RayConfigurationBase.java

/*******************************************************************************
 * Copyright 2014 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.ai.steer.utils.rays;

import com.badlogic.gdx.ai.steer.Steerable;
import com.badlogic.gdx.ai.steer.utils.RayConfiguration;
import com.badlogic.gdx.ai.utils.Ray;
import com.badlogic.gdx.math.Vector;

/** {@code RayConfigurationBase} is the base class for concrete ray configurations having a fixed number of rays.
 * 
 * @param <T> Type of vector, either 2D or 3D, implementing the {@link Vector} interface
 * 
 * @author davebaol */
public abstract class RayConfigurationBase<T extends Vector<T>> implements RayConfiguration<T> {

	protected Steerable<T> owner;
	protected Ray<T>[] rays;

	/** Creates a {@code RayConfigurationBase} for the given owner and the specified number of rays.
	 * @param owner the owner of this configuration
	 * @param numRays the number of rays used by this configuration */
	@SuppressWarnings("unchecked")
	public RayConfigurationBase (Steerable<T> owner, int numRays) {
		this.owner = owner;
		this.rays = new Ray[numRays];
		for (int i = 0; i < numRays; i++)
			this.rays[i] = new Ray<T>(owner.getPosition().cpy().setZero(), owner.getPosition().cpy().setZero());
	}

	/** Returns the owner of this configuration. */
	public Steerable<T> getOwner () {
		return owner;
	}

	/** Sets the owner of this configuration. */
	public void setOwner (Steerable<T> owner) {
		this.owner = owner;
	}

	/** Returns the rays of this configuration. */
	public Ray<T>[] getRays () {
		return rays;
	}

	/** Sets the rays of this configuration. */
	public void setRays (Ray<T>[] rays) {
		this.rays = rays;
	}

}