// Currently broken.
public LineItem(PhysicalScene scene, Vector2 start, float rotation, float length)
: base(scene)
{
var end = start * length;
end = Vector2.Transform(end, Matrix.CreateRotationZ(rotation));
Body = BodyFactory.CreateEdge(scene.World, start, end);
}
public CircleItem(PhysicalScene scene, float radius)
: base(scene)
{
Body = BodyFactory.CreateCircle(scene.World, radius, 1f);
Body.UserData = this;
}
public static Obstacle CreateObstacle(PhysicalScene scene)
{
var obstacleTexture = BounceGame.ContentManager.Load<Texture2D>("obstacle");
var o = new Obstacle(scene, obstacleTexture);
return o;
}
public Paddle(PhysicalScene scene, Texture2D texture)
: base(scene)
{
this.Texture = texture;
origin = new Vector2(Texture.Width / 2, Texture.Height / 2);
DrawColor = Color.MidnightBlue;
var unitCircle = new UnitCircle();
//Body = BodyFactory.CreateRoundedRectangle(scene.World,
// ConvertUnits.ToSimUnits(texture.Width) * physicalScale.X, 0.35f,
// ConvertUnits.ToSimUnits(texture.Height) * physicalScale.Y, 0.15f,
// 10, 1f);
Body = BodyFactory.CreateSolidArc(scene.World,
2f, (float)Math.PI / 2.6f, 24, 1.8f, Vector2.UnitY * 1.6f, (float)Math.PI);
Body.BodyType = BodyType.Kinematic;
Body.Restitution = 1f;
Body.Friction = 0f;
scene.Input.OnKeyHoldDown += new KeyboardEvent(onKeyHoldDown);
Body.UserData = this;
}
public static Obstacle CreateObstacle(PhysicalScene scene, Vector2 spawnPosition)
{
var o = CreateObstacle(scene);
o.Body.Position = ConvertUnits.ToSimUnits(spawnPosition);
return o;
}
public static List<Obstacle> CreateRandomlyPositionedObstacles(PhysicalScene scene, Vector2 frameSize, int number)
{
var obstacleList = new List<Obstacle>();
var rectangleList = new List<Rectangle>();
Texture2D texture = BounceGame.ContentManager.Load<Texture2D>("obstacle");
Vector2 spawnPositionOffset = new Vector2(texture.Width / 2, (texture.Height / 2) * 5f);
for (int i = 0; i < number; i++)
{
Obstacle o = ItemFactory.CreateObstacle(scene,
VectorStructures.RandomPosition(frameSize, spawnPositionOffset));
o.UpdatePosition();
while (doesObstacleIntersect(o, rectangleList))
{
o.Body.Position = ConvertUnits.ToSimUnits(
VectorStructures.RandomPosition(frameSize, spawnPositionOffset));
o.UpdatePosition();
}
obstacleList.Add(o);
rectangleList.Add(o.Rectangle);
}
return obstacleList;
}
public static Metroid CreateMetroid(PhysicalScene scene)
{
var texture = BounceGame.ContentManager.Load<Texture2D>("metroid");
var m = new Metroid(scene, texture);
return m;
}
public static Metroid CreateMetroid(PhysicalScene scene, Vector2 spawnPosition)
{
var m = CreateMetroid(scene);
m.Body.Position = ConvertUnits.ToSimUnits(spawnPosition);
return m;
}
public static Brick CreateBrick(PhysicalScene scene, Vector2 spawnPosition)
{
var b = CreateBrick(scene);
b.Body.Position = ConvertUnits.ToSimUnits(spawnPosition);
return b;
}
public static List<RectangleItem> CreateFraming(PhysicalScene scene, Vector2 frameSize, int width)
{
var rectangles = new List<RectangleItem>();
float x = frameSize.X;
float y = frameSize.Y;
//The following algorithm is absolutely ridiculous, and was written purely for fun.
//That said, it works perfectly.
