feat(engine): add basic flat lighting

1 files changed, 22 insertions, 0 deletions

diff --git a/engine/src/vector.rs b/engine/src/vector.rs
index 00d6a6f..a5ef911 100644
--- a/engine/src/vector.rs
+++ b/engine/src/vector.rs
@@ -1,5 +1,7 @@
 use std::ops::{Add, AddAssign, Mul, Neg, Sub, SubAssign};
 
+use crate::color::Color;
+
 #[derive(Debug, Default, Clone)]
 pub struct Vec2<Value>
 {
@@ -64,6 +66,14 @@ impl Vec3<f32>
     }
 }
 
+impl<Value> Vec3<Value>
+{
+    pub fn as_ptr(&self) -> *const Value
+    {
+        &self.x
+    }
+}
+
 impl<Value> Sub for Vec3<Value>
 where
     Value: Sub<Value, Output = Value>,
@@ -215,3 +225,15 @@ where
         self.z -= rhs.z;
     }
 }
+
+impl<Value> From<Color<Value>> for Vec3<Value>
+{
+    fn from(color: Color<Value>) -> Self
+    {
+        Self {
+            x: color.red,
+            y: color.green,
+            z: color.blue,
+        }
+    }
+}