Changeset 5379 for anuga_work/development/anugavis/src/camera.c

Timestamp:

May 29, 2008, 11:10:25 AM (16 years ago)

Author:

jack

Message:

Got camera zoom working.

File:

• anuga_work/development/anugavis/src/camera.c (modified) (1 diff)

anuga_work/development/anugavis/src/camera.c

@@ -80 +80 @@
   vadd(anugavis.focus, dir, anugavis.focus);
 }
+
+void camera_zoom(float dist){
+  vector releye;
+  float len;
+  vsub(anugavis.focus, anugavis.eye, releye);
+  if((len = vlen(releye)) < dist) return;
+  vscale(releye, dist/len, releye);
+  vadd(anugavis.eye, releye, anugavis.eye);
+}