//Куб в параллельной проекции
public Bitmap drawCubeParal(Point drawOrigin)
{
//точки куба, которые конвертируем в 2д
PointF[] point2Dconvert = new PointF[8];
Point3D[] cubePoints = fillCubeVertices(Width, Height, Depth);
//изменение положения точек при повороте
cubePoints = TransformCube.RotateX(cubePoints, RotateX);
cubePoints = TransformCube.RotateY(cubePoints, RotateY);
cubePoints = TransformCube.RotateZ(cubePoints, RotateZ);
Point3D vec;
for (int i = 0; i < point2Dconvert.Length; i++)
{
vec = cubePoints[i];
point2Dconvert[i].X = (int)(vec.X + drawOrigin.X);
point2Dconvert[i].Y = (int)(vec.Y + drawOrigin.Y);
}
var tmpBmp = draw2DCube(point2Dconvert, drawOrigin, cubePoints);
return(tmpBmp);
}
//Куб в перспективной проекции
public Bitmap drawCubePersp(Point drawOrigin)
{
PointF[] point2Dconvert = new PointF[8];
Point3D[] cubePoints = fillCubeVertices(Width, Height, Depth);
//изменение положения точек при повороте
cubePoints = TransformCube.RotateX(cubePoints, RotateX);
cubePoints = TransformCube.RotateY(cubePoints, RotateY);
cubePoints = TransformCube.RotateZ(cubePoints, RotateZ);
//Перевод 3д точек в 2д
Point3D vec;
for (int i = 0; i < point2Dconvert.Length; i++)
{
vec = cubePoints[i];
point2Dconvert[i].X = (int)((vec.X * camera1.Position.Z - vec.Z * camera1.Position.X) / (camera1.Position.Z - vec.Z) + drawOrigin.X);
point2Dconvert[i].Y = (int)((vec.Y * camera1.Position.Z - vec.Z * camera1.Position.Y) / (camera1.Position.Z - vec.Z) + drawOrigin.Y);
}
var tmpBmp = draw2DCube(point2Dconvert, drawOrigin, cubePoints);
return(tmpBmp);
}
