public Particle createParticle(Vector3f emitterPosition, bool emitterUseDirection, Vector3f emitterDirection)
{
Color4f color = new Color4f((maximumColor.a - minimalColor.a) * random.NextDouble() + minimalColor.a,
(maximumColor.r - minimalColor.r) * random.NextDouble() + minimalColor.r,
(maximumColor.g - minimalColor.g) * random.NextDouble() + minimalColor.g,
(maximumColor.b - minimalColor.b) * random.NextDouble() + minimalColor.b);
Vector3f velocity = new Vector3f((maximumInitialVelocity.x - minimalInitialVelocity.x) * random.NextDouble(),
(maximumInitialVelocity.y - minimalInitialVelocity.y) * random.NextDouble(),
(maximumInitialVelocity.z - minimalInitialVelocity.z) * random.NextDouble());
velocity.add(minimalInitialVelocity);
float particleLife = minimalParticleLife;
float t = (maximumParticleLife - minimalParticleLife);
particleLife += t * (float)random.NextDouble();
return new BillboardedParticle(emitterPosition.copy(), velocity, gravity, color, particleLife, size);
}
public Vector3f computeTrajectory(Vector3f vector)
{
float len = vector.length();
Vector3f newTrajectory = vector.copy();
float projection = (vector * normal) / (normal * normal);
Vector3f u = normal * projection;
newTrajectory.subtract(u).subtract(u);
newTrajectory.stretch(friction);
//Console.Out.WriteLine("Got: " + vector.ToString() + " computed: " + newTrajectory.ToString());
return newTrajectory;
}
public BodyBox(World hostWorld, Space space, Vector3f position, Vector3f size, Vector3f force)
{
this.hostWorld = hostWorld;
this.space = space;
bodyID = Ode.dBodyCreate(hostWorld.getID());
// create a mass object, in this case a box of size 50 x 0.2 x 50
Ode.dMass mass = new Ode.dMass();
//Ode.dMassSetBox(ref mass, 200.0f, radius, radius, radius);
Ode.dMassSetBoxTotal(ref mass, 200.0f, size.x, size.y, size.z);
// set it's mass to 1000.0f. If this value is too low,
// you'll get some wierd collisions
//mass.mass = 1000.0f;
// set the mass object on the body
Ode.dBodySetMass(bodyID, ref mass);
// Set the body's position
Ode.dBodySetPosition(bodyID, position.x, position.y, position.z);
// Set an initial force on the body. This will be
// wiped to zero after the first frame.
Ode.dBodyAddForce( bodyID, force.x, force.y, force.z );
// create a collion geometry to go with our rigid body.
// without this, the rigid body will not collide with anything.
geomID = Ode.dCreateBox(space.getSpaceID(), size.x, size.y, size.z);
// assign a rigid body to the collision geometry. If we didn't do this,
// the object would be a static object much like our ground plane.
Ode.dGeomSetBody(geomID, bodyID);
this.position = position.copy();
this.rotationOGL = new Color4f(0.0f, 0.0f, 0.0f, 0.0f);
}
