void CharacterDemo::CreateCharacter()
{
ResourceCache* cache = GetSubsystem<ResourceCache>();
Node* objectNode = scene_->CreateChild("Jack");
objectNode->SetPosition(Vector3(0.0f, 1.0f, 0.0f));
// spin node
Node* adjustNode = objectNode->CreateChild("AdjNode");
adjustNode->SetRotation( Quaternion(180, Vector3(0,1,0) ) );
// Create the rendering component + animation controller
AnimatedModel* object = adjustNode->CreateComponent<AnimatedModel>();
object->SetModel(cache->GetResource<Model>("Models/Mutant/Mutant.mdl"));
object->SetMaterial(cache->GetResource<Material>("Models/Mutant/Materials/mutant_M.xml"));
object->SetCastShadows(true);
adjustNode->CreateComponent<AnimationController>();
// Set the head bone for manual control
object->GetSkeleton().GetBone("Mutant:Head")->animated_ = false;
// Create rigidbody, and set non-zero mass so that the body becomes dynamic
RigidBody* body = objectNode->CreateComponent<RigidBody>();
body->SetCollisionLayer(1);
body->SetMass(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->SetCollisionEventMode(COLLISION_ALWAYS);
// Set a capsule shape for collision
CollisionShape* shape = objectNode->CreateComponent<CollisionShape>();
shape->SetCapsule(0.7f, 1.8f, Vector3(0.0f, 0.9f, 0.0f));
// 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_ = objectNode->CreateComponent<Character>();
}
void PhysicsStressTest::CreateScene()
{
ResourceCache* cache = GetSubsystem<ResourceCache>();
scene_ = new Scene(context_);
// Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
// Create a physics simulation world with default parameters, which will update at 60fps. Like the Octree must
// exist before creating drawable components, the PhysicsWorld must exist before creating physics components.
// Finally, create a DebugRenderer component so that we can draw physics debug geometry
scene_->CreateComponent<Octree>();
scene_->CreateComponent<PhysicsWorld>();
scene_->CreateComponent<DebugRenderer>();
// Create a Zone component for ambient lighting & fog control
Node* zoneNode = scene_->CreateChild("Zone");
Zone* zone = zoneNode->CreateComponent<Zone>();
zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
zone->SetFogStart(100.0f);
zone->SetFogEnd(300.0f);
// Create a directional light to the world. Enable cascaded shadows on it
Node* lightNode = scene_->CreateChild("DirectionalLight");
lightNode->SetDirection(Vector3(0.6f, -1.0f, 0.8f));
Light* light = lightNode->CreateComponent<Light>();
light->SetLightType(LIGHT_DIRECTIONAL);
light->SetCastShadows(true);
light->SetShadowBias(BiasParameters(0.00025f, 0.5f));
// Set cascade splits at 10, 50 and 200 world units, fade shadows out at 80% of maximum shadow distance
light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));
{
// Create a floor object, 500 x 500 world units. Adjust position so that the ground is at zero Y
Node* floorNode = scene_->CreateChild("Floor");
floorNode->SetPosition(Vector3(0.0f, -0.5f, 0.0f));
floorNode->SetScale(Vector3(500.0f, 1.0f, 500.0f));
StaticModel* floorObject = floorNode->CreateComponent<StaticModel>();
floorObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
floorObject->SetMaterial(cache->GetResource<Material>("Materials/StoneTiled.xml"));
// Make the floor physical by adding RigidBody and CollisionShape components
RigidBody* body = floorNode->CreateComponent<RigidBody>();
CollisionShape* shape = floorNode->CreateComponent<CollisionShape>();
shape->SetBox(Vector3::ONE);
}
{
// Create static mushrooms with triangle mesh collision
const unsigned NUM_MUSHROOMS = 50;
for (unsigned i = 0; i < NUM_MUSHROOMS; ++i)
{
Node* mushroomNode = scene_->CreateChild("Mushroom");
mushroomNode->SetPosition(Vector3(Random(400.0f) - 200.0f, 0.0f, Random(400.0f) - 200.0f));
mushroomNode->SetRotation(Quaternion(0.0f, Random(360.0f), 0.0f));
mushroomNode->SetScale(5.0f + Random(5.0f));
StaticModel* mushroomObject = mushroomNode->CreateComponent<StaticModel>();
mushroomObject->SetModel(cache->GetResource<Model>("Models/Mushroom.mdl"));
mushroomObject->SetMaterial(cache->GetResource<Material>("Materials/Mushroom.xml"));
mushroomObject->SetCastShadows(true);
RigidBody* body = mushroomNode->CreateComponent<RigidBody>();
CollisionShape* shape = mushroomNode->CreateComponent<CollisionShape>();
// By default the highest LOD level will be used, the LOD level can be passed as an optional parameter
shape->SetTriangleMesh(mushroomObject->GetModel());
}
}
{
// Create a large amount of falling physics objects
const unsigned NUM_OBJECTS = 1000;
for (unsigned i = 0; i < NUM_OBJECTS; ++i)
{
Node* boxNode = scene_->CreateChild("Box");
boxNode->SetPosition(Vector3(0.0f, i * 2.0f + 100.0f, 0.0f));
StaticModel* boxObject = boxNode->CreateComponent<StaticModel>();
boxObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
boxObject->SetMaterial(cache->GetResource<Material>("Materials/StoneSmall.xml"));
boxObject->SetCastShadows(true);
// Give the RigidBody mass to make it movable and also adjust friction
RigidBody* body = boxNode->CreateComponent<RigidBody>();
body->SetMass(1.0f);
body->SetFriction(1.0f);
// Disable collision event signaling to reduce CPU load of the physics simulation
body->SetCollisionEventMode(COLLISION_NEVER);
CollisionShape* shape = boxNode->CreateComponent<CollisionShape>();
shape->SetBox(Vector3::ONE);
}
}
// Create the camera. Limit far clip distance to match the fog. Note: now we actually create the camera node outside
// the scene, because we want it to be unaffected by scene load / save
cameraNode_ = new Node(context_);
Camera* camera = cameraNode_->CreateComponent<Camera>();
camera->SetFarClip(300.0f);
// Set an initial position for the camera scene node above the floor
cameraNode_->SetPosition(Vector3(0.0f, 3.0f, -20.0f));
}