improve random spawning

achterbahn.ino

@@ -15,6 +15,10 @@ long lastPixelUpdate=0;
 #define PIXELUPDATETIME 20
 long lastRoutineUpdate=0;
 #define ROUTINEUPDATETIME 20
+long lastCheckspawn=0;
+#define CHECKSPAWNDELAY 4000 //delay in ms to check random spawn
+#define SPAWNCHANCE 30 //1 out of x times wagon will spawn
+#define SPAWNCHANCEDOUBLE 5 //change of spawning a two trains simultaneously
 
 long loopmillis=0;
 
@@ -25,9 +29,15 @@ uint8_t heightraw[NUMPIXELS]; //uninterpolated values
 std::vector <Wagon> wagon_arr;
 uint8_t maxid=0;
 
-bool configmode=true;
+bool configmode=false;
 int selectedpixel=-1; //-1 = none
 
+uint8_t wagoncount=0;
+
+
+//define config
+//#define RESPAWNWAGON
+#define MAXWAGONS 5 //maximum number of wagons
 
 
 void setup() {
@@ -40,27 +50,33 @@ void setup() {
 
   resetHeightmap();
   
-  //Temporaer
+  //fixed heightmap
-  /*height[0]=46;
+  heightraw[0]=254;
-  height[28]=46;
+  heightraw[43]=254;
-  height[60]=3;
+  heightraw[69]=200;
-  height[63]=3;
+  heightraw[95]=149;
-  height[70]=4;
+  heightraw[114]=132;
-  height[100]=0;
+  heightraw[137]=128;
-  height[122]=0;
+  heightraw[195]=128;
-  height[137]=12;
+  heightraw[226]=150;
-  height[138]=12;
+  heightraw[276]=139;
-  height[152]=0;
+  heightraw[303]=150;
-  height[183]=0;
+  heightraw[337]=131;
-  height[200]=21;
+  heightraw[354]=129;
-  height[209]=26;
+  heightraw[368]=131;
-  height[225]=26;
+  heightraw[405]=172;
-  height[233]=23;
+  heightraw[419]=147;
-  height[240]=23;
+  heightraw[435]=117;
-  height[250]=21;
+  heightraw[446]=105;
-  height[255]=20;
+  heightraw[458]=96;
-  height[274]=46;
+  heightraw[472]=77;
-  height[NUMPIXELS-1]=46;*/
+  heightraw[503]=35;
+  heightraw[523]=0;
+  heightraw[554]=0;
+  heightraw[562]=8;
+  heightraw[577]=34;
+  heightraw[599]=67;
+
 
 
   interpolateHeightValues();
@@ -79,7 +95,7 @@ void setup() {
 
   //previewHeightmap(2000);
 
-  spawnWagon();
+  //spawnWagon();
   //spawnWagon();
 
 }
@@ -92,6 +108,19 @@ void resetHeightmap(){
   heightraw[NUMPIXELS-1]=0;
 }
 
+void printHeightmapRaw() {
+  Serial.println();
+  for (int i=0;i<NUMPIXELS;i++){
+    if (heightraw[i]!=255){
+      Serial.print("heightraw[");
+      Serial.print(i);
+      Serial.print("]=");
+      Serial.print(heightraw[i]);
+      Serial.println(";");
+    }
+  }
+}
+
 void interpolateHeightValues(){
   for (int i=0;i<NUMPIXELS;i++){ //copy heightraw to height
     height[i]=heightraw[i];
@@ -174,7 +203,8 @@ void previewHeightmap(int waittime){
 void spawnWagon(){
   //Wagon tmpr = Wagon(maxid++,NUMPIXELS,&strip, height, 35, 6, 0.5,0); //spawn new wagon
   //                                                      pos,      wagonlength,      startvel,           startacc,      trainmass,      wagoncolor
-  Wagon tmpr = Wagon(maxid++,NUMPIXELS,&strip, height, random(0, 20), random(3,20), random(0.2, 50)/10.0, 0           , random(5,100) , Wheel(random(0,255))); //spawn new wagon
+  //Wagon tmpr = Wagon(maxid++,NUMPIXELS,&strip, height, random(0, 20), random(3,20), random(0.2, 50)/10.0, 0           , random(5,100) , Wheel(random(0,256))); //spawn new wagon
+  Wagon tmpr = Wagon(maxid++,NUMPIXELS,&strip, height, random(0, 20), random(3,40), random(1, 70)/10.0, 0           , random(50,200) , Wheel(random(0,256))); //spawn new wagon
   
   wagon_arr.push_back(tmpr);
   Serial.println("Spawned Wagon");
@@ -223,10 +253,14 @@ void checkSerial(){
   if (serialstring.length()>0) {
     Serial.println("String:"+serialstring);
 
+    
+
     if (serialstring.equals("run")){
       configmode=false;
     }else if (serialstring.equals("debug")){
       configmode=true;
+    }else if (serialstring.equals("print")){
+      printHeightmapRaw();
     }else if (serialstring.equals("remove")){
       removeAllWagons();
     }else if (serialstring.equals("clear")){
@@ -321,10 +355,10 @@ void loop_configmode(){
     
     previewHeightmap(0);
 
-    if (selectedpixel>0){
+    if (selectedpixel>=0){
       uint32_t c=strip.Color(255,255,255);
       strip.setPixelColor(selectedpixel,c);
-      if (selectedpixel>1){
+      if (selectedpixel>=1){
         uint32_t c=strip.Color(0,0,0);
         strip.setPixelColor(selectedpixel-1,c);
       }
@@ -364,20 +398,45 @@ void loop_achterbahn(){
   if (lastRoutineUpdate+ROUTINEUPDATETIME<loopmillis){
     lastRoutineUpdate=loopmillis;
 
