Java 如何填充由随机点(抽绳)创建的形状?
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
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);
}