bullet.java

本j2me坦克游戏是在Nokia平台下开发的

                        i <=
                        ( (collY + frameHeight - 1) / tileW *
                         (SuperTank.canvas.mapWidth / tileW) + collX / tileW + 1);
                        i += (SuperTank.canvas.mapWidth / tileW)) {
                        if (SuperTank.canvas.mapInfo[i] == 3) {
                           grassPaint = true;
                       }

                       if (SuperTank.canvas.mapInfo[i] != 0 &&
                           SuperTank.canvas.mapInfo[i] != 3) {
                           collFlag = true;
                           break;
                       }
                   }
                   }*/
                   }
               }

               break;

           case 2: //right
               collX = collX + frameWidth + tileW;
               BposX = posX - bombImage.getWidth() / 2;
               BposY = posY - bombImage.getHeight() / 2;
               if (collX - tileW + speed>= (SuperTank.canvas.mapWidth)) {
                   collFlag = true;
                   mapBlock = 0x0ffff;
                   BposX = SuperTank.canvas.mapOffsetX + SuperTank.canvas.mapWidth - bombImage.getWidth();
                   posX = SuperTank.canvas.mapOffsetX + SuperTank.canvas.mapWidth - frameWidth;
                   break;
               }
               else {
                   collFlag = false;
                   mapBlock = (collY / tileW - 1) * (SuperTank.canvas.mapWidth / tileW) +
                       collX / tileW;
                   for (i = (collY / tileW - 1) * (SuperTank.canvas.mapWidth / tileW) +
                        collX / tileW;
                        i <=
                        ( (collY + frameHeight - 1) / tileW *
                         (SuperTank.canvas.mapWidth / tileW) + collX / tileW + 1);
                        i += (SuperTank.canvas.mapWidth / tileW)) {
                       if (SuperTank.canvas.mapInfo[i] == 3) {
                           grassPaint = true;
                       }

                       if (SuperTank.canvas.mapInfo[i] != 0 &&
                           SuperTank.canvas.mapInfo[i] != 3) {
                           collFlag = true;
                           isContinue1 = false;
                           break;
                       }
                   }
                   if(starNum != 0 && speed > tileW && isContinue1){
                   	   collX = collX + tileW;
                   	   mapBlock = (collY / tileW - 1) * (SuperTank.canvas.mapWidth / tileW) +
                       collX / tileW;
                   for (i = (collY / tileW - 1) * (SuperTank.canvas.mapWidth / tileW) +
                        collX / tileW;
                        i <=
                        ( (collY + frameHeight - 1) / tileW *
                         (SuperTank.canvas.mapWidth / tileW) + collX / tileW + 1);
                        i += (SuperTank.canvas.mapWidth / tileW)) {
                       if (SuperTank.canvas.mapInfo[i] == 3) {
                           grassPaint = true;
                       }

                       if (SuperTank.canvas.mapInfo[i] != 0 &&
                           SuperTank.canvas.mapInfo[i] != 3) {
                           collFlag = true;
                   //        isContinue2 = false;
                           break;
                       }
                   }
               /*    if(starNum == 2 && (speed - tileW) >= tileW && isContinue2){
                   	   collX = collX + tileW;
                   	   mapBlock = (collY / tileW - 1) * (SuperTank.canvas.mapWidth / tileW) +
                       collX / tileW;
                   for (i = (collY / tileW - 1) * (SuperTank.canvas.mapWidth / tileW) +
                        collX / tileW;
                        i <=
                        ( (collY + frameHeight - 1) / tileW *
                         (SuperTank.canvas.mapWidth / tileW) + collX / tileW + 1);
                        i += (SuperTank.canvas.mapWidth / tileW)) {
                       if (SuperTank.canvas.mapInfo[i] == 3) {
                           grassPaint = true;
                       }

                       if (SuperTank.canvas.mapInfo[i] != 0 &&
                           SuperTank.canvas.mapInfo[i] != 3) {
                           collFlag = true;
                           break;
                       }
                   }
                   }*/
                   }
               }

               break;

           case 3: //up
               collY = collY - tileW;
               BposX = posX - bombImage.getWidth() / 2;
               BposY = posY - bombImage.getHeight() / 2;
               if (collY + tileW <= speed) {
                   collFlag = true;
                   mapBlock = 0x0ffff;
                   BposY = SuperTank.canvas.mapOffsetY;
                   posY = SuperTank.canvas.mapOffsetY;
                   break;
               }
               else {
                   collFlag = false;
                   mapBlock = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                       collX / tileW -1;
                   for (i = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        collX / tileW - 1;
                        i <=
                        collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        (collX + frameWidth - 1) / tileW; i++) {
                       //setup to repaint the grass
                       if (SuperTank.canvas.mapInfo[i] == 3) {
                            grassPaint = true;
                        }

