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Mini Shell
Mini Shell
//GRAPHIC EQUALIZER BARS VIZ
var Bars = function() {
//Viz Template
var groupHolder;
var BAR_COUNT = 16;
var vertDistance;
var fillFactor= 0.8;
var planeWidth = 2000;
var segments = 10;
function init(){
//EVENT HANDLERS
events.on("update", update);
events.on("onBeat", onBeat);
groupHolder = new THREE.Object3D();
VizHandler.getVizHolder().add(groupHolder);
groupHolder.position.z = 300;
vertDistance = 1580 / BAR_COUNT;
groupHolder.rotation.z = Math.PI/4;
for ( var j = 0; j < BAR_COUNT; j ++ ) {
var planeMat = new THREE.MeshBasicMaterial( {
color: 0xEBFF33,
//side:THREE.DoubleSide //more complex shapes
});
planeMat.color.setHSL(j/BAR_COUNT, 1.0, 0.5);
mesh = new THREE.Mesh( new THREE.PlaneGeometry( planeWidth, vertDistance,segments,segments), planeMat );
mesh.position.y = vertDistance*j - (vertDistance*BAR_COUNT)/2;
mesh.scale.y = (j+1)/BAR_COUNT*fillFactor;
groupHolder.add( mesh );
}
}
function displaceMesh(){
//rejigger z disps
var MAX_DISP = Math.random() * 600;
var rnd = Math.random();
for ( var j = 0; j < BAR_COUNT; j ++ ) {
var mesh = groupHolder.children[j];
//randomly warp mesh
for(var i=0; i < mesh.geometry.vertices.length; i++) {
vertex = mesh.geometry.vertices[i];
var disp = simplexNoise.noise(vertex.x / planeWidth*100 ,rnd) * MAX_DISP;
vertex.z = disp;
}
mesh.geometry.verticesNeedUpdate = true;
}
}
function update() {
//slowly move up
groupHolder.position.y = AudioHandler.getBPMTime() * vertDistance;
//scale bars on levels
for ( var j = 0; j < BAR_COUNT; j ++ ) {
groupHolder.children[j].scale.y = AudioHandler.getLevelsData()[j] * AudioHandler.getLevelsData()[j] + 0.00001;
}
}
function onBeat(){
groupHolder.rotation.z = Math.PI/4 * Math.floor(ATUtil.getRand(0,4));
//slight Y rotate
groupHolder.rotation.y = ATUtil.getRand(-Math.PI/4,Math.PI/4) ;
displaceMesh();
}
function onBPMBeat(){
}
return {
init:init
};
}();
Zerion Mini Shell 1.0