From e70a7c5e85dd944282da867fcda9f4119f74d583 Mon Sep 17 00:00:00 2001
From: Fen Dweller <chemicalcrux@gmail.com>
Date: Sat, 20 Jun 2020 11:19:44 -0400
Subject: [PATCH] Make sure the edge is sharp at 0 smoothness

---
 xray.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/xray.js b/xray.js
index 3494736..683a345 100644
--- a/xray.js
+++ b/xray.js
@@ -417,12 +417,16 @@ function updateOverlay(points, clicked) {
         
             const gradient = overlayCtx.createRadialGradient(x, y, 0, x, y, Math.floor(radius * scale));
 
-            const maxOpacity = ease(0, 1 / (0.001 + softness / 100));
+            const maxOpacity = ease(0, 1 / (0.00001 + softness / 100));
             
-            for (let t=0 ; t <= 20; t+= 1) {
-                let eased = ease(t/20.0, 1 / (0.001 + softness / 100)) / maxOpacity;
-                gradient.addColorStop(t/20.0, `rgba(0, 0, 0, ${eased}`);
+            const steps = 20;
+            for (let t=0 ; t <= steps; t+= 1) {
+                let eased = ease(t/steps, 1 / (0.00001 + softness / 100)) / maxOpacity;
+                gradient.addColorStop(t/steps, `rgba(0, 0, 0, ${eased}`);
             }
+
+            let eased = ease(0.999, 1 / (0.00001 + softness / 100)) / maxOpacity;
+            gradient.addColorStop(0.999, `rgba(0, 0, 0, ${eased}`);
             overlayCtx.fillStyle = gradient;
         
             overlayCtx.fill();