/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
void Awake()
{
// PHYSICS INIT!
mWorld = new JelloPhysics.World();
// static ground object.
GameObject ground = new GameObject ();
JelloPhysics.ClosedShape groundShape = new JelloPhysics.ClosedShape ();
groundShape.begin();
groundShape.addVertex(new Vector2(-10f, -2f));
groundShape.addVertex(new Vector2(-10f, 2f));
groundShape.addVertex(new Vector2(10f, 2f));
groundShape.addVertex(new Vector2(10f, -2f));
groundShape.finish();
// make the body.
JelloPhysics.Body groundBody = new JelloPhysics.Body();
groundBody.Setup(mWorld, groundShape, float.PositiveInfinity, new Vector2(0f, -5f), 0f, Vector2.one, false);
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
void Awake()
{
// PHYSICS INIT!
mWorld = new JelloPhysics.World();
// static ground object.
GameObject ground = new GameObject();
JelloPhysics.ClosedShape groundShape = new JelloPhysics.ClosedShape();
groundShape.begin();
groundShape.addVertex(new Vector2(-10f, -2f));
groundShape.addVertex(new Vector2(-10f, 2f));
groundShape.addVertex(new Vector2(10f, 2f));
groundShape.addVertex(new Vector2(10f, -2f));
groundShape.finish();
// make the body.
JelloPhysics.Body groundBody = new JelloPhysics.Body();
groundBody.Setup(mWorld, groundShape, float.PositiveInfinity, new Vector2(0f, -5f), 0f, Vector2.one, false);
}
public void Setup(JelloPhysics.World w, JelloPhysics.ClosedShape s, float massPerPoint, float gasPressure,
float shapeSpringK, float shapeSpringDamp, float edgeSpringK, float edgeSpringDamp, Vector2 pos, float angleInRadians, Vector2 scale)
{
base.Setup(w, s, massPerPoint, gasPressure, shapeSpringK, shapeSpringDamp, edgeSpringK, edgeSpringDamp, pos, angleInRadians, scale, false);
mIndexList = new List <int>();
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
void Update()
{
// UPDATE the physics!
for (int i = 0; i < 3; i++)
mWorld.update(1 / 120f);
// cursor movement.
cursorPos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
// if the user presses the A button, create a new body at the cursor position.
if (Input.GetKeyDown(KeyCode.A))
{
GameObject s = new GameObject ();
JelloPhysics.ClosedShape shape = new JelloPhysics.ClosedShape ();
shape.begin();
shape.addVertex(new Vector2(-1.0f, 0f));
shape.addVertex(new Vector2(0f, 1.0f));
shape.addVertex(new Vector2(1.0f, 0f));
shape.addVertex(new Vector2(0f, -1.0f));
shape.finish();
DraggableSpringBody body = new DraggableSpringBody();
body.Setup(mWorld, shape, 1f, 150, 5,300,15, new Vector2(cursorPos.x, cursorPos.y),((float)UnityEngine.Random.Range(0,360)), Vector2.one);
body.addInternalSpring(0, 2, 400f, 12f);
body.addInternalSpring(1, 3, 400f, 12f);
}
if (Input.GetKeyDown(KeyCode.B))
{
GameObject s = new GameObject ();
JelloPhysics.ClosedShape shape = new JelloPhysics.ClosedShape ();
shape.begin();
for (int i = 0; i < 360; i += 20)
{
shape.addVertex(new Vector2((float)Mathf.Cos(((float)-i) * Mathf.Deg2Rad), (float)Mathf.Sin(((float)-i) * Mathf.Deg2Rad)));
}
shape.finish();
DraggablePressureBody pb = new DraggablePressureBody();
pb.Setup(mWorld, shape, 1.0f, 40.0f, 10.0f, 1.0f, 300.0f, 20.0f, cursorPos, 0, Vector2.one);
pb.addTriangle(0, 10, 9);
pb.addTriangle(0, 9, 1);
pb.addTriangle(1, 9, 8);
pb.addTriangle(1, 8, 2);
pb.addTriangle(2, 8, 7);
pb.addTriangle(2, 7, 3);
pb.addTriangle(3, 7, 6);
pb.addTriangle(3, 6, 4);
pb.addTriangle(4, 6, 5);
pb.addTriangle(17, 10, 0);
pb.addTriangle(17, 11, 10);
pb.addTriangle(16, 11, 17);
pb.addTriangle(16, 12, 11);
pb.addTriangle(15, 12, 16);
pb.addTriangle(15, 13, 12);
pb.addTriangle(14, 12, 15);
pb.addTriangle(14, 13, 12);
pb.finalizeTriangles(Color.white);
pb.addInternalSpring(0, 2, 400f, 12f);
pb.addInternalSpring(1, 3, 400f, 12f);
}
// dragging!
