Sprite makeParticle() {
CoreImage image = CoreImage.load("particle.png");
int color = hue(rand(0, 255));
final ImageSprite sprite = new ImageSprite(image.tint(color), 0, 0);
sprite.setAnchor(0.5, 0.5);
sprite.pixelSnapping.set(true);
Blur blur = new Blur(8);
blur.quality.set(1);
blur.radius.bindTo(
new BindFunction() {
public Number f() {
int w = Stage.getWidth() / 2;
double f = 1 - Math.abs(w - sprite.x.get()) / w;
if (f < 0.10) {
return 0;
} else {
return 16 * (f - 0.10);
}
}
});
sprite.setFilter(blur);
return sprite;
}
