program bezier 3 point dengan java

import java.awt.*;
import javax.swing.*;
import java.math.*;
import java.awt.event.*;
class bazier_3_point
{
    double x1,x2,x3;
    double y1,y2,y3;
    double x,y,xt,yt;
    double t=0.005;
    double ax,bx;
    double ay,by;
    public void set_x_y(double x_1,double y_1,double x_2,double y_2,double x_3,double y_3)
    {
        x1=x_1;x2=x_2;x3=x_3;
        y1=y_1;y2=y_2;y3=y_3;
    }
    public void hitung_ab_x()
    {
        bx=2.0*(x2-x1);
        ax=x3-x1-bx;
    }
    public void hitung_ab_y()
    {
        by=2.0*(y2-y1);
        ay=y3-y1-by;
    }
}

gambar 2d raja catur dengan java

code program

program bazier 4 point dengan java

import java.awt.*;
import javax.swing.*;
import java.math.*;
import java.awt.event.*;
class bazier
{
    double x1=0;double y1=0;double x2=0;double y2=0;double x3=0;double y3=0;double x4=0;double y4=0;
    double x,y,xt,yt;
    double t=0.005;
    double ax,bx,cx;
    double ay,by,cy;
    public void set_x_y(double x_1,double y_1,double x_2,double y_2,double x_3,double y_3,double x_4,double y_4)
    {
        x1=x_1;x2=x_2;x3=x_3;x4=x_4;
        y1=y_1;y2=y_2;y3=y_3;y4=y_4;
    }