commit 7b4516e7ea552ad08d6e7277d311ef11bd8f12e8
author ztenghui <ztenghui@google.com> Tue Jan 07 10:42:55 2014 -0800
committer ztenghui <ztenghui@google.com> Fri Jan 10 17:18:53 2014 -0800
tree a97549bff020af39946aabd5a5c27c1151a90539
parent 0ffd9ca5798d6c55d2a02f453dd181899639dce2

Calculate and show the shadow from a spot light.

Change-Id: Ia558852e8cde5d33866b22875eb501e4c6858819

libs/hwui/Vector.h

diff --git a/libs/hwui/Vector.h b/libs/hwui/Vector.h
index 5110272..15b9d6b 100644
--- a/libs/hwui/Vector.h
+++ b/libs/hwui/Vector.h
@@ -36,6 +36,10 @@
         x(px), y(py) {
     }
 
+    float lengthSquared() const {
+        return x * x + y * y;
+    }
+
     float length() const {
         return sqrt(x * x + y * y);
     }