private void ShootBolt(FInt rotation, int midX, int midY)
{
FInt r = FPRadians.Normalize(rotation);
FInt velX = FInt.Create(Radians.GetXFromRotation((float)r.ToDouble(), (float)this.attSpeed.ToDouble()));
FInt velY = FInt.Create(Radians.GetYFromRotation((float)r.ToDouble(), (float)this.attSpeed.ToDouble()));
ProjectileEnemy projectile = ProjectileEnemy.Create(room, (byte)ProjectileEnemySubType.BoltBlue, FVector.Create(midX - 10, midY + 4), FVector.Create(velX, velY));
projectile.physics.SetGravity(FInt.Create(0));
projectile.rotation = (float)r.ToDouble();
}
public override void RunTick()
{
base.RunTick();
// Get Center Bounds
int midX = this.posX + this.bounds.MidX;
int midY = this.posY + this.bounds.MidY;
// Only change behaviors every 16 frames.
if (Systems.timer.frame16Modulus == 15)
{
this.WatchForCharacter(midX, midY);
}
// Check for any attack to make this round.
if (this.charWatched is Character && this.attack.AttackThisFrame())
{
// Get distance from Character, if applicable.
int destX = this.charWatched is Character ? this.charWatched.posX + this.charWatched.bounds.MidX - 10 : midX;
int destY = this.charWatched is Character ? this.charWatched.posY + this.charWatched.bounds.MidY - 10 : midY;
int distance = FPTrigCalc.GetDistance(FVector.Create(midX, midY), FVector.Create(destX, destY)).RoundInt;
if (distance < ViewDistance)
{
FInt rotation = FPRadians.GetRadiansBetweenCoords(midX, midY, destX, destY);
this.rotation = (float)rotation.ToDouble();
if (this.attCount != 2)
{
this.ShootBolt(rotation, midX, midY);
}
if (this.attCount > 1)
{
this.ShootBolt(rotation + attSpread, midX, midY);
this.ShootBolt(rotation - attSpread, midX, midY);
}
this.room.PlaySound(Systems.sounds.bolt, 0.6f, this.posX + 16, this.posY + 16);
}
}
}
public static FInt Asin(FInt F)
{
bool isNegative = F < 0;
F = Abs(F);
if (F > FInt.OneF)
{
throw new ArithmeticException("Bad Asin Input:" + F.ToDouble());
}
FInt f1 = mul(mul(mul(mul(new FInt(145103 >> FInt.SHIFT_AMOUNT, false), F) -
new FInt(599880 >> FInt.SHIFT_AMOUNT, false), F) +
new FInt(1420468 >> FInt.SHIFT_AMOUNT, false), F) -
new FInt(3592413 >> FInt.SHIFT_AMOUNT, false), F) +
new FInt(26353447 >> FInt.SHIFT_AMOUNT, false);
FInt f2 = PI / new FInt(2, true) - (Sqrt(FInt.OneF - F) * f1);
return(isNegative ? f2.Inverse : f2);
}
public override void CollidePosRight(int posX)
{
FInt velX = this.physics.velocity.X;
this.physics.touch.TouchRight();
this.physics.StopX();
this.physics.MoveToPosX(posX);
// Bounce Back
this.physics.velocity.X -= velX * bounceX;
// Bounce sound when it's sufficiently high enough.
if (velX > 2)
{
this.room.PlaySound(Systems.sounds.shellThud, (float)Math.Min(0.6f, velX.ToDouble() * 0.1f), this.posX + 16, this.posY + 16);
}
else
{
this.physics.velocity.X = FInt.Create(0);
}
}
public override void CollidePosDown(int posY)
{
FInt velY = this.physics.velocity.Y;
this.physics.touch.TouchDown();
this.physics.StopY();
this.physics.MoveToPosY(posY);
this.physics.velocity.X *= this.decelGround;
this.physics.velocity.Y -= velY * bounceY;
// Bounce sound when it's sufficiently high enough.
if (velY > 2)
{
this.room.PlaySound(Systems.sounds.shellThud, (float)Math.Min(0.8f, velY.ToDouble() * 0.1f), this.posX + 16, this.posY + 16);
}
else
{
this.physics.velocity.Y = FInt.Create(0);
}
}