ank Battle is a game in which each player controls a tank and attempts to hit th

Question

ank Battle is a game in which each player controls a tank and attempts to hit the other player(s) by adjusting the angle to aim at and the amount of power to use. You are provided with an existing Visual Studio project to use as a framework. Use of this framework is not optional. Note that you will be doing Windows Forms programming. which means that Visual Studio for Mac and MonoDevelop will likely be insufficient. Ensure that you have access to Visual Studio in order to work on this assignment. Download the Tank Battle Visual Studio project here. You will develop this assignment as a bottom-up implementation exercise. This means that you will work based off a specification that has already been prepared and implement classes and methods, one by one, first implementing those classes and methods that don't rely on other classes to operate, then implementing the classes and methods that rely on se and so forth. This means that it will take quite some time before a functioning tank game emerges out of this exercise. It also means you won't be able to test that you've plemented various parts of the program correctly except by doing your own testing.

Explanation / Answer

import java.awt.*;

import java.applet.*;

public class Tank extends Applet

{

final int NORTH = 1;

final int EAST = 2;

final int SOUTH = 3;

final int WEST = 4;

int direction, moveBy;

Color color;

Point target;

public int x, y, w, h;

public int maxX=400,maxY=360,minX=0,minY=0;

public int maxFire; // The maximum amount of shots allowed for the tank to fire at once

public int maxShells; // The max number of shells allowed to be fired

public boolean isMoving, isAlive, exploded;

Graphics g;

Tank(){

}

public Tank(int xpos, int ypos, Color c, int speed, int newDirection, int maxFire){

color = c;

this.x = xpos;

this.y = ypos;

this.direction = newDirection;

this.moveBy = speed;

this.isMoving = true;

this.maxFire = maxFire;

this.maxShells = 1000;

this.isAlive = false;

this.exploded = false;

}

public void move(){

switch (direction) {

case NORTH: if( (y-moveBy<minY) ){isMoving=false;} else { y -= moveBy;}break;

case EAST: if( (x+tankWidth()+moveBy)>maxX){isMoving=false;} else { x += moveBy;}break;

case SOUTH: if( (y+tankHeight()+moveBy)>maxY ){isMoving=false;} else { y += moveBy;}break;

case WEST: if( (x-moveBy<minX) ){isMoving=false;} else { x -= moveBy;}break;

}   

}

public void turn(int newDirection){

this.direction = newDirection;

}

public void turnAround(){

direction += 2;

if(direction>4)direction -= 4;

}

void explode(){

exploded = true;

}

public void paint(Graphics gr){

if (!isAlive)return;

g = gr;

if(exploded){

g.setColor(new Color(255,255,100));

g.fillOval(x,y,40,40);

g.setColor(new Color(255,255,170));

g.fillOval(x+5,y+5,30,30);

g.setColor(new Color(255,255,225));

g.fillOval(x+10,y+10,20,20);

isAlive = false;

isMoving = false;

//x = -100;

//y = -100;

exploded = false;

return;

}

//polygon canon wheels

int x11[] = {0+x,35+x,35+x,25+x,25+x,10+x,10+x,0+x};

int y11[] = {5+y,5+y,40+y,40+y,5+y,5+y,40+y,40+y};

int x12[] = {0+x,35+x,35+x,0+x,0+x,35+x,35+x,0+x};

int y12[] = {0+y,0+y,35+y,35+y,25+y,25+y,10+y,10+y};

int x13[] = x11;

int y13[] = {0+y,0+y,35+y,35+y,0+y,0+y,35+y,35+y};

int x14[] = {5+x,40+x,40+x,5+x,5+x,40+x,40+x,5+x};

int y14[] = y12;

int x1[][] = {x11,x12,x13,x14};

int y1[][] = {y11,y12,y13,y14};

//roundrect canon compartment

int x2[] = {5+x,5+x,5+x,10+x};

int y2[] = {10+y,5+y,5+y,5+y};

//rect canon case

int x3[] = {15+x,20+x,15+x,8+x};

int y3[] = {8+y,15+y,20+y,15+y};

int x3w[] = {5,12,5,12};

int y3h[] = {12,5,12,5};

//oval canon cap

int x4[] = {10+x,10+x,10+x,15+x};

int y4[] = {15+y,10+y,10+y,10+y};

//canon

int x5[] = {16+x,30+x,16+x,0+x};

int y5[] = {0+y,16+y,30+y,16+y};

int x5w[] = {3,10,3,10};

int y5h[] = {10,3,10,3};

int d = direction - 1;

//draw wheels

g.setColor(Color.black);

g.fillPolygon(x1[d], y1[d] ,8);

//draw compartment

g.setColor(color);

g.fillRoundRect(x2[d],y2[d],25,25,5,5);

//draw canon

g.setColor(Color.black);

g.fillRect(x5[d],y5[d],x5w[d],y5h[d]);

//draw canon case

g.setColor(new Color(47,79,79));

g.fillRect(x3[d],y3[d],x3w[d],y3h[d]);

//draw canon cap

g.setColor(Color.black);

g.fillOval(x4[d],y4[d],15,15);

}

int tankWidth(){

if(direction==1||direction==3)return 35;

else return 40;

}

int tankHeight(){

if(direction==2||direction==4)return 40;

else return 35;

}

}

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