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class FlakesTexture {
constructor( width = 512, height = 512 ) {
const canvas = document.createElement( 'canvas' );
canvas.width = width;
canvas.height = height;
const context = canvas.getContext( '2d' );
context.fillStyle = 'rgb(127,127,255)';
context.fillRect( 0, 0, width, height );
for ( let i = 0; i < 4000; i ++ ) {
const x = Math.random() * width;
const y = Math.random() * height;
const r = Math.random() * 3 + 3;
let nx = Math.random() * 2 - 1;
let ny = Math.random() * 2 - 1;
let nz = 1.5;
const l = Math.sqrt( nx * nx + ny * ny + nz * nz );
nx /= l; ny /= l; nz /= l;
context.fillStyle = 'rgb(' + ( nx * 127 + 127 ) + ',' + ( ny * 127 + 127 ) + ',' + ( nz * 255 ) + ')';
context.beginPath();
context.arc( x, y, r, 0, Math.PI * 2 );
context.fill();
}
return canvas;
}
}
export { FlakesTexture };