本文整理汇总了C#中PixelBuffer.DrawPolygon3D方法的典型用法代码示例。如果您正苦于以下问题：C# PixelBuffer.DrawPolygon3D方法的具体用法？C# PixelBuffer.DrawPolygon3D怎么用？C# PixelBuffer.DrawPolygon3D使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PixelBuffer的用法示例。
在下文中一共展示了PixelBuffer.DrawPolygon3D方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
//.........这里部分代码省略.........
double normalizerVPN = System.Math.Sqrt(System.Math.Pow(a.VPN_X, 2) + System.Math.Pow(a.VPN_Y, 2) + System.Math.Pow(a.VPN_Z, 2));
double VPN_X = a.VPN_X / normalizerVPN;
double VPN_Y = a.VPN_Y / normalizerVPN;
double VPN_Z = a.VPN_Z / normalizerVPN;
Matrix4<double> cameraRotation = new Matrix4<double>
(
VRR_X, VRR_Y, VRR_Z, 0,
VUP_X, VUP_Y, VUP_Z, 0,
VPN_X, VPN_Y, VPN_Z, 0,
0, 0, 0, 1
);
Matrix4<double> projection;
if (a.IsParallelProjection)
{
projection = Matrix4<double>.GetParallelProjectionMatrix(a.VRC_UMIN, a.VRC_UMAX, a.VRC_VMIN, a.VRC_VMAX, a.PRP_X, a.PRP_Y, a.PRP_Z, 0.6, -0.6);
//projection *= Matrix4<double>.GetPerspectiveProjectionMatrix(a.VRC_UMIN, a.VRC_UMAX, a.VRC_VMIN, a.VRC_VMAX, a.PRP_X, a.PRP_Y, a.PRP_Z, -0.6);
}
else
{
projection = Matrix4<double>.GetPerspectiveProjectionMatrix(a.VRC_UMIN, a.VRC_UMAX, a.VRC_VMIN, a.VRC_VMAX, a.PRP_X, a.PRP_Y, a.PRP_Z, -0.6);
//projection *= Matrix4<double>.GetParallelProjectionMatrix(a.VRC_UMIN, a.VRC_UMAX, a.VRC_VMIN, a.VRC_VMAX, a.PRP_X, a.PRP_Y, a.PRP_Z, 0.6, -0.6);
}
foreach (var p in prims)
{
//Transfrom into canonical orthogonal view volume to perform clipping?? Tried it and didn't get correct results. But this doesn't work either so something else must be wrong...
p.ProjectAndView(cameraTranslation);
p.ProjectAndView(cameraRotation);
p.ProjectAndView(projection);
}
List<Polygon3D> acceptedPolys = new List<Polygon3D>();
//Clip polygons -- this doesn't work
foreach (var p in prims)
{
bool accept = false;
foreach (var v in p)
{
if (v.X > 1 || v.X < -1)
{
accept = false;
}
else if (v.Y > 1 || v.Y < -1)
{
accept = false;
}
else
{
accept = true;
}
}
if (accept)
acceptedPolys.Add(p);
}
//This is the part that I think is wrong but i'm not sure how to correct it. The scaling seems to be fine for parallel but not for perspective and the translation
//is definitely wrong but i'm not sure what it should be. I have these as separate statements instead of matrix multiplication to make it easier to debug
foreach (var p in acceptedPolys)
{
if (a.IsParallelProjection)
{
foreach (var v in p)
{
v.X += 1;
v.Y += 1;
v.X *= (a.XUpper - a.XLower)/2;
v.Y *= (a.YUpper - a.YLower)/2;
v.X += a.VRC_UMIN;
v.Y += a.VRC_VMIN;
}
}
else
{
//p.ProjectAndView(projection);
foreach (var v in p)
{
//Perspective division
v.X /= -v.Z;
v.Y /= -v.Z;
v.X += 1;
v.Y += 1;
v.X *= (a.VP_XUpper - a.VP_XLower) / 2;
v.Y *= (a.VP_YUpper - a.VP_YLower) / 2;
v.X += a.VRC_UMIN;
v.Y += a.VRC_VMIN;
}
}
}
PixelBuffer pb = new PixelBuffer(a.XLower, a.XUpper, a.YLower, a.YUpper, a.VP_XLower, a.VP_XUpper, a.VP_YLower, a.VP_YUpper, a.BackPlaneVRC, a.FrontPlaneVRC);
foreach (var p in acceptedPolys)
{
p.MapToViewPort(PixelBuffer.GetVPMatrix(a.XLower, a.XUpper, a.YLower, a.YUpper, a.VP_XLower, a.VP_XUpper, a.VP_YLower, a.VP_YUpper));
pb.FillPolygon(p);
}
////Draw lines
pb.DrawPolygon3D(acceptedPolys);
Console.Write(pb.WriteToXPM());
}