From d740dec08e5fffa03e725eb644a58ad1ee740eb6 Mon Sep 17 00:00:00 2001
From: Ian Jauslin <ian@jauslin.org>
Date: Wed, 1 Dec 2021 18:54:37 -0500
Subject: [PATCH] erase particles

---
 painter.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/painter.py b/painter.py
index d54b314..d8deb76 100644
--- a/painter.py
+++ b/painter.py
@@ -86,6 +86,12 @@ class Painter(Widget):
                 if not 's' in self.modifiers:
                     self.modifiers.append('s')
                     self.modifiers.sort()
+            # remove particles
+            elif keycode[1]=="backspace":
+                for particle in self.selected:
+                    self.particles=remove_fromlist(self.particles,particle)
+                self.selected=[]
+                self.draw()
 
     def on_key_up(self, keyboard, keycode):
         if keycode[1]=="shift":