public override void OnEnter()
{
base.OnEnter();
space.SetIterations(30);
space.SetGravity(new cpVect(0f, -300f));
space.SetCollisionSlop(0.5f);
space.SetSleepTimeThreshold(1.0f);
cpBody body, staticBody = space.GetStaticBody();
// Create segments around the edge of the screen.
shape = space.AddShape(new cpSegmentShape(staticBody, new cpVect(-320f, -240f), new cpVect(-320f, 240f), 0.0f));
shape.SetElasticity(1.0f);
shape.SetFriction(1.0f);
shape.SetFilter(NOT_GRABBABLE_FILTER);
shape = space.AddShape(new cpSegmentShape(staticBody, new cpVect(320f, -240f), new cpVect(320f, 240f), 0.0f));
shape.SetElasticity(1f);
shape.SetFriction(1.0f);
shape.SetFilter(NOT_GRABBABLE_FILTER);
shape = space.AddShape(new cpSegmentShape(staticBody, new cpVect(-320f, -240f), new cpVect(320f, -240f), 0.0f));
shape.SetElasticity(1f);
shape.SetFriction(1.0f);
shape.SetFilter(NOT_GRABBABLE_FILTER);
//RAMP
scaleStaticBody = space.AddBody(cpBody.NewStatic());
shape = space.AddShape(new cpSegmentShape(scaleStaticBody, new cpVect(-240, -180), new cpVect(-140, -180), 4.0f));
shape.SetElasticity(1.0f);
shape.SetFriction(1.0f);
shape.SetFilter(NOT_GRABBABLE_FILTER);
if (!isTest)
{
// add some boxes to stack on the scale
for (int i = 0; i < 5; i++)
{
body = space.AddBody(new cpBody(1.0f, cp.MomentForBox(1.0f, 30.0f, 30.0f)));
body.SetPosition(new cpVect(0f, i * 32f - 220f));
shape = space.AddShape(cpPolyShape.BoxShape(body, 30.0f, 30.0f, 0.0f));
shape.SetElasticity(0.0f);
shape.SetFriction(0.8f);
}
}
//Add a ball that we'll track which objects are beneath it.
float radius = 15.0f;
ballBody = space.AddBody(new cpBody(10.0f, cp.MomentForCircle(10.0f, 0.0f, radius, cpVect.Zero)));
ballBody.SetPosition(new cpVect(120, -240 + radius + 5));
shape = space.AddShape(new cpCircleShape(ballBody, radius, cpVect.Zero));
shape.SetElasticity(0.0f);
shape.SetFriction(0.9f);
Schedule();
}
public void Add(cpShape shape)
{
if (shape == null)
{
return;
}
shape.SetFilter(new cpShapeFilter(_group, cp.ALL_CATEGORIES, cp.ALL_CATEGORIES));
_shapes.Add(shape);
Map.Add(shape, this);
}
public override void OnEnter()
{
base.OnEnter();
space.SetIterations(30);
space.SetGravity(new cpVect(0, -300));
space.SetSleepTimeThreshold(0.5f);
space.SetCollisionSlop(0.5f);
cpShape shape = space.AddShape(new cpSegmentShape(space.GetStaticBody(), new cpVect(-600, -240), new cpVect(600, -240), 0.0f));
shape.SetElasticity(1.0f);
shape.SetFriction(1.0f);
shape.SetFilter(NOT_GRABBABLE_FILTER);
// Add the dominoes.