if (Input.GetMouseButton(0))
{
if (dragBody != null)
{
PointMass pm = dragBody.getPointMass(dragPoint);
if (dragBody.GetType().Name == "DraggableSpringBody")
((DraggableSpringBody)dragBody).setDragForce(JelloPhysics.VectorTools.calculateSpringForce(pm.Position, pm.Velocity, cursorPos, Vector2.zero, 0.0f, 100.0f, 10.0f), dragPoint);
else if (dragBody.GetType().Name == "DraggablePressureBody")
((DraggablePressureBody)dragBody).setDragForce(JelloPhysics.VectorTools.calculateSpringForce(pm.Position, pm.Velocity, cursorPos, Vector2.zero, 0.0f, 100.0f, 10.0f), dragPoint);
}
}
else
{
dragBody = null;
dragPoint = -1;
}
if (Input.GetMouseButtonDown(0))
{
if (dragBody == null)
{
int body;
mWorld.getClosestPointMass(cursorPos, out body, out dragPoint);
dragBody = mWorld.getBody(body);
}
}
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// create physics world.
#if XBOX360
graphics.PreferredBackBufferWidth = this.Window.ClientBounds.Width;
graphics.PreferredBackBufferHeight = this.Window.ClientBounds.Height;
graphics.PreferMultiSampling = true;
#else
graphics.PreferredBackBufferWidth = 800;
graphics.PreferredBackBufferHeight = 600;
#endif
graphics.ApplyChanges();
// PHYSICS INIT!
mWorld = new JelloPhysics.World();
// static ground object.
JelloPhysics.ClosedShape groundShape = new JelloPhysics.ClosedShape();
groundShape.begin();
groundShape.addVertex(new Vector2(-10f, -2f));
groundShape.addVertex(new Vector2(-10f, 2f));
groundShape.addVertex(new Vector2(10f, 2f));
groundShape.addVertex(new Vector2(10f, -2f));
groundShape.finish();
// make the body.
JelloPhysics.Body groundBody = new JelloPhysics.Body(mWorld, groundShape, float.PositiveInfinity, new Vector2(0f, -5f), 0f, Vector2.One, false);
// visual effect
mEffect = new BasicEffect(graphics.GraphicsDevice, null);
mEffect.VertexColorEnabled = true;
mEffect.LightingEnabled = false;
base.Initialize();
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
GamePadState newState = GamePad.GetState(PlayerIndex.One);
// Allows the game to exit
if (newState.Buttons.Back == ButtonState.Pressed)
this.Exit();
// UPDATE the physics!
for (int i = 0; i < 3; i++)
mWorld.update(1 / 120f);
// cursor movement.
cursorPos += new Vector3(newState.ThumbSticks.Left.X, newState.ThumbSticks.Left.Y, 0f) * 0.3f;
// if the user presses the A button, create a new body at the cursor position.
if ((newState.Buttons.A == ButtonState.Pressed) && (mOldPadState.Buttons.A == ButtonState.Released))
{
JelloPhysics.ClosedShape shape = new JelloPhysics.ClosedShape();
shape.begin();
shape.addVertex(new Vector2(-1.0f, 0f));
shape.addVertex(new Vector2(0f, 1.0f));
shape.addVertex(new Vector2(1.0f, 0f));
shape.addVertex(new Vector2(0f, -1.0f));
shape.finish();
FallingBody body = new FallingBody(mWorld, shape, 1f, 300f, 10f,
new Vector2(cursorPos.X, cursorPos.Y), MathHelper.ToRadians(new Random().Next(360)), Vector2.One);
body.addInternalSpring(0, 2, 400f, 12f);
body.addInternalSpring(1, 3, 400f, 12f);
}
mOldPadState = GamePad.GetState(PlayerIndex.One);
base.Update(gameTime);
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
void Update()
{
// UPDATE the physics!
