void CreateCharacter()
{
var cache = ResourceCache;
Node objectNode = scene.CreateChild("Jack");
objectNode.Position = (new Vector3(0.0f, 1.0f, 0.0f));
// Create the rendering component + animation controller
AnimatedModel obj = objectNode.CreateComponent<AnimatedModel>();
obj.Model = cache.GetModel("Models/Jack.mdl");
obj.SetMaterial(cache.GetMaterial("Materials/Jack.xml"));
obj.CastShadows = true;
objectNode.CreateComponent<AnimationController>();
// Set the head bone for manual control
//obj.Skeleton.GetBoneSafe("Bip01_Head").Animated = false;
// Create rigidbody, and set non-zero mass so that the body becomes dynamic
RigidBody body = objectNode.CreateComponent<RigidBody>();
body.CollisionLayer = 1;
body.Mass = 1.0f;
// Set zero angular factor so that physics doesn't turn the character on its own.
// Instead we will control the character yaw manually
body.SetAngularFactor(Vector3.Zero);
// Set the rigidbody to signal collision also when in rest, so that we get ground collisions properly
body.CollisionEventMode = CollisionEventMode.Always;
// Set a capsule shape for collision
CollisionShape shape = objectNode.CreateComponent<CollisionShape>();
shape.SetCapsule(0.7f, 1.8f, new Vector3(0.0f, 0.9f, 0.0f), Quaternion.Identity);
// Create the character logic component, which takes care of steering the rigidbody
// Remember it so that we can set the controls. Use a WeakPtr because the scene hierarchy already owns it
// and keeps it alive as long as it's not removed from the hierarchy
character = new Character();
objectNode.AddComponent(character);
}
protected override void OnUpdate(float timeStep)
{
Input input = Input;
if (character != null)
{
// Clear previous controls
character.Controls.Set(CtrlForward | CtrlBack | CtrlLeft | CtrlRight | CtrlJump, false);
// Update controls using touch utility class
touch?.UpdateTouches(character.Controls);
// Update controls using keys
if (UI.FocusElement == null)
{
if (touch == null || !touch.UseGyroscope)
{
character.Controls.Set(CtrlForward, input.GetKeyDown(Key.W));
character.Controls.Set(CtrlBack, input.GetKeyDown(Key.S));
character.Controls.Set(CtrlLeft, input.GetKeyDown(Key.A));
character.Controls.Set(CtrlRight, input.GetKeyDown(Key.D));
}
character.Controls.Set(CtrlJump, input.GetKeyDown(Key.Space));
// Add character yaw & pitch from the mouse motion or touch input
if (TouchEnabled)
{
for (uint i = 0; i < input.NumTouches; ++i)
{
TouchState state = input.GetTouch(i);
if (state.TouchedElement == null) // Touch on empty space
{
Camera camera = CameraNode.GetComponent<Camera>();
if (camera == null)
return;
var graphics = Graphics;
character.Controls.Yaw += TouchSensitivity * camera.Fov / graphics.Height * state.Delta.X;
character.Controls.Pitch += TouchSensitivity * camera.Fov / graphics.Height * state.Delta.Y;
}
}
}
else
{
character.Controls.Yaw += (float)input.MouseMove.X * YawSensitivity;
character.Controls.Pitch += (float)input.MouseMove.Y * YawSensitivity;
}
// Limit pitch
character.Controls.Pitch = MathHelper.Clamp(character.Controls.Pitch, -80.0f, 80.0f);
// Switch between 1st and 3rd person
if (input.GetKeyPress(Key.F))
firstPerson = !firstPerson;
// Turn on/off gyroscope on mobile platform
if (touch != null && input.GetKeyPress(Key.G))
touch.UseGyroscope = !touch.UseGyroscope;
if (input.GetKeyPress(Key.F5))
{
scene.SaveXml(FileSystem.ProgramDir + "Data/Scenes/CharacterDemo.xml", "\t");
}
if (input.GetKeyPress(Key.F7))
{
scene.LoadXml(FileSystem.ProgramDir + "Data/Scenes/CharacterDemo.xml");
Node characterNode = scene.GetChild("Jack", true);
if (characterNode != null)
{
character = characterNode.GetComponent<Character>();
}
physicsWorld = scene.CreateComponent<PhysicsWorld>();
physicsWorld.SubscribeToPhysicsPreStep(HandlePhysicsPreStep);
}
}
// Set rotation already here so that it's updated every rendering frame instead of every physics frame
if (character != null)
character.Node.Rotation = Quaternion.FromAxisAngle(Vector3.UnitY, character.Controls.Yaw);
}
}
