com.badlogic.gdx.physics.box2d.Shape.java Source code

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Here is the source code for com.badlogic.gdx.physics.box2d.Shape.java

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/*******************************************************************************
 * 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();
}