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Регистрация: 6.3.2007
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Я наверно его ещё не полностью впаяла .. или он пока просто себя не проявляет визуально .. Я была где-то здесь | Код |
import javax.swing.*;
import java.awt.*;
public class GridsCanvas extends JPanel
{
private int rows=20;
private int cols=20;
private int cellSize=30 ;
private DrawablePoint points[][]; // array to hold all possible points
public GridsCanvas(int r, int c,int cellSize) {
this.rows = r;
this.cols = c;
this.cellSize=cellSize;
setPreferredSize(new Dimension( (c+1)*cellSize, (r+1)*cellSize ));
// we make our window bigger than grid to have extra place
//and easier access to the points on the edge of the grids
points = new DrawablePoint[cols][rows];
makePoints(rows,cols);
}
public void paintComponent(Graphics g) {
g.translate(cellSize, cellSize);
//we move the grid right and down on the distance of the cellSize
for (int i = 0; i < rows; i++)
g.drawLine( i * cellSize, rows*cellSize-cellSize, i * cellSize,0 );
for (int j = 0; j < cols; j++)
g.drawLine(0, cellSize*j, cols*cellSize-cellSize, cellSize*j);
for(int y=0; y<cols; y++) {
for(int x=0; x<rows; x++) {
points[x][y].paint(g); // displays points
}
}
g.translate(-cellSize, -cellSize);
}
public void makePoints ( int rows , int cols)
{ for(int y=0; y<cols; y++)
{for(int x=0; x<rows; x++) // pass screen coords to point constructor
{ points[x][y] = new DrawablePoint( field2screen(x), field2screen(y) );
// create all points
}
}
}
public boolean mouseWasClicked(int x, int y, Color playerColor)
{ // accepts coordinates and the playerColor of the mouse click
int pointX = screen2field(x); // count which point was clicked
int pointY = screen2field(y);
boolean result = false;
if( goodCoords(pointX, pointY) ) {
result = points[pointX][pointY].setNewColor(playerColor); // sets the owner color show that the point is occupied by player
if(result) {
// if color changed - create connections for this point
makeConnections(pointX, pointY);
}
} // else - do nothing if coorditates is not good
return result;
}
private boolean goodCoords(int fieldX, int fieldY) {
/*if X is zero or positive and if Y is zero or positive
and if X is less than field width and if Y is less than field height...
we can use coordinates of the mouse click */
if(fieldX>=0 && fieldY>=0 && fieldX<cols && fieldY<rows) // ...good coordinates
return true;
else // bad coordinates which dive ArrayIndexOutOfBoundsException
return false;
}
private int screen2field(int coord) { // screen to field convert coordinates
return (coord-cellSize/2) /cellSize;
// shift coordinates of the click by half cellSize to draw points on the corners of the grids
}
private int field2screen(int coord) { // field to screen convert coordinates
return coord*cellSize;}
private void makeConnections(int px, int py)
// create connection for the point ,px point x coordinate,py point y coordinate
{
DrawablePoint a, b;
a = points[px][py]; // a - current point
// for all eight points around current point
for(int j=-1; j<=1; j++) {
for(int i=-1; i<=1; i++) {
if( goodCoords(px+i, py+j) ) {
b = points[px+i][py+j]; // b - point to check
if(a!=b && b.getColor() == a.getColor()) // if not current point but have same color
{
// if no another diagonal connection in this cell already exists
if( !points[px][py+j].isConnectedTo(points[px+i][py]) ) {
a.connectTo(b); // connect a to b
b.connectTo(a); // connect b to a
}
}
} // if goodcoords end
} // loop i end
} // loop j end
}
}
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теперь я пытаюсь скомпелировать это | Код |
import javax.swing.*;
import java.awt.*;
public class GridsCanvas extends JPanel
{
private int rows=20;
private int cols=20;
private int cellSize=30 ;
private DrawablePoint points[][]; // array to hold all possible points
private Color playerAColor = null;
private Color playerBColor = null;
private int playerAScores = 0;
private int playerBScores = 0;
public GridsCanvas(int r, int c,int cellSize) {
this.rows = r;
this.cols = c;
this.cellSize=cellSize;
setPreferredSize(new Dimension( (c+1)*cellSize, (r+1)*cellSize ));
// we make our window bigger than grid to have extra place
//and easier access to the points on the edge of the grids
points = new DrawablePoint[cols][rows];
makePoints(rows,cols);
