Finished Collision Physics

saves/Level1.txt

@@ -5,13 +5,14 @@
 00010000
 00010000
 00010000
-00010000
+00010100
 00000000
 00000000
-00000000
-00000000
-00000000
-00000000
-00000000
-00000000
-23333334
+10000001
+0000000011000100000000000101010100110100
+0000000000000000000000000000000000000000000101000000111111111111111111111
+100000000000000000000000000000000000000000011000001000000000000000000000
+100000000000000000000000000000000000000000011000001000000000000000000000
+10000000000000000000010000bb00001000000000010000000000000000000000000
+10000000000000000000000000b000000000000000010000000000000011111111111111111
+2333333333333333333333333333333333333333333333341111111111

src/GamePanel.java

@@ -66,10 +66,6 @@ public class GamePanel extends JPanel implements Runnable, KeyListener{
     }
     player = new Player(GAME_WIDTH/2, GAME_HEIGHT/2, 'W', 'A', 'S', 'D', spriteArray); //create a player controlled player, set start location to middle of screenk
     // the height of 35 is set because it is half of the original tile height (i.e., 70px)
-    map.add(new SingleTile(1000, 500, box));
-    map.add(new SingleTile(700, 400, boxCoin));
-    map.add(new SingleTile(1000, 300, boxCoin));
-    map.add(new Tile(700, 200));
     this.setFocusable(true); //make everything in this class appear on the screen
     this.addKeyListener(this); //start listening for keyboard input
 
@@ -99,10 +95,11 @@ public class GamePanel extends JPanel implements Runnable, KeyListener{
   //call the draw methods in each class to update positions as things move
   public void draw(Graphics g, int frame){
     background.draw(g);
-    frameCounter += player.draw(g, frame);
-    for(Tile i: map){
-      i.draw(g);
+
+    for(int i=0; i<map.size(); i++){
+      map.get(i).draw(g);
     }
+    frameCounter += player.draw(g, frame);
   g.drawString(camera.x+" "+map.get(0).x,100,100);
   }
 
@@ -117,7 +114,7 @@ public class GamePanel extends JPanel implements Runnable, KeyListener{
     player.isGrounded = false;
 
     for (Tile i : map) {
-      i.collide(player);
+      i.update();
     }
     //force player to remain on screen
     if (player.y <= 0) {

src/MapReader.java

@@ -12,12 +12,12 @@ public class MapReader {
     */
     public static void inputMap(ArrayList<Tile> map, String filePath) throws IOException, SpriteException {
       String file = FileManager.readFile(filePath);
-      int x = 0;
+      int x = -GamePanel.WIDTH*Tile.length;
       int y = 0;
       for(int i=0; i<file.length(); i++){
           if(file.charAt(i)=='\n'){
               y+=Tile.length;
-              x=0;
+              x= -GamePanel.WIDTH*Tile.length;
           }
           else if(file.charAt(i)=='1'){
               map.add(new SingleTile(x,y, GamePanel.getImage("img/tiles/terrain/grass.png")));
@@ -27,6 +27,9 @@ public class MapReader {
               map.add(new SingleTile(x,y, GamePanel.getImage("img/tiles/terrain/grassMid.png")));
           } else if(file.charAt(i)=='4'){
               map.add(new SingleTile(x,y, GamePanel.getImage("img/tiles/terrain/grassRight.png")));
+          } else if(file.charAt(i)=='b'){
+              map.add(new SingleTile(x,y, GamePanel.getImage("img/tiles/boxes/box.png")));
+              map.get(map.size()-1).collision = false;
           }
           x+=Tile.length;
       }

src/Player.java

@@ -53,33 +53,84 @@ public class Player extends GenericSprite {
       downPressed = true;
 
     }
-    move();
   }
 
   // stops moving paddle when key is released
   public void keyReleased(KeyEvent e) {
     if(e.getKeyChar() == 'd'){
       rightPressed = false;
-      move();
     }
     if(e.getKeyChar() == 'a'){
       leftPressed = false;
-      move();
     }
     if(e.getKeyChar() == 'w'){
       upPressed = false;
-      move();
     }
     if(e.getKeyChar() == 's'){
       downPressed = false;
-      move();
     }
   }
 
