4 files changed, 38 insertions, 4 deletions
diff --git a/engine/src/data_types/color.rs b/engine/src/data_types/color.rs
index cef3b92..c5316e6 100644
--- a/engine/src/data_types/color.rs
+++ b/engine/src/data_types/color.rs
@@ -1,7 +1,6 @@
 use std::ops::{Add, Div, Mul, Neg, Sub};
 
 #[derive(Debug, Clone, Default)]
-#[repr(C)]
 pub struct Color<Value>
 {
     pub red: Value,
diff --git a/engine/src/data_types/dimens.rs b/engine/src/data_types/dimens.rs
index d8d0247..8bf239f 100644
--- a/engine/src/data_types/dimens.rs
+++ b/engine/src/data_types/dimens.rs
@@ -1,3 +1,5 @@
+use std::num::NonZeroU32;
+
 /// 2D dimensions.
 #[derive(Debug, Clone, Copy)]
 pub struct Dimens<Value>
@@ -22,6 +24,18 @@ impl<Value> From<(Value, Value)> for Dimens<Value>
     }
 }
 
+impl Dimens<u32>
+{
+    #[must_use]
+    pub fn try_into_nonzero(self) -> Option<Dimens<NonZeroU32>>
+    {
+        Some(Dimens {
+            width: NonZeroU32::new(self.width)?,
+            height: NonZeroU32::new(self.height)?,
+        })
+    }
+}
+
 /// 3D dimensions.
 #[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
 pub struct Dimens3<Value>
diff --git a/engine/src/data_types/matrix.rs b/engine/src/data_types/matrix.rs
index 3a29ae2..b754b62 100644
--- a/engine/src/data_types/matrix.rs
+++ b/engine/src/data_types/matrix.rs
@@ -4,7 +4,7 @@ use crate::vector::Vec3;
 pub struct Matrix<Value, const ROWS: usize, const COLUMNS: usize>
 {
     /// Items must be layed out this way for it to work with OpenGL shaders.
-    items: [[Value; ROWS]; COLUMNS],
+    pub items: [[Value; ROWS]; COLUMNS],
 }
 
 impl<Value, const ROWS: usize, const COLUMNS: usize> Matrix<Value, ROWS, COLUMNS>
diff --git a/engine/src/data_types/vector.rs b/engine/src/data_types/vector.rs
index 100c709..dc6df30 100644
--- a/engine/src/data_types/vector.rs
+++ b/engine/src/data_types/vector.rs
@@ -3,7 +3,6 @@ use std::ops::{Add, AddAssign, Div, Mul, Neg, Sub, SubAssign};
 use crate::color::Color;
 
 #[derive(Debug, Default, Clone, Copy, PartialEq)]
-#[repr(C)]
 pub struct Vec2<Value>
 {
     pub x: Value,
@@ -15,6 +14,29 @@ impl Vec2<u32>
     pub const ZERO: Self = Self { x: 0, y: 0 };
 }
 
+impl<Value> Add for Vec2<Value>
+where
+    Value: Add<Value, Output = Value>,
+{
+    type Output = Self;
+
+    fn add(self, rhs: Self) -> Self::Output
+    {
+        Self::Output { x: self.x + rhs.x, y: self.y + rhs.y }
+    }
+}
+
+impl<Value> AddAssign for Vec2<Value>
+where
+    Value: Add<Value, Output = Value> + Clone,
+{
+    fn add_assign(&mut self, rhs: Self)
+    {
+        self.x = self.x.clone() + rhs.x;
+        self.y = self.y.clone() + rhs.y;
+    }
+}
+
 impl<Value> Add<Value> for Vec2<Value>
 where
     Value: Add<Output = Value> + Clone,
@@ -76,7 +98,6 @@ where
 }
 
 #[derive(Debug, Default, Clone, Copy, PartialEq)]
-#[repr(C)]
 pub struct Vec3<Value>
 {
     pub x: Value,