BananaPuncher714
d16041f977
Added new mesh class Rewrite mesh algorithms to be less error prone Make code more concise Tried to add some documentation Added half edge set
32 lines
847 B
Java
32 lines
847 B
Java
package com.aaaaahhhhhhh.bananapuncher714.mesh;
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import java.util.List;
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/**
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* A list of points denoting the shape of the polygon. May contain self intersections,
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* duplicate vertices, and overlapping edges.
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*
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* @author BananaPuncher714
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*/
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public class Polygon {
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protected List< Point > points;
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public Polygon( List< Point > points ) {
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this.points = points;
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}
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public List< Point > getPoints() {
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return points;
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}
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public double area() {
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double area = 0;
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for ( int i = 0; i < points.size(); ++i ) {
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final Vector2d a = new Vector2d( points.get( i ) );
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final Vector2d b = new Vector2d( points.get( ( i + 1 ) % points.size() ) );
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area += a.cross( b );
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}
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return Math.abs( area ) / 2.0;
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}
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}
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