public Logo Create()
{
Randomizer random = Randomizer.Current;
Size size = new Size(random.Get(0.02f, 0.08f));
var halfWidth = size.Width / 2f;
var doubleWidth = size.Width * 2f;
Rectangle view = screen.Viewport;
Vector2D position = new Vector2D(random.Get(doubleWidth, view.Width - doubleWidth), view.Bottom - size.Height / 2);
float direction = position.X > 0.5f ? -1 : 1;
if (random.Get(1, 100) >= 30) direction *= -1;
float r = direction > 0
? random.Get(0, view.Width - position.X - doubleWidth)
: random.Get(0, position.X - doubleWidth);
var h = random.Get(0.3f, view.Height - 0.05f);
var angle = Math.Atan((4 * h) / r);
if (angle == 0)
angle = 1.57079f;
var v0 = Math.Sqrt(r * MovingSprite.Gravity / Math.Sin(2 * angle));
var v_x = (float)(v0 * Math.Cos(angle));
var v_y = (float)(v0 * Math.Sin(angle));
v_x *= direction;
var data = new SimplePhysics.Data()
{
Gravity = new Vector2D(0f, MovingSprite.Gravity),
Velocity = new Vector2D(v_x, -v_y),
RotationSpeed = random.Get(10, 50) * direction
};
return new Logo("DeltaEngineLogo", Color.GetRandomBrightColor(), position, size, data);
}
public Earth(Vector2D position)
: base(ContentLoader.Load<Material>("Earth"), position)
{
var data = new SimplePhysics.Data { Gravity = new Vector2D(0.0f, 0.1f) };
Add(data);
Start<SimplePhysics.BounceIfAtScreenEdge>();
Start<SimplePhysics.Move>();
}
public Enemy()
: base(ContentLoader.Load<Material>("Earth"), Rectangle.FromCenter(
new Vector2D(Randomizer.Current.Get(), 0.1f), new Size(0.1f * 1.35f, 0.1f)))
{
var data = new SimplePhysics.Data { Gravity = new Vector2D(0.0f, 0.1f), Duration = 10 };
Add(data);
Start<SimplePhysics.Move>();
Start<SimplePhysics.KillAfterDurationReached>();
}
public Earth(Vector2D position)
: base(ContentLoader.Load<Material>("Earth"), position)
{
Add(new OutlineColor(Color.Red));
OnDraw<DrawPolygon2DOutlines>();
var data = new SimplePhysics.Data { Gravity = new Vector2D(0.0f, 0.1f) };
Add(data);
Start<SimplePhysics.BounceIfAtScreenEdge>();
Start<SimplePhysics.Move>();
}
//ncrunch: no coverage start
public Projectile(Vector2D startPosition, float angle)
: base(Rectangle.FromCenter(startPosition, new Size(.02f)))
{
Rotation = angle;
RenderLayer = (int)AsteroidsRenderLayer.Rockets;
missileAndTrails =
new ParticleSystem(ContentLoader.Load<ParticleSystemData>("MissileEffect"));
//Replacing usage of the ContentLoader we could do the following to dynamically create data:
//missileAndTrails = new ParticleSystem();
//var rocketData = new ParticleEmitterData
//{
// ParticleMaterial = ContentLoader.Load<Material>("Missile2D"),
// Size = new RangeGraph<Size>(new Size(0.025f, 0.025f), new Size(0.025f, 0.025f)),
// LifeTime = 0,
// SpawnInterval = 0.001f,
// MaximumNumberOfParticles = 1
//};
//var trailData = new ParticleEmitterData
//{
// ParticleMaterial = ContentLoader.Load<Material>("Projectile2D"),
// Size = new RangeGraph<Size>(new Size(0.02f, 0.03f), new Size(0.02f, 0.04f)),
// StartPosition =
// new RangeGraph<Vector3D>(new Vector3D(0.0f, 0.02f, 0.0f), new Vector3D(0.0f, 0.02f, 0.0f)),
// LifeTime = 2.2f,
// SpawnInterval = 0.2f,
// MaximumNumberOfParticles = 8
//};
//missileAndTrails.AttachEmitter(new ParticleEmitter(trailData, Vector3D.Zero));
//missileAndTrails.AttachEmitter(new ParticleEmitter(rocketData, Vector3D.Zero));
//missileAndTrails.AttachedEmitters[0].EmitterData.DoParticlesTrackEmitter = true;
//missileAndTrails.AttachedEmitters[1].EmitterData.DoParticlesTrackEmitter = true;
//foreach (var emitter in missileAndTrails.AttachedEmitters)
// emitter.EmitterData.StartRotation =
// new RangeGraph<ValueRange>(new ValueRange(Rotation, Rotation),
// new ValueRange(Rotation, Rotation));
missileAndTrails.Orientation = Quaternion.FromAxisAngle(Vector3D.UnitZ, Rotation);
