From 95afbf9bd3386a65449a82cf65f4cf8108af3ff5 Mon Sep 17 00:00:00 2001
From: Emma <emma@cyborggrizzly.com>
Date: Wed, 25 Oct 2023 17:40:39 -0600
Subject: [PATCH] drawWithAlpha

---
 canvas.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/canvas.ts b/canvas.ts
index 968b08e..59ffb58 100644
--- a/canvas.ts
+++ b/canvas.ts
@@ -199,6 +199,13 @@ export class Doodler {
     this.ctx.restore();
   }
 
+  drawWithAlpha(alpha: number, cb: () => void) {
+    this.ctx.save();
+    this.ctx.globalAlpha = Math.min(Math.max(alpha, 0), 1);
+    cb();
+    this.ctx.restore();
+  }
+
   drawImage(img: HTMLImageElement, at: Vector): void;
   drawImage(img: HTMLImageElement, at: Vector, w: number, h: number): void;
   drawImage(img: HTMLImageElement, at: Vector, w?: number, h?: number) {