void SpawnObject()
{
var cache = GetSubsystem <ResourceCache>();
Node boxNode = scene.CreateChild("Sphere");
boxNode.Position = CameraNode.Position;
boxNode.Rotation = CameraNode.Rotation;
boxNode.SetScale(bulletSize[sizeCount]);
StaticModel boxObject = boxNode.CreateComponent <StaticModel>();
boxObject.Model = cache.Get <Model>("Models/Sphere.mdl");
boxObject.SetMaterial(cache.Get <Material>("Materials/StoneSmall.xml"));
boxObject.CastShadows = true;
RigidBody body = boxNode.CreateComponent <RigidBody>();
body.Mass = bulletMass[massCount];
body.RollingFriction = 0.15f;
CollisionShape shape = boxNode.CreateComponent <CollisionShape>();
shape.SetSphere(1.0f, Vector3.Zero, Quaternion.Identity);
float objectVelocity = bulletSpeed[speedCount];
// Set initial velocity for the RigidBody based on camera forward vector. Add also a slight up component
// to overcome gravity better
body.SetLinearVelocity(CameraNode.Rotation * new Vector3(0.0f, bulletArc, 1.0f) * objectVelocity);
}
void InitWheel(string name, Vector3 offset, out Node wheelNode, out uint wheelNodeId)
{
// Note: do not parent the wheel to the hull scene node. Instead create it on the root level and let the physics
// constraint keep it together
wheelNode = Scene.CreateChild(name);
wheelNode.Position = Node.LocalToWorld(offset);
wheelNode.Rotation = Node.Rotation * (offset.X >= 0.0 ? new Quaternion(0.0f, 0.0f, -90.0f) : new Quaternion(0.0f, 0.0f, 90.0f));
wheelNode.Scale = new Vector3(0.8f, 0.5f, 0.8f);
// Remember the ID for serialization
wheelNodeId = wheelNode.ID;
StaticModel wheelObject = wheelNode.CreateComponent <StaticModel>();
RigidBody wheelBody = wheelNode.CreateComponent <RigidBody>();
CollisionShape wheelShape = wheelNode.CreateComponent <CollisionShape>();
Constraint wheelConstraint = wheelNode.CreateComponent <Constraint>();
wheelObject.Model = (Application.ResourceCache.GetModel("Models/Cylinder.mdl"));
wheelObject.SetMaterial(Application.ResourceCache.GetMaterial("Materials/Stone.xml"));
wheelObject.CastShadows = true;
wheelShape.SetSphere(1.0f, Vector3.Zero, Quaternion.Identity);
wheelBody.Friction = (1.0f);
wheelBody.Mass = 1.0f;
wheelBody.LinearDamping = 0.2f; // Some air resistance
wheelBody.AngularDamping = 0.75f; // Could also use rolling friction
wheelBody.CollisionLayer = 1;
wheelConstraint.ConstraintType = ConstraintType.Hinge;
wheelConstraint.OtherBody = GetComponent <RigidBody>(); // Connect to the hull body
wheelConstraint.SetWorldPosition(wheelNode.Position); // Set constraint's both ends at wheel's location
wheelConstraint.SetAxis(Vector3.UnitY); // Wheel rotates around its local Y-axis
wheelConstraint.SetOtherAxis(offset.X >= 0.0 ? Vector3.UnitX : new Vector3(-1f, 0f, 0f)); // Wheel's hull axis points either left or right
wheelConstraint.LowLimit = new Vector2(-180.0f, 0.0f); // Let the wheel rotate freely around the axis
wheelConstraint.HighLimit = new Vector2(180.0f, 0.0f);
wheelConstraint.DisableCollision = true; // Let the wheel intersect the vehicle hull
}
public override void SetTo(CollisionShape shapeComponent)
{
shapeComponent.SetSphere(diameter, position, rotation);
}