public void generateEnemy(PseudoRandom tRand, int regionID, double x, double y, Action <List <Projectile> > OnFire, Action OnDamage, Action OnDeath)
{
double val = tRand.RandomDouble();
if (val > 0.2)
{
return;
}
else if (val > 0.05)
{
enemyShips.Add(new ShipBase(enemyShipGfx, Behavior.ShootConstantly, regionID / 3 + 2, 40, x, y, LineArt.PlayerShootPoints1)
{
OnWeaponFire = OnFire
});
}
else if (val > 0.005)
{
enemyShips.Add(new ShipBase(enemy2ShipGfx, Behavior.SpinShoot, regionID / 3 + 4, 5, x, y, LineArt.EnemyShip2_ShootPoints.Select(p => new PointF(p.X * 2f, p.Y * 2f)).ToList())
{
OnWeaponFire = OnFire
});
}
else
{
enemyShips.Add(new ShipBase(new UnitGraphics(Pens.Fuchsia, LineArt.BossShip), Behavior.Boss, regionID / 3 + 150, 6, x, y, LineArt.BossBulletPoints)
{
facing = Math.PI / 2, collider = new DCollider(LineArt.BossColliders), OnWeaponFire = OnFire
});
}
}
protected void GenerateFoesForRegion(int regionID)
{
var tRand = new PseudoRandom((uint)core.RandomInt(1024));
var myAngleFromCenter = Geometry.FixAngle(Math.Atan2(gs.currentPlayer.posY, gs.currentPlayer.posX));
//Sector angles should be smaller for farther-out regions
//This formula results in generating 100% of region 0, 67% of region 1, 50% of region 2, 40% of region 3, 6.25% of region 30...
var sectorCount = regionID + 2;
var sectorAngle = Math.PI * 2 / sectorCount;
var regionBaseAngle = regionID * 0.1; //Needed so that all the spawn points to the east aren't lined up
//Round myAngleFromCenter by sectorAngle (always a whole number of sectorAngles per circle)
var sectorID = (int)((myAngleFromCenter + regionBaseAngle) / sectorAngle) % sectorCount;
if (regionID == gs.regionID)
{
gs.sectorID = sectorID;
}
for (int sector = sectorID - 1; sector <= sectorID + 1; sector++)
{
var idx = (sector + sectorCount) % sectorCount;
if (!gs.regionSpawnRecord[regionID][idx])
{
gs.regionSpawnRecord[regionID][idx] = true;
var ringInner = gs.ringThickness * regionID; //Distance from the innermost part of this ring to the origin
var angle = idx * sectorAngle - regionBaseAngle;
var spawnCount = regionID + 5; //Number of chances to spawn an enemy in this sector
var subsectorAngle = sectorAngle / spawnCount; //Angles at which to potentially spawn enemies
//Randomly do or don't generate random enemies at each subsectorAngle within (minArc, maxArc)
for (int spawnIdx = 0; spawnIdx < spawnCount; spawnIdx++)
{
tRand.Next();
//Locate a random distance from the origin at this angle, but within the region
var subPos = tRand.RandomDouble() * gs.ringThickness;
var x = Math.Cos(angle) * (ringInner + subPos);
var y = Math.Sin(angle) * (ringInner + subPos);
gs.generateEnemy(tRand, regionID, x, y, onEnemyFireBasic, onEnemyDamagedBasic, onEnemyDeathBasic);
angle += subsectorAngle;
}
}
}
}
