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();
}
static public cpSpace BouncyTerrainCircles_500(cpSpace space)
{
//cpSpace space = BENCH_SPACE_NEW();
SetSubTitle("BouncyTerrainCircles 500");
space.SetIterations(10);
cpVect offset = new cpVect(-320, -240);
for (int i = 0; i < (bouncy_terrain_verts.Length - 1); i++)
{
cpVect a = bouncy_terrain_verts[i], b = bouncy_terrain_verts[i + 1];
cpShape shape = space.AddShape(new cpSegmentShape(space.GetStaticBody(), cpVect.cpvadd(a, offset), cpVect.cpvadd(b, offset), 0.0f));
shape.SetElasticity(1.0f);
}
for (int i = 0; i < 500; i++)
{
float radius = 5.0f;
float mass = radius * radius;
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForCircle(mass, 0.0f, radius, cpVect.Zero)));
body.SetPosition(cpVect.cpvadd(cpVect.cpvmult(cp.frand_unit_circle(), 130.0f), cpVect.Zero));
body.SetVelocity(cpVect.cpvmult(cp.frand_unit_circle(), 50.0f));
cpShape shape = space.AddShape(new cpCircleShape(body, radius, cpVect.Zero));
shape.SetElasticity(1.0f);
}
return(space);
}
static public cpSpace ComplexTerrainCircles_1000(cpSpace space)
{
space.SetIterations(10);
space.SetGravity(new cpVect(0, -100));
space.SetCollisionSlop(0.5f);
cpVect offset = new cpVect(-320, -240);
for (int i = 0; i < (complex_terrain_verts.Length - 1); i++)
{
cpVect a = complex_terrain_verts[i], b = complex_terrain_verts[i + 1];
space.AddShape(new cpSegmentShape(space.GetStaticBody(), cpVect.cpvadd(a, offset), cpVect.cpvadd(b, offset), 0.0f));
}
for (int i = 0; i < 1000; i++)
{
float radius = 5.0f;
float mass = radius * radius;
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForCircle(mass, 0.0f, radius, cpVect.Zero)));
body.SetPosition(cpVect.cpvadd(cpVect.cpvmult(cp.frand_unit_circle(), 180.0f), new cpVect(0.0f, 300.0f)));
cpShape shape = space.AddShape(new cpCircleShape(body, radius, cpVect.Zero));
shape.SetElasticity(0.0f); shape.SetFriction(0.0f);
}
return(space);
}
static public void add_circle(cpSpace space, int index, float radius)
{
float mass = radius * radius / 25.0f;
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForCircle(mass, 0.0f, radius, cpVect.Zero)));
// cpBody body = cpSpaceAddBody(space, cpBodyInit(&bodies[i], mass, cpMomentForCircle(mass, 0.0f, radius, cpVect.Zero)));
body.SetPosition(cpVect.cpvmult(cp.frand_unit_circle(), 180.0f));
cpShape shape = space.AddShape(new cpCircleShape(body, radius, cpVect.Zero));
// cpShape shape = cpSpaceAddShape(space, cpCircleShapeInit(&circles[i], body, radius, cpVect.Zero));
shape.SetElasticity(0.0f); shape.SetFriction(0.9f);
}
static cpSpace NoCollide(cpSpace space)
{
space.SetIterations(10);
var handler = space.AddCollisionHandler(2, 2);
//, (a, s, o) => NoCollide_begin(a, s, o), null, null, null);
handler.beginFunc = NoCollide_begin;
float radius = 4.5f;
var staticBody = space.GetStaticBody();
space.AddShape(new cpSegmentShape(staticBody, new cpVect(-330 - radius, -250 - radius), new cpVect(330 + radius, -250 - radius), 0.0f)).SetElasticity(1.0f);
space.AddShape(new cpSegmentShape(staticBody, new cpVect(330 + radius, 250 + radius), new cpVect(330 + radius, -250 - radius), 0.0f)).SetElasticity(1.0f);
space.AddShape(new cpSegmentShape(staticBody, new cpVect(330 + radius, 250 + radius), new cpVect(-330 - radius, 250 + radius), 0.0f)).SetElasticity(1.0f);
space.AddShape(new cpSegmentShape(staticBody, new cpVect(-330 - radius, -250 - radius), new cpVect(-330 - radius, 250 + radius), 0.0f)).SetElasticity(1.0f);
for (int x = -320; x <= 320; x += 20)
{
for (int y = -240; y <= 240; y += 20)
{
space.AddShape(new cpCircleShape(staticBody, radius, new cpVect(x, y)));
}
}
for (int y = 10 - 240; y <= 240; y += 40)
{
float mass = 7.0f;
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForCircle(mass, 0.0f, radius, cpVect.Zero)));
body.SetPosition(new cpVect(-320.0f, y));
body.SetVelocity(new cpVect(100.0f, 0.0f));
cpShape shape = space.AddShape(new cpCircleShape(body, radius, cpVect.Zero));
shape.SetElasticity(1.0f);
shape.SetCollisionType(2);
}
for (int x = 30 - 320; x <= 320; x += 40)
{
float mass = 7.0f;
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForCircle(mass, 0.0f, radius, cpVect.Zero)));
body.SetPosition(new cpVect(x, -240.0f));
body.SetVelocity(new cpVect(0.0f, 100.0f));
cpShape shape = space.AddShape(new cpCircleShape(body, radius, cpVect.Zero));
shape.SetElasticity(1.0f);
shape.SetCollisionType(2);
}
return(space);
}
public cpBody add_ball(cpSpace space, cpVect pos)
{
cpBody body = space.AddBody(new cpBody(1.0f, cp.MomentForCircle(1.0f, 30, 0, cpVect.Zero)));
body.SetPosition(pos);
cpShape shape = space.AddShape(new cpCircleShape(body, 30, cpVect.Zero));
shape.SetElasticity(0.0f);
shape.SetFriction(0.5f);
return(body);
}
cpBody add_box(float size, float mass)
{
float radius = cpVect.cpvlength(new cpVect(size, size));
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForBox(mass, size, size)));
body.SetPosition(new cpVect((float)CCRandom.Float_0_1() * (640 - 2 * radius) - (320 - radius), (float)CCRandom.Float_0_1() * (480 - 2 * radius) - (240 - radius)));
cpShape shape = space.AddShape(cpPolyShape.BoxShape(body, size, size, 0));
shape.SetElasticity(0);
shape.SetFriction(0.7f);
return(body);
}
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();
}
void add_box()
{
const float size = 10;
const float mass = 1;
cpVect[] verts = new cpVect[] {
new cpVect(-size, -size),
new cpVect(-size, size),
new cpVect(size, size),
new cpVect(size, -size)
};
float radius = cpVect.cpvlength(new cpVect(size, size));
cpVect pos = rand_pos(radius);
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForPoly(mass, 4, verts, cpVect.Zero, 0.0f)));
body.SetVelocityUpdateFunc(
(s, f1, f2) => planetGravityVelocityFunc(body, s, f1, f2)
);
body.SetPosition(pos);
// Set the box's velocity to put it into a circular orbit from its
// starting position.
