HitOnce With Graphics

by pkin159

HTML

<div>
    <button id='hitOnce' class='buttonClass'>Hit Once</button>
    <br/>
    <button id='hitMany' class='buttonClass'>Hit Many</button>
    <br/>
    <button id='playScore' class='buttonClass'>Play Score</button>
</div>
<script src="http://cdnjs.cloudflare.com/ajax/libs/three.js/r70/three.min.js"></script>
<script src="https://dl.dropboxusercontent.com/u/3587259/Code/Threejs/OrbitControls.js"></script>
<script src="https://pkin159.github.io/project/js/dat.gui.min.js"></script>

CSS

#info {
    position: absolute;
    top: 0px;
    width: 100%;
    padding: 10px;
    text-align: center;
    color: #ff0000
}
#gui {
    position: absolute;
    top: 40px;
    left: 20px;
    height: 350px;
}

JavaScript

var Stick = function () {
    // properties
    this.T = 3; // in seconds
    this.keys = [];
    this.startTime = 0;
    this.angle = 0; // for 'text-based' rendering
	this.mesh = THREE.Object3D();
    
	this.newMesh = function(){
    a = new THREE.Object3D();
    var geometry = new THREE.CylinderGeometry(1.4, 1.4, 70, 32);
    var material = new THREE.MeshPhongMaterial({
        color: 0xffff00
    });
    var cylinder = new THREE.Mesh(geometry, material);

    cylinder.rotation.x = Math.PI / 2;
    cylinder.position.set(0, 0, -40);

    var geometry1 = new THREE.CylinderGeometry(1.4, 0.8, 20, 32);
    var cylinder2 = new THREE.Mesh(geometry1, material);

    cylinder2.rotation.x = Math.PI / 2;
    cylinder2.position.set(0, 0, -85);

    var geometry3 = new THREE.SphereGeometry(1.5, 32, 32);
    var sphere = new THREE.Mesh(geometry3, material);
    sphere.position.set(0, 0, -95);

    a.add(cylinder);
    a.add(cylinder2);
    a.add(sphere);

    this.mesh = a;
	};
    
    // methods
    this.setT = function (period) {
        this.T = period;
    };
    this.setKeys = function (keys) {
        this.keys = keys;
    };
    this.setMaxKeysValue = function (intensity){
    	var max = 0, maxi;
        for( i = 0; this.keys[i]; i++){
        	if(this.keys[i].value > max){
                max = this.keys[i].value;
            	maxi = i;
            }
        }
        this.keys[maxi].value = intensity;
    }

    this.interpolate = function (s) { // normalized time
        if (s > 1) // end of cycle
        return this.keys[this.keys.length - 1].value;

        for (var i = 1; i < this.keys.length; i++) {
            if (s < this.keys[i].timeS) break;
        }

        // between i-1 & i
        var vv = this.keys[i - 1].value + (s - this.keys[i - 1].timeS) / (this.keys[i].timeS - this.keys[i - 1].timeS) * (this.keys[i].value - this.keys[i - 1].value);
        return vv;
    };

    this.update = function (time) { // time: elapsedTime
        var s = (time -...