public void splash(double x, double strength, ParticleEmitter drops) {
int index = indexOf(x);
speeds[index] = strength * strength / 500;
Util.repeat(
(int) (strength * strength) / 2000,
() -> {
Vec2 dir = Vec2.fromPolar(Math.random(), Math.random() * Math.PI);
drops.particles.add(
new Particle(
new Vec2(x, heights[index]).add(dir), dir.multiply(50 * Math.sqrt(strength))));
});
}
