public CCDTest()
{
#if true
{
//TODO: only one shape is created here instead of two. That is because
//they are reference types and when shape is changed, it changes the original instead of a new copy.
PolygonShape shape = new PolygonShape();
shape.SetAsBox(10.0f, 0.2f);
FixtureDef fd = new FixtureDef();
fd.Shape = shape;
fd.Density = 0.0f;
BodyDef bd = new BodyDef();
bd.Position.Set(0.0f, -0.2f);
Body body = _world.CreateBody(bd);
body.CreateFixture(fd);
shape.SetAsBox(0.2f, 1.0f, new Vec2(0.5f, 1.2f), 0.0f);
body.CreateFixture(fd);
}
{
PolygonShape shape = new PolygonShape();
shape.SetAsBox(2.0f, 0.1f);
FixtureDef fd = new FixtureDef();
fd.Shape = shape;
fd.Density = 1.0f;
fd.Restitution = 0.0f;
_angularVelocity = Math.Random(-50.0f, 50.0f);
_angularVelocity = -30.669577f;
BodyDef bd = new BodyDef();
bd.Position.Set(0.0f, 20.0f);
Body body = _world.CreateBody(bd);
body.CreateFixture(fd);
body.SetLinearVelocity(new Vec2(0.0f, -100.0f));
body.SetAngularVelocity(_angularVelocity);
}
#elif false
{
FixtureDef fd;
fd.SetAsBox(10.0f, 0.1f);
fd.density = 0.0f;
BodyDef bd;
bd.type = BodyDef::e_static;
bd.position.Set(0.0f, -0.2f);
Body* ground = m_world.CreateBody(&bd);
ground.CreateFixture(&fd);
}
{
FixtureDef fd;
fd.SetAsBox(2.0f, 0.1f);
fd.density = 1.0f;
fd.restitution = 0.0f;
BodyDef bd1;
bd1.type = BodyDef::e_dynamic;
bd1.isBullet = true;
bd1.allowSleep = false;
bd1.position.Set(0.0f, 20.0f);
Body* b1 = m_world.Create(&bd1);
b1.CreateFixture(&fd);
b1.SetMassFromShapes();
b1.SetLinearVelocity(Vec2(0.0f, -100.0f));
fd.SetAsBox(1.0f, 0.1f);
BodyDef bd2;
bd2.type = BodyDef::e_dynamic;
bd2.isBullet = true;
bd2.allowSleep = false;
bd2.position.Set(0.0f, 20.2f);
Body* = m_world.Create(&bd2);
.CreateFixture(&fd);
.SetMassFromShapes();
.SetLinearVelocity(Vec2(0.0f, -100.0f));
fd.SetAsBox(0.25f, 0.25f);
fd.density = 10.0f;
BodyDef bd3;
bd3.type = BodyDef::e_dynamic;
bd3.isBullet = true;
bd3.allowSleep = false;
bd3.position.Set(0.0f, 100.0f);
Body* b3 = m_world.Create(&bd3);
b3.CreateFixture(&fd);
b3.SetMassFromShapes();
b3.SetLinearVelocity(Vec2(0.0f, -150.0f));
}
#else
const float32 k_restitution = 1.4f;
{
BodyDef bd;
bd.position.Set(0.0f, 20.0f);
Body* body = m_world.CreateBody(&bd);
FixtureDef fd;
fd.density = 0.0f;
fd.restitution = k_restitution;
fd.SetAsBox(0.1f, 10.0f, Vec2(-10.0f, 0.0f), 0.0f);
body.CreateFixture(&fd);
fd.SetAsBox(0.1f, 10.0f, Vec2(10.0f, 0.0f), 0.0f);
body.CreateFixture(&fd);
fd.SetAsBox(0.1f, 10.0f, Vec2(0.0f, -10.0f), 0.5f * _pi);
body.CreateFixture(&fd);
fd.SetAsBox(0.1f, 10.0f, Vec2(0.0f, 10.0f), -0.5f * _pi);
body.CreateFixture(&fd);
}
#if false
{
FixtureDef sd_bottom;
sd_bottom.SetAsBox(1.0f, 0.1f, Vec2(0.0f, -1.0f), 0.0f);
sd_bottom.density = 4.0f;
FixtureDef sd_top;
sd_top.SetAsBox(1.0f, 0.1f, Vec2(0.0f, 1.0f), 0.0f);
sd_top.density = 4.0f;
FixtureDef sd_left;
sd_left.SetAsBox(0.1f, 1.0f, Vec2(-1.0f, 0.0f), 0.0f);
sd_left.density = 4.0f;
FixtureDef sd_right;
sd_right.SetAsBox(0.1f, 1.0f, Vec2(1.0f, 0.0f), 0.0f);
sd_right.density = 4.0f;
BodyDef bd;
bd.type = BodyDef::e_dynamicBody;
bd.position.Set(0.0f, 15.0f);
Body* body = m_world.CreateBody(&bd);
body.CreateFixture(&sd_bottom);
body.CreateFixture(&sd_top);
body.CreateFixture(&sd_left);
body.CreateFixture(&sd_right);
body.SetMassFromShapes();
}
#elif false
{
FixtureDef sd_bottom;
sd_bottom.SetAsBox( 1.5f, 0.15f );
sd_bottom.density = 4.0f;
FixtureDef sd_left;
sd_left.SetAsBox(0.15f, 2.7f, Vec2(-1.45f, 2.35f), 0.2f);
sd_left.density = 4.0f;
FixtureDef sd_right;
sd_right.SetAsBox(0.15f, 2.7f, Vec2(1.45f, 2.35f), -0.2f);
sd_right.density = 4.0f;
BodyDef bd;
bd.position.Set( 0.0f, 15.0f );
Body* body = m_world.CreateBody(&bd);
body.CreateFixture(&sd_bottom);
body.CreateFixture(&sd_left);
body.CreateFixture(&sd_right);
body.SetMassFromShapes();
}
#else
{
BodyDef bd;
bd.position.Set(-5.0f, 20.0f);
bd.isBullet = true;
Body* body = m_world.CreateBody(&bd);
body.SetAngularVelocity(RandomFloat(-50.0f, 50.0f));
FixtureDef fd;
fd.SetAsBox(0.1f, 4.0f);
fd.density = 1.0f;
fd.restitution = 0.0f;
body.CreateFixture(&fd);
body.SetMassFromShapes();
}
#endif
for (int32 i = 0; i < 0; ++i)
{
BodyDef bd;
bd.position.Set(0.0f, 15.0f + i);
bd.isBullet = true;
Body* body = m_world.CreateBody(&bd);
body.SetAngularVelocity(RandomFloat(-50.0f, 50.0f));
FixtureDef fd;
fd.radius = 0.25f;
fd.density = 1.0f;
fd.restitution = 0.0f;
body.CreateFixture(&fd);
body.SetMassFromShapes();
}
#endif
}
