public void Draw(ScreenCanvas screenCanvas, int iPictX, int iPictY)
{
const int iWriteTop = 100;
const int iLetterWidth = 200;
const int iLetterHeight = iLetterWidth * 2;
String strScore;
// Draw Score + Ships left justified
strScore = iScore.ToString("000000") + " ";
if (iShips > 10)
{
strScore += "^x" + (iShips - 1);
}
else
{
for (int i = 0; i < iShips - 1; i++)
{
strScore += "^";
}
}
TextDraw.DrawText(screenCanvas, strScore, TextDraw.Justify.LEFT,
iWriteTop, iLetterWidth, iLetterHeight, iPictX, iPictY);
// Draw HiScore Centered
strScore = iHiScore.ToString("000000");
TextDraw.DrawText(screenCanvas, strScore, TextDraw.Justify.CENTER,
iWriteTop, iLetterWidth, iLetterHeight, iPictX, iPictY);
}
public static void DrawText(ScreenCanvas screenCanvas, string strText,
Justify justification, int iTopLoc,
int iLetterWidth, int iLetterHeight,
int iPictX, int iPictY)
{
int iPrintStart;
switch (justification)
{
case Justify.LEFT:
iPrintStart = 100;
break;
case Justify.CENTER:
iPrintStart = (int)((iMaxX - strText.Length * iLetterWidth) / 2.0);
break;
case Justify.RIGHT:
iPrintStart = iMaxX - 100 - strText.Length * iLetterWidth;
break;
default:
return;
}
for (int i = 0; i < strText.Length; i++)
{
TextDraw.DrawLetter(screenCanvas, strText[i],
(int)((iPrintStart + i * iLetterWidth) / (double)iMaxX * iPictX),
(int)(iTopLoc / (double)iMaxY * iPictY),
(int)(iLetterWidth / (double)iMaxX * iPictX),
(int)(iLetterHeight / (double)iMaxY * iPictY));
}
}
public void DrawScreen(ScreenCanvas screenCanvas, int iPictX, int iPictY)
{
// Flip back and forth between "Game Over" and "Asteroids"
if ((iLetterSize > 1000) || (iLetterSize < 40))
{
iIncrement = -iIncrement;
if (iLetterSize < 40)
{
if (strTitle == "GAME OVER")
{
strTitle = "ASTEROIDS";
}
else
{
strTitle = "GAME OVER";
}
}
}
iLetterSize += iIncrement;
TextDraw.DrawText(screenCanvas, strTitle, TextDraw.Justify.CENTER,
iMaxY / 2 - iLetterSize, iLetterSize, iLetterSize * 2, iPictX, iPictY);
// Draw copyright notice
const int iTitleWidth = 200;
const int iTitleHeight = iTitleWidth * 2;
TextDraw.DrawText(screenCanvas, strCopyright, TextDraw.Justify.CENTER,
iMaxY - iTitleWidth * 3, iTitleWidth, iTitleHeight, iPictX, iPictY);
// Draw the asteroid belt
asteroids.Move();
asteroids.Draw(screenCanvas, iPictX, iPictY);
}
public void DrawScreen(ScreenCanvas sc, int iPictX, int iPictY, ref Score score)
{
Point ptCheck = new Point(0);
if (paused)
{
// Pause flashes on and off
if (iPauseTimer > PAUSE_INTERVAL / 2)
{
TextDraw.DrawText(sc, "PAUSE", TextDraw.Justify.CENTER,
iMaxY / 3, 200, 400, iPictX, iPictY);
}
if (--iPauseTimer < 0)
{
iPauseTimer = PAUSE_INTERVAL;
}
}
else // Do all game processing if game is not paused
{
// If no ship displaying, after explosions are done
// get a new one - or end the game
if (!ship.IsAlive() && (explosions.Count() == 0))
{
if (!score.HasReserveShips())
{
// Game over
inProcess = false;
}
else
{
if (asteroids.IsCenterSafe())
{
score.GetNewShip();
ship = new Ship(true);
}
}
}
// Create a new asteroid belt if
// no explosions and no asteroids
if ((explosions.Count() == 0) && (asteroids.Count() == 0))
{
asteroids = new AsteroidBelt(++iLevel);
}
// Move all objects
ship.Move();
foreach (Bullet bullet in shipBullets)
{
bullet.Move();
}
asteroids.Move();
explosions.Move();
// Check bullets for collisions
foreach (Bullet bullet in shipBullets)
{
if (bullet.AcquireLoc(ref ptCheck) && CheckPointInAsteroid(ptCheck, ref score))
{
explosions.AddExplosion(ptCheck);
bullet.Disable();
}
}
// Check ship for collisions
if (ship.IsAlive())
{
foreach (Point ptInShip in ship.pointsTransformed)
{
ptCheck.X = ptInShip.X + ship.GetCurrLoc().X;
ptCheck.Y = ptInShip.Y + ship.GetCurrLoc().Y;
if (CheckPointInAsteroid(ptCheck, ref score))
{
ExplodeShip();
break;
}
}
}
}
// Draw all objects
ship.Draw(sc, iPictX, iPictY);
foreach (Bullet bullet in shipBullets)
{
bullet.Draw(sc, iPictX, iPictY);
}
asteroids.Draw(sc, iPictX, iPictY);
explosions.Draw(sc, iPictX, iPictY);
// Draw the score
score.Draw(sc, iPictX, iPictY);
}
