Make AuroraDemo great again.

And test out ChatGPT's attempt to create some effects as well.

1 files changed, 120 insertions, 0 deletions

diff --git a/examples/AuroraDemo/PatternSpiro.hpp b/examples/AuroraDemo/PatternSpiro.hpp
new file mode 100644
index 0000000..8ca3598
--- /dev/null
+++ b/examples/AuroraDemo/PatternSpiro.hpp
@@ -0,0 +1,120 @@
+/*
+ * Aurora: https://github.com/pixelmatix/aurora
+ * Copyright (c) 2014 Jason Coon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef PatternSpiro_H
+
+class PatternSpiro : public Drawable {
+  private:
+    byte theta1 = 0;
+    byte theta2 = 0;
+    byte hueoffset = 0;
+
+    uint8_t radiusx = VPANEL_W / 4;
+    uint8_t radiusy = VPANEL_H / 4;
+    uint8_t minx = effects.getCenterX() - radiusx;
+    uint8_t maxx = effects.getCenterX() + radiusx + 1;
+    uint8_t miny = effects.getCenterY() - radiusy;
+    uint8_t maxy = effects.getCenterY() + radiusy + 1;
+
+    uint8_t spirocount = 64;
+    uint8_t spirooffset = 256 / spirocount;
+    boolean spiroincrement = true;
+
+    boolean handledChange = false;
+
+    unsigned long last_update_theta1_ms = 0;
+    unsigned long last_update_hue_ms = 0;    
+    unsigned long last_update_frame_ms = 0;
+
+  public:
+    PatternSpiro() {
+      name = (char *)"Spiro";
+    }
+
+    void start(){
+      effects.ClearFrame();
+    };
+
+    unsigned int drawFrame() {
+      blur2d(effects.leds, VPANEL_W > 255 ? 255 : VPANEL_W, VPANEL_H > 255 ? 255 : VPANEL_H, 64);
+
+      boolean change = false;
+      
+      for (int i = 0; i < spirocount; i++) {
+        uint8_t x = effects.mapsin8(theta1 + i * spirooffset, minx, maxx);
+        uint8_t y = effects.mapcos8(theta1 + i * spirooffset, miny, maxy);
+
+        uint8_t x2 = effects.mapsin8(theta2 + i * spirooffset, x - radiusx, x + radiusx);
+        uint8_t y2 = effects.mapcos8(theta2 + i * spirooffset, y - radiusy, y + radiusy);
+
+        CRGB color = effects.ColorFromCurrentPalette(hueoffset + i * spirooffset, 128);
+        effects.leds[XY16(x2, y2)] += color;
+        
+        if((x2 == effects.getCenterX() && y2 == effects.getCenterY()) ||
+           (x2 == effects.getCenterX() && y2 == effects.getCenterY())) change = true;
+      }
+
+      theta2 += 1;
+
+      if (millis() - last_update_theta1_ms > 25) {
+        last_update_theta1_ms = millis();
+        theta1 += 1;
+      }
+
+      if (millis() - last_update_frame_ms > 100) {
+        last_update_frame_ms = millis();
+        
+        if (change && !handledChange) {
+          handledChange = true;
+          
+          if (spirocount >= VPANEL_W || spirocount == 1) spiroincrement = !spiroincrement;
+
+          if (spiroincrement) {
+            if(spirocount >= 4)
+              spirocount *= 2;
+            else
+              spirocount += 1;
+          }
+          else {
+            if(spirocount > 4)
+              spirocount /= 2;
+            else
+              spirocount -= 1;
+          }
+
+          spirooffset = 256 / spirocount;
+        }
+        
+        if(!change) handledChange = false;
+      }
+
+      if (millis() - last_update_hue_ms > 33) {
+        last_update_hue_ms = millis();
+        hueoffset += 1;
+      }
+
+      effects.ShowFrame();
+      return 0;
+    }
+};
+
+#endif