// RandomScatter.java
// This class implements purely random scattering.  It isn't realistic but
// it's a good case to start with and test the code.

public class RandomScatter extends ScatteringModel {
	public RTVector ScatteringDirection(RTVector dir) {
		RTVector ret=new RTVector(dir.Dimension());
		int i;

		for(i=0; i<dir.Dimension(); i++) ret.Set(i,Math.random()-0.5);
		ret.Normalize();

		return(ret);
	}
}