mirror of
https://github.com/NGSolve/netgen.git
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111 lines
2.2 KiB
C++
111 lines
2.2 KiB
C++
#include <meshing.hpp>
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#include <geometry2d.hpp>
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#include <visual.hpp>
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#include "vsgeom2d.hpp"
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namespace netgen
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{
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/* *********************** Draw 2D Geometry **************** */
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VisualSceneGeometry2d :: VisualSceneGeometry2d ()
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: VisualScene()
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{
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;
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}
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VisualSceneGeometry2d :: ~VisualSceneGeometry2d ()
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{
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;
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}
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void VisualSceneGeometry2d :: DrawScene ()
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{
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if (changeval != geometry2d->GetSplines().Size())
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BuildScene();
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changeval = geometry2d->GetSplines().Size();
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glClearColor(backcolor, backcolor, backcolor, 1.0);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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SetLight();
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// glEnable (GL_LIGHT0);
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glDisable (GL_LIGHTING);
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glPushMatrix();
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glMultMatrixd (transformationmat);
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// SetClippingPlane ();
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glShadeModel (GL_SMOOTH);
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glEnable (GL_COLOR_MATERIAL);
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glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
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// float mat_col[] = { 0, 0, 1, 1 };
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// glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, mat_col);
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glColor3f (0, 0, 1);
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Array<Point<2> > points, otherpoints;
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for (int i = 1; i <= geometry2d->GetSplines().Size(); i++)
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{
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geometry2d->GetSplines().Get(i)->GetPoints (200, points);
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glBegin (GL_LINE_STRIP);
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for (int j = 0; j < points.Size(); j++)
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glVertex3d (points[j](0), points[j](1), 0);
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glEnd();
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}
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glColor3f (1, 0, 0);
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for (int i = 1; i <= geometry2d->GetSplines().Size(); i++)
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{
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int other = geometry2d->GetSpline(i-1).copyfrom;
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if (other != -1)
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{
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geometry2d->GetSplines().Get(i)->GetPoints (6, points);
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geometry2d->GetSplines().Get(other)->GetPoints (6, otherpoints);
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glBegin (GL_LINES);
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for (int j = 1; j < 5; j++)
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{
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glVertex3d (points[j](0), points[j](1), 0);
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glVertex3d (otherpoints[j](0), otherpoints[j](1), 0);
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}
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glEnd ();
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}
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}
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glPopMatrix();
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DrawCoordinateCross ();
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DrawNetgenLogo ();
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glFinish();
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}
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void VisualSceneGeometry2d :: BuildScene (int zoomall)
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{
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Box<2> bbox;
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geometry2d->GetBoundingBox (bbox);
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Point<2> c = Center (bbox.PMin(), bbox.PMax());
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center = Point3d (c(0), c(1), 0);
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rad = Dist (bbox.PMin(), bbox.PMax()) / 2;
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CalcTransformationMatrices();
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}
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}
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