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Screen.java
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Screen.java
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import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JPanel;
public class Screen extends JPanel implements KeyListener{
double SleepTime = 1000/30, lastRefresh = 0;
static double[] ViewFrom = new double[] {10, 10, 10};
static double[] ViewTo = new double[] {5, 0, 0};
static int NumberOfPolygons = 0, NumberOf3DPolygons = 0;
static PolygonObject[] DrawablePolygons = new PolygonObject[100];
static DPolygon[] DPolygons = new DPolygon[100];
int[] NewOrder;
public Screen()
{
addKeyListener(this);
setFocusable(true);
DPolygons[NumberOf3DPolygons] = new DPolygon(new double[]{0, 2, 2, 0}, new double[]{0, 0, 2, 2}, new double[]{0, 0, 0, 0}, Color.gray);
DPolygons[NumberOf3DPolygons] = new DPolygon(new double[]{0, 2, 2, 0}, new double[]{0, 0, 2, 2}, new double[]{3, 3, 3, 3}, Color.gray);
DPolygons[NumberOf3DPolygons] = new DPolygon(new double[]{0, 2, 2, 0}, new double[]{0, 0, 0, 0}, new double[]{0, 0, 3, 3}, Color.gray);
DPolygons[NumberOf3DPolygons] = new DPolygon(new double[]{0, 2, 2, 0}, new double[]{2, 2, 2, 2}, new double[]{0, 0, 3, 3}, Color.gray);
DPolygons[NumberOf3DPolygons] = new DPolygon(new double[]{0, 0, 0, 0}, new double[]{0, 2, 2, 0}, new double[]{0, 0, 3, 3}, Color.gray);
DPolygons[NumberOf3DPolygons] = new DPolygon(new double[]{2, 2, 2, 2}, new double[]{0, 2, 2, 0}, new double[]{0, 0, 3, 3}, Color.gray);
}
public void paintComponent(Graphics g)
{
g.clearRect(0, 0, 2000, 1200);
g.drawString(System.currentTimeMillis() + "", 20, 20);
for(int i = 0; i < NumberOf3DPolygons; i++)
DPolygons[i].updatePolygon();
setOrder();
for(int i = 0; i < NumberOfPolygons; i++)
DrawablePolygons[NewOrder[i]].drawPolygon(g);
SleepAndRefresh();
}
void setOrder()
{
double[] k = new double[NumberOfPolygons];
NewOrder = new int[NumberOfPolygons];
for(int i = 0; i < NumberOfPolygons; i++)
{
k[i] = DrawablePolygons[i].AvgDist;
NewOrder[i] = i;
}
double temp;
int tempr;
for (int a = 0; a < k.length-1; a++)
for (int b = 0; b < k.length-1; b++)
if(k[b] < k[b + 1])
{
temp = k[b];
tempr = NewOrder[b];
NewOrder[b] = NewOrder[b + 1];
k[b] = k[b + 1];
NewOrder[b + 1] = tempr;
k[b + 1] = temp;
}
}
void SleepAndRefresh()
{
while(true)
{
if(System.currentTimeMillis() - lastRefresh > SleepTime)
{
lastRefresh = System.currentTimeMillis();
repaint();
break;
}
else
{
try
{
Thread.sleep((long)(System.currentTimeMillis() - lastRefresh));
}
catch (Exception e)
{
}
}
}
}
public void keyPressed(KeyEvent e) {
if(e.getKeyCode() == KeyEvent.VK_LEFT)
ViewFrom[0] --;
if(e.getKeyCode() == KeyEvent.VK_RIGHT)
ViewFrom[0] ++;
if(e.getKeyCode() == KeyEvent.VK_UP)
ViewFrom[1] --;
if(e.getKeyCode() == KeyEvent.VK_DOWN)
ViewFrom[0] ++;
}
public void keyReleased(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
}