Scene2dSteeringUtils.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.tests.steer.scene2d;

import com.badlogic.gdx.math.Vector2;

public final class Scene2dSteeringUtils {

	private Scene2dSteeringUtils () {
	}

	public static float vectorToAngle (Vector2 vector) {
		return (float)Math.atan2(-vector.x, vector.y);
	}

	public static Vector2 angleToVector (Vector2 outVector, float angle) {
		outVector.x = -(float)Math.sin(angle);
		outVector.y = (float)Math.cos(angle);
		return outVector;
	}

}