From c6e9baa0009f7cce0f6ff156a3957ef04a8cb684 Mon Sep 17 00:00:00 2001
From: Elizabeth Hunt <elizabeth.hunt@simponic.xyz>
Date: Sat, 12 Aug 2023 13:49:16 -0600
Subject: the great engine refactor

---
 engine/components/Velocity.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'engine/components/Velocity.ts')

diff --git a/engine/components/Velocity.ts b/engine/components/Velocity.ts
index 119427d..068d8cd 100644
--- a/engine/components/Velocity.ts
+++ b/engine/components/Velocity.ts
@@ -6,10 +6,18 @@ export class Velocity extends Component {
   public dCartesian: Velocity2D;
   public dTheta: number;
 
-  constructor(dCartesian: Velocity2D, dTheta: number) {
+  constructor(dCartesian: Velocity2D = { dx: 0, dy: 0 }, dTheta: number = 0) {
     super(ComponentNames.Velocity);
 
     this.dCartesian = dCartesian;
     this.dTheta = dTheta;
   }
+
+  public add(velocity?: Velocity) {
+    if (velocity) {
+      this.dCartesian.dx += velocity.dCartesian.dx;
+      this.dCartesian.dy += velocity.dCartesian.dy;
+      this.dTheta += velocity.dTheta;
+    }
+  }
 }
-- 
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