+  private boolean collide(Tile tile, double x, double y){
+//    if(tile.realX-x>PLAYER_WIDTH&&x-tile.realX<Tile.length){
+//      System.out.println("Ligma");
+//      return true;
+//    }
+ // System.out.println("")
+    if(!tile.collision){
+      return false;
+    }
+    if(x+PLAYER_WIDTH>tile.realX&&x<tile.realX+Tile.length&&y-tile.y<Tile.length&&tile.y-y<PLAYER_HEIGHT){
+      return true;
+    }
+    return false;
+  }
   // calls parent
+
+  private boolean canUpdate(double x, double y){
+    boolean canUpdate = true;
+    for(Tile i: GamePanel.map){
+      if(collide(i,this.x+x,this.y+y)){
+        canUpdate = false;
+        break;
+      }
+    }
+    return canUpdate;
+  }
   public void move(){
-    y = y + (int)yVelocity;
-    GamePanel.camera.x = GamePanel.camera.x + (int)xVelocity;
+
+    if(!canUpdate(xVelocity, 0)){
+      int updateAmount = 0;
+      if(xVelocity>0){
+        while(canUpdate(updateAmount, 0)){
+          updateAmount++;
+        }
+        GamePanel.camera.x+=updateAmount-1;
+      } else if(xVelocity<0){
+        while(canUpdate(updateAmount, 0)){
+          updateAmount--;
+        }
+        GamePanel.camera.x+=updateAmount+1;
+      }
+      xVelocity = 0;
+    } if(!canUpdate(0, yVelocity)){
+      if(yVelocity>0){
+        while(canUpdate(0,1)){
+          y+=1;
+        }
+        isGrounded = true;
+      } else if(yVelocity>0){
+        while(canUpdate(0,-1)){
+          y-=1;
+        }
+      }
+      yVelocity = 0;
+    }
+    if(canUpdate(xVelocity, yVelocity)) {
+      y = y + (int) yVelocity;
+      GamePanel.camera.x = GamePanel.camera.x + (int) xVelocity;
+    }
+
     if(rightPressed){
       xVelocity+=1;
     }
@@ -87,11 +138,17 @@ public class Player extends GenericSprite {
       xVelocity -= 1;
     }
     if(upPressed&isGrounded){
-      jump.start();
+      y-=1;
+      isGrounded = false;
+      if(canUpdate(0,-8)) {
+        jump.start();
+      }
       yVelocity = -10;
     }
     xVelocity*=0.9;
-    yVelocity+=0.3;
+    if(!isGrounded) {
+      yVelocity += 0.3;
+    }
     capSpeed();
   }
 

src/Tile.java

@@ -4,28 +4,19 @@ import java.awt.*;
 public class Tile {
     public int x;
     public int y;
+
+    public boolean collision;
+    public int realX;
     public static final int length = 35;
     public Tile(int x, int y){
+        collision = true;
         this.x = x;
         this.y = y;
     }
-
-    //Actions when tile interacts with sprites
-    public void collide(GenericSprite s){
-        int realX = x-GamePanel.camera.x;
-        if(s.x+s.WIDTH>realX&s.x<realX+length&&s.y+s.HEIGHT>=y&&s.y<=y+length){
-        if(s.x+s.WIDTH>realX+20&&s.x<realX+length-20&&y-s.y-s.HEIGHT<4){
-            s.isGrounded = true;
-            s.yVelocity = 0;
-            s.y = y-s.HEIGHT;
-        }
-        if(s.x+s.WIDTH<realX+length/2){
-            GamePanel.camera.x = x-s.WIDTH-GamePanel.GAME_WIDTH/2;
-        } else if(s.x>realX+length-length/2){
-            GamePanel.camera.x = x+length-GamePanel.GAME_WIDTH/2;
-        }
-        }
+    public void update(){
+        realX = x-GamePanel.camera.x;
     }
+
     public void draw(Graphics g){
         g.setColor(Color.black);
         g.fillRect(x-GamePanel.camera.x, y, length, length);