for (float i = 0f; i <= x; i += x)
{
for (float j = 0f; j <= y; j += y)
{
var newItem = ItemFactory.CreateRectangleItem(scene,
ConvertUnits.ToSimUnits(i == 0 ? (int)x : width),
ConvertUnits.ToSimUnits(i == 0 ? width : (int)y));
Vector2 position = new Vector2(
i == 0 ? x / 2 : (i + (j == 0 ? width / 2 : -i + (-width / 2))),
j == 0 ? (i == 0 ? -width / 2 : y / 2) : (i == 0 ? j + width / 2 : j / 2));
newItem.Body.Position = ConvertUnits.ToSimUnits(position);
newItem.Body.BodyType = BodyType.Static;
rectangles.Add(newItem);
}
}
return rectangles;
}
public static Paddle CreatePaddle(PhysicalScene scene, Vector2 spawnPosition)
{
var p = createPaddle(scene);
p.Body.Position = ConvertUnits.ToSimUnits(spawnPosition);
return p;
}
public RectangleItem(PhysicalScene scene, float width, float height)
: base(scene)
{
Body = BodyFactory.CreateRectangle(scene.World, width, height, 1f);
Rectangle = new Rectangle(0, 0, (int)ConvertUnits.ToDisplayUnits(width), (int)ConvertUnits.ToDisplayUnits(height));
Body.Restitution = 1f;
Body.UserData = this;
}
public static List<Brick> BrickRow(PhysicalScene scene, int numberOfBricks, Vector2 startingPosition, int pixelsApart)
{
var spawnPositions = VectorStructures.Row(numberOfBricks, startingPosition, pixelsApart);
var brickList = new List<Brick>((int)numberOfBricks);
foreach (Vector2 spawnPosition in spawnPositions)
brickList.Add(ItemFactory.CreateBrick(scene, spawnPosition));
return brickList;
}
public static PaddleBall CreatePaddleBall(PhysicalScene scene, Paddle paddle)
{
var texture = BounceGame.ContentManager.Load<Texture2D>("dragonBall");
var pb = new PaddleBall(scene, paddle, texture);
pb.FixToPaddle(
ConvertUnits.ToSimUnits(
Vector2.UnitY * pb.Texture.Height));
return pb;
}
public Brick(PhysicalScene scene, Texture2D texture)
: base(scene, ConvertUnits.ToSimUnits(texture.Width), ConvertUnits.ToSimUnits(texture.Height))
{
Body.BodyType = BodyType.Static;
Body.Restitution = 1f;
DrawColor = randomColor();
this.Texture = texture;
origin = new Vector2(Texture.Width / 2, Texture.Height / 2);
scene.Input.OnMouseHover += new MouseEvent(onMouseHover);
scene.Input.OnRightClickUp += new MouseEvent(onRightClickUp);
Body.UserData = this;
}
public PaddleBall(PhysicalScene scene, Paddle paddle, Texture2D texture)
: base(scene, ConvertUnits.ToSimUnits(texture.Width / 2f))
{
this.paddle = paddle;
this.Texture = texture;
this.origin = new Vector2(Texture.Width / 2, Texture.Height / 2);
Body.BodyType = BodyType.Dynamic;
Body.IgnoreGravity = true;
Body.Mass = 5f;
Body.Restitution = 1.0725f;
Body.Friction = 1f;
scene.Input.OnKeyDown += new KeyboardEvent(onKeyDown);
Body.OnCollision += new OnCollisionEventHandler(onCollision);
}
void Awake()
{
scene = GetComponent <PhysicalScene>();
scene.Load();
if (scene.integratorType == "explicit-euler")
{
integrator = new ExplicitEulerIntegrator();
}
else if (scene.integratorType == "symplectic-euler")
{
integrator = new SymplecticEulerIntegrator();
}
else
{
Debug.Assert(false, "Can Not Find Any Suitable Integrator.");
}
}
public static List<Metroid> MetroidColumn(PhysicalScene scene, int numberOfMetroids, Vector2 startingPosition, int pixelsApart)
{
var spawnPositions = VectorStructures.Column(numberOfMetroids, startingPosition, pixelsApart);
var metroidList = new List<Metroid>((int)numberOfMetroids);
var unitCircle = new UnitCircle();
int radiusIndex = 2;
foreach (Vector2 spawnPosition in spawnPositions)
{
var m = ItemFactory.CreateMetroid(scene, spawnPosition);
m.MotionRadius.X = (float)unitCircle.RadiansList.Values[radiusIndex];
metroidList.Add(m);
radiusIndex += 2;
}
return metroidList;
}
public Metroid(PhysicalScene scene, Texture2D texture)
: base(scene, ConvertUnits.ToSimUnits(texture.Width / 2))
{
this.Texture = texture;
origin = new Vector2(Texture.Width / 2, Texture.Height / 2);
unitCircle = new UnitCircle();
Body.IgnoreGravity = true;
Body.BodyType = BodyType.Dynamic;
Body.Mass = 1f;
Body.Friction = 0.25f;
Body.Restitution = 0.75f;
Body.AngularDamping = 0.075f;
scene.Input.OnKeyDown += new KeyboardEvent(onKeyDown);
scene.Input.OnMiddleClickDown += new MouseEvent(onMiddleClickDown);
Body.UserData = this;
}
public Samus(PhysicalScene scene, Texture2D texture)
: base(scene)
{
this.Texture = texture;
Body = BodyFactory.CreateCompoundPolygon(
scene.World, VectorStructures.TextureToBayazitList(Texture), 1f, true);
origin = VectorStructures.TextureToVertices(Texture).GetCentroid(); //Need the centroid, not center, for a polygon body shape.
Body.BodyType = BodyType.Dynamic;
Body.FixedRotation = true; //This causes Body.Mass to reset.
