diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl/math')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java b/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java index eeedf531c..3c6a867e6 100644 --- a/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java +++ b/src/jogl/classes/com/jogamp/opengl/math/FloatUtil.java @@ -735,14 +735,20 @@ public final class FloatUtil { * </pre> * </p> * <p> + * To effectively use the generated pick matrix for picking, + * call {@link #makePick(float[], int, float, float, float, float, int[], int, float[]) makePick} + * and multiply a {@link #makePerspective(float[], int, boolean, float, float, float, float) custom perspective matrix} + * by this pick matrix. Then you may load the result onto the perspective matrix stack. + * </p> + * <p> * All matrix fields are set. * </p> * @param m 4x4 matrix in column-major order, result only * @param m_offset offset in given array <i>m</i>, i.e. start of the 4x4 matrix - * @param x - * @param y - * @param deltaX - * @param deltaY + * @param x the center x-component of a picking region in window coordinates + * @param y the center y-component of a picking region in window coordinates + * @param deltaX the width of the picking region in window coordinates. + * @param deltaY the height of the picking region in window coordinates. * @param viewport 4 component viewport vector * @param viewport_offset * @param mat4Tmp temp float[16] storage |