internal WeldJoint(WeldJointDef def)
: base(def)
{
_localAnchorA = def.localAnchorA;
_localAnchorB = def.localAnchorB;
_referenceAngle = def.referenceAngle;
}
internal WeldJoint(WeldJointDef def) : base(def)
{
m_localAnchorA = def.localAnchorA;
m_localAnchorB = def.localAnchorB;
m_referenceAngle = def.referenceAngle;
m_frequencyHz = def.frequencyHz;
m_dampingRatio = def.dampingRatio;
m_impulse.SetZero();
}
internal WeldJoint(WeldJointDef def): base(def)
{
m_localAnchorA = def.localAnchorA;
m_localAnchorB = def.localAnchorB;
m_referenceAngle = def.referenceAngle;
m_frequencyHz = def.frequencyHz;
m_dampingRatio = def.dampingRatio;
m_impulse.SetZero();
}
Cantilever()
{
Body ground = null;
{
BodyDef bd = new BodyDef();
ground = m_world.CreateBody(bd);
EdgeShape shape = new EdgeShape();
shape.Set(new Vec2(-40.0f, 0.0f), new Vec2(40.0f, 0.0f));
shape.Density = 0;
ground.CreateFixture(shape);
}
{
PolygonShape shape = new PolygonShape();
shape.SetAsBox(0.5f, 0.125f);
FixtureDef fd = new FixtureDef();
fd.shape = shape;
fd.Density = 20.0f;
WeldJointDef jd = new WeldJointDef();
Body prevBody = ground;
for (int i = 0; i < e_count; ++i)
{
BodyDef bd = new BodyDef();
bd.type = BodyType._dynamicBody;
bd.Position.Set(-14.5f + 1.0f * i, 5.0f);
Body body = m_world.CreateBody(bd);
body.CreateFixture(fd);
Vec2 anchor = new Vec2(-15.0f + 1.0f * i, 5.0f);
jd.Initialize(prevBody, body, anchor);
m_world.CreateJoint(jd);
prevBody = body;
}
}
{
PolygonShape shape = new PolygonShape();
shape.SetAsBox(1.0f, 0.125f);
FixtureDef fd = new FixtureDef();
fd.shape = shape;
fd.Density = 20.0f;
WeldJointDef jd = new WeldJointDef();
jd.frequencyHz = 5.0f;
jd.dampingRatio = 0.7f;
Body prevBody = ground;
for (int i = 0; i < 3; ++i)
{
BodyDef bd = new BodyDef();
bd.type = BodyType._dynamicBody;
bd.Position.Set(-14.0f + 2.0f * i, 15.0f);
Body body = m_world.CreateBody(bd);
body.CreateFixture(fd);
Vec2 anchor = new Vec2(-15.0f + 2.0f * i, 15.0f);
jd.Initialize(prevBody, body, anchor);
m_world.CreateJoint(jd);
prevBody = body;
}
}
{
PolygonShape shape = new PolygonShape();
shape.SetAsBox(0.5f, 0.125f);
FixtureDef fd = new FixtureDef();
fd.shape = shape;
fd.Density = 20.0f;
WeldJointDef jd = new WeldJointDef();
Body prevBody = ground;
for (int i = 0; i < e_count; ++i)
{
BodyDef bd = new BodyDef();
bd.type = BodyType._dynamicBody;
bd.Position.Set(-4.5f + 1.0f * i, 5.0f);
Body body = m_world.CreateBody(bd);
body.CreateFixture(fd);
if (i > 0)
{
Vec2 anchor = new Vec2(-5.0f + 1.0f * i, 5.0f);
jd.Initialize(prevBody, body, anchor);
m_world.CreateJoint(jd);
}
prevBody = body;
}
}
{
PolygonShape shape = new PolygonShape();
shape.SetAsBox(0.5f, 0.125f);
FixtureDef fd = new FixtureDef();
fd.shape = shape;
fd.Density = 20.0f;
WeldJointDef jd = new WeldJointDef();
jd.frequencyHz = 8.0f;
jd.dampingRatio = 0.7f;
Body prevBody = ground;
for (int i = 0; i < e_count; ++i)
{
BodyDef bd = new BodyDef();
bd.type = BodyType._dynamicBody;
bd.Position.Set(5.5f + 1.0f * i, 10.0f);
Body body = m_world.CreateBody(bd);
body.CreateFixture(fd);
if (i > 0)
{
Vec2 anchor = new Vec2(5.0f + 1.0f * i, 10.0f);
jd.Initialize(prevBody, body, anchor);
m_world.CreateJoint(jd);
}
prevBody = body;
}
}
for (int i = 0; i < 2; ++i)
{
Vec2[] vertices = new Vec2[3];
vertices[0].Set(-0.5f, 0.0f);
vertices[1].Set(0.5f, 0.0f);
vertices[2].Set(0.0f, 1.5f);
PolygonShape shape = new PolygonShape();
shape.Set(vertices, 3);
FixtureDef fd = new FixtureDef();
fd.shape = shape;
fd.Density = 1.0f;
BodyDef bd = new BodyDef();
bd.type = BodyType._dynamicBody;
bd.Position.Set(-8.0f + 8.0f * i, 12.0f);
Body body = m_world.CreateBody(bd);
body.CreateFixture(fd);
}
for (int i = 0; i < 2; ++i)
{
CircleShape shape = new CircleShape();
shape.m_radius = 0.5f;
FixtureDef fd = new FixtureDef();
fd.shape = shape;
fd.Density = 1.0f;
BodyDef bd = new BodyDef();
bd.type = BodyType._dynamicBody;
bd.Position.Set(-6.0f + 6.0f * i, 10.0f);
Body body = m_world.CreateBody(bd);
body.CreateFixture(fd);
}
}
