From cc0fb8a7fd819927572eff54481a2e73f52c5282 Mon Sep 17 00:00:00 2001
From: David Miles <quantumdave@gmail.com>
Date: Sun, 2 Sep 2018 07:09:26 +0100
Subject: [PATCH] Add a home screen with spinning squares

---
 square_home/main.py | 96 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 square_home/main.py

diff --git a/square_home/main.py b/square_home/main.py
new file mode 100644
index 0000000..0a50b29
--- /dev/null
+++ b/square_home/main.py
@@ -0,0 +1,96 @@
+"""A home screen with squares that spin"""
+
+___name___         = "Squares home"
+___license___      = "MIT"
+___dependencies___ = ["sleep", "app", "ugfx_helper", "buttons", "homescreen"]
+___categories___   = ["Homescreens"]
+
+import ugfx, os, time, sleep, ugfx_helper, math
+from tilda import Buttons
+from homescreen import *
+
+width = 240
+height = 320
+ugfx_helper.init()
+
+s = ugfx.Style()
+s.set_background(ugfx.BLACK)
+s.set_enabled([ugfx.WHITE, ugfx.html_color(0x800080), ugfx.html_color(0x800080), ugfx.html_color(0x800080)])
+ugfx.set_default_style(s)
+
+# This was taken from the stock home app
+def draw_name():
+    intro_text = "Hi! I'm"
+    intro_height = 30
+    name_height = 60
+    max_name = 8
+
+    ugfx.orientation(90)
+    ugfx.set_default_font(ugfx.FONT_TITLE)
+    # Process name
+    name_setting = name("Set your name in the settings app")
+    if len(name_setting) <= max_name:
+        ugfx.set_default_font(ugfx.FONT_NAME)
+    else:
+        ugfx.set_default_font(ugfx.FONT_MEDIUM_BOLD)
+    
+    ugfx.Label(0, ugfx.height() - name_height - intro_height, ugfx.width(), intro_height, intro_text, justification=ugfx.Label.CENTER)
+    ugfx.Label(0, ugfx.height() - name_height, ugfx.width(), name_height, name_setting, justification=ugfx.Label.CENTER)
+
+    ugfx.orientation(270)
+
+def go():
+    ugfx.clear(ugfx.BLACK)
+    draw_name()
+
+    colors = [ugfx.WHITE, ugfx.GREEN, ugfx.YELLOW, ugfx.BLUE]
+
+    ci = 0
+    r = 70
+    dr = 2
+    d = 0.0
+    dd = 0.1
+    
+    hOffset = 40
+
+    while True:
+        if (math.fabs(d) > 4):
+            ugfx.clear(ugfx.BLACK)
+            draw_name()
+
+            dd = -dd
+            d = 0
+            ci += 1
+
+            if (ci >= len(colors)):
+                ci = 0
+
+        px1 = math.floor(width / 2 +  r * math.sin(d))
+        py1 = math.floor(height / 2 +  r * math.cos(d) + hOffset)
+
+        px2 = math.floor(width / 2 + r * math.sin(d + math.pi / 2))
+        py2 = math.floor(height / 2 + r * math.cos(d + math.pi / 2)  + hOffset)
+
+        px3 = math.floor(width / 2 + r * math.sin(d + math.pi))
+        py3 = math.floor(height / 2 + r * math.cos(d + math.pi)  + hOffset)
+
+        px4 = math.floor(width / 2 + r * math.sin(d + (math.pi * 1.5)))
+        py4 = math.floor(height / 2 + r * math.cos(d + (math.pi * 1.5))  + hOffset)
+
+        ugfx.line(px1, py1, px2, py2, colors[ci])
+        ugfx.line(px3, py3, px2, py2, colors[ci])
+        ugfx.line(px3, py3, px4, py4, colors[ci])
+        ugfx.line(px1, py1, px4, py4, colors[ci])
+
+        d += dd
+        r += dr
+
+        if (r > 100):
+            dr = -dr
+
+        if (r < 30):
+            dr = -dr
+
+        sleep_or_exit(0.1)
+    
+go()