// 3d shapes
public static MeshIndexed MakeCube(float x, float y, float z, Color color)
{
MeshIndexed result = new MeshIndexed();
Point3DF[] points = new Point3DF[8];
// create vertexes
points[0] = new Point3DF(0, 0, 0);
points[1] = new Point3DF(0, y, 0);
points[2] = new Point3DF(x, y, 0);
points[3] = new Point3DF(x, 0, 0);
points[4] = new Point3DF(0, 0, z);
points[5] = new Point3DF(0, y, z);
points[6] = new Point3DF(x, y, z);
points[7] = new Point3DF(x, 0, z);
foreach (Point3DF point in points)
{
result.Vertices.Add(new Vector3Ext(point));
}
// base
result.AddFacet(new Facet(points[0], points[3], points[2]), color);
result.AddFacet(new Facet(points[2], points[1], points[0]), color);
// sides
result.AddFacet(new Facet(points[0], points[4], points[3]), color);
result.AddFacet(new Facet(points[3], points[4], points[7]), color);
result.AddFacet(new Facet(points[0], points[1], points[5]), color);
result.AddFacet(new Facet(points[5], points[4], points[0]), color);
result.AddFacet(new Facet(points[2], points[6], points[5]), color);
result.AddFacet(new Facet(points[5], points[1], points[2]), color);
result.AddFacet(new Facet(points[7], points[6], points[2]), color);
result.AddFacet(new Facet(points[2], points[3], points[7]), color);
// top
result.AddFacet(new Facet(points[4], points[5], points[6]), color);
result.AddFacet(new Facet(points[6], points[7], points[4]), color);
result.Translate(-x / 2, -y / 2, 0);
return(result);
}
// cuboid with hole
//
// _ _
// | \ / |
// | | | |
// | |_| |
// |_____|
//
public static MeshIndexed MakeBucket(float x, float y, float z)
{
MeshIndexed result = new MeshIndexed();
float hole = 1f;
float bevel = 0.3f;
List <CadCommon.Polygon> PolyList = new List <CadCommon.Polygon>();
CadCommon.Polygon poly0 = new CadCommon.Polygon(new List <Point3DF> {
new Point3DF(0, 0, 0),
new Point3DF(0, y, 0),
new Point3DF(x, y, 0),
new Point3DF(x, 0, 0)
});
//PolyList.Add ();
CadCommon.Polygon poly1 = new CadCommon.Polygon(new List <Point3DF> {
new Point3DF(0, 0, z),
new Point3DF(0, y, z),
new Point3DF(x, y, z),
new Point3DF(x, 0, z)
});
float d1 = x / 2 - hole / 2 - bevel;
CadCommon.Polygon poly2 = new CadCommon.Polygon(new List <Point3DF> {
new Point3DF(d1, d1, z),
new Point3DF(d1, y - d1, z),
new Point3DF(x - d1, y - d1, z),
new Point3DF(x - d1, d1, z)
});
d1 = x / 2 - hole / 2;
CadCommon.Polygon poly3 = new CadCommon.Polygon(new List <Point3DF> {
new Point3DF(d1, d1, z - bevel),
new Point3DF(d1, y - d1, z - bevel),
new Point3DF(x - d1, y - d1, z - bevel),
new Point3DF(x - d1, d1, z - bevel)
});
float z1 = 2;
CadCommon.Polygon poly4 = new CadCommon.Polygon(new List <Point3DF> {
new Point3DF(d1, d1, z1),
new Point3DF(d1, y - d1, z1),
new Point3DF(x - d1, y - d1, z1),
new Point3DF(x - d1, d1, z1)
});
// base
result.AddPolygon(poly0);
// sides
Functions3D.StitchPolygons3D(result, new List <CadCommon.Polygon> {
poly0, poly1, poly2, poly3, poly4
});
result.Translate(-x / 2, -y / 2, 0);
return(result);
}