@@ 11,6 11,7 @@ import com.badlogic.gdx.graphics.glutils
 import com.badlogic.gdx.math.Polygon;
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.scenes.scene2d.utils.UIUtils;
+import com.badlogic.gdx.utils.FloatArray;
 import com.badlogic.gdx.utils.viewport.ScreenViewport;
 import com.badlogic.gdx.utils.viewport.Viewport;
 import net.dermetfan.gdx.math.GeometryUtils;

          
@@ 21,6 22,7 @@ public class SutherlandHodgmanTest exten
 	ShapeRenderer sr = new ShapeRenderer();
 
 	Polygon polygon = new Polygon(new float[] {0, 0, 125f, 125f, 250, 0, 250, 250, 0, 500} /* ccw */), clipPolygon = new Polygon(new float[] {0, 0, 0, 250, 250, 250, 250, 0} /* cw */);
+	FloatArray clipped = new FloatArray(polygon.getVertices().length);
 
 	public SutherlandHodgmanTest() {
 		Vector2 centroid = new Vector2();

          
@@ 36,11 38,11 @@ public class SutherlandHodgmanTest exten
 			@Override
 			public boolean keyTyped(char character) {
 				if(character == 'c') {
-					float[] clipped = GeometryUtils.clip(polygon.getTransformedVertices(), clipPolygon.getTransformedVertices());
+					GeometryUtils.clip(polygon.getTransformedVertices(), clipPolygon.getTransformedVertices(), clipped);
 					GeometryUtils.reset(polygon);
-					polygon.setVertices(clipped);
+					polygon.setVertices(clipped.toArray());
 					Vector2 centroid = new Vector2();
-					com.badlogic.gdx.math.GeometryUtils.polygonCentroid(clipped, 0, clipped.length, centroid);
+					com.badlogic.gdx.math.GeometryUtils.polygonCentroid(polygon.getVertices(), 0, polygon.getVertices().length, centroid);
 					polygon.setOrigin(centroid.x, centroid.y);
 					return true;
 				}