worldvector.java.svn-base

這是一個JAVA語言寫的多代理人程式用來模擬飛機起飛或是降落的程式

package base;

/**
 * CSCI 201 FAA Project - Spring 2009 - Team 4c
 * 
 * World Vector.
 * 
 * @author Josh Villbrandt
 */
public class WorldVector {
	public double x = 0;
	public double y = 0;
	public double z = 0;
	public boolean forceUnitVector = false;
	
	public WorldVector() {
	}
	
	public WorldVector(double x, double y, double z) {
		this.x = x;
		this.y = y;
		this.z = z;
	}
	
	public WorldVector(WorldVector v) {
		x = v.x;
		y = v.y;
		z = v.z;
	}
	
	public WorldVector(WorldVector v, int addToX, int addToY, int addToZ) {
		x = v.x + addToX;
		y = v.y + addToY;
		z = v.z + addToZ;
	}
	
	public WorldVector(boolean forceUnitVector) {
		x = y = z = 1;
		this.forceUnitVector = forceUnitVector;
	}
	
	public WorldVector(double x, double y, double z, boolean forceUnitVector) {
		this.x = x;
		this.y = y;
		this.z = z;
		this.forceUnitVector = forceUnitVector;
		forceUnitVector();
	}
	
	public WorldVector(WorldVector v, boolean forceUnitVector) {
		x = v.x;
		y = v.y;
		z = v.z;
		this.forceUnitVector = forceUnitVector;
		forceUnitVector();
	}
	
	public WorldVector(WorldVector v, double addToX, double addToY, double addToZ, boolean forceUnitVector) {
		x = v.x + addToX;
		y = v.y + addToY;
		z = v.z + addToZ;
		this.forceUnitVector = forceUnitVector;
		forceUnitVector();
	}
	
	/** Multiplication. */
	public WorldVector times(double factor) {
		return new WorldVector(x*factor, y*factor, z*factor);
	}
	
	/** Addition. */
	public WorldVector plus(WorldVector v) {
		return new WorldVector(x+v.x, y+v.y, z+v.z);
	}
	
	/** Cross Product. */
	public WorldVector cross(WorldVector v) {
		return new WorldVector(y*v.z-z*v.y, z*v.x-x*v.z, x*v.y-y*v.x);
	}
	
	/** Dot Product. */
	public WorldVector dot(WorldVector v) {
		return new WorldVector(x*v.x, y*v.y, z*v.z);
	}
	
	/** Magnitude. */
	public double magnitude() {
		return Math.sqrt(x*x + y*y + z*z);
	}
	
	/** Normalize. */
	public WorldVector normalize() {
		return this.times(1 / this.magnitude());
	}
	
	/** Convert toCartesianVector */
	/*public SphericalVector toSphericalVector() {
		double rho = this.magnitude();
		double phi = Math.atan(y / x);
		double theta = Math.acos(z / this.magnitude());
		
		return new SphericalVector(rho, phi, theta);
	}*/
	
	/** toString */
	public String toString() {
		return "[" + x + ", " + y + ", " + z + "]";
	}
	
	private void forceUnitVector() {
		if(forceUnitVector) {
			WorldVector normalized = this.normalize();
			x = normalized.x;
			y = normalized.y;
			z = normalized.z;
		}
	}
	
	public boolean equals(WorldVector compare){
		if(this.x==compare.x && this.y==compare.y && this.z==compare.z)
			return true;
		else
			return false;
	}
}