public static Body Create(int segments, double radius, double height)
{
var creator = new GraphicsCreator();
double alpha = 2.0 * Math.PI / segments;
double half = height / 2.0;
double z0 = -half;
double z1 = half;
creator.AddFace(false, false);
for (int i = 0; i < segments; i++)
{
double x0 = (Math.Sin(i * alpha) * radius);
double y0 = (Math.Cos(i * alpha) * radius);
double x1 = (Math.Sin((i + 1) * alpha) * radius);
double y1 = (Math.Cos((i + 1) * alpha) * radius);
var p1 = new Position3D(x0, y0, z0);
var p2 = new Position3D(x0, y0, z1);
var p3 = new Position3D(x1, y1, z0);
var p4 = new Position3D(x1, y1, z1);
creator.AddTriangle(p1, p2, p3);
creator.AddTriangle(p3, p2, p4);
}
creator.AddFace(true, false);
for (int i = 0; i < segments; i++)
{
double x0 = (Math.Sin(i * alpha) * radius);
double y0 = (Math.Cos(i * alpha) * radius);
double x1 = (Math.Sin(((i + 1) * alpha).Modulo2Pi()) * radius);
double y1 = (Math.Cos(((i + 1) * alpha).Modulo2Pi()) * radius);
double x2 = 0.0;
double y2 = 0.0;
var p1 = new Position3D(x0, y0, z1);
var p2 = new Position3D(x1, y1, z1);
var p3 = new Position3D(x2, y2, z1);
creator.AddTriangle(p1, p3, p2);
}
creator.AddFace(true, false);
for (int i = 0; i < segments; i++)
{
double x0 = (Math.Sin(i * alpha) * radius);
double y0 = (Math.Cos(i * alpha) * radius);
double x1 = (Math.Sin(((i + 1) * alpha).Modulo2Pi()) * radius);
double y1 = (Math.Cos(((i + 1) * alpha).Modulo2Pi()) * radius);
double x2 = 0.0;
double y2 = 0.0;
var p1 = new Position3D(x0, y0, z0);
var p2 = new Position3D(x1, y1, z0);
var p3 = new Position3D(x2, y2, z0);
creator.AddTriangle(p1, p2, p3);
}
var body = creator.CreateBody();
return(body);
}
public static Body Create(int segments, double radius1, double radius2, double length, double depth)
{
var creator = new GraphicsCreator();
var topLoop = CreateTopBottomFace(segments, radius1, radius2, length, depth, depth, creator, true);
var bottomLoop = CreateTopBottomFace(segments, radius1, radius2, length, depth, 0.0, creator, false);
CreateSideFace(topLoop, bottomLoop, creator);
var body = creator.CreateBody();
return(body);
}
public static Body Create(double size)
{
size = size > 0 ? size / 2.0 : 0.5;
var p1 = new Position3D(-size, -size, -size);
var p2 = new Position3D(size, -size, -size);
var p3 = new Position3D(size, -size, size);
var p4 = new Position3D(-size, -size, size);
var p5 = new Position3D(-size, size, -size);
var p6 = new Position3D(size, size, -size);
var p7 = new Position3D(size, size, size);
var p8 = new Position3D(-size, size, size);
var creator = new GraphicsCreator();
// South
creator.AddFace(true, false);
creator.AddTriangle(p1, p2, p3);
creator.AddTriangle(p3, p4, p1);
// East
creator.AddFace(true, false);
creator.AddTriangle(p2, p6, p7);
creator.AddTriangle(p7, p3, p2);
// North
creator.AddFace(true, false);
creator.AddTriangle(p6, p5, p8);
creator.AddTriangle(p8, p7, p6);
// West
creator.AddFace(true, false);
creator.AddTriangle(p5, p1, p4);
creator.AddTriangle(p4, p8, p5);
// Top
creator.AddFace(true, false);
creator.AddTriangle(p4, p3, p7);
creator.AddTriangle(p7, p8, p4);
// Bottom
creator.AddFace(true, false);
creator.AddTriangle(p2, p1, p5);
creator.AddTriangle(p5, p6, p2);
var body = creator.CreateBody();
return(body);
}
public static Body Create(
int segments1,
int segments2,
double radius1,
double radius2,
bool hasBorder1,
bool hasBorder2,
bool facetted1,
bool facetted2,
double length,
double depth,
Matrix44D originFrame)
{
var creator = new GraphicsCreator();
creator.SetOriginFrame(originFrame);
var(topLoop1, topLoop2) = CreateTopBottomFace(segments1, segments2, radius1, radius2, length, depth, depth, creator, true);
var(bottomLoop1, bottomLoop2) = CreateTopBottomFace(segments1, segments2, radius1, radius2, length, depth, 0.0, creator, false);
CreateSideFace(topLoop1, topLoop2, bottomLoop1, bottomLoop2, hasBorder1, hasBorder2, facetted1, facetted2, creator);
var body = creator.CreateBody();
return(body);
}
public static Body Create(int count, double size)
{
var creator = new GraphicsCreator();
var positions = CreatePositions(count, size);
for (var y = 0; y < count; y++)
{
for (var x = 0; x < count; x++)
{
var point1 = positions[x][y];
var point2 = positions[x][y + 1];
var point3 = positions[x + 1][y + 1];
var point4 = positions[x + 1][y];
creator.AddFace(true, false);
creator.AddTriangle(point1, point2, point4);
creator.AddTriangle(point3, point4, point2);
}
}
size = size * count;
size = size > 0 ? size / 2.0 : 0.5;
var hight = 2;
var p1 = new Position3D(-size, -size, -hight);
var p2 = new Position3D(size, -size, -hight);
var p3 = new Position3D(size, -size, 0);
var p4 = new Position3D(-size, -size, 0);
var p5 = new Position3D(-size, size, -hight);
var p6 = new Position3D(size, size, -hight);
var p7 = new Position3D(size, size, 0);
var p8 = new Position3D(-size, size, 0);
// South
creator.AddFace(true, false);
creator.AddTriangle(p1, p2, p3);
creator.AddTriangle(p3, p4, p1);
// East
creator.AddFace(true, false);
creator.AddTriangle(p2, p6, p7);
creator.AddTriangle(p7, p3, p2);
// North
creator.AddFace(true, false);
creator.AddTriangle(p6, p5, p8);
creator.AddTriangle(p8, p7, p6);
// West
creator.AddFace(true, false);
creator.AddTriangle(p5, p1, p4);
creator.AddTriangle(p4, p8, p5);
// Bottom
creator.AddFace(true, false);
creator.AddTriangle(p2, p1, p5);
creator.AddTriangle(p5, p6, p2);
var body = creator.CreateBody();
return(body);
}