var n = 7;
for (var i = 0; i < n; i++)
{
for (var j = 0; j < (n - i); j++)
{
var offset = new cpVect((j - (n - 1 - i) * 0.5f) * 1.5f * HEIGHT, (i + 0.5f) * (HEIGHT + 2 * WIDTH) - WIDTH - 240);
add_domino(offset, false);
add_domino(cpVect.cpvadd(offset, new cpVect(0, (HEIGHT + WIDTH) / 2)), true);
if (j == 0)
{
add_domino(cpVect.cpvadd(offset, new cpVect(0.5f * (WIDTH - HEIGHT), HEIGHT + WIDTH)), false);
}
if (j != n - i - 1)
{
add_domino(cpVect.cpvadd(offset, new cpVect(HEIGHT * 0.75f, (HEIGHT + 3 * WIDTH) / 2)), true);
}
else
{
add_domino(cpVect.cpvadd(offset, new cpVect(0.5f * (HEIGHT - WIDTH), HEIGHT + WIDTH)), false);
}
}
}
Schedule();
}
public override void OnEnter()
{
base.OnEnter();
space.SetIterations(20);
planetBody = space.AddBody(cpBody.NewKinematic());
planetBody.SetAngularVelocity(0.2f);
for (int i = 0; i < 30; i++)
{
add_box();
}
cpShape shape = space.AddShape(new cpCircleShape(planetBody, 70, cpVect.Zero));
shape.SetElasticity(1);
shape.SetFriction(1);
shape.SetFilter(NOT_GRABBABLE_FILTER);
Schedule();
}
protected override void OnAwake()
{
base.OnAwake();
Vector2 pos = this.transform.position;//static body(0,0) should add postion , Dynamic use Rigidbody position as parent
XRigidbody2D xRigidbody2D = this.GetComponent <XRigidbody2D>();
if (xRigidbody2D != null)
{
if (xRigidbody2D.mBodyType != cpBodyType.STATIC)
{
xRigidbody2D.Init();
mRigidbody2D = xRigidbody2D.Rigidbody2D;
pos = Vector2.zero;
}
else
{
mRigidbody2D = XSpaceManager.Instance.Space.GetStaticBody();
}
}
else
{
//静态的，不能移动
mRigidbody2D = XSpaceManager.Instance.Space.GetStaticBody();
}
//local
Vector2 left, bottom, right, top;
Quaternion rotation;
switch (mShapeType)
{
case ColliderType.Segment:
float angle = Vector2.Angle(this.mEnd - this.mStart, Vector2.right);
rotation = Quaternion.AngleAxis(angle + this.transform.eulerAngles.z, Vector3.forward);
left = rotation * new Vector2(this.mStart.x, this.mStart.y - this.mRadius);
bottom = rotation * new Vector2(this.mEnd.x, this.mEnd.y - this.mRadius);
right = rotation * new Vector2(this.mEnd.x, this.mEnd.y + this.mRadius);
top = rotation * new Vector2(this.mStart.x, this.mStart.y + this.mRadius);
Vector2 start = (Vector2)pos + (left + top) / 2;
Vector2 end = (Vector2)pos + (bottom + right) / 2;
mCollider2D = new cpSegmentShape(mRigidbody2D, new cpVect(start.x, start.y) * XSpaceManager.PixelsPerUnit, new cpVect(end.x, end.y) * XSpaceManager.PixelsPerUnit, mRadius * XSpaceManager.PixelsPerUnit);
break;
case ColliderType.Circle:
mCollider2D = new cpCircleShape(mRigidbody2D, mRadius * XSpaceManager.PixelsPerUnit, new cpVect(pos.x + mCenter.x, pos.y + mCenter.y) * XSpaceManager.PixelsPerUnit);
break;
case ColliderType.Box:
mCollider2D = cpPolyShape.BoxShape2(mRigidbody2D, new cpBB((pos.x + mCenter.x - mSize.x * this.transform.localScale.x / 2) * XSpaceManager.PixelsPerUnit, (pos.y + mCenter.y - mSize.y * this.transform.localScale.y / 2) * XSpaceManager.PixelsPerUnit, (pos.x + mCenter.x + mSize.x * this.transform.localScale.x / 2) * XSpaceManager.PixelsPerUnit, (pos.y + mCenter.y + mSize.y * this.transform.localScale.y / 2) * XSpaceManager.PixelsPerUnit), mRadius * XSpaceManager.PixelsPerUnit);
break;
case ColliderType.Polygon:
int count = mVects.Length;
cpVect [] vts = new cpVect [mVects.Length];
for (int i = 0; i < count; i++)
{
vts[i] = cpVect.Zero;
vts[i].x = (pos.x + mVects[i].x) * XSpaceManager.PixelsPerUnit;
