/*
* Copyright (C) 2011-2016, Peter Abeles. All Rights Reserved.
*
* This file is part of Geometric Regression Library (GeoRegression).
*
* 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 georegression.struct.line;
import georegression.struct.point.Point2D_F32;
import java.io.Serializable;
/**
* Defines a line segment by its two end points.
*
* @author Peter Abeles
*/
public class LineSegment2D_F32 implements Serializable {
public Point2D_F32 a = new Point2D_F32();
public Point2D_F32 b = new Point2D_F32();
public LineSegment2D_F32() {
}
public LineSegment2D_F32( Point2D_F32 a, Point2D_F32 b ) {
set( a, b );
}
public LineSegment2D_F32( float x0, float y0, float x1, float y1 ) {
set( x0, y0, x1, y1 );
}
public static LineSegment2D_F32 wrap( Point2D_F32 a , Point2D_F32 b ) {
LineSegment2D_F32 ret = new LineSegment2D_F32();
ret.a = a;
ret.b = b;
return ret;
}
public void set( LineSegment2D_F32 l ) {
this.a.set( l.a );
this.b.set( l.b );
}
public void set( Point2D_F32 a, Point2D_F32 b ) {
this.a.set( a );
this.b.set( b );
}
public void set( float x0, float y0, float x1, float y1 ) {
a.set( x0, y0 );
b.set( x1, y1 );
}
public Point2D_F32 getA() {
return a;
}
public void setA( Point2D_F32 a ) {
this.a = a;
}
public Point2D_F32 getB() {
return b;
}
public void setB( Point2D_F32 b ) {
this.b = b;
}
public float slopeX() {
return b.x-a.x;
}
public float slopeY() {
return b.y-a.y;
}
public float getLength() {
return a.distance(b);
}
public float getLength2() {
return a.distance2(b);
}
public LineSegment2D_F32 copy() {
return new LineSegment2D_F32( a, b );
}
@Override
public String toString() {
return getClass().getSimpleName()+"{" +
"a=" + a +
", b=" + b +
'}';
}
}