1 files changed, 42 insertions, 0 deletions
diff --git a/src/gui/util.cc b/src/gui/util.cc
new file mode 100644
index 0000000..a92d5be
--- /dev/null
+++ b/src/gui/util.cc
@@ -0,0 +1,42 @@
+/*
+ * util.cc
+ *
+ *  Created on: Apr 2, 2011
+ *      Author: jakob
+ */
+#include <QtOpenGL>
+
+namespace vhc {
+namespace util {
+
+void torus(double R, double r, double fraction, int slices, int stacks) {
+   int i, j, k;
+   double s, t, x, y, z, twopi;
+
+   twopi = 2 * M_PI;
+   for (i = 0; i < slices; i++) {
+      glBegin(GL_QUAD_STRIP);
+      for (j = 0; j <= stacks * fraction ; j++) {
+         for (k = 1; k >= 0; k--) {
+            s = (i + k) % slices + 0.5;
+            t = j % stacks;
+
+            x = (R+r*cos(s*twopi/slices))*cos(t*twopi/stacks);
+            y = (R+r*cos(s*twopi/slices))*sin(t*twopi/stacks);
+            z = r * sin(s * twopi / slices);
+            glColor3d(0, s/slices, t/slices);
+            glVertex3f(x, y, z);
+         }
+      }
+      glEnd();
+   }
+}
+
+void cylinder(double base, double top, double height, int slices, int stacks) {
+	GLUquadric* q = gluNewQuadric();
+	gluCylinder(q, base, top, height, slices, stacks);
+	gluDeleteQuadric(q);
+}
+
+}
+}