From 7ccc82fc0992fc23aee354d687ce009ae0523bea Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Mon, 8 Feb 2021 18:26:27 +0100
Subject: Finish depth of field

---
 src/core/vector2.rs | 18 +++++++++++++++++-
 src/core/vector3.rs |  2 ++
 2 files changed, 19 insertions(+), 1 deletion(-)

(limited to 'src/core')

diff --git a/src/core/vector2.rs b/src/core/vector2.rs
index b3fa443..7e40394 100644
--- a/src/core/vector2.rs
+++ b/src/core/vector2.rs
@@ -2,7 +2,7 @@
 //!
 //! This is implemented generictly with types that fit in the Number trait
 use crate::{Float, Number};
-use std::ops::{Sub, Add};
+use std::ops::{Sub, Add, Mul};
 use std::fmt;
 use std::cmp::min;
 
@@ -45,6 +45,16 @@ impl<T: Number> Add for Vector2<T> {
     }
 }
 
+impl<T: Number> Mul<T> for Vector2<T> {
+    type Output = Self;
+    fn mul(self, op: T) -> Self::Output {
+        Self::new_xy(
+            self.x * op,
+            self.y * op,
+        )
+    }
+}
+
 impl<T: Number> fmt::Display for Vector2<T> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         f.write_fmt(format_args!("[{}, {}]", self.x, self.y))
@@ -94,6 +104,12 @@ impl Vector2i {
     }
 }
 
+impl Vector2f {
+    pub fn len(&self) -> Float {
+        (self.x*self.x + self.y*self.y).sqrt()
+    }
+}
+
 
 #[cfg(test)]
 mod tests {
diff --git a/src/core/vector3.rs b/src/core/vector3.rs
index 1ae4db2..24b84e9 100644
--- a/src/core/vector3.rs
+++ b/src/core/vector3.rs
@@ -108,6 +108,8 @@ impl<T: Number> fmt::Display for Vector3<T> {
 }
 
 impl Vector3f {
+    pub const ZERO: Self = Vector3f {x: 0.0, y: 0.0, z: 0.0};
+
     /// Calculates the length times itself
     ///
     /// This is faster than using len * len as the square is ommited
-- 
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