for (int i = 0; i < 3; i++)
{
mWorld.update(1 / 120f);
}
// cursor movement.
cursorPos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
// if the user presses the A button, create a new body at the cursor position.
if (Input.GetKeyDown(KeyCode.A))
{
GameObject s = new GameObject();
JelloPhysics.ClosedShape shape = new JelloPhysics.ClosedShape();
shape.begin();
shape.addVertex(new Vector2(-1.0f, 0f));
shape.addVertex(new Vector2(0f, 1.0f));
shape.addVertex(new Vector2(1.0f, 0f));
shape.addVertex(new Vector2(0f, -1.0f));
shape.finish();
DraggableSpringBody body = new DraggableSpringBody();
body.Setup(mWorld, shape, 1f, 150, 5, 300, 15, new Vector2(cursorPos.x, cursorPos.y), ((float)UnityEngine.Random.Range(0, 360)), Vector2.one);
body.addInternalSpring(0, 2, 400f, 12f);
body.addInternalSpring(1, 3, 400f, 12f);
}
if (Input.GetKeyDown(KeyCode.B))
{
GameObject s = new GameObject();
JelloPhysics.ClosedShape shape = new JelloPhysics.ClosedShape();
shape.begin();
for (int i = 0; i < 360; i += 20)
{
shape.addVertex(new Vector2((float)Mathf.Cos(((float)-i) * Mathf.Deg2Rad), (float)Mathf.Sin(((float)-i) * Mathf.Deg2Rad)));
}
shape.finish();
DraggablePressureBody pb = new DraggablePressureBody();
pb.Setup(mWorld, shape, 1.0f, 40.0f, 10.0f, 1.0f, 300.0f, 20.0f, cursorPos, 0, Vector2.one);
pb.addTriangle(0, 10, 9);
pb.addTriangle(0, 9, 1);
pb.addTriangle(1, 9, 8);
pb.addTriangle(1, 8, 2);
pb.addTriangle(2, 8, 7);
pb.addTriangle(2, 7, 3);
pb.addTriangle(3, 7, 6);
pb.addTriangle(3, 6, 4);
pb.addTriangle(4, 6, 5);
pb.addTriangle(17, 10, 0);
pb.addTriangle(17, 11, 10);
pb.addTriangle(16, 11, 17);
pb.addTriangle(16, 12, 11);
pb.addTriangle(15, 12, 16);
pb.addTriangle(15, 13, 12);
pb.addTriangle(14, 12, 15);
pb.addTriangle(14, 13, 12);
pb.finalizeTriangles(Color.white);
pb.addInternalSpring(0, 2, 400f, 12f);
pb.addInternalSpring(1, 3, 400f, 12f);
}
// dragging!
if (Input.GetMouseButton(0))
{
if (dragBody != null)
{
PointMass pm = dragBody.getPointMass(dragPoint);
if (dragBody.GetType().Name == "DraggableSpringBody")
{
((DraggableSpringBody)dragBody).setDragForce(JelloPhysics.VectorTools.calculateSpringForce(pm.Position, pm.Velocity, cursorPos, Vector2.zero, 0.0f, 100.0f, 10.0f), dragPoint);
}
else if (dragBody.GetType().Name == "DraggablePressureBody")
{
((DraggablePressureBody)dragBody).setDragForce(JelloPhysics.VectorTools.calculateSpringForce(pm.Position, pm.Velocity, cursorPos, Vector2.zero, 0.0f, 100.0f, 10.0f), dragPoint);
}
}
}
else
{
dragBody = null;
dragPoint = -1;
}
if (Input.GetMouseButtonDown(0))
{
if (dragBody == null)
{
int body;
mWorld.getClosestPointMass(cursorPos, out body, out dragPoint);
dragBody = mWorld.getBody(body);
}
}
}
public void Setup(JelloPhysics.World w, JelloPhysics.ClosedShape s, float massPerPoint,
float edgeSpringK, float edgeSpringDamp, Vector2 pos, float angle, Vector2 scale)
{
base.Setup(w, s, massPerPoint, edgeSpringK, edgeSpringDamp, pos, angle, scale, false);
}
