public override Particle emit(ParticleFactory particleFactory)
{
Vector3f tmp = new Vector3f(0.5f - random.NextDouble(), 0.5f - random.NextDouble(), 0.5f - random.NextDouble());
tmp.Normalize();
tmp.stretch(radius);
tmp.add(position);
return particleFactory.createParticle(tmp, false, null);
}
public GroundPlane(Texture texture, int tileU, int tileV, Vector3f pointA, Vector3f pointB, Vector3f pointC, Vector3f pointD)
{
this.texture = texture;
this.tileU = tileU;
this.tileV = tileV;
this.pointA = pointA;
this.pointB = pointB;
this.pointC = pointC;
this.pointD = pointD;
Vector3f vectorA = pointA.diff(pointB);
Vector3f vectorB = pointA.diff(pointD);
normal = vectorA.Cross(vectorB);
normal.Normalize();
}