/**
* Constructor function
*/
constructor() {
super(SIZE, SIZE, SIZE, SIZE)
this.applyMatrix(new THREE.Matrix4().makeRotationX(-Math.PI / 2))
const zeroVector = new THREE.Vector3();
const positions = this.attributes.position.array
for (let j = 0; j < positions.length; j += 3) {
positions[j + 0] += random(-2, 2)
positions[j + 1] = 0
positions[j + 2] += random(-2, 2)
const vector = new THREE.Vector3(
positions[j + 0],
positions[j + 1],
positions[j + 2])
const factor = (-vector.distanceTo(zeroVector) * 0.2) * HEIGHT
positions[j + 1] += factor //+ random(2, 5)//simplex.noise3D(positions[j+0]*0.5, positions[j+2]*0.5) * HEIGHT
}
this.attributes.position.needsUpdate = true
this.computeFaceNormals();
this.computeVertexNormals();
}
function addRandomPoints (positions, bounds, count) {
var min = bounds[0]
var max = bounds[1]
for (var i = 0; i < count; i++) {
positions.push([ // random [ x, y ]
random(min[0], max[0]),
random(min[1], max[1])
])
}
}
const randomGeoInterval = () => {
hasNextGeometry = false;
setTimeout(() => {
if (!hasNextGeometry) {
hasNextGeometry = true;
// fake data for iOS
geo.nextGeometry();
}
randomGeoInterval();
}, randomFloat(500, 2000));
};
const randomPaletteInterval = () => {
hasNextPalette = false;
setTimeout(() => {
if (!hasNextPalette && !ignorePaletteSwap) {
hasNextPalette = true;
// fake data for iOS
geo.nextPalette();
}
randomPaletteInterval();
}, randomFloat(4000, 8000));
};