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Java 如何填充由随机点(抽绳)创建的形状?_Java - Fatal编程技术网

Java 如何填充由随机点(抽绳)创建的形状?

Java 如何填充由随机点(抽绳)创建的形状?,java,Java,我正在创建一个随机绘制小行星的游戏(让小行星看起来参差不齐)。经过研究,我只发现你可以填充原始形状。有人知道我可以用什么方法来填充这些形状吗 package view.game_object; import java.awt.Color; import java.awt.Graphics; import java.util.ArrayList; import java.util.Collections; import java.util.Random; public class Astero

我正在创建一个随机绘制小行星的游戏(让小行星看起来参差不齐)。经过研究,我只发现你可以填充原始形状。有人知道我可以用什么方法来填充这些形状吗

package view.game_object;

import java.awt.Color;
import java.awt.Graphics;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Random;

public class Asteroid extends BaseGameObject {

   public static final int BASE_SIZE = 10;
   private final int fragmentCount;
   private final int[][] points;
   private final int level;

public Asteroid(int level, Random r) {
    this.level = level;
    this.setBound(level * Asteroid.BASE_SIZE);
    int sizeRange = (int) (this.getBound() / 2);
    this.fragmentCount = this.level * 6;
    // generate random points to draw
    this.setPosition(0, 0);
    this.points = new int[fragmentCount][2];
    ArrayList<Float> angleList = new ArrayList<>();
    for (int i = 0; i < fragmentCount; i++) {
        angleList.add(r.nextFloat() * (float) (Math.PI * 2));
    }
    Collections.sort(angleList);
    for (int i = 0; i < this.points.length; i++) {
        // base point
        float x = r.nextInt(sizeRange) + this.getBound() - sizeRange / 3;
        // rotate
        float[] point = BaseGameObject.rotate(x, 0, this.getPosx(), this.getPosy(),
                angleList.get(i));
        this.points[i][0] = (int) point[0];
        this.points[i][1] = (int) point[1];
    }
}

public int getLevel() {
    return level;
}

@Override
public void draw(Graphics g) {
    g.setColor(Color.gray);
    for (int i = 0; i < this.points.length; i++) {
        int nextPoint = i + 1;
        if (nextPoint >= this.points.length) {
            nextPoint = 0;
        }
        g.drawLine(Math.round(this.getPosx()) + this.points[i][0],
                Math.round(this.getPosy()) + this.points[i][1],
                Math.round(this.getPosx()) + this.points[nextPoint][0],
                Math.round(this.getPosy()) + this.points[nextPoint][1]
        );

    }
}
}
package view.game\u对象;
导入java.awt.Color;
导入java.awt.Graphics;
导入java.util.ArrayList;
导入java.util.Collections;
导入java.util.Random;
公共类小行星扩展BaseGameObject{
公共静态最终整数基数=10;
私人最终整数碎片计数;
私人最终积分[][]分;
私人最终智力水平;
公共小行星(整数级,随机r){
这个水平=水平;
此.setBound(标高*小行星基准尺寸);
int sizerage=(int)(this.getBound()/2);
this.fragmentCount=this.level*6;
//生成要绘制的随机点
这个。设置位置(0,0);
this.points=newint[fragmentCount][2];
ArrayList angleList=新的ArrayList();
对于(int i=0;i=此.points.length){
nextPoint=0;
}
g、 drawLine(Math.round(this.getPosx())+this.points[i][0],
Math.round(this.getPosy())+this.points[i][1],
Math.round(this.getPosx())+this.points[nextPoint][0],
Math.round(this.getPosy())+this.points[nextPoint][1]
);
}
}
}
您可以使用。但是您必须将您的点“转换”为适当的格式
getXs()
,我没有指出这一点,我很确定您可以像我一样做好这一点=)

@Override
public void draw(Graphics g) {
    g.setColor(Color.gray); //fillColor
    int[] xPoints = getXs(this.points);
    int[] yPoints = getYs(this.points);
    int nPoints = xPoints.length;
    g.fillPolygon(xPoints, yPoints, nPoints);

}