summaryrefslogtreecommitdiff
path: root/graphics/epix/samples/lissajous.xp
diff options
context:
space:
mode:
authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/epix/samples/lissajous.xp
Initial commit
Diffstat (limited to 'graphics/epix/samples/lissajous.xp')
-rw-r--r--graphics/epix/samples/lissajous.xp28
1 files changed, 28 insertions, 0 deletions
diff --git a/graphics/epix/samples/lissajous.xp b/graphics/epix/samples/lissajous.xp
new file mode 100644
index 0000000000..c713d760bb
--- /dev/null
+++ b/graphics/epix/samples/lissajous.xp
@@ -0,0 +1,28 @@
+/* -*-ePiX-*- */
+#include "epix.h"
+using namespace ePiX;
+
+P f(double t)
+{
+ return P(Sin(3*t), Sin(4*t));
+}
+
+int main()
+{
+ picture(P(-1,-1), P(1,1), "2 x 2in");
+
+ begin();
+ revolutions();
+
+ bold(Red());
+ plot(f, 0, 1, 200);
+
+ arrow_inset(0.2);
+ arrow_width(1.5);
+
+ plain(Blue());
+ tan_field(f, 0, 1, 81);
+
+ end();
+}
+