mod drop balance

js/bullets.js

@@ -4,6 +4,7 @@ const b = {
   dmgScale: null, //scales all gun damage from momentum, but not raw .dmg //this is reset in game.reset
   gravity: 0.0006, //most other bodies have   gravity = 0.001
   //variables use for gun mod upgrades
+  modCount: null,
   modFireRate: null,
   modExplosionRadius: null,
   modBulletSize: null,
@@ -14,6 +15,7 @@ const b = {
   modIsImmortal: null,
   modSpores: null,
   setModDefaults() {
+    b.modCount = 0;
     b.modFireRate = 1;
     b.modExplosionRadius = 1;
     b.modBulletSize = 1;
@@ -119,6 +121,7 @@ const b = {
   ],
   giveMod(i) {
     b.mods[i].effect(); //give specific mod
+    b.modCount++
     b.mods[i].have = true
     game.updateModHUD();
   },

js/game.js

@@ -308,7 +308,7 @@ const game = {
         powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "field");
         powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "heal");
         powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "heal");
-        if (!powerUps.haveAllMods) powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "mod");
+        powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "mod");
       }
       if (keys[89]) { //add all mods with y
         for (let i = 0; i < b.mods.length; i++) {

js/powerups.js

@@ -76,7 +76,6 @@ const powerUps = {
       }
     }
   },
-  haveAllMods: false,
   mod: {
     name: "mod",
     color: "#a8f",
@@ -91,7 +90,6 @@ const powerUps = {
       }
       //give a random mod from the mods I don't have
       if (options.length > 0) {
-        if (options.length === 1) powerUps.haveAllMods = true
         let newMod = options[Math.floor(Math.random() * options.length)]
         b.giveMod(newMod)
         game.makeTextLog(`<div class="circle mod"></div> &nbsp;<strong style='font-size:30px;'>${b.mods[newMod].name}</strong><br><br> ${b.mods[newMod].description}`, 1000);
@@ -146,7 +144,7 @@ const powerUps = {
       powerUps.spawn(x, y, "gun");
       return;
     }
-    if (Math.random() < 0.007 && !powerUps.haveAllMods) {
+    if (Math.random() < 0.0015 * (b.mods.length - b.modCount)) {
       powerUps.spawn(x, y, "mod");
       return;
     }
@@ -158,7 +156,7 @@ const powerUps = {
   spawnBossPowerUp(x, y) { //boss spawns field and gun mod upgrades
     if (mech.fieldMode === 0) {
       powerUps.spawn(x, y, "field")
-    } else if (Math.random() < 0.35 && !powerUps.haveAllMods) {
+    } else if (Math.random() < 0.047 * (b.mods.length - b.modCount)) {
       powerUps.spawn(x, y, "mod")
     } else if (Math.random() < 0.25) {
       powerUps.spawn(x, y, "field");