codice:
import java.awt.*;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.*;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileNotFoundException;
import java.awt.event.*;
public class Draw extends JFrame {
public static void main(String [] args) {
SwingUtilities.invokeLater(() -> new Draw().setVisible(true));
}
public Draw(){
setSize(800, 800);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
add(new Pannello());
}
}
//Classe Pedina è l'elemento che si sposta nelle 3 Dimensioni a scatti.
class Pedina{
//Valori di riferimento relativi al poligono(vedere immagine assonometria-isometrica)
private int LX = 52;
private int LY = 52;
private int LZ = 60;
private double X; private double Y; private double Z;
private String Name = "";
private Color Col;
private Polygon p;
private Point[] P = new Point[4];
private Point[] A = new Point[4];
String getName() {
return Name;
}
double getX() {
return X;
}
double getY() {
return Y;
}
double getZ() {
return Z;
}
Point[] getP() {
return P;
}
//Serve a centrare il poligono
Point getC() {
return new Point((P[0].x+P[2].x)/2,(P[0].y+P[2].y)/2);
}
void setX(double X) {
this.X = X;
}
void setY(double Y) {
this.Y = Y;
}
void setZ(double Z) {
this.Z = Z;
}
void setXYZ(double X, double Y, double Z) {
this.X = X;
this.Y = Y;
this.Z = Z;
}
void Scala(int n){
for(int k=0; k<n; k++){
A[1].x=A[0].x/2+A[1].x/2;
A[1].y=A[0].y/2+A[1].y/2;
A[3].x=A[0].x/2+A[3].x/2;
A[3].y=A[0].y/2+A[3].y/2;
A[2].x=A[0].x/2+A[2].x/2;
A[2].y=A[0].y/2+A[2].y/2;
}
}
Pedina(String name, double X, double Y, double Z, Color col){
//I punti A[] sono gli estremi del parallelogramma(poligono/pedina)
//rappresentato
A[0] = new Point(222,250);
A[1] = new Point(275,275);
A[2] = new Point(222,300);
A[3] = new Point(170,275);
Scala(4); //Scala la pedina di n=4(in tal caso) fattori
setX(X); setY(Y); setZ(Z);
P[0] = new Point((int)(A[0].x-LX*(X-1)+(Y-1)*LX),
(int)(A[0].y+(X-1)*LY/2+LY/2*(Y-1)-(Z-1)*LZ));
P[1] = new Point((int)(A[1].x-LX*(X-1)+(Y-1)*LX),
(int)(A[1].y+(X-1)*LY/2+LY/2*(Y-1)-(Z-1)*LZ));
P[2] = new Point((int)(A[2].x-LX*(X-1)+(Y-1)*LX),
(int)(A[2].y+(X-1)*LY/2+LY/2*(Y-1)-(Z-1)*LZ));
P[3] = new Point((int)(A[3].x-LX*(X-1)+(Y-1)*LX),
(int)(A[3].y+(X-1)*LY/2+LY/2*(Y-1)-(Z-1)*LZ));
p = new Polygon();
p.addPoint(P[0].x,P[0].y);
p.addPoint(P[1].x,P[1].y);
p.addPoint(P[2].x,P[2].y);
p.addPoint(P[3].x,P[3].y);
Col = col;
Name = name;
}
//Funzione che cambia la posizione della pedina:
void changePosition(){
P[0] = new Point((int)(A[0].x-LX*(X-1)+(Y-1)*LX),
(int)(A[0].y+(X-1)*LY/2+LY/2*(Y-1)-(Z-1)*LZ));
P[1] = new Point((int)(A[1].x-LX*(X-1)+(Y-1)*LX),
(int)(A[1].y+(X-1)*LY/2+LY/2*(Y-1)-(Z-1)*LZ));
P[2] = new Point((int)(A[2].x-LX*(X-1)+(Y-1)*LX),
(int)(A[2].y+(X-1)*LY/2+LY/2*(Y-1)-(Z-1)*LZ));
P[3] = new Point((int)(A[3].x-LX*(X-1)+(Y-1)*LX),
(int)(A[3].y+(X-1)*LY/2+LY/2*(Y-1)-(Z-1)*LZ));
p = new Polygon();
p.addPoint(P[0].x,P[0].y);
p.addPoint(P[1].x,P[1].y);
p.addPoint(P[2].x,P[2].y);
p.addPoint(P[3].x,P[3].y);
}
//Funzioni per il recupero del poligono/colore
public Polygon getPXYZ(){return p; }
public Color getCol(){return Col; }
}
class Pannello extends JPanel {
Pedina Pedina;
//Campi di testo per modifica posizione pedina manualmente(per uso in scacchi)
JTextField TX;
JTextField TY;
JTextField TZ;
JButton B;
double X0 = 1.0; double Y0 = 1.0; double Z0 = 1.0;
Pannello(){
JLabel LX = new JLabel("X:");
LX.setVisible(true);
LX.setLocation(400,500);
LX.setSize(100,25);
TX = new JTextField("1.0");
TX.setVisible(true);
TX.setLocation(500,500);
TX.setSize(100,25);
JLabel LY = new JLabel("Y:");
LY.setVisible(true);
LY.setLocation(400,535);
LY.setSize(100,25);
TY = new JTextField("1.0");
TY.setVisible(true);
TY.setLocation(500,535);
TY.setSize(100,25);
JLabel LZ = new JLabel("Z:");
LZ.setVisible(true);
LZ.setLocation(400,570);
LZ.setSize(100,25);
TZ = new JTextField("1.0");
TZ.setVisible(true);
TZ.setLocation(500,570);
TZ.setSize(100,25);
B = new JButton("Imposta");
B.setVisible(true);
B.setLocation(500,590);
B.setSize(100,25);
this.setLayout(null);
this.add(LX);
this.add(LY);
this.add(LZ);
this.add(TX);
this.add(TY);
this.add(TZ);
B.addActionListener(new load_XYZ());
this.add(B);
Pedina = new Pedina("Pedina", X0,Y0,Z0, new Color(0,0,255));
}
private class load_XYZ implements ActionListener {
public void actionPerformed(ActionEvent e) {
X0 = Double.parseDouble(TX.getText());
Y0 = Double.parseDouble(TY.getText());
Z0 = Double.parseDouble(TZ.getText());
Pedina.setXYZ(X0,Y0,Z0);
Pedina.changePosition();
repaint();
}
}
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
//Percorso File immagine Isometrica(allegata)
String fileName = "/cartella_immagini/.../ass-isometrica.png";
BufferedImage image = new
BufferedImage(800,800,BufferedImage.TYPE_INT_RGB);
try {
image = ImageIO.read(new File(fileName));
g.drawImage(image, 0, 0, null);
} catch(Exception e) {
System.out.println(e);
}
double k=0.0628;
double j=0.0628;
int n=100;
int m=0;
int q=0;
double r=0.25; double R=1;
for(double v=0; v<=6.28; v+=j){
for(double u=0; u<=6.28; u+=k){
//Cordinate parametriche per rappresentare il toro:
X0 = (R+r*Math.cos(v))*Math.cos(u);
Y0 = (R+r*Math.cos(v))*Math.sin(u);
Z0 = r*Math.sin(v);
Pedina.setXYZ(X0,Y0,Z0);
Pedina.changePosition();
//*Esempio di vaiazione del colore(da migliorare):
g.setColor(new Color(m%255,n%255,0));
n++;
g.fillPolygon(Pedina.getPXYZ());
}
m++;
}
}
}
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