public override void begin(Entity holder)
{
var holder_pos = holder.get_component <Position>();
var holder_vel = holder.get_component <Velocity>();
var holder_angle = holder.get_component <Angle>();
for (int i = 0; i < 20; i++)
{
var bot = Fab5_Game.inst().create_entity(nanobot());
var pos = bot.get_component <Position>();
var vel = bot.get_component <Velocity>();
var theta = holder_angle.angle + 3.141592f - 0.15f + 0.3f * (float)rand.NextDouble();
var theta2 = holder_angle.angle + 3.141592f - 0.15f + 0.3f * (float)rand.NextDouble();
var theta3 = holder_angle.angle + 3.141592f - 0.5f * 3.141592f + 3.141592f * rand.Next(0, 2);
var speed1 = (0.5f + 0.5f * (float)rand.NextDouble());
var speed2 = (0.3f + 1.5f * (float)rand.NextDouble());
pos.x = holder_pos.x + 40.0f * (float)Math.Cos(theta);
pos.y = holder_pos.y + 40.0f * (float)Math.Sin(theta);
vel.x = holder_vel.x + speed1 * 350.0f * (float)Math.Cos(theta2) + (float)Math.Cos(theta3) * 360.0f * speed2;
vel.y = holder_vel.y + speed1 * 350.0f * (float)Math.Sin(theta2) + (float)Math.Sin(theta3) * 360.0f * speed2;
}
}
public static Entity create(float t, Action cb)
{
return(Fab5_Game.inst().create_entity(new Component[] {
new TTL {
destroy_cb = cb,
max_time = t
}
}));
}
public override void end()
{
var e = Fab5_Game.inst().get_entity(effect_id);
if (e != null)
{
e.destroy();
}
}
public override void begin(Entity holder)
{
var weapon = holder.get_component <Primary_Weapon>();
holder_id = holder.id;
Bullet_Factory.fire_burst_powerup(holder, weapon);
Fab5_Game.inst().message("weapon_fired", new { name = weapon.sound, entity1 = holder, varying_pitch = true });
}
public override void end() {
var holder = Fab5_Game.inst().get_entity(holder_id);
//if (holder != null) {
var v = holder.get_component<Velocity>();
v.ax = 0.0f;
v.ay = 0.0f;
//}
}
private void activate_effect(Entity holder)
{
var pos = holder.get_component <Position>();
var vel = holder.get_component <Velocity>();
effect_id = Fab5_Game.inst().create_entity(new Component [] {
new Particle_Emitter {
emit_fn = () => {
var theta1 = 2.0f * 3.1415f * (float)rand.NextDouble();
var theta2 = 2.0f * 3.1415f * (float)rand.NextDouble();
var radius = 13.0f * (float)rand.NextDouble();
var speed = 10.0f * (float)(0.05f + rand.NextDouble());
Color col = new Color(0.0f, 0.5f, 1.0f, 1.0f);
if ((float)rand.NextDouble() < 0.2f)
{
col = new Color(0.7f, 0.8f, 1.0f, 1.0f);
}
return(new Component [] {
new Mass {
drag_coeff = 1.9f
},
new Position {
x = pos.x + (float)Math.Cos(theta1) * radius,
y = pos.y + (float)Math.Sin(theta1) * radius
},
new Velocity {
x = vel.x * 0.5f + (float)Math.Cos(theta2) * speed,
y = vel.y * 0.5f + (float)Math.Sin(theta2) * speed
},
new Sprite {
blend_mode = Sprite.BM_ADD,
color = col,
layer_depth = 0.3f,
scale = 0.6f + (float)rand.NextDouble() * 0.4f,
texture = Fab5_Game.inst().get_content <Texture2D>("particle")
},
new TTL {
alpha_fn = (x, max) => 1.0f - (x * x) / (max * max),
max_time = 0.55f + 1.5f * (float)Math.Pow((rand.NextDouble() * 0.9f), 2.0f)
}
});
},
interval = 0.02f,
num_particles_per_emit = 1
}
}).id;
}
public override void end()
{
var e = Fab5_Game.inst().get_entity(effect_id);
if (e != null)
{
e.destroy();
}
var holder = Fab5_Game.inst().get_entity(holder_id);
var ship_mass = holder.get_component <Mass>();
ship_mass.mass = old_mass;
}
public override void end()
{
var e = Fab5_Game.inst().get_entity(effect_id);
if (e != null)
{
e.destroy();
}
var holder = Fab5_Game.inst().get_entity(holder_id);
var si = holder.get_component <Ship_Info>();
si.top_energy = old_top_energy;
si.recharge_rate = old_recharge_rate;
}
public override void end()
{
var e = Fab5_Game.inst().get_entity(effect_id);
if (e != null)
{
e.destroy();
}
var holder = Fab5_Game.inst().get_entity(holder_id);
//if (holder != null) {
var ship_info = holder.get_component <Ship_Info>();
ship_info.acceleration = old_acc;
ship_info.top_velocity = old_vel;
//}
}
public static Component[] create(Powerup_Impl impl)
{
Position pos;
Velocity vel;
Angle ang;
var powerup = new Component[] {
new Bounding_Circle {
radius = 16.0f, ignore_collisions = Bullet_Factory.IG_BULLET
},
pos = new Position {
x = -1800.0f, y = 1600.0f
},
new Sprite {
texture = Fab5_Game.inst().get_content <Texture2D>("powerup")
},
new Powerup {
impl = impl
},
vel = new Velocity {
x = 0.0f, y = 0.0f
},
ang = new Angle {
ang_vel = 3.14f * 0.7f, drag = 0.0f
},
new Light_Source {
color = new Color(0.0f, 1.0f, 0.31f), intensity = 0.5f
},
new TTL {
max_time = 60.0f
}, // auto-respawn lingering powerups
new Particle_Emitter {
emit_fn = () => {
if ((float)rand.NextDouble() > 0.8f)
{
return(null);
}
var theta1 = (2.0f / 5.0f) * 3.1415f * (float)rand.Next(0, 6);
var theta2 = 2.0f * 3.1415f * (float)rand.NextDouble();
var radius = 10.0f * (float)rand.NextDouble();
var speed = 150.0f * (float)(0.5f + rand.NextDouble());
var color = Color.White;
return(new Component [] {
new Mass {
drag_coeff = 5.9f
},
new Position {
x = pos.x + (float)Math.Cos(theta1) * radius,
y = pos.y + (float)Math.Sin(theta1) * radius
},
new Velocity {
x = vel.x * 0.5f + (float)Math.Cos(theta2) * speed,
y = vel.y * 0.5f + (float)Math.Sin(theta2) * speed
},
new Sprite {
blend_mode = Sprite.BM_ADD,
color = color,
layer_depth = 0.3f,
scale = 0.4f + (float)rand.NextDouble() * 0.7f,
texture = Fab5_Game.inst().get_content <Texture2D>("particle2")
},
new TTL {
alpha_fn = (x, max) => (1.0f - ((x * x * x) / (max * max * max))),
max_time = 0.55f + (float)Math.Pow((rand.NextDouble() * 1.2f), 2.0f)
}
});
},
interval = 0.3f,
num_particles_per_emit = 2
},
};
return(powerup);
}