vts[i].y = (pos.y + mVects[i].y) * XSpaceManager.PixelsPerUnit;
}
mCollider2D = new cpPolyShape(mRigidbody2D, mVects.Length, vts, mRadius * XSpaceManager.PixelsPerUnit);
break;
//case cpShapeType.NumShapes:
// break;
}
mCollider2D.SetSensor(mTrigger);
mCollider2D.SetElasticity(mElasticity);
mCollider2D.SetFriction(mFriction);
cpShapeFilter filter = new cpShapeFilter(mGroup, (int)mCategory, (int)mMask);
mCollider2D.SetFilter(filter);
}
public override void OnEnter()
{
base.OnEnter();
SetSubTitle("This unicycle is completely driven and balanced by a single cpSimpleMotor.\nMove the mouse to make the unicycle follow it.");
space.SetIterations(30);
space.SetGravity(new cpVect(0, -500));
{
cpShape shape = null;
cpBody staticBody = space.GetStaticBody();
shape = space.AddShape(new cpSegmentShape(staticBody, new cpVect(-3200, -240), new cpVect(3200, -240), 0.0f));
shape.SetElasticity(1.0f);
shape.SetFriction(1.0f);
shape.SetFilter(NOT_GRABBABLE_FILTER);
shape = space.AddShape(new cpSegmentShape(staticBody, new cpVect(0, -200), new cpVect(240, -240), 0.0f));
shape.SetElasticity(1.0f);
shape.SetFriction(1.0f);
shape.SetFilter(NOT_GRABBABLE_FILTER);
shape = space.AddShape(new cpSegmentShape(staticBody, new cpVect(-240, -240), new cpVect(0, -200), 0.0f));
shape.SetElasticity(1.0f);
shape.SetFriction(1.0f);
shape.SetFilter(NOT_GRABBABLE_FILTER);
}
{
float radius = 20.0f;
float mass = 1.0f;
float moment = cp.MomentForCircle(mass, 0.0f, radius, cpVect.Zero);
wheel_body = space.AddBody(new cpBody(mass, moment));
wheel_body.SetPosition(new cpVect(0.0f, -160.0f + radius));
cpShape shape = space.AddShape(new cpCircleShape(wheel_body, radius, cpVect.Zero));
shape.SetFriction(0.7f);
shape.SetFilter(new cpShapeFilter(1, cp.ALL_CATEGORIES, cp.ALL_CATEGORIES));
}
{
float cog_offset = 30.0f;
cpBB bb1 = new cpBB(-5.0f, 0.0f - cog_offset, 5.0f, cog_offset * 1.2f - cog_offset);
cpBB bb2 = new cpBB(-25.0f, bb1.t, 25.0f, bb1.t + 10.0f);
float mass = 3.0f;
float moment = cp.MomentForBox2(mass, bb1) + cp.MomentForBox2(mass, bb2);
balance_body = space.AddBody(new cpBody(mass, moment));
balance_body.SetPosition(new cpVect(0.0f, wheel_body.GetPosition().y + cog_offset));
cpShape shape = null;
shape = space.AddShape(cpPolyShape.BoxShape2(balance_body, bb1, 0.0f));
shape.SetFriction(1.0f);
shape.SetFilter(new cpShapeFilter(1, cp.ALL_CATEGORIES, cp.ALL_CATEGORIES));
shape = space.AddShape(cpPolyShape.BoxShape2(balance_body, bb2, 0.0f));
shape.SetFriction(1.0f);
shape.SetFilter(new cpShapeFilter(1, cp.ALL_CATEGORIES, cp.ALL_CATEGORIES));
}
cpVect anchorA = balance_body.WorldToLocal(wheel_body.GetPosition());
cpVect groove_a = cpVect.cpvadd(anchorA, new cpVect(0.0f, 30.0f));
cpVect groove_b = cpVect.cpvadd(anchorA, new cpVect(0.0f, -10.0f));
space.AddConstraint(new cpGrooveJoint(balance_body, wheel_body, groove_a, groove_b, cpVect.Zero));
space.AddConstraint(new cpDampedSpring(balance_body, wheel_body, anchorA, cpVect.Zero, 0.0f, 6.0e2f, 30.0f));
motor = space.AddConstraint(new cpSimpleMotor(wheel_body, balance_body, 0.0f));
motor.SetPreSolveFunc((s) => motor_preSolve(motor, s));
{
float width = 100.0f;
float height = 20.0f;
float mass = 3.0f;
cpBody boxBody = space.AddBody(new cpBody(mass, cp.MomentForBox(mass, width, height)));
boxBody.SetPosition(new cpVect(200, -100));
cpShape shape = space.AddShape(cpPolyShape.BoxShape(boxBody, width, height, 0.0f));
shape.SetFriction(0.7f);
}
Schedule();
}