Body.Mass = 4.50f;
Body.Friction = .475f;
Body.Restitution = 0.55f;
Body.AngularDamping = 0.50f;
Body.LinearDamping = 0.25f;
scene.Input.OnKeyDown += new KeyboardEvent(onKeyPressDown);
scene.Input.OnKeyHoldDown += new KeyboardEvent(onKeyHoldDown);
scene.Input.OnKeyUp += new KeyboardEvent(onKeyUp);
Body.UserData = this;
}
public Obstacle(PhysicalScene scene, Texture2D texture)
: base(scene, ConvertUnits.ToSimUnits(texture.Width), ConvertUnits.ToSimUnits(texture.Height))
{
this.Texture = texture;
Body.BodyType = BodyType.Dynamic;
Body.Mass = 1f;
Body.Restitution = 0.1f * restitutionCoEf;
Body.Friction = 0.1f * frictionCoEf;
DrawColor = new Color(Vector4.UnitW);
origin = new Vector2(Texture.Width / 2, Texture.Height / 2);
scene.Input.OnKeyDown += new KeyboardEvent(onKeyDown);
scene.Input.OnKeyUp += new KeyboardEvent(onKeyUp);
scene.Input.OnLeftClickDown += new MouseEvent(onLeftClick);
scene.Input.OnRightClickDown += new MouseEvent(onRightClick);
scene.Input.OnMouseWheel += new MouseEvent(onMouseWheel);
scene.Input.OnMouseHover += new MouseEvent(onMouseHover);
Body.UserData = this;
initializeJoints();
}
public static List<Metroid> MetroidsNearItems(PhysicalScene scene, ICollection<PhysicalItem> items, Vector2 offsetFromItem, int percentChance)
{
var metroidList = new List<Metroid>();
if (items != null)
{
foreach (PhysicalItem item in items)
if (BounceGame.r.Next(1, 101) < percentChance)
{
metroidList.Add(ItemFactory.CreateMetroid(scene, new Vector2(
ConvertUnits.ToDisplayUnits(item.Body.Position.X) + offsetFromItem.X,
ConvertUnits.ToDisplayUnits(item.Body.Position.Y) - offsetFromItem.Y)));
}
}
return metroidList;
}
public static Samus CreateSamus(PhysicalScene scene)
{
var texture = BounceGame.ContentManager.Load<Texture2D>("samus");
return new Samus(scene, texture);
}
public static RectangleItem CreateRectangleItem(PhysicalScene scene, int width, int height)
{
return CreateRectangleItem(scene, (float)width, (float)height);
}
public static RectangleItem CreateRectangleItem(PhysicalScene scene, float width, float height)
{
var r = new RectangleItem(scene, width, height);
return r;
}
public static Samus CreateSamus(PhysicalScene scene, Vector2 spawnPosition)
{
var s = CreateSamus(scene);
s.Body.Position = spawnPosition;
return s;
}
private static Paddle createPaddle(PhysicalScene scene)
{
var texture = BounceGame.ContentManager.Load<Texture2D>("obstacle");
return new Paddle(scene, texture);
}
public static Brick CreateBrick(PhysicalScene scene)
{
var texture = BounceGame.ContentManager.Load<Texture2D>("brick");
return new Brick(scene, texture);
}
public void StepOneFrame(PhysicalScene scene)
{
m_DragDampingJob = new DragDampingJob
{
b = scene.m_DragDamping,
velocity = scene.m_Velocities,
gradiant = scene.m_gradiants,
};
m_SpringForceJob = new SpringForceJob
{
position = scene.m_Positions,
velocity = scene.m_Velocities,
springForces = scene.springForces,
edges = scene.edgeIndexList,
gradiant = scene.m_gradiants,
};
m_GravitationalForceJob = new GravitationalForceJob
{
mass = scene.m_masses,
position = scene.m_Positions,
gradiant = scene.m_gradiants,
gravitationalforces = scene.gravitationalforces,
};
m_GravityGradiantJob = new SimpleGravityJob
{
gravity = scene.m_Gravity,
gradiant = scene.m_gradiants,
mass = scene.m_masses,
fixes = scene.m_fixes,
};
m_ExplicitEulerJob = new ExplicitEulerJob
{
deltaTime = scene.dt,
velocity = scene.m_Velocities,
fixes = scene.m_fixes,
position = scene.m_Positions,
gradiant = scene.m_gradiants,
mass = scene.m_masses,
};
m_UpdateJob = new UpdateJob
{
position = scene.m_Positions,
gradiant = scene.m_gradiants,
};
m_PotentialEnergyJob = new PotentialEnergyJob
{
mass = scene.m_masses,
velocity = scene.m_Velocities,
position = scene.m_Positions,
gravity = scene.m_Gravity,
};
float springEnergy = m_SpringForceJob.Execute();
float gravitationalEnergy = m_GravitationalForceJob.Execute();
scene.totalEnergy = m_PotentialEnergyJob.Execute(springEnergy, gravitationalEnergy);
m_DragDampingJobHandle = m_DragDampingJob.Schedule(scene.objectCount, 64);
m_GravityGradiantJobHandle = m_GravityGradiantJob.Schedule(scene.objectCount, 64, m_DragDampingJobHandle);
m_ExplicitEulerJobHandle = m_ExplicitEulerJob.Schedule(scene.objectCount, 64, m_GravityGradiantJobHandle);
m_UpdateJobHandle = m_UpdateJob.Schedule(scene.m_TransformsAccessArray, m_ExplicitEulerJobHandle);
m_UpdateJobHandle.Complete();
}
public RectangleItem(PhysicalScene scene, int width, int height)
: this(scene, (float)width, (float)height)
{
}