public INode CreateTree(Vector3 position)
{
TriangleMesh sphereMesh = new TriangleMesh();
TriangleMeshFactory.CreateSphere(sphereMesh, 1.0f, sphereResolution);
TriangleMeshNode sphereNode = new TriangleMeshNode(sphereMesh);
sphereNode.ShowNormals = false;
sphereNode.SetColor(Color.DarkGreen);
ScaleNode sphereScale = new ScaleNode(new Vector3(treeSize / 1.5f, treeSize / 1.5f, treeSize / 1.5f));
sphereScale.AddChild(sphereNode);
TranslationNode sphereTranslation = new TranslationNode(new Vector3(0, 1.5f * treeSize, 0));
sphereTranslation.AddChild(sphereScale);
TriangleMesh cubeMesh = new TriangleMesh();
TriangleMeshFactory.CreateCube(cubeMesh, 1.0f);
TriangleMeshNode cubeNode = new TriangleMeshNode(cubeMesh);
cubeNode.SetColor(Color.Brown);
ScaleNode cubeScale = new ScaleNode(new Vector3(treeSize / 3.0f, treeSize, treeSize / 3.0f));
cubeScale.AddChild(cubeNode);
TranslationNode cubeTranslation = new TranslationNode(new Vector3(0, treeSize / 2.0f, 0));
cubeTranslation.AddChild(cubeScale);
TranslationNode treeNode = new TranslationNode(position);
treeNode.AddChild(sphereTranslation);
treeNode.AddChild(cubeTranslation);
return(treeNode);
}
private void CreateCubeRoomScene()
{
baseLightPosition = new Vector3(0, 0, -0.4f);
ObjReader reader = new ObjReader();
TriangleMesh roomMesh = new TriangleMesh();
reader.Read("meshes/inverse_cube.obj", roomMesh);
TriangleMeshNode roomNode = new TriangleMeshNode(roomMesh);
roomNode.SetColor(Color.Khaki);
roomNode.ShowNormals = false;
ScaleNode roomScale = new ScaleNode(new Vector3(1, 1, 1));
roomScale.AddChild(roomNode);
GetRoot().AddChild(roomScale);
int numberOfObjects = 5;
for (int i = 0; i < numberOfObjects; i++)
{
INode objectNode = CreateObject();
GetRoot().AddChild(objectNode);
}
GetRoot().LightPosition = baseLightPosition;
GetRoot().Animated = false;
}
public Helicopter(Vector3 scale, Vector3 offset)
{
ScaleNode scaleNode = new ScaleNode(scale);
scaleNode.AddChild(CreateCabin(new Vector3(0, 0, 0)));
scaleNode.AddChild(CreateBase(new Vector3(0, -0.19f, 0)));
scaleNode.AddChild(CreateBack(new Vector3(0, 0.1f, 0.35f)));
scaleNode.AddChild(CreateRotor(new Vector3(0, 0.2f, 0)));
scaleNode.AddChild(CreateBackRotor(new Vector3(-0.05f, 0.1f, 0.65f)));
TranslationNode offsetNode = new TranslationNode(offset);
offsetNode.AddChild(scaleNode);
//TriangleMesh dummyCubeMesh = new TriangleMesh();
//TriangleMeshFactory.CreateCube(dummyCubeMesh, 1.0f);
//TriangleMeshNode dummyCubeMeshNode = new TriangleMeshNode(dummyCubeMesh);
//dummyCubeMeshNode.SetColor(Color.Aqua);
//ScaleNode dummyCubeScale = new ScaleNode(new Vector3(0.2f, 0.2f, 0.2f));
//dummyCubeScale.AddChild(dummyCubeMeshNode);
//offsetNode.AddChild(dummyCubeScale);
AddChild(offsetNode);
}
private INode CreateBar(Vector3 orientation, Color color)
{
ScaleNode bar1Scale = new ScaleNode(orientation);
TriangleMesh bar1Mesh = new TriangleMesh();
TriangleMeshFactory.CreateCube(bar1Mesh, 1.0f);
TriangleMeshNode bar1Node = new TriangleMeshNode(bar1Mesh);
bar1Node.SetColor(color);
bar1Scale.AddChild(bar1Node);
return(bar1Scale);
}
public INode CreatePlane()
{
TriangleMesh mesh = new TriangleMesh();
TriangleMeshFactory.CreateCube(mesh, 1.0f);
TriangleMeshNode node = new TriangleMeshNode(mesh);
node.SetColor(Color.DarkGreen);
ScaleNode scaleNode = new ScaleNode(new Vector3(3, 0.02f, 3));
scaleNode.AddChild(node);
return(scaleNode);
}
private INode CreateObject()
{
InnerNode objectNode = new InnerNode();
TriangleMesh mesh = new TriangleMesh();
double randomValue = random.NextDouble();
if (randomValue < 1 / 3.0)
{
TriangleMeshFactory.CreateSphere(mesh, 0.25f, 10);
}
else if (randomValue < 2 / 3.0)
{
TriangleMeshFactory.CreateCube(mesh, 0.25f);
}
else
{
ObjReader reader = new ObjReader();
reader.Read("meshes/cow.obj", mesh);
}
TriangleMeshNode meshNode = new TriangleMeshNode(mesh);
meshNode.SetColor(CreateColor());
ScaleNode scaleNode = new ScaleNode(new Vector3(0.4f, 0.4f, 0.4f));
scaleNode.AddChild(meshNode);
objectNode.AddChild(scaleNode);
float posMin = -0.4f;
Vector3 t = new Vector3((float)(random.NextDouble() * posMin * 2 - posMin),
(float)(random.NextDouble() * posMin * 2 - posMin),
(float)(random.NextDouble() * posMin * 2 - posMin));
TranslationNode translationNode = new TranslationNode(t);
translationNode.AddChild(objectNode);
Vector3 axis = new Vector3((float)(random.NextDouble()) + 0.2f,
(float)(random.NextDouble()) + 0.2f,
(float)(random.NextDouble()) + 0.2f).Normalized();
RotationNode rotationNode = new RotationNode(0, axis);
rotationNode.Animated = true;
rotationNode.AnimationSpeed = 0.01f;
rotationNode.AddChild(translationNode);
Console.WriteLine("Created object: " + t);
return(rotationNode);
}
private INode CreateBackRotor(Vector3 offset)
{
INode rotor = CreateRotor(new Vector3(0, 0, 0));
ScaleNode scaleNode = new ScaleNode(new Vector3(0.5f, 0.5f, 0.5f));
scaleNode.AddChild(rotor);
RotationNode rotationNode = new RotationNode(90.0f, new Vector3(0, 0, 1));
rotationNode.Animated = false;
rotationNode.AddChild(scaleNode);
TranslationNode offsetNode = new TranslationNode(offset);
offsetNode.AddChild(rotationNode);
return(offsetNode);
}