/// <summary>
/// Randomizes the orientation of a die
/// </summary>
/// <param name="die">Die body</param>
public void RandomizeDieOrientation(RigidBody die)
{
float xRot = -MathHelper.Pi + ((float)random.NextDouble() * MathHelper.TwoPi);
float yRot = -MathHelper.Pi + ((float)random.NextDouble() * MathHelper.TwoPi);
float zRot = -MathHelper.Pi + ((float)random.NextDouble() * MathHelper.TwoPi);
die.Orientation = JMatrix.CreateRotationX(xRot) * JMatrix.CreateRotationY(yRot) * JMatrix.CreateRotationZ(zRot);
}
void IConstructable.Construct(IDictionary <string, string> param)
{
var type = param["type"];
switch (type)
{
case "trimesh":
var physData = ResourceFactory.LoadAsset <PhysicsData>(param["physData"]);
Shape shape = new TriangleMeshShape(physData.Octree);
Body = new RigidBody(shape)
{
Material = { Restitution = 0f, KineticFriction = 0f }
};
break;
case "hull":
physData = ResourceFactory.LoadAsset <PhysicsData>(param["physData"]);
shape = new ConvexHullShape(physData.Vertices);
Body = new RigidBody(shape);
break;
case "sphere":
shape = new SphereShape(float.Parse(param["radius"], CultureInfo.InvariantCulture));
Body = new RigidBody(shape);
break;
case "box":
var d = param["size"].ConvertToVector();
var offset = param.Get("offset", "0;0;0").ConvertToVector();
shape = new BoxShape(2.0f * d.ToJVector());
Body = new RigidBody(shape)
{
Position = offset.ToJVector()
};
break;
case "capsule":
var height = float.Parse(param["height"], CultureInfo.InvariantCulture);
var radius = float.Parse(param["radius"], CultureInfo.InvariantCulture);
shape = new CapsuleShape(height, radius);
Body = new RigidBody(shape)
{
Position = JVector.Backward * (0.5f * height + radius),
Orientation = JMatrix.CreateRotationX(MathHelper.PiOver2)
};
break;
default:
throw new Exception("Unknown shape: " + type);
}
Body.IsStatic = Convert.ToBoolean(param.Get("static", "false"));
Body.Material.KineticFriction = 0.5f;
Body.Material.StaticFriction = 0.5f;
Body.Material.Restitution = 0.5f;
}
private JMatrix GetOrientation()
{
switch (Axis)
{
case AxisAlignment.PositiveX:
case AxisAlignment.NegativeX:
return(JMatrix.CreateRotationZ(JMath.PiOver2));
case AxisAlignment.PositiveY:
case AxisAlignment.NegativeY:
return(JMatrix.Identity);
case AxisAlignment.PositiveZ:
case AxisAlignment.NegativeZ:
return(JMatrix.CreateRotationX(JMath.PiOver2));
default:
throw new ArgumentOutOfRangeException();
}
}
public override void Draw()
{
G.PushMatrix();
G.SetTransform(Body.Position, Body.Orientation);
G.Translate(0, -0.3f, -0.2f);
G.Scale(0.032f, 0.032f, 0.032f);
sc.Draw();
G.PopMatrix();
for (int i = 0; i < ((DefaultCar)Body).Wheels.Length; i++)
{
G.PushMatrix();
Wheel wheel = ((DefaultCar)Body).Wheels[i];
G.SetTransform(wheel.GetWorldPosition(), Body.Orientation);
G.SetTransform(JVector.Zero, JMatrix.CreateRotationY(wheel.SteerAngle * (float)Math.PI / 180));
G.SetTransform(JVector.Zero, JMatrix.CreateRotationX(-wheel.WheelRotation * (float)Math.PI / 180));
G.Scale(whRadius * 1.3f, whRadius * 1.3f, whRadius * 1.3f);
wc.Draw();
G.PopMatrix();
}
}
public void InitBody(ref RigidBody body, TransformComponent transform, int entity)
{
body.Shape = new BoxShape(0.2f, 0.2f, 0.2f);
body.Position = new JVector(transform.X, transform.Y, transform.Z);
body.Orientation = JMatrix.CreateRotationX(transform.RotationX) *
JMatrix.CreateRotationY(transform.RotationY) *
JMatrix.CreateRotationZ(transform.RotationZ);
body.SetMassProperties();
body.Update();
body.IsActive = true; // TODO
body.IsStatic = !OwnerApp.EntityManager.HasComponent <MovableComponent>(entity);
body.Mass = 1.0f; // TODO
body.Material = new Material()
{
Restitution = 0.2f,
StaticFriction = 0.8f,
KineticFriction = 0.8f
}; // TODO
_world.AddBody(body);
}