Kosso: Updated Aurora demo for chained virtual displays. Added a better Fire demo. Removed some old Aurora demos which just didn't work and saves some memory.

1 files changed, 121 insertions, 0 deletions

diff --git a/examples/ChainedPanelsAuroraDemo/PatternFire.h b/examples/ChainedPanelsAuroraDemo/PatternFire.h
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+++ b/examples/ChainedPanelsAuroraDemo/PatternFire.h
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+/*
+   Aurora: https://github.com/pixelmatix/aurora
+   Copyright (c) 2014 Jason Coon
+
+   Portions of this code are adapted from FastLED Fire2012 example by Mark Kriegsman: https://github.com/FastLED/FastLED/tree/master/examples/Fire2012WithPalette
+   Copyright (c) 2013 FastLED
+
+   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.
+*/
+
+// Note: (Kosso) : Doesn't look good with certain palettes.
+
+#ifndef PatternFire_H
+#define PatternFire_H
+
+#ifndef Effects_H
+#include "Effects.h"
+#endif
+
+class PatternFire : public Drawable {
+  private:
+
+  public:
+    PatternFire() {
+      name = (char *)"Fire";
+    }
+
+    // There are two main parameters you can play with to control the look and
+    // feel of your fire: COOLING (used in step 1 above), and SPARKING (used
+    // in step 3 above).
+    //
+    // cooling: How much does the air cool as it rises?
+    // Less cooling = taller flames.  More cooling = shorter flames.
+    // Default 55, suggested range 20-100
+    int cooling = 100;
+
+    // sparking: What chance (out of 255) is there that a new spark will be lit?
+    // Higher chance = more roaring fire.  Lower chance = more flickery fire.
+    // Default 120, suggested range 50-200.
+    unsigned int sparking = 100;
+
+    unsigned int drawFrame() {
+      // Add entropy to random number generator; we use a lot of it.
+      random16_add_entropy( random16());
+
+      effects.DimAll(235);
+
+      for (int x = 0; x < VPANEL_W; x++) {
+        // Step 1.  Cool down every cell a little
+        for (int y = 0; y < VPANEL_H; y++) {
+          int xy = XY(x, y);
+          heat[xy] = qsub8(heat[xy], random8(0, ((cooling * 10) / VPANEL_H) + 2));
+        }
+
+        // Step 2.  Heat from each cell drifts 'up' and diffuses a little
+        for (int y = 0; y < VPANEL_H; y++) {
+          heat[XY(x, y)] = (heat[XY(x, y + 1)] + heat[XY(x, y + 2)] + heat[XY(x, y + 2)]) / 3;
+        }
+
+        // Step 2.  Randomly ignite new 'sparks' of heat
+        if (random8() < sparking) {
+          // int x = (p[0] + p[1] + p[2]) / 3;
+
+          int xy = XY(x, VPANEL_H - 1);
+          heat[xy] = qadd8(heat[xy], random8(160, 255));
+        }
+
+        // Step 4.  Map from heat cells to LED colors
+        for (int y = 0; y < VPANEL_H; y++) {
+          int xy = XY(x, y);
+          byte colorIndex = heat[xy];
+
+          // Recommend that you use values 0-240 rather than
+          // the usual 0-255, as the last 15 colors will be
+          // 'wrapping around' from the hot end to the cold end,
+          // which looks wrong.
+          colorIndex = scale8(colorIndex, 200);
+
+          // override color 0 to ensure a black background?
+          //if (colorIndex != 0) {
+          //  effects.leds[xy] = CRGB::Black;
+          //}
+          //else {
+            effects.leds[xy] = effects.ColorFromCurrentPalette(colorIndex);
+          //}
+        }
+      }
+
+      // Noise
+      noise_x += 1000;
+      noise_y += 1000;
+      noise_z += 1000;
+      noise_scale_x = 4000;
+      noise_scale_y = 4000;
+      effects.FillNoise();
+
+      // effects.MoveX(2);
+      effects.MoveFractionalNoiseX(2);
+
+      effects.ShowFrame();
+
+      return 15;
+    }
+};
+
+#endif