var data = new SimplePhysics.Data
{
Gravity = Vector2D.Zero,
Velocity =
new Vector2D(MathExtensions.Sin(angle) * ProjectileVelocity,
-MathExtensions.Cos(angle) * ProjectileVelocity)
};
Add(data);
Start<MoveAndDisposeOnBorderCollision>();
}
//ncrunch: no coverage start
public Projectile(Vector2D startPosition, float angle)
: base(Rectangle.FromCenter(startPosition, new Size(.02f)))
{
Rotation = angle;
RenderLayer = (int)AsteroidsRenderLayer.Rockets;
// ParticleSystemData can very well be loaded by a ContentLoader, unused for simplicity in M5
//missileAndTrails =
// new ParticleSystem(ContentLoader.Load<ParticleSystemData>("MissileEffect"));
missileAndTrails = new ParticleSystem();
var rocketData = new ParticleEmitterData
{
ParticleMaterial = ContentLoader.Load<Material>("Missile2D"),
Size = new RangeGraph<Size>(new Size(0.025f, 0.025f), new Size(0.025f, 0.025f)),
LifeTime = 0,
SpawnInterval = 0.001f,
MaximumNumberOfParticles = 1
};
var trailData = new ParticleEmitterData
{
ParticleMaterial = ContentLoader.Load<Material>("Projectile2D"),
Size = new RangeGraph<Size>(new Size(0.02f, 0.03f), new Size(0.02f, 0.04f)),
StartPosition =
new RangeGraph<Vector3D>(new Vector3D(0.0f, 0.02f, 0.0f), new Vector3D(0.0f, 0.02f, 0.0f)),
LifeTime = 2.2f,
SpawnInterval = 0.2f,
MaximumNumberOfParticles = 8
};
missileAndTrails.AttachEmitter(new ParticleEmitter(trailData, Vector3D.Zero));
missileAndTrails.AttachEmitter(new ParticleEmitter(rocketData, Vector3D.Zero));
missileAndTrails.AttachedEmitters[0].EmitterData.DoParticlesTrackEmitter = true;
missileAndTrails.AttachedEmitters[1].EmitterData.DoParticlesTrackEmitter = true;
foreach (var emitter in missileAndTrails.AttachedEmitters)
emitter.EmitterData.StartRotation =
new RangeGraph<ValueRange>(new ValueRange(Rotation, Rotation),
new ValueRange(Rotation, Rotation));
var data = new SimplePhysics.Data
{
Gravity = Vector2D.Zero,
Velocity =
new Vector2D(MathExtensions.Sin(angle) * ProjectileVelocity,
-MathExtensions.Cos(angle) * ProjectileVelocity)
};
Add(data);
Start<MoveAndDisposeOnBorderCollision>();
}
private Asteroid(Rectangle drawArea, InteractionLogic interactionLogic, int sizeModifier)
: base(new Material(Shader.Position2DColorUV, "Asteroid"), drawArea)
{
var randomizer = Randomizer.Current;
this.interactionLogic = interactionLogic;
this.sizeModifier = sizeModifier;
RenderLayer = (int)AsteroidsRenderLayer.Asteroids;
var data = new SimplePhysics.Data
{
Gravity = Vector2D.Zero,
Velocity = GetInitialVelocity(randomizer),
RotationSpeed = randomizer.Get(.1f, 50)
};
Add(data);
Start<SimplePhysics.Move>();
Start<MoveCrossingScreenEdges>();
Start<SimplePhysics.Rotate>();
}
public BouncingLogo()
: base(new Material(ShaderFlags.Position2DColoredTextured, "DeltaEngineLogo"), Vector2D.Half)
{
Color = Color.GetRandomColor();
var data = new SimplePhysics.Data
{
RotationSpeed = random.Get(-50, 50),
Velocity = new Vector2D(random.Get(-0.4f, 0.4f), random.Get(-0.4f, 0.4f)),
Bounced = () =>
{
if (sound.NumberOfPlayingInstances < 4)
sound.Play(0.1f);
}
};
Add(data);
Start<SimplePhysics.BounceIfAtScreenEdge>();
Start<SimplePhysics.Rotate>();
new Command(Command.Click, position => Center = position);
}
} //ncrunch: no coverage end
private static void AddFallingBrick(Entity2D brick, Material material)
{
var fallingBrick = new Sprite(material, brick.DrawArea)
{
Color = brick.Color,
RenderLayer = (int)BlocksRenderLayer.FallingBrick,
};
var random = Randomizer.Current;
var data = new SimplePhysics.Data
{
Velocity = new Vector2D(random.Get(-0.5f, 0.5f), random.Get(-1.0f, 0.0f)),
RotationSpeed = random.Get(-360, 360),
Duration = 5.0f,
Gravity = new Vector2D(0.0f, 2.0f)
};
fallingBrick.Add(data);
fallingBrick.Start<SimplePhysics.Move>();
}
