wigglySphere.js

#pragma strict

// Script to create a Unity mesh containing a sphere
// The sphere is warped with a sine wave pattern over time

var verts1 : Vector3[];

function Start () {
	gameObject.AddComponent(MeshFilter);
	gameObject.AddComponent(MeshRenderer);
	GetComponent(Renderer).material = new Material(Shader.Find("Custom/Vertex Colored"));
	var m = GetComponent(MeshFilter).mesh;
	var verts = Array();
	var cols = Array();
	var tris = Array();
	for (var j=0; j < 30; j++)
	{
		var lat = (j/30.0)*Mathf.PI - Mathf.PI/2.0;
		for (var i=0; i < 30; i++)
		{
			var lon = (i/30.0)*2.0*Mathf.PI;
			var p = Vector3(Mathf.Cos(lat)*Mathf.Sin(lon), Mathf.Sin(lat), Mathf.Cos(lat)*Mathf.Cos(lon));
			verts.push(p*4);
			var c = Random.ColorHSV();
			cols.push(c);
		}
	}
	for (j=0; j < 29; j++)
	{
		for (i=0; i < 29; i++)
		{
			var index = j*30 + i;
			tris.push(index);
			tris.push(index+1);
			tris.push(index+30);
			tris.push(index+1);
			tris.push(index+31);
			tris.push(index+30);
		}
	}
	verts1 = verts;
	m.vertices = verts;
	m.colors = cols;
	m.triangles = tris;
}

function Update () {
	var m = GetComponent(MeshFilter).mesh;
	var v = m.vertices;
	var index=0;
	for (var j=0; j < 30; j++)
	{
		for (var i=0; i < 30; i++)
		{
			v[index] = verts1[index]*(Mathf.Sin(Time.time*20+i*0.5+j)/20.0 + 1.0);
			index++;
		}
	}
	m.vertices = v;
}