basic ability/skill/whatever class with mechanics like cooldowns and stuff

Author: htmlcoderexe

gameObjects/Ability.js

@@ -0,0 +1,57 @@
+
+const ABILITY_USE_ALL_CHARGE = -1;
+class Ability
+{
+    rate = 120; // default: twice a second
+    charge = 8;
+    maxcharge = 8;
+    chargeused = 1;
+    base_recharge = 1; // per second
+    user = null;
+    cdtimer =0;
+    constructor(user)
+    {
+        this.user = user;
+    }
+    use()
+    {
+        if(this.cdtimer>0)
+        {
+            return;
+        }
+        if(this.chargeused==ABILITY_USE_ALL_CHARGE)
+        {
+            this.apply(this.charge);
+            this.charge=0;
+            this.cdtimer+=(60/this.rate);
+        }
+        else
+        {
+            if(this.charge>=this.chargeused)
+            {
+                this.apply();
+                this.charge-=this.chargeused;
+                this.cdtimer+=(60/this.rate);
+            }
+        }
+    }
+
+    update(dT)
+    {
+        this.charge += dT*this.base_recharge;
+        this.cdtimer-=dT;
+        if(this.charge>this.maxcharge)
+        {
+            this.charge=this.maxcharge;
+        }
+        if(this.cdtimer<0)
+        {
+            this.cdtimer=0;
+        }
+    }
+
+    apply(charge=0)
+    {
+
+    }
+}