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Click and Drag?

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Click and Drag?, I'm very, very new to Java

brandon_v	11 Sep, 2008 - 04:18 PM Post #1
New D.I.C Head Joined: 29 May, 2008 Posts: 26 My Contributions	Ok, I just started learning Java today, and I don't really know what it will take to get this to where I want. I created this little applet that simply draws some crappy air balloon. CODE import java.awt.; import java.applet.; //Air Balloon Applet //Brandon Vrooman public class AirBalloon extends Applet { public void paint (Graphics g) { //Create Sky setBackground (Color.cyan); //Create Balloon Outline g.setColor (Color.black); g.drawArc (0, 0, 200, 200, 0, 180); g.drawArc (0, -80, 200, 350, 180, 90); g.drawArc (0, -80, 200, 350, 270, 90); //Create Balloon Colour g.setColor (Color.blue); g.fillArc (0, 0, 200, 200, 0, 180); g.fillArc (0, -80, 200, 350, 180, 90); g.fillArc (0, -80, 200, 350, 270, 90); //Continue Outline g.setColor (Color.black); g.drawArc (60, 0, 80, 200, 0, 180); g.drawArc (60, -80, 80, 350, 180, 90); g.drawArc (60, -80, 80, 350, 270, 90); //Continue Balloon Colour g.setColor (Color.magenta); g.fillArc (60, 0, 80, 200, 0, 180); g.fillArc (60, -80, 80, 350, 180, 90); g.fillArc (60, -80, 80, 350, 270, 90); //Add Ropes g.setColor (Color.black); g.drawLine (20, 200, 50, 320); g.drawLine (100, 200, 100, 320); g.drawLine (120 + 60, 200, 90 + 60, 320); g.drawLine (20, 200, 180, 200); //Create Basket Polygon basket = new Polygon(); basket.addPoint(20, 320); // A A. ___________ B. basket.addPoint(180, 320); // B \ / basket.addPoint(150, 380); // C D. \_______/ C. basket.addPoint(50, 380); // D Basket =D //Create Basket Colour g.setColor (Color.red); g.fillPolygon(basket); //Add Basket Planks g.setColor (Color.black); g.drawLine (20, 320, 180, 320); g.drawLine (25, 330, 175, 330); g.drawLine (30, 340, 170, 340); g.drawLine (35, 350, 165, 350); g.drawLine (40, 360, 160, 360); g.drawLine (45, 370, 155, 370); g.drawLine (50, 380, 150, 380); } } What I want is to be able to click anywhere on the air balloon, and be able to drag it around inside the applet boundaries. I have no idea what it will take to get it to that point. Any help would be awesome! Thanks. This post has been edited by brandon_v: 11 Sep, 2008 - 05:40 PM
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brandon_v	RE: Click And Drag? 11 Sep, 2008 - 05:39 PM Post #2
New D.I.C Head Joined: 29 May, 2008 Posts: 26 My Contributions	ok, after a little research, this is what I came up with. It still doesn't work at all though, but maybe it's closer. CODE import java.awt.; import java.awt.event.; import java.applet.*; //Air Balloon Applet //Brandon Vrooman public class AirBalloon extends Applet implements MouseListener, MouseMotionListener { int xoffset; int yoffset; public void init() { //Create Sky setBackground (Color.cyan); xoffset = 0; yoffset = 0; addMouseListener(this); addMouseMotionListener (this); } public void mouseDragged (MouseEvent e) { int xold; int yold; xold = xoffset; yold = yoffset; xoffset = e.getX() - xold; yoffset = e.getY() - yold; repaint (); } public void mouseEntered (MouseEvent e){} public