Android Open Source - Schooner-3D Collision

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2012 Dan Mercer// w  ww .j av a 2  s  .  co m
 * 
 * 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.supermercerbros.gameengine.collision;

import java.util.Collections;
import java.util.List;

public class Collision extends Throwable {
  private static final long serialVersionUID = -1094129965156016258L;
  
  /**
   * An <b>unmodifiable</b> List of Points where intersection occurs.
   */
  public final List<Point> points;
  /**
   * The vector representing the normal of collision. Since only one collision
   * can occur between two convex objects, there is only one vector while
   * there may be many points of collision. This Vector is given in global
   * coordinates, and is the average of {@link Collision#normalReference}'s
   * normals at the points of collision.
   */
  public final Vector vector;

  /**
   * The Collider whose normals were used when calculating
   * {@link #vector};
   */
  public final Collider normalReference;

  public Collision(Vector normal, Collider normalReference, List<Point> points) {
    this.points = Collections.unmodifiableList(points);
    this.vector = normal;
    this.normalReference = normalReference;
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder("Collision {");
    sb.append("\n\t" + vector);
    for (final Point p : points) {
      sb.append("\n\t" + p);
    }
    sb.append("}");
    return sb.toString();
  }

}

Java Source Code List

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