From 9c7b91000fafcfb09e70a52da250d1bd82b6fea3 Mon Sep 17 00:00:00 2001
From: Andras Schmelczer <andras@schmelczer.dev>
Date: Mon, 1 May 2023 13:40:39 +0100
Subject: [PATCH] Fix brush

---
 src/game-loop/game-loop.ts            | 4 ++++
 src/pipelines/brush/brush-pipeline.ts | 6 +++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/game-loop/game-loop.ts b/src/game-loop/game-loop.ts
index 8763c1e..543786e 100644
--- a/src/game-loop/game-loop.ts
+++ b/src/game-loop/game-loop.ts
@@ -150,6 +150,10 @@ export default class GameLoop {
 
     this.device.queue.submit([commandEncoder.finish()]);
 
+    if (!this.isSwipeActive) {
+      this.brushPipeline.clearSwipes();
+    }
+
     if (settings.simulatedDelayMs > 0) {
       await sleep(settings.simulatedDelayMs);
     }
diff --git a/src/pipelines/brush/brush-pipeline.ts b/src/pipelines/brush/brush-pipeline.ts
index 9af60ab..8828bf0 100644
--- a/src/pipelines/brush/brush-pipeline.ts
+++ b/src/pipelines/brush/brush-pipeline.ts
@@ -126,12 +126,12 @@ export class BrushPipeline {
       new Float32Array([brushWidth / 2, brushWidthRandomness])
     );
 
-    if (this.linePoints.length === 0) {
+    this.actualPoints = this.linePoints.slice();
+
+    if (this.actualPoints.length === 0) {
       return;
     }
 
-    this.actualPoints = this.linePoints.slice();
-
     if (this.linePoints.length === 1) {
       this.actualPoints.push(this.linePoints[0]); // allow single point swipes
     }