frequency doubling

some tech is now only 50% likely to show up
  I choose about 25 tech that don't effect game play as much, and dropped them down to 50% frequency

reset on experiment menu should now clear power ups and bullets

fixed bug with no heals

js/index.js

@@ -428,7 +428,10 @@ const build = {
         }
     },
     reset() {
+        simulation.startGame(true); //starts game, but pauses it
         build.isExperimentSelection = true;
+        simulation.paused = true;
+
         m.setField(0)
 
         b.inventory = []; //removes guns and ammo  
@@ -522,9 +525,6 @@ function openExperimentMenu() {
     document.body.style.overflowY = "scroll";
     document.body.style.overflowX = "hidden";
     document.getElementById("info").style.display = 'none'
-    simulation.startGame(true); //starts game, but pauses it
-    build.isExperimentSelection = true;
-    simulation.paused = true;
     build.reset();
 }
 

js/level.js

@@ -1102,8 +1102,8 @@ const level = {
 
         // simulation.difficulty = 30 
         // spawn.starter(1900, -500, 200) //big boy
-        spawn.exploder(1900, -500)
-        // spawn.pulsarBoss(1900, -500)
+        spawn.pulsar(1900, -500)
+        spawn.pulsarBoss(1900, -500)
         // spawn.historyBoss(1900, -500)
         // spawn.ghoster(2900, -500)
         // spawn.launcherBoss(1200, -500)

js/powerup.js

@@ -680,7 +680,6 @@ const powerUps = {
         if (
             (!tech.isSuperDeterminism || (target === 'tech' || target === 'heal' || target === 'ammo')) &&
             !(tech.isEnergyNoAmmo && target === 'ammo') &&
-            !(tech.isNoHeals || target === 'heal') &&
             (!simulation.isNoPowerUps || (target === 'research' || target === 'heal' || target === 'ammo'))
         ) {
             powerUps.directSpawn(x, y, target, moving, mode, size)

js/simulation.js

@@ -496,6 +496,7 @@ const simulation = {
     fpsInterval: 0, //set in startGame
     then: null,
     startGame(isBuildRun = false) {
+        simulation.clearMap()
         if (!isBuildRun) { //if a build run logic flow returns to "experiment-button").addEventListener
             document.body.style.cursor = "none";
             document.body.style.overflow = "hidden"

js/spawn.js

@@ -1486,6 +1486,7 @@ const spawn = {
         me.radius *= 1.5
         me.vertices[1].x = me.position.x + Math.cos(me.angle) * me.radius; //make one end of the triangle longer
         me.vertices[1].y = me.position.y + Math.sin(me.angle) * me.radius;
+        me.homePosition = { x: x, y: y };
         me.fireCycle = 0
         me.fireTarget = { x: 0, y: 0 }
         me.pulseRadius = Math.min(500, 230 + simulation.difficulty * 3)
@@ -1575,6 +1576,10 @@ const spawn = {
                         }
                     }
                 }
+                //gently return to starting location
+                const sub = Vector.sub(this.homePosition, this.position)
+                const dist = Vector.magnitude(sub)
+                if (dist > 250) this.force = Vector.mult(Vector.normalise(sub), this.mass * 0.0002)
             }
         };
     },
@@ -1586,6 +1591,7 @@ const spawn = {
         me.radius *= 2
         me.vertices[1].x = me.position.x + Math.cos(me.angle) * me.radius; //make one end of the triangle longer
         me.vertices[1].y = me.position.y + Math.sin(me.angle) * me.radius;
+        me.homePosition = { x: x, y: y };
         Matter.Body.setDensity(me, 0.002); //extra dense //normal is 0.001 //makes effective life much larger
         me.fireCycle = Infinity
         me.fireTarget = { x: 0, y: 0 }
@@ -1691,6 +1697,10 @@ const spawn = {
                         this.fireCycle = 0
                     }
                 }
+                //gently return to starting location
+                const sub = Vector.sub(this.homePosition, this.position)
+                const dist = Vector.magnitude(sub)
+                if (dist > 350) this.force = Vector.mult(Vector.normalise(sub), this.mass * 0.0002)
             }
         };
     },