}
public void paintComponent(Graphics g) {
g.translate(cellSize, cellSize);
//we move the grid right and down on the distance of the cellSize
for (int i = 0; i < rows; i++)
g.drawLine( i * cellSize, rows*cellSize-cellSize, i * cellSize,0 );
for (int j = 0; j < cols; j++)
g.drawLine(0, cellSize*j, cols*cellSize-cellSize, cellSize*j);
for(int y=0; y<cols; y++) {
for(int x=0; x<rows; x++) {
points[x][y].paint(g); // displays points
}
}
g.translate(-cellSize, -cellSize);
Font font = new Font("Arial", Font.BOLD, 12); // create bold Arial font size 12 points
g.setFont(font); // use this font
g.setColor(playerAColor);
g.drawString( new String(""+playerAScores), 0, field2screen(rows)); // display scores for one player
g.setColor(playerBColor);
g.drawString( new String(""+playerBScores), field2screen(cols/2), field2screen(rows)); // display scores for other player
}
public void makePoints ( int rows , int cols)
{ for(int y=0; y<cols; y++)
{for(int x=0; x<rows; x++) // pass screen coords to point constructor
{ points[x][y] = new DrawablePoint( field2screen(x), field2screen(y) );
// create all points
}
}
}
public boolean mouseWasClicked(int x, int y, Color playerColor)
{ // accepts coordinates and the playerColor of the mouse click
int pointX = screen2field(x); // count which point was clicked
int pointY = screen2field(y);
boolean result = false;
if( goodCoords(pointX, pointY) ) {
result = points[pointX][pointY].setNewColor(playerColor); // sets the owner color show that the point is occupied by player
if(result) {
// if color changed - create connections for this point
makeConnections(pointX, pointY);
for(int j=0; j<rows; j++) {
for(int i=0; i<cols; i++) {
wasHere = new boolean[cols][rows];
if( pointNotCaptured(i, j, playerColor)==0 ) {
points[i][j].setCaptured(playerColor);
}
}
calculateScores();
}
} // else - do nothing if coorditates is not good
return result;
}
}
private boolean goodCoords(int fieldX, int fieldY) {
/*if X is zero or positive and if Y is zero or positive
and if X is less than field width and if Y is less than field height...
we can use coordinates of the mouse click */
if(fieldX>=0 && fieldY>=0 && fieldX<cols && fieldY<rows) // ...good coordinates
return true;
else // bad coordinates which dive ArrayIndexOutOfBoundsException
return false;
}
private int screen2field(int coord) { // screen to field convert coordinates
return (coord-cellSize/2) /cellSize;
// shift coordinates of the click by half cellSize to draw points on the corners of the grids
}
private int field2screen(int coord) { // field to screen convert coordinates
return coord*cellSize;}
private void makeConnections(int px, int py)
// create connection for the point ,px point x coordinate,py point y coordinate
{
DrawablePoint a, b;
a = points[px][py]; // a - current point
// for all eight points around current point
for(int j=-1; j<=1; j++) {
for(int i=-1; i<=1; i++) {
if( goodCoords(px+i, py+j) ) {
b = points[px+i][py+j]; // b - point to check
if(a!=b && b.getColor() == a.getColor()) // if not current point but have same color
{
// if no another diagonal connection in this cell already exists
if( !points[px][py+j].isConnectedTo(points[px+i][py]) ) {
a.connectTo(b); // connect a to b
b.connectTo(a); // connect b to a
}
}
} // if goodcoords end
} // loop i end
} // loop j end
}
private void calculateScores() {
Color ownerColor;
// reset scores
playerAScores = 0;
playerBScores = 0;
// loop for all points
for(int j=0; j<rows; j++) {
for(int i=0; i<cols; i++) {
// get capturer color
ownerColor = points[i][j].getCaptured();
// if no capturer - get initial point owner color
if( ownerColor==null ) ownerColor = points[i][j].getColor();
if( ownerColor!=null ) {
// if no A color yet assigned
if( playerAColor==null ) {
playerAColor = ownerColor;
}
// A is assigned but B is not
else if( playerBColor==null && ownerColor!=playerAColor ) {
playerBColor = ownerColor;
}
// compare colors and score player
if( ownerColor==playerAColor ) playerAScores++;
if( ownerColor==playerBColor ) playerBScores++;
}
}
}
}
}
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и пока wasHere = new boolean[cols][rows]; не компелируется .Не видит переменную . Наверно нужно создать её заранее как член класса . |
Разработка игры "Территория" (Точки), Java, с нуля 
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