2016/4/26
public static Cards firstClicked
if(firstClicked == null)
{
firstClicked = this
//in card1-card6
}if(matching pair flipped)
{
method
}
else
{
flip firstClicked
flip card clicked 2nd
}public void act()
{
if (Greenfoot.mouseClicked(this))
{
if (first == null) // first card picked
{
first = this;
flip();
}
else if (second == null) // second card picked
{
second = this;
flip();
Greenfoot.delay(30);
if (first != match) // not matching
{
first.flip();
flip();
}
else paired++; // matching
// prepare for next set to compare
first = null;
second = null;
}
}
}static int paired; // counts matches made during a level static Card first, second; // holds the clicked on cards GreenfootImage[] images = new GreenfootImage[2]; // the images for this actor Card match; // the card that matches this one
private void flip()
{
setImage(getImage() == images[0] ? images[1] : images[0]);
}
public static boolean redBalloon=true;
public static boolean blueBalloon=false;
public static boolean yellowBalloon=false;
public static boolean redHead=true;
public static boolean blueHead=false;
public static boolean yellowHead=false;
public void act()
{
hitAndMiss();
}
public void hitAndMiss()
{
getBalloonColour();
getHeadColour();
pop();
}
public void pop()
{
Actor balloon = getOneIntersectingObject(Balloon.class);
if (balloon != null)
{
if (redHead==true && redBalloon==true||blueHead==true && blueBalloon==true||yellowHead==true && yellowBalloon==true)
{
getWorld().removeObject(balloon);
}
else
{
getWorld().removeObject(this);
}
}
}
public void getBalloonColour()
{
Actor balloon = getOneIntersectingObject(Balloon.class);
if (balloon != null)
{
if (balloon.getImage().equals("balloon1.png"))
{
redBalloon=true;
blueBalloon=false;
yellowBalloon=false;
}
if (balloon.getImage().equals("balloon2.png"))
{
redBalloon=false;
blueBalloon=true;
yellowBalloon=false;
}
if (balloon.getImage().equals("balloon3.png"))
{
redBalloon=false;
blueBalloon=false;
yellowBalloon=true;
}
}
}
public void getHeadColour()
{
Head head = (Head) getWorld().getObjects(Head.class).get(0);
if (head.getImage().equals("button-red.png"))
{
redHead=true;
blueHead=false;
yellowHead=false;
}
if (head.getImage().equals("button-blue.png"))
{
redHead=false;
blueHead=true;
yellowHead=false;
}
if (head.getImage().equals("button-yellow.png"))
{
redHead=false;
blueHead=false;
yellowHead=true;
}
}
}import greenfoot.*;
import java.util.*;
/**
* PROJECT: Match Game Demo
* AUTHOR: danpost (greenfoot.org username)
* DATE: March 1, 2016
*
* DESCRIPTION: a simple (in most ways) demonstration of a match game scenario.
*/
public class Table extends World
{
int level = 0;
public Table()
{
super(800, 410, 1);
// creates a dark gray background color
getBackground().setColor(java.awt.Color.darkGray);
getBackground().fill();
// creates the first level
upLevel();
}
private void upLevel()
{
// initialize class field
Card.paired = 0; // to count matches as they are made
// clear the world of (possible) old objects
removeObjects(getObjects(null));
// up the level number (if not maxed
level++;
if (level > 7) level--;
// define number of pairs for this level
int pairs = level+1;
// shuffle the image numbers (so the same level does not always use the same images)
Integer[] fileNums = { 1, 2, 3, 4, 5, 6, 7, 8 };
Collections.shuffle(Arrays.asList(fileNums));
// build an array of cards for this level (cards created and assigned to the array)
Card[] cards = new Card[pairs*2];
for (int i=0; i<pairs*2; i++) cards[i] = new Card();
// assign the cards the references to their face images and their matching cards
// (1 <> 2, 3 <> 4, 5 <> 6, etc.) then shuffles the cards in the array
for (int i=0; i<cards.length; i+=2)
{
// notify cards of their matching cards
cards[i].setMatch(cards[i+1]);
cards[i+1].setMatch(cards[i]);
// set same face image to both cards
cards[i].setImage(fileNums[i/2]);
cards[i+1].setImage(fileNums[i/2]);
}
Collections.shuffle(Arrays.asList(cards)); // shuffle cards
// add the cards into the world (at calculated locations)
int rows = cards.length < 10 ? 2 : 3; // determine number of rows
int loWide = cards.length/rows; // determine minimum cards per row
int xtra = cards.length-rows*loWide; // number of extra cards to add into rows
int xtrasPlaced = 0; // to track number of extras placed in world
int y0 = getHeight()/2-125*(rows-1)/2; // determine starting y-coordinate for rows
for (int r=0; r<rows; r++)
{
// determine number of cards for this row
int wide = loWide +(xtra > 0 ? 1-(xtra+r)%2 : 0);
// determine starting x-coordinate for this row
int x0 = getWidth()/2-125*(wide-1)/2;
// add cards for this row into world
for (int c=0; c<wide; c++)
addObject(cards[r*loWide+c+xtrasPlaced], x0+c*125, y0+r*125);
if (wide > loWide) xtrasPlaced++; // update extras placed
}
}
public void act()
{
// proceeds to next level if all cards are matched
if (Card.paired == level+1) upLevel();
}
}import greenfoot.*;
import java.awt.Color;
public class Card extends Actor
{
static int paired; // counts matches made during a level
static Card first, second; // holds the clicked on cards
GreenfootImage[] images = new GreenfootImage[2]; // the images for this actor
Card match; // the card that matches this one
/** used to obtain the matching card to this one */
public void setMatch(Card c)
{
match = c;
}
/** used to obtain the face up image of this card (and creates a random back image) */
public void setImage(int front)
{
// gets and sizes its face image
images[1] = new GreenfootImage("fractal"+front+".png");
images[1].scale(100, 100);
// chooses random color part values for the fill color of the back image
int red = 128+Greenfoot.getRandomNumber(128);
int blue = 128+Greenfoot.getRandomNumber(128);
int green = 128+Greenfoot.getRandomNumber(128);
// creates and paints the back image with fill color
images[0] = new GreenfootImage(100, 100);
images[0].setColor(new Color(red, blue, green));
images[0].fill();
// draws a rectangle (or square) on the back image
images[0].setColor(Color.black);
images[0].drawRect(5, 5, 90, 90);
// sets the initial image of the card to the back image
setImage(images[0]);
}
/** checks for and processes clicks on this card */
public void act()
{
if (Greenfoot.mouseClicked(this) && getImage() == images[0])
{
if (first == null) // first clicked card
{
first = this;
flip();
return;
}
if (second == null) // second clicked card
{
second = this;
flip();
Greenfoot.delay(30);
if (first != match) // not a match
{
first.flip();
flip(); // or 'this.flip();' or 'second.flip();'
}
else paired++; // matching
// clears picks to allow for new ones
first = null;
second = null;
}
}
}
/** switches the image of this card between its two assigned images */
private void flip()
{
setImage(getImage() == images[0] ? images[1] : images[0]);
}
}