/// <summary>
/// Creates and returns a Cuboid as DCEL with the given dimensions, centered in the world coordinate system.
/// </summary>
/// <param name="dimensionX">Width in X-dimension.</param>
/// <param name="dimensionY">Height in Y-dimension.</param>
/// <param name="dimensionZ">Depth in Z-dimension.</param>
/// <returns></returns>
public static Geometry CreateCuboidGeometry(float dimensionX, float dimensionY, float dimensionZ)
{
//check input
if (dimensionX <= 0 || dimensionY <= 0 || dimensionZ <= 0)
{
throw new ArgumentException("The dimension values can not be <= 0");
}
var xPos = dimensionX / 2.0f;
var yPos = dimensionY / 2.0f;
var zPos = dimensionZ / 2.0f;
var outlineRectangle = new PolyBoundary //CCW
{
Points = new List <float3>
{
new float3(-xPos, yPos, -zPos),
new float3(-xPos, -yPos, -zPos),
new float3(xPos, -yPos, -zPos),
new float3(xPos, yPos, -zPos)
},
IsOuter = true
};
var outlinesCube = new List <PolyBoundary> {
outlineRectangle
};
var cuboid = new Geometry(outlinesCube);
cuboid.Extrude2DPolygon(dimensionZ, false);
return(cuboid);
}
// Init is called on startup.
public override void Init()
{
var outlineOne = new PolyBoundary //CCW!!
{
Points = new List <float3>
{
new float3(1, 0, 0),
new float3(1.25f, 0.5f, 0.5f),
new float3(1, 1, 1),
new float3(0, 1, 1),
new float3(-0.25f, 0.5f, 0.5f),
new float3(0, 0, 0)
},
IsOuter = true
};
var outlineOneHole = new PolyBoundary //CW!!
{
Points = new List <float3>
{
new float3(0.75f, 0.25f, 0.25f),
new float3(0.25f, 0.25f, 0.25f),
new float3(0.25f, 0.75f, 0.75f),
new float3(0.75f, 0.75f, 0.75f)
},
IsOuter = false
};
var outlineTwo = new PolyBoundary //CCW!!
{
Points = new List <float3>
{
new float3(1, 0, 0),
new float3(1, 0.707f, 0.707f),
new float3(0, 0.707f, 0.707f),
new float3(0, 0, 0)
},
IsOuter = true
};
var outlineThree = new PolyBoundary //CCW!!
{
Points = new List <float3>
{
new float3(0, 0, 0),
new float3(1, 0, 1),
new float3(0, 0.5f, 0.5f)
},
IsOuter = true
};
var geomOutlinesOne = new List <PolyBoundary> {
outlineOne, outlineOneHole
};
var geomOne = new Geometry(geomOutlinesOne);
geomOne.Extrude2DPolygon(0.5f, true);
geomOne.Triangulate();
var meshOne = new JometriMesh(geomOne);
var geomCubeOutlines = new List <PolyBoundary> {
outlineTwo
};
var geomCube = new Geometry(geomCubeOutlines);
geomCube.Extrude2DPolygon(1, false);
//geomCube.Extrude2DPolygon(1, true);
geomCube.Triangulate();
var cube = new JometriMesh(geomCube);
var geomTriangleOutlines = new List <PolyBoundary> {
outlineThree
};
var geomTri = new Geometry(geomTriangleOutlines);
geomTri.Triangulate();
var triangle = new JometriMesh(geomTri);
////////////////// Fill SceneNode ////////////////////////////////
var parentNode = new SceneNode
{
Components = new List <SceneComponent>(),
Children = new ChildList()
};
var parentTrans = new Transform
{
Rotation = float3.Zero,
Scale = float3.One,
Translation = new float3(0, 0, 0)
};
parentNode.Components.Add(parentTrans);
var sceneNodeCOne = new SceneNode {
Components = new List <SceneComponent>()
};
var meshCOne = new Mesh
{
Vertices = meshOne.Vertices,
Triangles = meshOne.Triangles,
Normals = meshOne.Normals,
};
var tranC = new Transform
{
Rotation = float3.Zero,
Scale = float3.One,
Translation = new float3(0, 0, 0)
};
sceneNodeCOne.Components.Add(tranC);
sceneNodeCOne.Components.Add(meshCOne);
///////////////////////////////////////////////////////////
var sceneNodeCCube = new SceneNode {
Components = new List <SceneComponent>()
};
var meshCCube = new Mesh
{
Vertices = cube.Vertices,
Triangles = cube.Triangles,
Normals = cube.Normals,
};
var tranCube = new Transform
{
Rotation = float3.Zero,
Scale = float3.One,
Translation = new float3(-2, -1, 0)
};
sceneNodeCCube.Components.Add(tranCube);
sceneNodeCCube.Components.Add(meshCCube);
//////////////////////////////////////////////////////////////////
var sceneNodeCTri = new SceneNode {
Components = new List <SceneComponent>()
};
var meshCTri = new Mesh
{
Vertices = triangle.Vertices,
Triangles = triangle.Triangles,
Normals = triangle.Normals,
};
var tranTri = new Transform
{
Rotation = float3.Zero,
Scale = float3.One,
Translation = new float3(1.5f, -1, 0)
};
sceneNodeCTri.Components.Add(tranTri);
sceneNodeCTri.Components.Add(meshCTri);
//////////////////////////////////////////////////////////////////
parentNode.Children.Add(sceneNodeCTri);
parentNode.Children.Add(sceneNodeCOne);
parentNode.Children.Add(sceneNodeCCube);
var sc = new SceneContainer {
Children = new List <SceneNode> {
parentNode
}
};
_renderer = new SceneRendererForward(sc);
// Set the clear color for the back buffer to white (100% intensity in all color channels R, G, B, A).
RC.ClearColor = new float4(0, 1, 1, 1);
}