public void bounce(Projectile pro, Mob mob = null)
{
pro.physobj.pos = Vector2.Subtract(pro.physobj.pos, pro.physobj.vel);
if (mob == null)
{
pro.physobj.vel = Vector2.Negate(pro.physobj.vel);
}
else if (mob.physobj.shape == CollideMode.circle)
{
pro.physobj.vel = Vector2.Reflect(pro.physobj.vel, Vector2.Normalize(Vector2.Subtract(pro.physobj.pos, mob.physobj.pos)));
}
else if (mob.physobj.shape == CollideMode.box)
{
float relx = Math.Abs(pro.physobj.pos.X - mob.physobj.pos.X);
float rely = Math.Abs(pro.physobj.pos.Y - mob.physobj.pos.Y);
if (relx > rely)
{
//Console.WriteLine("x > y");
pro.physobj.vel = Vector2.Reflect(pro.physobj.vel, new Vector2(1, 0));
}
else
{
//Console.WriteLine("y > x");
pro.physobj.vel = Vector2.Reflect(pro.physobj.vel, new Vector2(0, 1));
}
}
else pro.physobj.vel = Vector2.Negate(pro.physobj.vel);
pro.physobj.move();
pro.angle = Physics.VectorToAngle(pro.physobj.vel);
}
public void fire(List<Projectile> shots, Vector2 origin, Vector2 target)
{
if (curcooldown <= 0)
{
for (int i = 0; i < projcount; i++)
{
Projectile pro = new Projectile(this, new PhysicsObject(origin), target);
Vector2 tvel;
if (projcount > 1 && spread > 0)
{
//give spreads the velocity for the appropriate angle
float thisang = Physics.VectorToAngle(Vector2.Subtract(target, origin)) + (i + 0.5f) * (spread / projcount) - (spread / 2);
tvel = Physics.AngleToVector(thisang);
}
else
{
//standard trajectory
tvel = Vector2.Normalize(Vector2.Subtract(target, origin));
}
if (inaccuracy != 0)
{
//add some inaccuracy
double thisdeviation = random.NextSample(0, inaccuracy);
tvel = Vector2.Transform(tvel, Matrix.CreateRotationZ((float)thisdeviation));
}
pro.physobj.vel = Vector2.Multiply(tvel, speed);
pro.physobj.pos = Vector2.Subtract(pro.physobj.pos, pro.physobj.vel);
pro.drawshot = drawshot;
pro.duration = duration;
pro.angle = Physics.VectorToAngle(pro.physobj.vel);
shots.Add(pro);
}
curcooldown = cooldown;
}
}
public void burst(Projectile pro, Mob mob = null)
{
for (float i = 0; i < Physics.twopi; i += 0.3f)
{
Projectile newpro = new Projectile(GameLogic.blankattack, new PhysicsObject(pro.physobj.pos), new Vector2());
newpro.physobj.vel = Vector2.Multiply(Physics.AngleToVector(i), 10);
newpro.angle = i;
newpro.drawshot = 5;
newpro.duration = 10;
GameLogic.particles.Add(newpro);
}
}
public void seek(Projectile pro)
{
if (pro.tarmob == null)
{
float neardist = 99999;
foreach (Enemy enemy in GameLogic.enemies)
{
float thisdist = Vector2.Subtract(pro.physobj.pos, enemy.physobj.pos).Length();
if ( thisdist < neardist)
{
neardist = thisdist;
pro.tarmob = enemy;
}
}
}
Vector2 seekvec = Vector2.Multiply(Vector2.Normalize(Vector2.Subtract(pro.tarmob.physobj.pos, pro.physobj.pos)), 1.5f);
pro.physobj.vel = Vector2.Add(pro.physobj.vel, seekvec);
pro.angle = Physics.VectorToAngle(pro.physobj.vel);
pro.physobj.chokespeed(10, 20);
}
public void testhit(Projectile pro, Mob mob = null)
{
Console.WriteLine("BOOM!");
}
public void fizzle(Projectile pro, Mob mob = null)
{
pro.duration = -1;
}
public void whirl(Projectile pro)
{
float angle = (pro.duration / 3.0f) % Physics.twopi;
pro.physobj.vel = Vector2.Add(pro.physobj.vel, Physics.AngleToVector(angle));
}
public void testtick(Projectile pro)
{
Console.WriteLine("TICK");
}
public void spinfast(Projectile pro)
{
pro.angle += 0.3f;
}
public void spin(Projectile pro)
{
pro.angle += 0.1f;
}
public void speedup(Projectile pro)
{
pro.physobj.vel = Vector2.Multiply(pro.physobj.vel, 1.04f);
}
public void slow(Projectile pro)
{
pro.physobj.vel = Vector2.Multiply(pro.physobj.vel, 0.97f);
}
public void ontick(Projectile pro)
{
handletick(pro);
}
public void onexpire(Projectile pro)
{
handleexpire(pro, null);
}
public void oncollide(Projectile pro, Mob mob)
{
handlecollide(pro, mob);
}