// Use this for initialization
void Start()
{
lineVertices = new Vector3[numParticles];
lineRenderer = GetComponent <UnityEngine.LineRenderer> ();
lineRenderer.SetVertexCount(numParticles);
lineRenderer.SetWidth(0.1f, 0.1f);
var startPos = new Vec3(-3, 15, 0);
var dx = new Vec3(-0.25, -0.25, 0);
var mass = 1.0;
for (int i = 0; i < numParticles; i++)
{
particles.Add(new Particle(startPos + i * dx, mass));
}
particles [numParticles - 1].Mass = massOfLastParticle;
List <Constraint> constraints = new List <Constraint> ();
constraints.Add(new PositionConstraint(0, startPos, springK));
for (int i = 0; i < numParticles - 1; i++)
{
constraints.Add(new DistanceConstraint(i, i + 1, dx.Length, springK));
}
particles.constraints = constraints;
Engine.instance.Rope = particles;
}
private void EmitParticles()
{
var t = Time.fixedTime;
var elapsed = t - lastTime;
if (elapsed >= 1 / rate)
{
var particlesToEmit = Mathf.CeilToInt(elapsed / (1 / rate));
float r = particleSize / 2;
float mass = density * 4 * Mathf.PI * r * r * r / 3;
for (var i = 0; i < particlesToEmit; i++)
{
// Add a random perturbation to initial position and velocity
var initialVelocity = transform.forward + Random.onUnitSphere;
var initialPosition = transform.position;
var coords = Random.insideUnitCircle * radius;
initialPosition += coords.x * transform.right + coords.y * transform.up;
ps.Add(new PE.Particle(initialPosition, initialVelocity, mass, particleSize / 2, lifetime));
}
lastTime = t;
}
}
public void Point_AABBTest()
{
PE.ParticleSystem ps = new PE.ParticleSystem();
ps.Add(new Particle(new PE.Vec3(0, 0.5, 0), new PE.Vec3(0, 0, 0), 0.0, 0, 0));
AABB aabb = new AABB(new Vec3(-1.0, -1.0, -1.0), new Vec3(1.0, 1.0, 1.0));
Assert.IsTrue(Collider.CheckIntersection(ps, aabb).Count != 0);
}
public void Point_PlaneTest1()
{
PE.ParticleSystem ps = new PE.ParticleSystem();
ps.Add(new Particle(new PE.Vec3(1, 0, 2), new PE.Vec3(0, 0, 0), 0.0, 0, 0));
PlaneCollider pl1 = new PlaneCollider(new Entity(), new PE.Vec3(0, 0, 1), 1.0);
Assert.IsFalse(Collider.CheckIntersection(ps, pl1).Count != 0);
}