// Spawns a few planets
public void SpawnPlanets(List<Particle> List, int count)
{
for (int i = 0; i < count; i++)
{
Texture2D text = null;
int ran = r.Next(6);
if (ran == 0)
{
text = Planet1;
}
else if (ran == 1)
{
text = Planet2;
}
else if (ran == 2)
{
text = Planet3;
}
else if (ran == 3)
{
text = Planet4;
}
else if (ran == 4)
{
text = Planet5;
}
else if (ran == 5)
{
text = Planet6;
}
Vector2 pos = new Vector2(r.Next(-100, 1380), r.Next(-100, 820));
Particle p = new Particle(text, pos);
float xVel = (float)(r.Next(-100, 100) / 3000.0f);
float yVel = (float)(r.Next(-100, 100) / 3000.0f);
p.Velocity = new Vector2(xVel, yVel);
p.Rotation = (float)(r.Next(628) / 10.0f);
p.Scale = (float)(r.Next(50, 125) / 100.0f);
p.PlanetParticle = true;
List.Add(p);
}
}
// Spawn a trail behind a pod
public void SpawnTrail(int count, Texture2D texture, Vector2 Pos, float rotation, float fadePerFrame)
{
for (int i = 0; i < count; i++)
{
Particle p = null;
if (ParticlePool.Count > 0)
{
p = ParticlePool.Pop();
p.Reset();
p.Texture = texture;
p.Position = Pos;
}
else
{
p = new Particle(texture, Pos);
}
float vel = (float)(r.Next(20) + 10) / 10.0f;
float rotVar = (float)(r.Next(-30, 30) / 100.0f);
p.Velocity.X = (float)(vel * Math.Cos((double)(rotation + rotVar)));
p.Velocity.Y = (float)(vel * Math.Sin((double)(rotation + rotVar)));
p.FadeDecrease = fadePerFrame;
p.LightFadeParticle = true;
TrailParticles.Add(p);
}
}
// Spawns a light fade with set scale
public void SpawnLightFade(Vector2 Pos, BulletType bt, float fadePerFrame, float newScale)
{
// Choose the right texture
Texture2D texture;
if (bt.Equals(RedBullet))
{
texture = RedLight;
}
else if (bt.Equals(BlueBullet))
{
texture = BlueLight;
}
else if (bt.Equals(GreenBullet))
{
texture = GreenLight;
}
else
{
texture = YellowLight;
}
Particle p = null;
if (ParticlePool.Count > 0)
{
p = ParticlePool.Pop();
p.Reset();
p.Texture = texture;
p.Position = Pos;
}
else
{
p = new Particle(texture, Pos);
}
p.Velocity = Vector2.Zero;
p.LightFadeParticle = true;
p.FadeDecrease = fadePerFrame;
p.Scale = newScale;
Particles.Add(p);
}
// Spawns a pulse
public void SpawnPulse(int count, Vector2 pos)
{
float vel = 15.0f;
// Spawns particles in a circle
for (float i = 0; i < (MathHelper.Pi * 2); i += ((MathHelper.Pi * 2) / count))
{
Vector2 velocity = new Vector2(vel * (float)Math.Cos(i), vel * (float)Math.Sin(i));
Particle p = new Particle(PulseTexture, pos);
p.Velocity = velocity;
PulseParticles.Add(p);
}
}
// Spawn explosion
public void SpawnExplosion(List<Particle> ParticleList, int count, Vector2 Pos, BulletType bt, int minVel, int range, float fadePerFrame)
{
for(int i = 0; i < count; i++)
{
float rotation = ((float)r.Next(628)) / 10.0f;
float vel = ((float)r.Next(range * 10)) / 10.0f;
vel += (float)minVel;
Vector2 velocity = new Vector2(vel * (float)Math.Cos(rotation), vel * (float)Math.Sin(rotation));
// Choose the right texture
Texture2D texture;
Color c = Color.White;
if (bt.Equals(RedBullet))
{
texture = RedExplosionParticle;
}
else if (bt.Equals(BlueBullet))
{
texture = BlueExplosionParticle;
}
else if (bt.Equals(GreenBullet))
{
texture = GreenExplosionParticle;
}
else if(bt.Equals(YellowBullet))
{
texture = YellowExplosionParticle;
}
else
{
texture = YellowGunExplosionParticle;
}
Particle p = null;
if (ParticlePool.Count > 0)
{
p = ParticlePool.Pop();
p.Reset();
p.Texture = texture;
p.Position = Pos;
}
else
{
p = new Particle(texture, Pos);
}
p.color = c;
p.Velocity = velocity;
p.Acceleration = -(p.Velocity / 200.0f);
p.ExplosionParticle = true;
if (fadePerFrame == 0)
{
p.RocketParticle = true;
}
p.FadeDecrease = fadePerFrame;
ParticleList.Add(p);
}
}