                       if (SuperTank.canvas.mapInfo[i] != 0 &&
                           SuperTank.canvas.mapInfo[i] != 3) {
                           collFlag = true;
                           isContinue1 = false;
                           break;
                       }
                   }
                   if(starNum != 0 && speed > tileW && isContinue1){
                   	   collY = collY - tileW;
                   	   mapBlock = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                       collX / tileW - 1;
                   for (i = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        collX / tileW - 1;
                        i <=
                        collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        (collX + frameWidth - 1) / tileW; i++) {
                       //setup to repaint the grass
                       if (SuperTank.canvas.mapInfo[i] == 3) {
                            grassPaint = true;
                        }

                       if (SuperTank.canvas.mapInfo[i] != 0 &&
                           SuperTank.canvas.mapInfo[i] != 3) {
                           collFlag = true;
                    //       isContinue2 = false;
                           break;
                       }
                   }
               /*    if(starNum == 2 && (speed - tileW) >= tileW && isContinue2){
                   	   collY = collY - tileW;
                   	   mapBlock = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                       collX / tileW - 1;
                   for (i = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        collX / tileW - 1;
                        i <=
                        collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        (collX + frameWidth - 1) / tileW; i++) {
                       //setup to repaint the grass
                       if (SuperTank.canvas.mapInfo[i] == 3) {
                            grassPaint = true;
                        }

                       if (SuperTank.canvas.mapInfo[i] != 0 &&
                           SuperTank.canvas.mapInfo[i] != 3) {
                           collFlag = true;
                           break;
                       }
                   }
                   }*/
                   }
               }

               break;

           case 4: //down
               collY = collY + frameHeight;
               BposX = posX - bombImage.getWidth() / 2;
               BposY = posY - bombImage.getHeight() / 2;
               if (collY >= (SuperTank.canvas.mapHeight - speed)) {
                   collFlag = true;
                   mapBlock = 0x0ffff;
                   BposY = SuperTank.canvas.mapOffsetY + SuperTank.canvas.mapHeight -
                       bombImage.getHeight();
                   posY = SuperTank.canvas.mapOffsetY + SuperTank.canvas.mapHeight - frameHeight;
                   break;
               }
               else {
                   collFlag = false;
                   mapBlock = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                       collX / tileW - 1;
                   for (i = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        collX / tileW - 1;
                        i <=
                        collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        (collX + frameWidth - 1) / tileW; i++) {
                       //setup to repaint the grass
                       if (SuperTank.canvas.mapInfo[i] == 3) {
                            grassPaint = true;
                        }

                       if (SuperTank.canvas.mapInfo[i] != 0 &&
                           SuperTank.canvas.mapInfo[i] != 3) {
                           collFlag = true;
                           isContinue1 = false;
                           break;
                       }
                   }
                   if(starNum != 0 && speed > tileW && isContinue1){
                   	   collY = collY + tileW;
                   	   mapBlock = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                       collX / tileW - 1;
                   for (i = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        collX / tileW - 1;
                        i <=
                        collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        (collX + frameWidth - 1) / tileW; i++) {
                       //setup to repaint the grass
                       if (SuperTank.canvas.mapInfo[i] == 3) {
                            grassPaint = true;
                        }

                       if (SuperTank.canvas.mapInfo[i] != 0 &&
                           SuperTank.canvas.mapInfo[i] != 3) {
                           collFlag = true;
                  //         isContinue2 = false;
                           break;
                       }
                   }
              /*     if(starNum == 2 && (speed - tileW) >= tileW && isContinue2){
                   	   collY = collY + tileW;
                   	   mapBlock = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                       collX / tileW - 1;
                   for (i = collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        collX / tileW - 1;
                        i <=
                        collY / tileW * (SuperTank.canvas.mapWidth / tileW) +
                        (collX + frameWidth - 1) / tileW; i++) {
                       //setup to repaint the grass
                       if (SuperTank.canvas.mapInfo[i] == 3) {
                            grassPaint = true;
                        }

                       if (SuperTank.canvas.mapInfo[i] != 0 &&
                           SuperTank.canvas.mapInfo[i] != 3) {
                           collFlag = true;
                           break;
                       }
                   }
                   }*/
                   }
               }
               break;
           default:
               break;
       }
       return collFlag;
    }

    boolean isobjCollide( int objX, int objY, int width, int height ) {
    	boolean collFlag = false;
    	int i;

		if ( posX < (objX + width) && (posX + frameWidth) > objX &&
				posY < (objY + width) && (posY + frameHeight) > objY )
			collFlag = true;
    	return collFlag;
    }

}