Improvement: Inverse Kinematics now breaks the iteration if the computed

angle change drops below some minimal level.

jme3-blender/src/main/java/com/jme3/scene/plugins/blender/constraints/definitions/ConstraintDefinitionIK.java

@@ -26,6 +26,7 @@ import com.jme3.scene.plugins.blender.math.Vector3d;
  */
 public class ConstraintDefinitionIK extends ConstraintDefinition {
     private static final float MIN_DISTANCE     = 0.001f;
+    private static final float MIN_ANGLE_CHANGE = 0.001f;
     private static final int   FLAG_USE_TAIL    = 0x01;
     private static final int   FLAG_POSITION    = 0x20;
 
@@ -117,7 +118,9 @@ public class ConstraintDefinitionIK extends ConstraintDefinition {
             Matrix J_1 = J.pseudoinverse();
 
             SimpleMatrix deltaThetas = J_1.mult(deltaP);
-
+            if (deltaThetas.elementMaxAbs() < MIN_ANGLE_CHANGE) {
+                break;
+            }
             for (int j = 0; j < deltaThetas.numRows(); ++j) {
                 double angle = deltaThetas.get(j, 0);
                 Vector3d rotationVector = rotationVectors[j];