void mouseExited (MouseEvent e){} public void mouseClicked (MouseEvent e){} public void mousePressed (MouseEvent e){} public void mouseReleased (MouseEvent e){} public void mouseMoved (MouseEvent e){} public void paint (Graphics g) { g.drawString //Create Balloon Outline g.setColor (Color.black); g.drawArc (0 + xoffset, 0 + yoffset, 200, 200, 0, 180); g.drawArc (0 + xoffset, -80 + yoffset, 200, 350, 180, 90); g.drawArc (0 + xoffset, -80 + yoffset, 200, 350, 270, 90); //Create Balloon Colour g.setColor (Color.blue); g.fillArc (0 + xoffset, 0 + yoffset, 200, 200, 0, 180); g.fillArc (0 + xoffset, -80 + yoffset, 200, 350, 180, 90); g.fillArc (0 + xoffset, -80 + yoffset, 200, 350, 270, 90); //Continue Outline g.setColor (Color.black); g.drawArc (60 + xoffset, 0 + yoffset, 80, 200, 0, 180); g.drawArc (60 + xoffset, -80 + yoffset, 80, 350, 180, 90); g.drawArc (60 + xoffset, -80 + yoffset, 80, 350, 270, 90); //Continue Balloon Colour g.setColor (Color.magenta); g.fillArc (60 + xoffset, 0 + yoffset, 80, 200, 0, 180); g.fillArc (60 + xoffset, -80 + yoffset, 80, 350, 180, 90); g.fillArc (60 + xoffset, -80 + yoffset, 80, 350, 270, 90); //Add Ropes g.setColor (Color.black); g.drawLine (20 + xoffset, 200 + yoffset, 50 + xoffset, 320 + yoffset); g.drawLine (100 + xoffset, 200 + yoffset, 100 + xoffset, 320 + yoffset); g.drawLine (120 + 60 + xoffset, 200 + yoffset, 90 + 60, 320 + yoffset); g.drawLine (20 + xoffset, 200 + yoffset, 180 + xoffset, 200 + yoffset); //Create Basket Polygon basket = new Polygon(); basket.addPoint(20 + xoffset, 320 + yoffset); // A A. ___________ B. basket.addPoint(180 + xoffset, 320 + yoffset); // B \ / basket.addPoint(150 + xoffset, 380 + yoffset); // C D. \_______/ C. basket.addPoint(50 + xoffset, 380 + yoffset); // D Basket =D //Create Basket Colour g.setColor (Color.red); g.fillPolygon(basket); //Add Basket Planks g.setColor (Color.black); g.drawLine (20 + xoffset, 320 + yoffset, 180 + xoffset, 320 + yoffset); g.drawLine (25 + xoffset, 330 + yoffset, 175 + xoffset, 330 + yoffset); g.drawLine (30 + xoffset, 340 + yoffset, 170 + xoffset, 340 + yoffset); g.drawLine (35 + xoffset, 350 + yoffset, 165 + xoffset, 350 + yoffset); g.drawLine (40 + xoffset, 360 + yoffset, 160 + xoffset, 360 + yoffset); g.drawLine (45 + xoffset, 370 + yoffset, 155 + xoffset, 370 + yoffset); g.drawLine (50 + xoffset, 380 + yoffset, 150 + xoffset, 380 + yoffset); } } Hopefully its better to work with that? Thanks
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pbl	RE: Click And Drag? 11 Sep, 2008 - 06:26 PM Post #3
D.I.C Lover Joined: 6 Mar, 2008 Posts: 3,574 Thanked: 233 times Dream Kudos: 75 My Contributions	Look at the class MousMotionListenet in the API
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brandon_v	RE: Click And Drag? 11 Sep, 2008 - 07:25 PM Post #4
New D.I.C Head Joined: 29 May, 2008 Posts: 26 My Contributions	Ok, I've finally got it! (sorta) Thanks anywho.
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1lacca	RE: Click And Drag? 12 Sep, 2008 - 01:07 AM Post #5
code.rascal Joined: 11 Aug, 2005 Posts: 3,822 Thanked: 12 times My Contributions	This tutorial might help as well
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