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Merge pull request #77 from viknet365/master

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add meteor effect
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Aircoookie 2018-11-23 00:21:07 +01:00 committed by GitHub
commit f9b44381bd
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2 changed files with 33 additions and 1 deletions
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28
wled00/WS2812FX.cpp
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@ -2546,3 +2546,31 @@ uint16_t WS2812FX::mode_lake() {
} }
return 33; return 33;
} }
// meteor effect
// send a meteor from begining to to the end of the strip with a trail that randomly decay.
// adapted from https://www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects/#LEDStripEffectMeteorRain
uint16_t WS2812FX::mode_meteor() {
byte meteorSize=1+(256-SEGMENT.intensity)/16;
uint32_t led_offset = SEGMENT_RUNTIME.counter_mode_step;
uint16_t i = SEGMENT.start + led_offset;
byte meteorTrailDecay=SEGMENT.intensity;
// fade all leds to colors[1] in LEDs one step
for (uint16_t i = SEGMENT.start; i <= SEGMENT.stop; i++) {
if (random(10)>5) {
setPixelColor(i,color_blend(getPixelColor(i),SEGMENT.colors[1],meteorTrailDecay));
}
}
// draw meteor
for(int j = 0; j < meteorSize; j++) {
if( ( SEGMENT.start + j < SEGMENT.stop) ) {
setPixelColor(i+j, SEGMENT.colors[0]);
}
}
SEGMENT_RUNTIME.counter_mode_step = (SEGMENT_RUNTIME.counter_mode_step + 1) % (SEGMENT_LENGTH);
return SPEED_FORMULA_L;
}

6
wled00/WS2812FX.h
View File

@ -85,7 +85,7 @@
#define REVERSE (uint8_t)0x80 #define REVERSE (uint8_t)0x80
#define IS_REVERSE ((SEGMENT.options & REVERSE) == REVERSE) #define IS_REVERSE ((SEGMENT.options & REVERSE) == REVERSE)
#define MODE_COUNT 76 #define MODE_COUNT 77
#define FX_MODE_STATIC 0 #define FX_MODE_STATIC 0
#define FX_MODE_BLINK 1 #define FX_MODE_BLINK 1
@ -164,6 +164,8 @@
#define FX_MODE_NOISE16_4 73 #define FX_MODE_NOISE16_4 73
#define FX_MODE_COLORTWINKLE 74 #define FX_MODE_COLORTWINKLE 74
#define FX_MODE_LAKE 75 #define FX_MODE_LAKE 75
#define FX_MODE_METEOR 76
class WS2812FX { class WS2812FX {
typedef uint16_t (WS2812FX::*mode_ptr)(void); typedef uint16_t (WS2812FX::*mode_ptr)(void);
@ -268,6 +270,7 @@ class WS2812FX {
_mode[FX_MODE_NOISE16_4] = &WS2812FX::mode_noise16_4; _mode[FX_MODE_NOISE16_4] = &WS2812FX::mode_noise16_4;
_mode[FX_MODE_COLORTWINKLE] = &WS2812FX::mode_colortwinkle; _mode[FX_MODE_COLORTWINKLE] = &WS2812FX::mode_colortwinkle;
_mode[FX_MODE_LAKE] = &WS2812FX::mode_lake; _mode[FX_MODE_LAKE] = &WS2812FX::mode_lake;
_mode[FX_MODE_METEOR] = &WS2812FX::mode_meteor;
_brightness = DEFAULT_BRIGHTNESS; _brightness = DEFAULT_BRIGHTNESS;
_running = false; _running = false;
@ -443,6 +446,7 @@ class WS2812FX {
mode_noise16_4(void), mode_noise16_4(void),
mode_colortwinkle(void), mode_colortwinkle(void),
mode_lake(void), mode_lake(void),
mode_meteor(void),
mode_lightning(void); mode_lightning(void);
private: private: