.0 {
             any = true;
@@ -75,7 +72,7 @@ impl ModelCamera {
             any = true;
             if let Projection::Perspective(projection) = &self.projection {
                 pan *= Vec2::new(projection.fov * projection.aspect_ratio, projection.fov)
-                    / Vec2::new(rect.width(), rect.height());
+                    / Vec2::from(mint::Vector2::from(rect.size()));
             }
             // translate by local axes
             let right = self.transform.rotation * Vec3::X * -pan.x;
diff --git a/retrotool-gui/src/render/model.rs b/retrotool-gui/src/render/model.rs
index 1ca8a1d..f17810d 100644
--- a/retrotool-gui/src/render/model.rs
+++ b/retrotool-gui/src/render/model.rs
@@ -88,10 +88,6 @@ pub fn load_model(asset: &ModelAsset, meshes: &mut Assets<Mesh>) -> Result<Built
     }
 
     // Process meshes
-    let aabb = Aabb::from_min_max(
-        Vec3::new(head.bounds.min.x, head.bounds.min.y, head.bounds.min.z),
-        Vec3::new(head.bounds.max.x, head.bounds.max.y, head.bounds.max.z),
-    );
     let mut out_meshes = vec![];
     for (_idx, in_mesh) in mesh.meshes.iter().enumerate() {
         let (indices, vert_range) = match &index_buffers[in_mesh.idx_buf_idx as usize] {
@@ -132,18 +128,25 @@ pub fn load_model(asset: &ModelAsset, meshes: &mut Assets<Mesh>) -> Result<Built
         lod.push(ModelLod { meshes: visible, distance: mesh.lod_rules.get(idx).map(|r| r.value) });
     }
 
-    Ok(BuiltModel { meshes: out_meshes, lod, materials: mtrl.materials.clone(), aabb })
+    Ok(BuiltModel {
+        meshes: out_meshes,
+        lod,
+        materials: mtrl.materials.clone(),
+        aabb: convert_aabb(&head.bounds),
+    })
 }
 
+#[inline]
 pub fn convert_aabb(aabb: &CAABox) -> Aabb {
-    Aabb::from_min_max(
-        Vec3::new(aabb.min.x, aabb.min.y, aabb.min.z),
-        Vec3::new(aabb.max.x, aabb.max.y, aabb.max.z),
-    )
+    let min = mint::Vector3::from(aabb.min);
+    let max = mint::Vector3::from(aabb.max);
+    Aabb::from_min_max(min.into(), max.into())
 }
 
+#[inline]
 pub fn convert_transform(xf: &CTransform4f) -> Transform {
-    Transform::from_matrix(Mat4::from_cols_array(&xf.to_matrix_array()))
+    let mtx = mint::ColumnMatrix4::from(*xf);
+    Transform::from_matrix(mtx.into())
 }
 
 #[derive(Debug, Clone, Default)]
diff --git a/retrotool-gui/src/tabs/modcon.rs b/retrotool-gui/src/tabs/modcon.rs
index a4f7c8a..7bb5ca8 100644
--- a/retrotool-gui/src/tabs/modcon.rs
+++ b/retrotool-gui/src/tabs/modcon.rs
@@ -238,7 +238,8 @@ impl SystemTab for ModConTab {
                 min = info.aabb.min().min(min);
                 max = info.aabb.max().max(max);
             }
-            self.camera.init(&Aabb::from_min_max(min.into(), max.into()), true);
+            let aabb = Aabb::from_min_max(min.into(), max.into());
+            self.camera.init(&aabb, true);
         }
 
         // FIXME
diff --git a/retrotool-gui/src/tabs/texture.rs b/retrotool-gui/src/tabs/texture.rs
index dd37760..b228710 100644
--- a/retrotool-gui/src/tabs/texture.rs
+++ b/retrotool-gui/src/tabs/texture.rs
@@ -154,21 +154,17 @@ impl SystemTab for TextureTab {
                     mip.texture_ids.len(),
                 ));
             }
-            let w = mip.width;
-            let h = mip.height;
-            let size = egui::Vec2 { x: w as f32, y: h as f32 };
+            let size = egui::Vec2::new(mip.width as f32, mip.height as f32);
             let draw_image =
                 |ui: &mut egui::Ui, rect: &egui::Rect, i: usize, x: u32, y: u32, flip: bool| {
-                    let min = egui::Vec2 { x: (w * x) as f32, y: (h * y) as f32 };
-                    let max = egui::Vec2 { x: (w * (x + 1)) as f32, y: (h * (y + 1)) as f32 };
+                    let min = rect.min + size * egui::Vec2::new(x as f32, y as f32);
                     let y_range = if flip { 1.0..=0.0 } else { 0.0..=1.0 };
                     egui::widgets::Image::new(mip.texture_ids[i], size)
                         .uv(egui::Rect::from_x_y_ranges(0.0..=1.0, y_range))
-                        .paint_at(ui, egui::Rect { min: rect.min + min, max: rect.min + max });
+                        .paint_at(ui, egui::Rect::from_min_size(min, size));
                 };
             if txtr.inner.head.kind == ETextureType::Cube && mip.texture_ids.len() == 6 {
-                let (_, rect) =
-                    ui.allocate_space(egui::Vec2 { x: (w * 4) as f32, y: (h * 3) as f32 });
+                let (_, rect) = ui.allocate_space(size * egui::Vec2::new(4.0, 3.0));
                 draw_image(ui, &rect, 2, 1, 0, self.v_flip);
                 draw_image(ui, &rect, 1, 0, 1, self.v_flip);
                 draw_image(ui, &rect, 4, 1, 1, self.v_flip);
@@ -176,10 +172,8 @@ impl SystemTab for TextureTab {
                 draw_image(ui, &rect, 5, 3, 1, self.v_flip);
                 draw_image(ui, &rect, 3, 1, 2, self.v_flip);
             } else {
-                let (_, rect) = ui.allocate_space(egui::Vec2 {
-                    x: (w as usize * mip.texture_ids.len()) as f32,
-                    y: h as f32,
-                });
+                let (_, rect) =
+                    ui.allocate_space(size * egui::Vec2::new(mip.texture_ids.len() as f32, 1.0));
                 for i in 0..mip.texture_ids.len() {
                     draw_image(ui, &rect, i, i as u32, 0, self.v_flip);
                 }