com.badlogic.gdx.ai.steer.utils.rays.SingleRayConfiguration Maven / Gradle / Ivy
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* 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
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package com.badlogic.gdx.ai.steer.utils.rays;
import com.badlogic.gdx.ai.steer.Steerable;
import com.badlogic.gdx.ai.utils.Ray;
import com.badlogic.gdx.math.Vector;
/** As the name suggests, a {@code SingleRayConfiguration} uses just one ray cast.
*
* This configuration is useful in concave environments but grazes convex obstacles. It is not susceptible to the corner trap, though.
*
* @param Type of vector, either 2D or 3D, implementing the {@link Vector} interface
*
* @author davebaol */
public class SingleRayConfiguration> extends RayConfigurationBase {
private float length;
/** Creates a {@code SingleRayConfiguration} for the given owner where the ray has the specified length.
* @param owner the owner of this configuration
* @param length the length of the ray */
public SingleRayConfiguration (Steerable owner, float length) {
super(owner, 1);
this.length = length;
}
@Override
public Ray[] updateRays () {
rays[0].start.set(owner.getPosition());
rays[0].end.set(owner.getLinearVelocity()).nor().scl(length).add(rays[0].start);
return rays;
}
/** Returns the length of the ray. */
public float getLength () {
return length;
}
/** Sets the length of the ray. */
public void setLength (float length) {
this.length = length;
}
}