+    wagoncount=0;
     for (std::vector<Wagon>::iterator it = wagon_arr.begin(); it != wagon_arr.end(); ++it) //all wagons
     {
+      
       Wagon & w = *it;
       w.updatePhysics(ROUTINEUPDATETIME);
       if (!w.alive())
       {
         it = wagon_arr.erase(it); // After erasing, it is now pointing the next element.
         --it;
-        spawnWagon(); //spawn new one
+        #ifdef RESPAWNWAGON
+          spawnWagon(); //spawn new one
+        #endif
+      }else{ //wagon is alive
+        wagoncount++;
       }
     }
   }
 
 
+  //Check spawning
+  
+  if (lastCheckspawn+CHECKSPAWNDELAY<loopmillis) {
+    lastCheckspawn=loopmillis;
+    Serial.print("Checking Spawning, wagons ");
+    Serial.println(wagoncount);
+    if (random(0,SPAWNCHANCE)==0 && wagoncount<MAXWAGONS) { //by chance, exclusive SPAWNCHANCE
+      spawnWagon();
+      if (random(0,SPAWNCHANCEDOUBLE)==0){
+        spawnWagon();
+      }
+    }else{
+      Serial.println("no spawn");
+    }
+    
+    
+  }
+
+  
   
 }
 

achterbahnconfig/achterbahnconfig/achterbahnconfig.pde

@@ -90,10 +90,10 @@ void setup() {
       .setSize(50, 50);
       
   slSpawnPos = cp5.addSlider("spawnpos")
-     .setRange(0,maxpixelvalue)
+     .setRange(0,numpixels-1)
      .setValue(0)
      .setPosition(220,80)
-     .setSize(maxpixelvalue,10);
+     .setSize(300,10);
      
   slSpawnLength = cp5.addSlider("spawnlength")
      .setRange(0,maxspawnlength)
@@ -170,6 +170,13 @@ void Spawn() {
   myPort.write(writeserial);
 }
 
+void SpawnRandom() {
+  //String writeserial="spawn\n"; //random
+  String writeserial="spawn\n";
+  myPort.write(writeserial);
+}
+
+  
 
 void draw() {
   

wagon.cpp

@@ -1,6 +1,9 @@
 #include "wagon.h"
 
-#define SLOWVELOCITY 0.05
+#define SLOWVELOCITY 0.1
+
+#define EDGE_WALL
+//#define EDGE_WRAP
 
 Wagon::Wagon(int id,int numpixels, Adafruit_NeoPixel *strip,uint8_t *height,float pos, float trainlength,float startvel,float startacc, float wagonmass, uint32_t wagoncolor)
 {
@@ -106,11 +109,21 @@ void Wagon::updatePhysics(float updatedelayms)
   }
 
 
-  if (_pos>=_numpixels){ //Wrap around edges
+  if (_pos>=_numpixels){ 
-    _pos-=_numpixels;
+    #ifdef EDGE_WRAP
+      _pos-=_numpixels; //Wrap around edges
+    #endif
+    #ifdef EDGE_WALL
+      _vel*=-1; //wall at edges
+    #endif
   }
-  if (_pos<0){ //warp around edges
+  if (_pos<0){ 
-    _pos=_numpixels+_pos;
+    #ifdef EDGE_WRAP
+      _pos=_numpixels+_pos; //warp around edges
+    #endif
+    #ifdef EDGE_WALL
+      _vel*=-1;; //wall at edges
+    #endif
   }
   
 }
@@ -119,11 +132,19 @@ float Wagon::getHeight(int p){
   
   
   if (p<0){
-    p=0; //straight edges
+    #ifdef EDGE_WRAP
-    //return (-p)*10; //edges as wall
+      p=numpixels+p; //wrap edge
+    #endif
+    #ifdef EDGE_WALL
+      return _height[0]+p*-10; //edges as wall
+    #endif
   }else if(p>=_numpixels){
-    p=_numpixels-1;  //straight edges
+    #ifdef EDGE_WRAP
-    return (p-_numpixels)*10; //edges as wall
+      p=p-numpixels; //wrap edge
+    #endif
+    #ifdef EDGE_WALL
+      return _height[_numpixels-1]+(p-_numpixels)*10; //edges as wall
+    #endif
   }
   return _height[p];
 }
@@ -161,7 +182,23 @@ void Wagon::updateGraphics()
     _g*=featherbrightness;
     _b*=featherbrightness;
 
-    _strip->setPixelColor(i,_r,_g,_b);
+    uint32_t _pxcolor=_strip->getPixelColor(i); //get current color of that pixel
+    uint8_t _pxr = _pxcolor >> 16;
+    uint8_t _pxg = _pxcolor >> 8;
+    uint8_t _pxb = _pxcolor;
+    uint16_t _tmpr=_pxr+_r; //add colors
+    uint16_t _tmpg=_pxg+_g;
+    uint16_t _tmpb=_pxb+_b;
+    if (_tmpr>255){ //clamp
+      _tmpr=255;
+    }
+    if (_tmpg>255){
+      _tmpg=255;
+    }
+    if (_tmpb>255){
+      _tmpb=255;
+    }
+    _strip->setPixelColor(i,_tmpr,_tmpg,_tmpb); //draw pixel
   }
 }