Ejemplo n.º 1
0
        /// <summary>
        /// Calculates the vector describing how "self" needs to move to get "separationDist" units away all other gas
        /// particles in "others" while preserving its height above ground
        /// </summary>
        /// <returns>
        /// a Vector3 describing the direction of movement neccessary to separate from other particles
        /// </returns>
        /// <param name="others">A List of gasparticles to separate from</param>
        /// <param name="self">The Particle that needs to separate</param>
        /// <param name="separationDist">A float describing how close particles may be to each other</param>
        public Vector3 GetSeparationVector(List <GasParticle> others, GasParticle self, float separationDist)
        {
            var selfPos = self.transform.position;

            var numParticles = others.Count;

            var separationVector = Vector3.zero;

            if (numParticles == 0)
            {
                return(Vector3.zero);
            }

            var countSeparators = 0;

            foreach (var other in others)
            {
                if (other.Equals(self))
                {
                    continue;
                }

                var otherPos = other.transform.position;

                var dirToOther = selfPos - otherPos;

                var distToOther = dirToOther.magnitude;

                if (distToOther > separationDist)
                {
                    continue;
                }

                if (distToOther < Mathf.Epsilon)
                {
                    //the systems are located in exactly the same position, so they need to separate
                    var randomAngle = Random.value * 360f;
                    dirToOther = Quaternion.Euler(0f, randomAngle, 0f) * Vector3.forward;
                }

                separationVector += dirToOther.normalized * (separationDist - distToOther);

                countSeparators++;
            }

            if (countSeparators > 0)
            {
                separationVector /= countSeparators;
            }

            return(separationVector);
        }
Ejemplo n.º 2
0
 /// <summary>
 /// Adds a GasParticle to the list of active gasses that needs to be managed
 /// </summary>
 /// <param name="gas">The new GasParticle to be tracked</param>
 public void RegisterGasParticle(GasParticle gas)
 {
     _activeGas.Add(gas);
 }