float r = cpVect.cpvlength(pos);
float v = cp.cpfsqrt(gravityStrength / r) / r;
body.SetVelocity(cpVect.cpvmult(cpVect.cpvperp(pos), v));
// Set the box's angular velocity to match its orbital period and
// align its initial angle with its position.
body.SetAngularVelocity(v);
body.SetAngle(cp.cpfatan2(pos.y, pos.x));
cpShape shape = space.AddShape(new cpPolyShape(body, 4, verts, cpTransform.Identity, 0.0f)); //cpTransformIdentity
shape.SetElasticity(0);
shape.SetFriction(0.7f);
}
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();
}
static public cpSpace BouncyTerrainHexagons_500(cpSpace space)
{
SetSubTitle("BouncyTerrainHexagons 500");
//cpSpace space = BENCH_SPACE_NEW();
space.SetIterations(10);
cpVect offset = new cpVect(-320, -240);
for (int i = 0; i < (bouncy_terrain_verts.Length - 1); i++)
{
cpVect a = bouncy_terrain_verts[i], b = bouncy_terrain_verts[i + 1];
cpShape shape = space.AddShape(new cpSegmentShape(space.GetStaticBody(), cpVect.cpvadd(a, offset), cpVect.cpvadd(b, offset), 0.0f));
shape.SetElasticity(1.0f);
}
float radius = 5.0f;
cpVect[] hexagon = new cpVect[6];
for (int i = 0; i < 6; i++)
{
float angle = -(float)Math.PI * 2.0f * i / 6.0f;
hexagon[i] = cpVect.cpvmult(cpVect.cpv(cp.cpfcos(angle), cp.cpfsin(angle)), radius - bevel);
}
for (int i = 0; i < 500; i++)
{
float mass = radius * radius;
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForPoly(mass, 6, hexagon, cpVect.Zero, 0.0f)));
body.SetPosition(cpVect.cpvadd(cpVect.cpvmult(cp.frand_unit_circle(), 130.0f), cpVect.Zero));
body.SetVelocity(cpVect.cpvmult(cp.frand_unit_circle(), 50.0f));
cpShape shape = space.AddShape(new cpPolyShape(body, 6, hexagon, cpTransform.Identity, bevel));
shape.SetElasticity(1.0f);
}
return(space);
}
static public cpSpace ComplexTerrainHexagons_1000(cpSpace space)
{
SetSubTitle("ComplexTerrainHexagons_1000");
space.SetIterations(10);
space.SetGravity(new cpVect(0, -100));
space.SetCollisionSlop(0.5f);
cpVect offset = new cpVect(-320, -240);
for (int i = 0; i < (complex_terrain_verts.Length - 1); i++)
{
cpVect a = complex_terrain_verts[i], b = complex_terrain_verts[i + 1];
space.AddShape(new cpSegmentShape(space.GetStaticBody(), cpVect.cpvadd(a, offset), cpVect.cpvadd(b, offset), 0.0f));
}
float radius = 5.0f;
cpVect[] hexagon = new cpVect[6];
for (int i = 0; i < 6; i++)
{
float angle = -(float)Math.PI * 2.0f * i / 6.0f;
hexagon[i] = cpVect.cpvmult(cpVect.cpv(cp.cpfcos(angle), cp.cpfsin(angle)), radius - bevel);
}
for (int i = 0; i < 1000; i++)
{
float mass = radius * radius;
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForPoly(mass, 6, hexagon, cpVect.Zero, 0.0f)));
body.SetPosition(cpVect.cpvadd(cpVect.cpvmult(cp.frand_unit_circle(), 180.0f), new cpVect(0.0f, 300.0f)));
cpShape shape = space.AddShape(new cpPolyShape(body, 6, hexagon, cpTransform.Identity, bevel));
shape.SetElasticity(0.0f); shape.SetFriction(0.0f);
}
return(space);
}
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();
}