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ws2812-achterbahn
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start adding shootingstar effect

This commit is contained in:
interfisch 2021-10-16 12:04:37 +02:00
parent c05133d8f8
commit 1a938f1e30
4 changed files with 42 additions and 24 deletions
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31
src/fx_shootingstar.cpp
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@ -7,8 +7,26 @@ FX_ShootingStar::FX_ShootingStar(int numpixels,Adafruit_NeoPixel *strip,uint8_t
_strip=strip;
_starttime=millis();
_brightness=0;
_flashtime=random(200,3000);
_duration=random(200,3000);
_height=height;
//find a random pixel
_vel=0;
while (_vel==0)
{
_pos=random(10,numpixels-10); //start with random position
int _postest=0;
while(_vel<=0 && _postest<10) {
_postest++;
_vel = _height[_pos] - _height[_pos+_postest]; //height difference
}
_postest=0;
while(_vel<=0 && _postest>-10) {
_postest--;
_vel = _height[_pos] - _height[_pos+_postest]; //height difference
}
}
}
FX_ShootingStar::FX_ShootingStar()
@ -17,13 +35,7 @@ FX_ShootingStar::FX_ShootingStar()
void FX_ShootingStar::updateRoutine(float updatedelayms)
{
float negativelikelihood=pow(( (millis()-_starttime)*1.0/_flashtime ),2); // 0=most likely, 1=unlikely
_brightness*=0.2;
if (random(0,negativelikelihood*20)==0){
_brightness=random(100,255);
}
//_brightness=(1.0-pow((255-_brightness)/255.0,4))*255.0;
}
void FX_ShootingStar::updateGraphics()
@ -66,9 +78,10 @@ void FX_ShootingStar::updateGraphics()
bool FX_ShootingStar::active()
{
/*
if (millis()-_starttime>_flashtime){
return false;
}
}*/
return true;
}

4
src/fx_shootingstar.h
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@ -18,8 +18,10 @@ class FX_ShootingStar : public Effect
Adafruit_NeoPixel *_strip;
long _starttime;
uint8_t _brightness;
long _flashtime;
long _duration;
uint8_t *_height;
int _pos;
float _vel;
};
#endif

28
src/main.cpp
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@ -15,7 +15,7 @@
#include "effect.h"
#include "fx_scanner.h"
#include "fx_flash.h"
#include "fx_stars.h"
//#include "fx_shootingstar.h"
void resetHeightmap();
@ -46,17 +46,18 @@ long lastRoutineUpdate=0;
#define ROUTINEUPDATETIME 20
long lastCheckspawn=0;
#define CHECKSPAWNDELAY 2000 //delay in ms to check random spawn
#define SPAWNCHANCE 40 //1 out of x times wagon will spawn
#define SPAWNCHANCE 20 //1 out of x times wagon will spawn
#define SPAWNCHANCEDOUBLE 5 //change of spawning a two trains simultaneously
long lastCheckspawnEffect=0;
#define CHECKSPAWNDELAY_EFFECT 10000 //delay in ms to check random effect
#define CHECKSPAWNDELAY_EFFECT 5000 //delay in ms to check random effect
#define SPAWNCHANCE_EFFECT_SCANNER 1000 //1 out of x times spawn effect
#define SPAWNCHANCE_EFFECT_FLASH 4000 //1 out of x times spawn effect
#define SPAWNCHANCE_EFFECT_STARS 100 //1 out of x times spawn effect
#define SPAWNCHANCE_EFFECT_FLASH 1000 //1 out of x times spawn effect
#define SPAWNCHANCE_EFFECT_SHOOTINGSTAR 100 //1 out of x times spawn effect
#define BRIGHTNESS_RUN 200 //max brightness
#define BRIGHTNESS_RUN_MIN 20
//#define BRIGHTNESS_RUN_MIN 20
#define BRIGHTNESS_RUN_MIN 200
#define BRIGHTNESS_DEBUG 150
#define LDR_MIN 700
@ -103,6 +104,7 @@ void setup() {
#endif
EEPROM.begin(4096); //set eeprom size, between 4 and 4096 bytes.
strip.begin();
strip.setBrightness(BRIGHTNESS_RUN); //150
@ -275,7 +277,7 @@ void spawnWagon(){
side_startpos=NUMPIXELS+_randomlength;
side_multi=-1;
Wagon tmpr = Wagon(maxid++,NUMPIXELS,&strip, height, side_startpos, _randomlength, side_multi*random(map(_randomlength,3,20,5,10), map(_randomlength,3,20, 5,40))/10.0 , 0 , 5.0 , Wheel((uint8_t)random(0,255))); //spawn new wagon
Wagon tmpr = Wagon(maxid++,NUMPIXELS,&strip, height, side_startpos, _randomlength, side_multi*random(map(_randomlength,3,20,0,10)/10.0, map(_randomlength,3,20, 5,40))/10.0 , 0 , random(3.0,7.0) , Wheel((uint8_t)random(0,255))); //spawn new wagon
@ -462,10 +464,10 @@ void checkSerial(){
}else if (serialstring.equals("fx_flash")){
Serial.println("Effect Flash");
effect=new FX_Flash(NUMPIXELS,&strip,height,strip.Color(200,200,200));
}else if (serialstring.equals("fx_stars")){
Serial.println("Effect Stars");
effect=new FX_Stars(NUMPIXELS,&strip,height);
}
}/*else if (serialstring.equals("fx_shootingstar")){
Serial.println("Effect Shooting Star");
effect=new FX_ShootingStar(NUMPIXELS,&strip,height);
}*/
}
}
@ -621,8 +623,8 @@ void loop_achterbahn(){
effect=new FX_Scanner(NUMPIXELS,&strip,height,255,-200,strip.Color(100,0,0));
}else if (random(0,SPAWNCHANCE_EFFECT_FLASH)==0){
effect=new FX_Flash(NUMPIXELS,&strip,height,strip.Color(200,200,200));
}/*else if (random(0,SPAWNCHANCE_EFFECT_STARS)==0){
effect=new FX_Stars(NUMPIXELS,&strip,height);
}/*else if (random(0,SPAWNCHANCE_EFFECT_SHOOTINGSTAR)==0){
effect=new FX_ShootingStar(NUMPIXELS,&strip,height);
}*/
}

3
src/wagon.cpp
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@ -81,7 +81,8 @@ void Wagon::updatePhysics(float updatedelayms)
#define CONST_G 9.81
#define PIXELDISTANCE 1.6666667 // 1/60.0 * 100
#define C_ROLL 0.001 // = Croll https://de.wikipedia.org/wiki/Rollwiderstand 0.001 (zug)
#define AIRRESFIRST 0.018 //C_w*A*0.5*rho Air resistance: C_w * A * 0.5 * rho (.... *v^2) 0.18
//#define AIRRESFIRST 0.018 //C_w*A*0.5*rho Air resistance: C_w * A * 0.5 * rho (.... *v^2) 0.18
#define AIRRESFIRST 0.05 //C_w*A*0.5*rho Air resistance: C_w * A * 0.5 * rho (.... *v^2) 0.18 test
#define AIRRES 0.001 //for slipstream at second wagon
#define AIRRESMUL 0.2 //how much of air resistance the next wagon has
//http://www.kfz-tech.de/Biblio/Formelsammlung/Luftwiderstand.htm C_w 0.6