diff options
| -rw-r--r-- | core/java/android/hardware/SensorManager.java | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/core/java/android/hardware/SensorManager.java b/core/java/android/hardware/SensorManager.java index aeb46cf..b8ad818 100644 --- a/core/java/android/hardware/SensorManager.java +++ b/core/java/android/hardware/SensorManager.java @@ -1122,9 +1122,9 @@ public abstract class SensorManager { /** Helper function to compute the angle change between two rotation matrices. * Given a current rotation matrix (R) and a previous rotation matrix - * (prevR) computes the rotation around the x,y, and z axes which + * (prevR) computes the rotation around the z,x, and y axes which * transforms prevR to R. - * outputs a 3 element vector containing the x,y, and z angle + * outputs a 3 element vector containing the z,x, and y angle * change at indexes 0, 1, and 2 respectively. * <p> Each input matrix is either as a 3x3 or 4x4 row-major matrix * depending on the length of the passed array: @@ -1143,14 +1143,13 @@ public abstract class SensorManager { *</pre> * @param R current rotation matrix * @param prevR previous rotation matrix - * @param angleChange an array of floats in which the angle change is stored + * @param angleChange an an array of floats (z, x, and y) in which the angle change is stored */ public static void getAngleChange( float[] angleChange, float[] R, float[] prevR) { float rd1=0,rd4=0, rd6=0,rd7=0, rd8=0; float ri0=0,ri1=0,ri2=0,ri3=0,ri4=0,ri5=0,ri6=0,ri7=0,ri8=0; float pri0=0, pri1=0, pri2=0, pri3=0, pri4=0, pri5=0, pri6=0, pri7=0, pri8=0; - int i, j, k; if(R.length == 9) { ri0 = R[0]; |