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fire animation added

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0x1d
2018-10-29 21:00:27 +01:00
parent 7fa3683ca6
commit d4d40428cc
2 changed files with 93 additions and 11 deletions
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4
data/www/index.html
View File

@@ -2,7 +2,7 @@
<html>
<head>
<title>IlluCat</title>
<title>ESP Kit</title>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="icon" type="image/png" href="/favicon-32x32.png">
@@ -39,7 +39,7 @@
data-name="pattern"
data-topic="pixels/pattern"
data-default="0"
data-entries='[{"text": "None", "value": "0"}, {"text": "Rainbow", "value": "1"}, {"text": "TheaterChase", "value": "2"}, {"text": "Color Wipe", "value": "3"}, {"text": "Scanner", "value": "4"}, {"text": "Fade", "value": "5"}]'
data-entries='[{"text": "None", "value": "0"}, {"text": "Rainbow", "value": "1"}, {"text": "TheaterChase", "value": "2"}, {"text": "Color Wipe", "value": "3"}, {"text": "Scanner", "value": "4"}, {"text": "Fade", "value": "5"}, {"text": "Fire", "value": "6"}]'
></li>
<li class="form-row ParamSlider"
data-name="brightness"

100
lib/NeoPattern/NeoPattern.cpp
View File

@@ -26,7 +26,8 @@ enum pattern
THEATER_CHASE = 2,
COLOR_WIPE = 3,
SCANNER = 4,
FADE = 5
FADE = 5,
FIRE = 6
};
// Patern directions supported:
enum direction
@@ -62,7 +63,7 @@ class NeoPattern : public Adafruit_NeoPixel
NeoPattern(uint16_t pixels, uint8_t pin, uint8_t type, void (*callback)(int))
: Adafruit_NeoPixel(pixels, pin, type)
{
frameBuffer = (uint8_t*)malloc(768);
frameBuffer = (uint8_t *)malloc(768);
OnComplete = callback;
TotalSteps = numPixels();
}
@@ -70,7 +71,7 @@ class NeoPattern : public Adafruit_NeoPixel
NeoPattern(uint16_t pixels, uint8_t pin, uint8_t type)
: Adafruit_NeoPixel(pixels, pin, type)
{
frameBuffer = (uint8_t*)malloc(768);
frameBuffer = (uint8_t *)malloc(768);
TotalSteps = numPixels();
}
@@ -81,12 +82,14 @@ class NeoPattern : public Adafruit_NeoPixel
memcpy(frameBuffer, data, len);
}
void drawFrameBuffer(int w, uint8_t *frame, int length){
for (int i = 0; i < length; i++){
void drawFrameBuffer(int w, uint8_t *frame, int length)
{
for (int i = 0; i < length; i++)
{
uint8_t r = frame[i];
uint8_t g = frame[++i];
uint8_t b = frame[++i];
setPixelColor(i, r ,g, b);
uint8_t g = frame[i + 1];
uint8_t b = frame[i + 2];
setPixelColor(i, r, g, b);
}
}
@@ -122,8 +125,12 @@ class NeoPattern : public Adafruit_NeoPixel
case FADE:
FadeUpdate();
break;
case FIRE:
Fire(50, 120);
break;
default:
if(bufferSize > 0){
if (bufferSize > 0)
{
drawFrameBuffer(TotalSteps, frameBuffer, bufferSize);
}
break;
@@ -379,6 +386,81 @@ class NeoPattern : public Adafruit_NeoPixel
return Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}
}
void Fire(int Cooling, int Sparking)
{
byte heat[numPixels()];
int cooldown;
// Step 1. Cool down every cell a little
for (int i = 0; i < numPixels(); i++)
{
cooldown = random(0, ((Cooling * 10) / numPixels()) + 2);
if (cooldown > heat[i])
{
heat[i] = 0;
}
else
{
heat[i] = heat[i] - cooldown;
}
}
// Step 2. Heat from each cell drifts 'up' and diffuses a little
for (int k = numPixels() - 1; k >= 2; k--)
{
heat[k] = (heat[k - 1] + heat[k - 2] + heat[k - 2]) / 3;
}
// Step 3. Randomly ignite new 'sparks' near the bottom
if (random(255) < Sparking)
{
int y = random(7);
heat[y] = heat[y] + random(160, 255);
//heat[y] = random(160,255);
}
// Step 4. Convert heat to LED colors
for (int j = 0; j < numPixels(); j++)
{
setPixelHeatColor(j, heat[j]);
}
showStrip();
}
void setPixelHeatColor(int Pixel, byte temperature)
{
// Scale 'heat' down from 0-255 to 0-191
byte t192 = round((temperature / 255.0) * 191);
// calculate ramp up from
byte heatramp = t192 & 0x3F; // 0..63
heatramp <<= 2; // scale up to 0..252
// figure out which third of the spectrum we're in:
if (t192 > 0x80)
{ // hottest
setPixel(Pixel, 255, 255, heatramp);
}
else if (t192 > 0x40)
{ // middle
setPixel(Pixel, 255, heatramp, 0);
}
else
{ // coolest
setPixel(Pixel, heatramp, 0, 0);
}
}
void setPixel(int Pixel, byte red, byte green, byte blue)
{
setPixelColor(Pixel, Color(red, green, blue));
}
void showStrip()
{
show();
}
};
#endif