/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.physics.box2d;
/** A shape is used for collision detection. You can create a shape however you like. Shapes used for simulation in b2World are
* created automatically when a b2Fixture is created. Shapes may encapsulate a one or more child shapes.
*
* NOTE: YOU NEED TO DISPOSE SHAPES YOU CREATED YOURSELF AFTER YOU NO LONGER USE THEM! E.g. after calling body.createFixture();
* @author mzechner */
public abstract class Shape {
/** Enum describing the type of a shape
* @author mzechner */
public enum Type {
Circle, Polygon, Edge, Chain,
};
public final org.jbox2d.collision.shapes.Shape shape;
public Shape (org.jbox2d.collision.shapes.Shape shape) {
this.shape = shape;
}
/** Get the type of this shape. You can use this to down cast to the concrete shape.
* @return the shape type. */
public abstract Type getType ();
/** Returns the radius of this shape */
public abstract float getRadius ();
/** Sets the radius of this shape */
public abstract void setRadius (float radius);
/** Needs to be called when the shape is no longer used, e.g. after a fixture was created based on the shape. */
public void dispose () {
}
/** Get the number of child primitives. */
public abstract int getChildCount ();
}