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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
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