Bomb Physics

src/GenericSprite.java

@@ -12,7 +12,9 @@ public class GenericSprite extends Rectangle{
   public double yVelocity;
   public double xVelocity;
   public final double SPEED = 20; //movement speed of ball
-  public final double speedCap = 5; //Speed cap of ball
+  public final double speedCapx = 50;
+
+  public final double speedCapy = 20;
   public int WIDTH; //size of ball
   public int HEIGHT; //size of ball
   public boolean rightPressed = false;
@@ -54,10 +56,15 @@ public class GenericSprite extends Rectangle{
   }
 
   public void capSpeed(){
-    if(xVelocity>speedCap){
-      xVelocity = speedCap;
-    } else if(xVelocity<-1*speedCap) {
-      xVelocity = -1*speedCap;
+    if(xVelocity>speedCapx){
+      xVelocity = speedCapx;
+    } else if(xVelocity<-1*speedCapx) {
+      xVelocity = -1*speedCapx;
+    }
+    if(yVelocity>speedCapy){
+      yVelocity = speedCapy;
+    } else if(yVelocity<-1*speedCapy) {
+      yVelocity = -1*speedCapy;
     }
   }
 

src/GlobalState.java

@@ -0,0 +1,3 @@
+public class GlobalState {
+    public static final int second = 10;
+}

src/Player.java

@@ -17,6 +17,7 @@ public class Player extends GenericSprite {
   public int lastXDirection, lastYDirection, lastFrame;
   public int upKey, downKey, rightKey, leftKey;
 
+  public static final int walkSpeedCap = 5;
   public boolean alive;
   private final Sound jump;
   // sA[0] is -x, -y
@@ -117,7 +118,7 @@ public class Player extends GenericSprite {
         }
         GamePanel.camera.x+=updateAmount+1;
       }
-      xVelocity = 0;
+      //xVelocity = 0;
     }
      if(!canUpdate(0, yVelocity)){
       if(yVelocity>0){
@@ -135,12 +136,17 @@ public class Player extends GenericSprite {
     if(canUpdate(xVelocity, yVelocity)) {
       y = y + (int) yVelocity;
       GamePanel.camera.x = GamePanel.camera.x + (int) xVelocity;
+    } else if(canUpdate(0,yVelocity)){
+      y = y + (int) yVelocity;
+    } else if(canUpdate(xVelocity,0)){
+      GamePanel.camera.x = GamePanel.camera.x + (int) xVelocity;
+      xVelocity*=0.2;
     }
 
-    if(rightPressed){
+    if(rightPressed && xVelocity<5){
       xVelocity+=1;
     }
-    if(leftPressed) {
+    if(leftPressed && xVelocity>-5) {
       xVelocity -= 1;
     }
     if(upPressed&isGrounded){

src/StickyBomb.java

@@ -11,21 +11,46 @@ public class StickyBomb extends GenericSprite{
     public int realX;
     BufferedImage sprite;
 
+    public int fuse;
+
+    public boolean alive;
+
     public StickyBomb(int x, int y, int length, int xVelocity, int yVelocity, BufferedImage sprite){
         super(x,y,length,length);
         this.length = length;
         this.xVelocity = xVelocity;
         this.yVelocity = yVelocity;
         this.sprite = sprite;
+        fuse = GlobalState.second*5;
         isMove = true;
+        alive = true;
     }
 
     public void update(){
         realX = x - GamePanel.camera.x;
     }
 
+    public void explode(){
+        double yDis = GamePanel.player.y+Player.PLAYER_HEIGHT/2-(y+length/2);
+        double xDis = GamePanel.player.x+Player.PLAYER_HEIGHT/2-(realX+length/2);
+        double hypo = Math.sqrt(yDis*yDis+xDis+xDis);
+        if(yDis!=0){
+            GamePanel.player.yVelocity = 10000/(yDis*hypo);
+        }
+        if(xDis!=0) {
+            GamePanel.player.xVelocity = 100000/(xDis*hypo);
+        }
+        GamePanel.player.capSpeed();
+        alive = false;
+    }
     public void move(){
         update();
+        if(fuse>0) {
+            fuse-=1;
+            if(fuse == 0) {
+                explode();
+            }
+        }
         if(isMove) {
             if(canUpdate(xVelocity, 0)&&canUpdate(0, yVelocity)&&!canUpdate(xVelocity, yVelocity)){
                 x += -Math.signum(xVelocity);
@@ -78,6 +103,8 @@ public class StickyBomb extends GenericSprite{
     }
 
     public void draw(Graphics g){
-        g.drawImage(sprite,x-GamePanel.camera.x,y, length, length, null);
+        if(alive) {
+            g.drawImage(sprite, x - GamePanel.camera.x, y, length, length, null);
+        }
     }
 }