schedule p5.Env triggerRelease fix

Author: therewasaguy

lib/p5.sound.js

@@ -4288,21 +4288,21 @@ env = function () {
     // ideally would get & set currentValue here,
     // but this.control._scalar.gain.value not working in firefox
     // release based on how much time has passed since this.lastAttack
-    if (now - this.lastAttack < this.aTime) {
+    if (t - this.lastAttack < this.aTime) {
       var a = this.aTime - (t - this.lastAttack);
       this.control.linearRampToValueAtTime(this.aLevel, t + a);
       this.control.linearRampToValueAtTime(this.dLevel, t + a + this.dTime);
       this.control.linearRampToValueAtTime(this.sLevel, t + a + this.dTime + this.sTime);
       this.control.linearRampToValueAtTime(this.rLevel, t + a + this.dTime + this.sTime + this.rTime);
       relTime = t + this.dTime + this.sTime + this.rTime;
-    } else if (now - this.lastAttack < this.aTime + this.dTime) {
+    } else if (t - this.lastAttack < this.aTime + this.dTime) {
       var d = this.aTime + this.dTime - (now - this.lastAttack);
       this.control.linearRampToValueAtTime(this.dLevel, t + d);
       // this.control.linearRampToValueAtTime(this.sLevel, t + d + this.sTime);
       this.control.linearRampToValueAtTime(this.sLevel, t + d + 0.01);
       this.control.linearRampToValueAtTime(this.rLevel, t + d + 0.01 + this.rTime);
       relTime = t + this.sTime + this.rTime;
-    } else if (now - this.lastAttack < this.aTime + this.dTime + this.sTime) {
+    } else if (t - this.lastAttack < this.aTime + this.dTime + this.sTime) {
       var s = this.aTime + this.dTime + this.sTime - (now - this.lastAttack);
       this.control.linearRampToValueAtTime(this.sLevel, t + s);
       this.control.linearRampToValueAtTime(this.rLevel, t + s + this.rTime);