Test.java

/*******************************************************************************
 * 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.graphics.g3d;

public class Test {
	public static void main (String[] argv) {
		float accel = 10;
		float time = 0.1f;
		for (int i = 0; i < 10; i++) {
			accel = accel - (accel * 0.1f) * time;
		}
		System.out.println(accel);

// float acc30 = decay(0.1f, 10);
// float acc60 = decay(60, 10);
// System.out.println("decay@30: " + acc30 + ", decay@60: " + acc60);
	}

	public static float decay (float fps, int seconds) {
		float acc = 100;
		float decayRate = 0.1f;

		for (float i = 0; i < fps * seconds; i++) {
			float decay = acc * decayRate;
			acc = acc - decay * (1.0f / fps);
			System.out.println("frame #" + i + ": " + acc);
		}
		return acc;
	}
}