수다닷컴

아래 코드 애플릿 실행하면 되는데

공이 지나가다가위에 처럼,,블럭을 뚫고 지나가는현상이 나타나요~!

해결 부탁합니다,,,,,,

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import java.awt.*;
import java.applet.*;
class Block
{
private int m_nBlockX, m_nBlockY;
private int m_nHeight, m_nWidth;
private Color m_color;

Block( int nX, int nY, int nH, int nW, Color c )
{
m_nBlockX = nX;
m_nBlockY = nY;
m_nHeight = nH;
m_nWidth = nW;
m_color = c;
}

// 0: 충돌없음 1: x축 2: x축*23: y축4:y축*2
public int isCollision( int nBallX, int nBallY, int nPastBallX, int nPastBallY )
{
if( (m_nBlockX-10 = nBallX) && (m_nBlockX+m_nWidth+10 = nBallX)
&& (m_nBlockY-10 = nBallY) && (m_nBlockY+m_nHeight+10 = nBallY) )
{
if( m_nBlockX-10 = nPastBallX && m_nBlockX+m_nWidth+10 = nPastBallX
&& !(m_nBlockY-10 = nPastBallY && m_nBlockY+m_nHeight+10 = nPastBallY ))
{
if( m_nHeight == m_nWidth )
return 3;
if( m_nHeight m_nWidth )
return 3;
if( m_nHeight m_nWidth )
return 4;
}
//Y축으로 충돌
if( !(m_nBlockX-10 = nPastBallX && m_nBlockX+m_nWidth+10 = nPastBallX)
&& m_nBlockY-10 = nPastBallY && m_nBlockY+m_nHeight+10 = nPastBallY)
{
if( m_nHeight == m_nWidth )
return 1;
if( m_nHeight m_nWidth )
return 2;
if( m_nHeight m_nWidth )
return 1;
}
}
return 0;
}

public void draw( Graphics g )
{
g.setColor(m_color);
g.fillRect(m_nBlockX, m_nBlockY, m_nWidth, m_nHeight);
}
}public class GraphicTest2 extends Applet
{
public void init() {};
public void paint(Graphics g)
{
int dx, dy;
int nBallX, nBallY;
int nPastBallX, nPastBallY;
long s;Block block1 = new Block(50, 50, 50, 25, Color.blue);
Block block2 = new Block(100, 150, 25, 25, Color.blue);
Block block3 = new Block(150, 50, 25, 50, Color.blue);
Block block4 = new Block(250, 100, 25, 50, Color.blue);
Block block5 = new Block(200, 200, 25, 50, Color.blue);
String str = new String();

dx = 1; dy = 1;

nBallX = 10; nBallY = 20;
nPastBallX = nBallX;
nPastBallY = nBallY;

block1.draw(g);
block2.draw(g);
block3.draw(g);
block4.draw(g);
block5.draw(g);

for(int i=1; i=10000; i++)
{
try
{
Thread.sleep(5);
}
catch(Exception e) {}

nBallX += dx;
if( nBallX = 10 )
{
nBallX = 10;
dx *= -1;
}
if( nBallX = 390 )
{
nBallX = 390;
dx *= -1;
}

nBallY += dy;
if( nBallY = 10 )
{
nBallY = 10;
dy *= -1;
}
if( nBallY = 290 )
{
nBallY = 290;
dy *= -1;
}

switch( block1.isCollision(nBallX, nBallY, nPastBallX, nPastBallY) )
{
case 0: break;
case 1:
dx = (dx0)? -1: 1;
dy = (dy0)? 1: -1;
break;
case 2:
dx = (dx0)? -1: 1;
dy = (dy0)? 2: -2;
break;
case 3:
dx = (dx0)? 1: -1;
dy = (dy0)? -1: 1;B-1: 1;
break;
case 4:
dx = (dx0)? 2: -2;
dy = (dy0)? -1: 1;
break;
}
switch( block2.isCollision(nBallX, nBallY, nPastBallX, nPastBallY) )
{
case 0: break;
case 1:
dx = (dx0)? -1: 1;
dy = (dy0)? 1: -1;
break;
case 2:
dx = (dx0)? -1: 1;
dy = (dy0)? 2: -2;
break;
case 3:
dx = (dx0)? 1: -1;
dy = (dy0)? -1: 1;
break;
case 4:
dx = (dx0)? 2: -2;
dy = (dy0)? -1: 1;
break;
}
switch( block3.isCollision(nBallX, nBallY, nPastBallX, nPastBallY) )
{
case 0: break;
case 1:
dx = (dx0)? -1: 1;
dy = (dy0)? 1: -1;
break;
case 2:
dx = (dx0)? -1: 1;
dy = (dy0)? 2: -2;
break;
case 3:
dx = (dx0)? 1: -1;
dy = (dy0)? -1: 1;
break;
case 4:
dx = (dx0)? 2: -2;
dy = (dy0)? -1: 1;
break;
}
switch( block4.isCollision(nBallX, nBallY, nPastBallX, nPastBallY) )
{
case 0: break;
case 1:
dx = (dx0)? -1: 1;
dy = (dy0)? 1: -1;
break;
case 2:
dx = (dx0)? -1: 1;
dy = (dy0)? 2: -2;
break;
case 3:
dx = (dx0)? 1: -1;
dy = (dy0)? -1: 1;
break;
case 4:
dx = (dx0)? 2: -2;
dy = (dy0)? -1: 1;
break;
}
switch( block5.isCollision(nBallX, nBallY, nPastBallX, nPastBallY) )
{
case 0: break;
case 1:
dx = (dx0)? -1: 1;
dy = (dy0)? 1: -1;
break;
case 2:
dx = (dx0)? -1: 1;
dy = (dy0)? 2: -2;
break;
case 3:
dx = (dx0)? 1: -1;
dy = (dy0)? -1: 1;
break;
case 4:
dx = (dx0)? 2: -2;
dy = (dy0)? -1: 1;
break;
}

g.setColor(Color.white);
g.fillOval(nPastBallX-10, nPastBallY-10, 20, 20);
g.fillRect(300, 285, 200, 20);
g.setColor(Color.red);
g.fillOval(nBallX-10, nBallY-10, 20, 20);
str = x: + nBallX + y: + nBallY + px: +nPastBallX + py: + nPastBallY;
g.drawString( str, 300, 300 );

nPastBallX = nBallX;
nPastBallY = nBallY;
}
}
}

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