/// <summary>
/// moves the tank to fall down one tile is possible
/// </summary>
/// <returns>true if tank has fallen one tile down , otherwise false</returns>
public bool ProcessGravity()
{
bool tankMoved;
Battlefield currentFight;
int fallingDamage = 1;
// check to see if tank is still alive
if (!TankExists())
{
// if destroyed
tankMoved = false;
return(tankMoved);
}
else
{
//find current battefield
currentFight = tankInGame.GetLevel();
//test location below tank for terrain
if (currentFight.TankFits(tankPosX, tankPosY + 1))
{
// if terrain is found then tank doesnt move
tankMoved = false;
return(tankMoved);
}
else
{
//tank falls and takes damage
tankPosY++;
DamagePlayer(fallingDamage);
//check to see if tank has fallen to the bottom of map
if (tankPosY >= (Battlefield.HEIGHT - TankModel.HEIGHT))
{
//destroy tank as it has fallen off the map
tankDurbility = -1;
}
// tank has moved so change bool and return
tankMoved = true;
return(tankMoved);
}
}
}
/// <summary>
/// draws the terrain of the battle in its current state.
/// </summary>
private void DrawBackground()
{
//set variables needed to draw terrain
Graphics graphics = backgroundGraphics.Graphics;
Image background = backgroundImage;
graphics.DrawImage(backgroundImage, new Rectangle(0, 0, displayPanel.Width, displayPanel.Height));
Random myRandom = new Random();
Battlefield battlefield = currentGame.GetLevel();
//create a brush for the color of terrain
Brush brush = new SolidBrush(Color.WhiteSmoke);
int random; // stores randomize colour choice
//test for terrain inside the battle
for (int y = 0; y < Battlefield.HEIGHT; y++)
{
// go along each row looking for giving each block a colour
for (int x = 0; x < Battlefield.WIDTH; x++)
{
//top of the terrain should be white for skyscrappers
if (y <= 10)
{
brush = new SolidBrush(Color.WhiteSmoke);
}
//following the skyscrappers tops , their should be lights and other colour to represent window glare
if (Battlefield.HEIGHT / 3.6 > y && y > 10)
{
random = myRandom.Next(0, 16);
switch (random)
{
default:
brush = new SolidBrush(Color.Silver);
break;
case (1):
brush = new SolidBrush(Color.SlateGray);
break;
case (2):
brush = new SolidBrush(Color.LightYellow);
break;
}
}
//following the body of a building their should be a green landing to be the base of a building
if (y >= Battlefield.HEIGHT / 3.6 && y < Battlefield.HEIGHT / 3.3)
{
random = myRandom.Next(0, 15);
switch (random)
{
default:
brush = new SolidBrush(Color.ForestGreen);
break;
case (1):
brush = new SolidBrush(Color.Silver);
break;
case (2):
brush = new SolidBrush(Color.SaddleBrown);
break;
}
}
// now the terrain in below ground level , shows diffferent mineral desposits and roots growing underground
if (y > Battlefield.HEIGHT / 3.3 && Battlefield.HEIGHT / 2 > y)
{
random = myRandom.Next(0, 25);
switch (random)
{
default:
brush = new SolidBrush(Color.SaddleBrown);
break;
case (1):
brush = new SolidBrush(Color.LightGray);
break;
case (2):
brush = new SolidBrush(Color.SlateGray);
break;
case (3):
brush = new SolidBrush(Color.DarkSlateGray);
break;
case (4):
brush = new SolidBrush(Color.ForestGreen);
break;
}
}
// this terrain is deep in the ground and should be only ground and hard desposits
if (Battlefield.HEIGHT / 2 <= y && y < Battlefield.HEIGHT * .80)
{
random = myRandom.Next(1, 25);
switch (random)
{
default:
brush = new SolidBrush(Color.SaddleBrown);
break;
case (2):
brush = new SolidBrush(Color.DarkSlateGray);
break;
case (3):
brush = new SolidBrush(Color.SlateGray);
break;
}
}
// terrain is nearing the bottom of the map and black should be introduced
if (y >= Battlefield.HEIGHT * .80 && y < Battlefield.HEIGHT * .91)
{
random = myRandom.Next(1, 5);
switch (random)
{
default:
brush = new SolidBrush(Color.DarkSlateGray);
break;
case (2):
brush = new SolidBrush(Color.SaddleBrown);
break;
case (1):
brush = new SolidBrush(Color.SaddleBrown);
break;
case (3):
brush = new SolidBrush(Color.Black);
break;
}
}
// at the bottom of the map , should only be blackness and a bit of hard desposits
if (y >= Battlefield.HEIGHT * .91)
{
random = myRandom.Next(1, 10);
switch (random)
{
default:
brush = new SolidBrush(Color.Black);
break;
//case (1):
// brush = new SolidBrush(Color.SaddleBrown);
// break;
case (3):
brush = new SolidBrush(Color.DarkSlateGray);
break;
}
}
// draw the block to the graphics to be rendered on the screen
if (battlefield.Get(x, y))
{
// find the points of the block scaled to the displayPanel size
int drawX1 = displayPanel.Width * x / Battlefield.WIDTH;
int drawY1 = displayPanel.Height * y / Battlefield.HEIGHT;
int drawX2 = displayPanel.Width * (x + 1) / Battlefield.WIDTH;
int drawY2 = displayPanel.Height * (y + 1) / Battlefield.HEIGHT;
//draw block
graphics.FillRectangle(brush, drawX1, drawY1, drawX2 - drawX1, drawY2 - drawY1);
}
}
}
}
