//=============================================================================
// Update all game items
//=============================================================================
void Spacewar::update()
{
if(input->isKeyDown(ESC_KEY))
{
exitGame();
}
if(ship.getActive())
{
ship.update(frameTime, shoot);
if(powerupActive)
{
shootTime += 3*frameTime;
powerupTime += frameTime;
if(powerupTime >= POWERUP_DURATION)
{
powerupActive = false;
}
}
else
{
shootTime += frameTime;
}
if(shoot && shootTime >= SHIP_SHOOT_DELAY)
{
spawnBullet(VECTOR2(ship.getX()+(shipNS::SCALE*ship.getWidth()*3)/4,
ship.getY()+(shipNS::SCALE*ship.getHeight()/2)),
VECTOR2(bulletNS::SPEED,0));
audio->playCue(PEW);
shootTime = 0;
}
}
if(timeSincePowerupSpawn >= POWERUP_FREQUENCY)
{
spawnPowerup(VECTOR2(GAME_WIDTH,(GAME_HEIGHT/4)+rand()%(GAME_HEIGHT/2)),VECTOR2(-1*powerNS::SPEED,0));
timeSincePowerupSpawn = 0;
}
timeSincePowerupSpawn += frameTime;
for(int i=0; i<MAX_GUNS; i++)
{
if(guns[i].getActive())
{
guns[i].update(frameTime, shoot);
if(shoot)
{
spawnEnemyBullet(VECTOR2(guns[i].getX()+(gunNS::SCALE*guns[i].getWidth()*3)/4,
guns[i].getY()+(gunNS::SCALE*guns[i].getHeight()*3)/8),
VECTOR2(enemyBulletNS::SPEED,0));
audio->playCue(PEW);
}
}
}
for(int i=0; i<MAX_BULLETS; i++)
{
if(bullets[i].getActive())
bullets[i].update(frameTime);
}
for(int i=0; i<MAX_ENEMY_BULLETS; i++)
{
if(enemyBullets[i].getActive())
enemyBullets[i].update(frameTime);
}
if(power.getActive())
{
power.update(frameTime);
}
seconds_since_start = difftime( time(0), start);
//Begin Unarmed Asteroid spawning
if(seconds_since_start == 10) asterGroupSize = 3;
if(seconds_since_start == 20) asterGroupSize = 5;
if(seconds_since_start == 30) asterGroupSize = 8;
if(seconds_since_start == 40) asterGroupSize = 10;
if(seconds_since_start == 60) asterGroupSize = 20;
asteroidSpawnTime += frameTime;
if(asteroidCounter < asterGroupSize && asteroidCounter < MAX_ASTEROIDS && asteroidSpawnTime > ASTEROID_SPAWN_DELAY)
{
VECTOR2 newpos = VECTOR2(GAME_WIDTH, rand() % ((GAME_HEIGHT*7)/8+asteroidNS::HEIGHT)-GAME_HEIGHT/8-asteroidNS::HEIGHT);
VECTOR2 newdir = VECTOR2(GAME_WIDTH/6, rand() % GAME_HEIGHT) - newpos;
D3DXVec2Normalize(&newdir,&newdir);
spawnAsteroid(newpos,newdir*asteroidNS::SPEED);
asteroidCounter++;
asteroidSpawnTime = 0;
}
for(int i = 0; i < asteroidCounter; i++)
{
if(!asteroids[i].getActive()) asteroidCounter--;
}
for(int i=0; i<MAX_ASTEROIDS; i++)
{
if(asteroids[i].getActive())
asteroids[i].update(frameTime);
if(i%2) asteroids[i].setRadians(asteroids[i].getRadians() + ASTEROID_ROTATION_SPEED);//if an even index of the asteroids array, then rotate clockwise
else asteroids[i].setRadians(asteroids[i].getRadians() - ASTEROID_ROTATION_SPEED);//if an odd index of the asteroids array, then rotate counter clockwise
}
//End Unarmed Asteroid spawning
}
void render()
{
// Clears the buffer with this colour attribute
clearBuffer(0x00);
// Set up sample colours, and output shadings
const WORD colors[] = {
0x1A, 0x2B, 0x3C, 0x4D, 0x5E, 0x6F,
0xA1, 0xB2, 0xC3, 0xD4, 0xE5, 0xF6
};
COORD c;
// displays the framerate
std::ostringstream ss;
ss << std::fixed << std::setprecision(3);
ss << 1.0 / deltaTime << "fps";
c.X = ConsoleSize.X-9;
c.Y = 0;
writeToBuffer(c, ss.str());
// displays the elapsed time
ss.str("");
ss << elapsedTime << "secs";
c.X = 0;
c.Y = ConsoleSize.Y - 1;
writeToBuffer(c, ss.str(), 0x59);
if (!levelStart)
levelStart = initLevel();
renderShip();
moveBullets();
checkBulletCollision(enemyArr, levelInfo.number);
renderBullets();
if (!spawnBufferCount && enemiesSpawned < levelInfo.number)
{
if (spawnEnemy(enemyArr, levelInfo.number))
{
spawnBufferCount += levelInfo.spawnBuffer;
enemiesSpawned++;
}
}
else if (spawnBufferCount) spawnBufferCount--;
moveEnemy(enemyArr, levelInfo.number);
checkBulletCollision(enemyArr, levelInfo.number);
checkEnemyCollision(enemyArr, levelInfo.number);
renderEnemy(enemyArr, levelInfo.number);
if (levelInfo.bullets)
{
if (spawnEnemyBullet(enemyArr))
{
spawnBufferCount += bulletInfo.spawnBuffer;
}
moveEnemy(enemyBulletArr, bulletInfo.number);
checkEnemyCollision(enemyBulletArr, bulletInfo.number);
renderEnemy(enemyBulletArr, bulletInfo.number);
}
// Writes the buffer to the console, hence you will see what you have written
flushBufferToConsole();
if (enemiesSpawned == levelInfo.number)
{
if (checkClear(enemyArr, levelInfo.number))
{
levelStart = false;
enemiesSpawned = 0;
spawnBufferCount = 0;
delete[] enemyArr;
delete[] enemyBulletArr;
levelInfo.level = levelInfo.nextLevel;
}
}
}
