對於那些真正看過我的帖子的人,我的代碼已經很好地發展到現在我可以按我想要的方式顯示我的精靈表。這裏是我的代碼:添加滾動條和圖像調整大小問題
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ScrollPaneConstants;
public class AnimTest
{
public static void main(String[] args)
{
AnimTest test = new AnimTest();
test.go();
}
public void go()
{
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
MyDrawP drawP = new MyDrawP();
frame.getContentPane().add(drawP);
frame.setSize(640,640);
frame.setVisible(true);
frame.setResizable(true);
}
}
class MyDrawP extends JPanel
{
public void paintComponent(Graphics g)
{
super.paintComponent(g);
try {
BufferedImage bigImg = ImageIO.read(new File("C:/Users/scott/Desktop/Personal Work/Pixel Art/terrain.png"));
final int width = 64;
final int height = 64;
final int rows = 5;
final int cols = 16;
final int mapX = 10;
final int mapY = 8;
BufferedImage[][] sprites = new BufferedImage[cols][rows];
for (int i = 0; i < rows; i++)
{
for (int j = 0; j < cols; j++)
{
//System.out.println("J is: " + j);
//System.out.println("I is: " + i);
//System.out.println("i * width is: " + i * width);
//System.out.println("j * height is: " + j * height);
//System.out.println("");
sprites[j][i] = bigImg.getSubimage(j * width, i * height, width, height);
//g.drawImage(sprites[j][i], 5, 5, this);
}
}
for (int i = 0; i < mapX; i++)
{
for (int j = 0; j < mapY; j++)
{
ArrayList<BufferedImage> spriteListRoad = new ArrayList<BufferedImage>();
BufferedImage road4way = sprites[0][0];
spriteListRoad.add(road4way);
BufferedImage roadS = sprites[1][0];
spriteListRoad.add(roadS);
BufferedImage roadV = sprites[2][0];
spriteListRoad.add(roadV);
BufferedImage roadH = sprites[3][0];
spriteListRoad.add(roadH);
BufferedImage roadEndU = sprites[4][0];
spriteListRoad.add(roadEndU);
BufferedImage roadEndL = sprites[5][0];
spriteListRoad.add(roadEndL);
BufferedImage roadEndR = sprites[6][0];
spriteListRoad.add(roadEndR);
BufferedImage roadEndD = sprites[7][0];
spriteListRoad.add(roadEndD);
BufferedImage roadLU = sprites[8][0];
spriteListRoad.add(roadLU);
BufferedImage roadRU = sprites[9][0];
spriteListRoad.add(roadRU);
BufferedImage roadLD = sprites[10][0];
spriteListRoad.add(roadLD);
BufferedImage roadRD = sprites[11][0];
spriteListRoad.add(roadRD);
BufferedImage roadUT = sprites[12][0];
spriteListRoad.add(roadUT);
BufferedImage roadLT = sprites[13][0];
spriteListRoad.add(roadLT);
BufferedImage roadRT = sprites[14][0];
spriteListRoad.add(roadRT);
BufferedImage roadDT = sprites[15][0];
spriteListRoad.add(roadDT);
ArrayList<BufferedImage> spriteListRiver = new ArrayList<BufferedImage>();
BufferedImage riverV = sprites[0][1];
spriteListRiver.add(riverV);
BufferedImage riverH = sprites[1][1];
spriteListRiver.add(riverH);
BufferedImage riverLU = sprites[2][1];
spriteListRiver.add(riverLU);
BufferedImage riverRU = sprites[3][1];
spriteListRiver.add(riverRU);
BufferedImage riverLD = sprites[4][1];
spriteListRiver.add(riverLD);
BufferedImage riverRD = sprites[5][1];
spriteListRiver.add(riverRD);
BufferedImage riverRoadV = sprites[6][1];
spriteListRiver.add(riverRoadV);
BufferedImage riverRoadH = sprites[7][1];
spriteListRiver.add(riverRoadH);
ArrayList<BufferedImage> spriteListTerrain = new ArrayList<BufferedImage>();
BufferedImage grass = sprites[0][2];
spriteListTerrain.add(grass);
BufferedImage trees = sprites[1][2];
spriteListTerrain.add(trees);
BufferedImage mountain = sprites[2][2];
spriteListTerrain.add(mountain);
ArrayList<BufferedImage> spriteListOre = new ArrayList<BufferedImage>();
BufferedImage copper = sprites[0][3];
spriteListOre.add(copper);
BufferedImage dornite = sprites[1][3];
spriteListOre.add(dornite);
BufferedImage kryz = sprites[2][3];
spriteListOre.add(kryz);
BufferedImage iron = sprites[3][3];
spriteListOre.add(iron);
BufferedImage shallux = sprites[4][3];
spriteListOre.add(shallux);
BufferedImage mithril = sprites[5][3];
spriteListOre.add(mithril);
ArrayList<BufferedImage> spriteListWood = new ArrayList<BufferedImage>();
BufferedImage oak = sprites[0][4];
spriteListWood.add(oak);
BufferedImage olive = sprites[1][4];
spriteListWood.add(olive);
BufferedImage rath = sprites[2][4];
spriteListWood.add(rath);
BufferedImage yew = sprites[3][4];
spriteListWood.add(yew);
BufferedImage eeth = sprites[4][4];
spriteListWood.add(eeth);
BufferedImage ebony = sprites[5][4];
spriteListWood.add(ebony);
g.drawImage(spriteListTerrain.get((int) (Math.random() * 3)), i* width, j * height, this); //this one works by itself
}
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
這裏是我的問題。爲什麼當我執行這段代碼時,每當我調整窗口大小再重新運行並重新映射我的映射?我認爲添加滾動條可能會修復它,但我不知道如何將它們添加進去。我怎樣才能阻止它重新循環通過代碼每次我調整大小?
謝謝。
好吧,所以我一直在重新編寫我的代碼來嘗試這種方法。除了drawImage從來不知道要繪製什麼,因爲它看起來不可能將任何東西傳遞到PaintComponent中,所以我試圖從paintComponent中除了drawImage之外的所有東西。 另外,我的地圖製作程序的全部內容都是隨機地圖。如果我擺脫了在繪製代碼中的隨機性,它絕不會做我想要的。 我的代碼很混亂,但是你的建議使得它更沒有意義。 – sekimberly52 2012-02-14 15:03:44
甚至超出了所有的東西,你怎麼稱之爲paintComponent方法?它總是抱怨Graphics g沒有被定義,但是我敢肯定,在系統剛剛運行該方法並且默認情況下,它永遠不能真正定義它。 – sekimberly52 2012-02-14 15:08:28
我假設你有一個名爲「createMap」的方法。這應該在緩存的圖像上創建隨機地圖。這個緩衝圖像然後被繪製在paintComponent()方法中。如果你想改變地圖,那麼你需要再次調用「createMap」方法。映射的隨機化不應該在paintComponent()方法本身中完成。強制重繪組件的repaint()方法。也許從[自定義繪畫方法](http://tips4java.wordpress.com/2009/05/08/custom-painting-approaches/)中的「繪製圖像」示例將有助於瞭解基礎知識。 – camickr 2012-02-14 15:58:05