private void CreateSimpleScene()
{
// Plane
TriangleMesh planeMesh = new TriangleMesh();
TriangleMeshFactory.CreateSquare(planeMesh, 2);
TriangleMeshNode planeMeshNode = new TriangleMeshNode(planeMesh);
planeMeshNode.SetColor(Color.Green);
GetRoot().AddChild(planeMeshNode);
// Sphere
TriangleMesh mesh = new TriangleMesh();
TriangleMeshFactory.CreateSphere(mesh, 0.25f, 10);
TriangleMeshNode meshNode = new TriangleMeshNode(mesh);
meshNode.SetColor(Color.Red);
TranslationNode translationNode =
new TranslationNode(new Vector3(0.5f, 0.5f, 0.5f));
translationNode.AddChild(meshNode);
GetRoot().AddChild(translationNode);
GetRoot().LightPosition = new Vector3(0.25f, 1, 0.25f);
GetRoot().Animated = false;
}
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 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 ITriangleMesh CreateMiddle(ITriangleMesh mesh, List <Hexagon> borderHexagons, float sideLength)
{
ITriangleMesh bottomMesh = new TriangleMesh();
foreach (Hexagon hex in borderHexagons)
{
ITriangleMesh hexMesh = hex.GenerateMesh();
TriangleMeshFactory.Flip(hexMesh);
TriangleMeshFactory.Unite(bottomMesh, hexMesh);
}
TriangleMeshFactory.Translate(bottomMesh, new Vector3(0, 0, -sideLength));
return(bottomMesh);
}
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);
}
public ITriangleMesh GenerateIslandMesh()
{
HexagonField field = new HexagonField();
field.GenerateField();
ITriangleMesh mesh = new TriangleMesh();
// Top
ITriangleMesh topMesh = CreateTopSurface(field.GetAllHexagons());
TriangleMeshFactory.Unite(mesh, topMesh);
// Grass
float grassBorderHeight = field.SideLength * 0.1f;
Vector2[] grassBoundaryTexCoords = { new Vector2(0.1f, 0.1f), new Vector2(0.1f, 0.2f), new Vector2(0.2f, 0.1f), new Vector2(0.2f, 0.2f) };
ITriangleMesh grassBoundary = CreateBoundary(mesh, field.SideLength, grassBorderHeight, grassBorderHeight, new Vector3(0, 0, 0), grassBoundaryTexCoords);
TriangleMeshFactory.Unite(mesh, grassBoundary);
// Middle-bottom
ITriangleMesh middleMesh = CreateMiddle(mesh, field.GetBorderHexagons(), field.SideLength);
TriangleMeshFactory.Unite(mesh, middleMesh);
ITriangleMesh bottomMesh = CreateTopSurface(field.GetNonBorderHexagons());
// Mud
float mudHeight = 2 * field.SideLength;
float mudBorderHeight = field.SideLength * 0.3f;
Vector2[] mudBoundaryTexCoords = { new Vector2(0.7f, 0.1f), new Vector2(0.7f, 0.2f), new Vector2(0.8f, 0.1f), new Vector2(0.8f, 0.2f) };
ITriangleMesh mudBoundary = CreateBoundary(bottomMesh, mudHeight, 0, mudBorderHeight, new Vector3(0, 0, 0), mudBoundaryTexCoords);
TriangleMeshFactory.Translate(mudBoundary, new Vector3(0, 0, -field.SideLength));
TriangleMeshFactory.Unite(mesh, mudBoundary);
// Bottom
TriangleMeshFactory.Flip(bottomMesh);
TriangleMeshFactory.Translate(bottomMesh, new Vector3(0, 0, -(mudHeight + field.SideLength)));
TriangleMeshFactory.Unite(mesh, bottomMesh);
mesh = TriangleMeshFactory.Snap(mesh, 1e-5f);
mesh.ComputeTriangleNormals();
mesh.SetTexture(new Texture("textures/island.png"));
return(mesh);
}
/**
* Create the mesh for the top.
* */
private ITriangleMesh CreateTopSurface(List <Hexagon> hexagons)
{
ITriangleMesh mesh = new TriangleMesh();
foreach (Hexagon hex in hexagons)
{
if (!hex.ConsistencyCheck())
{
Console.WriteLine("Inconsistency detected!");
}
ITriangleMesh hexMesh = hex.GenerateMesh();
TriangleMeshFactory.Unite(mesh, hexMesh);
}
mesh = TriangleMeshFactory.Snap(mesh, 1e-5f);
return(mesh);
}
// Base constructor: Timer timeout between two TimerTick events and shader mode (PHONG, TEXTURE, NO_LIGHTING)
public ShadowScene() : base(100, Shader.ShaderMode.PHONG, RenderMode.SHADOW_VOLUME)
{
//CreateCubeRoomScene();
//CreateTriangleMeshScene();
CreateHelicopterForestScene();
//CreateSimpleScene();
//Light
TriangleMesh lightMesh = new TriangleMesh();
TriangleMeshFactory.CreateSphere(lightMesh, 0.02f, 10);
TriangleMeshNode lightMeshNode = new TriangleMeshNode(lightMesh);
lightMeshNode.SetColor(Color.Yellow);
lightMeshNode.CastsShadow = false;
lightNode.AddChild(lightMeshNode);
lightNode.Translation = GetRoot().LightPosition;
GetRoot().AddChild(lightNode);
}
private INode CreateCabin(Vector3 offset)
{
TriangleMesh mesh = new TriangleMesh();
TriangleMeshFactory.CreateSphere(mesh, 0.2f, 20);
TriangleMeshNode node = new TriangleMeshNode(mesh);
TriangleMesh windowMesh = new TriangleMesh();
TriangleMeshFactory.CreateSphere(windowMesh, 0.17f, 20);
TriangleMeshNode windowNode = new TriangleMeshNode(windowMesh);
windowNode.SetColor(Color.LightBlue);
TranslationNode windowTranslation = new TranslationNode(new Vector3(0, 0.01f, -0.05f));
windowTranslation.AddChild(windowNode);
TranslationNode cabin = new TranslationNode(offset);
cabin.AddChild(node);
cabin.AddChild(windowTranslation);
return(cabin);
}
