case 0: // ACTIVE-A
            // grow circle around nfc icon, display tap_text & timeout chart when circle is max, maintain nfc icon for 3-4 seconds

            // initialize nfcAnimState values
            if (this.nfcAnimState.iconState == -1) {
                this.nfcAnimState.iconState = 0;
                this.nfcAnimState.circleSize = this.nfcAnimConfig.genericIconSize;
                this.nfcAnimState.cx = this.selectedDroplet.posx + this.selectedDroplet.scaledWidth / 2;
                this.nfcAnimState.cy = this.selectedDroplet.posy + this.selectedDroplet.scaledHeight / 2;
            } else if (this.nfcAnimState.iconState == 0) {
                // otherwise run this state, increasing circleSize to it's configured max
                if (this.nfcAnimState.circleSize < this.nfcAnimConfig.circleSize) {
                    this.nfcAnimState.circleSize += this.nfcAnimConfig.openSpeed;
                } else {
                    // circleSize max
                    // TODO: timeout chart
                    this.nfcAnimState.rotateTextState = 0; // display tap_text
                    this.nfcAnimState.rotateTextPosition = 0; // set rotation to 0

                    // once circleSize has reached max, we can move to ACTIVE-B state after a delay
                    if (this.nfcAnimState.timeout01 == null) {
                        var that = this;
                        setTimeout(function() {
                            that.nfcState = 1;
                        }, this.nfcAnimConfig.timeout01Delay);
                    }
                }
            }
            break;
        case 1: // ACTIVE-B
            // move to tap_icon, add close_icon, maintain tap_text and timeout chart rotation
            this.nfcAnimState.iconState = 1;
            this.nfcAnimState.displayClose = true;
            break;