/// <summary>
/// Draws the background image on the form.
///
/// Author AMS 2017
/// </summary>
private void DrawBackground()
{
Graphics graphics = backgroundGraphics.Graphics;
Image background = backgroundImage;
graphics.DrawImage(backgroundImage, new Rectangle(0, 0, displayPanel.Width, displayPanel.Height));
Terrain battlefield = currentGame.GetLevel();
Brush brush = new SolidBrush(landscapeColour);
for (int y = 0; y < Terrain.HEIGHT; y++)
{
for (int x = 0; x < Terrain.WIDTH; x++)
{
if (battlefield.IsTileAt(x, y))
{
int drawX1 = displayPanel.Width * x / levelWidth;
int drawY1 = displayPanel.Height * y / levelHeight;
int drawX2 = displayPanel.Width * (x + 1) / levelWidth;
int drawY2 = displayPanel.Height * (y + 1) / levelHeight;
graphics.FillRectangle(brush, drawX1, drawY1, drawX2 - drawX1, drawY2 - drawY1);
}
}
}
}
/// <summary>
///
/// This method calls the ControlledTank to fall down one tile if possible.
/// If the tank is moved due to the result of this method, it will return true,
/// otherwise it will be false
///
/// Author John Santias and Hoang Nguyen October 2017
///
/// </summary>
/// <returns> Returns true if tank is moved, otherwise returns false </returns>
public bool Gravity()
{
if (!Exists())
{
return(false);
}
Terrain t = game.GetLevel();
int x = GetX();
int y = GetYPos();
if (t.CheckTankCollision(x, y + 1))
{
return(false);
}
else
{
tankY++;
currentDur--;
if (tankY == Terrain.HEIGHT - TankModel.HEIGHT)
{
currentDur = 0;
return(true);
}
}
return(true);
}
