static void Main(string[] args)
{
// Static Body
Vec2 gravity = new Vec2(0, -10);
bool doSleep = true;
World world = new World(gravity);
world.SleepingAllowed = doSleep;
BodyDef groundBodyDef = new BodyDef();
groundBodyDef.Position.Set(0, -10);
Body groundBody = world.CreateBody(groundBodyDef);
PolygonShape groundBox = new PolygonShape();
groundBox.SetAsBox(50, 10);
groundBody.CreateFixture(groundBox, 0);
// Dynamic Body
BodyDef bodyDef = new BodyDef();
bodyDef.Type = BodyType.Dynamic;
bodyDef.Position.Set(0, 4);
Body body = world.CreateBody(bodyDef);
PolygonShape dynamicBox = new PolygonShape();
dynamicBox.SetAsBox(1, 1);
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.Shape = dynamicBox;
fixtureDef.Density = 1;
fixtureDef.Friction = 0.3f;
body.CreateFixture(fixtureDef);
// Setup world
float timeStep = 1.0f / 60.0f;
int velocityIterations = 6;
int positionIterations = 2;
// Run loop
for (int i = 0; i < 60; ++i)
{
world.Step(timeStep, velocityIterations, positionIterations);
Vec2 position = body.Position;
float angle = body.Angle;
Console.WriteLine("{0:0.00} {1:0.00} {2:0.00}", position.X, position.Y, angle);
}
}
private void InitializeWorld()
{
// Static Body
Vec2 gravity = new Vec2(0, -10);
bool doSleep = true;
world = new World(gravity);
world.SleepingAllowed = doSleep;
BodyDef groundBodyDef = new BodyDef();
groundBodyDef.Position.Set(0, -10);
Body groundBody = world.CreateBody(groundBodyDef);
PolygonShape groundBox = new PolygonShape();
groundBox.SetAsBox(50, 10);
groundBody.CreateFixture(groundBox, 0);
{
// Dynamic Body
BodyDef bodyDef = new BodyDef();
bodyDef.Type = BodyType.Dynamic;
bodyDef.Position.Set(5, 4);
bodyDef.Angle = (float)(2 * Math.PI / 3);
Body body = world.CreateBody(bodyDef);
PolygonShape dynamicBox = new PolygonShape();
dynamicBox.SetAsBox(1, 1);
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.Shape = dynamicBox;
fixtureDef.Density = 1;
fixtureDef.Friction = 0.3f;
body.CreateFixture(fixtureDef);
Bodies.Add(new BodyAdapter(body));
}
{
// Dynamic Body
BodyDef bodyDef = new BodyDef();
bodyDef.Type = BodyType.Dynamic;
bodyDef.Position.Set(5, 10);
bodyDef.Angle = (float)(Math.PI / 3);
Body body = world.CreateBody(bodyDef);
PolygonShape dynamicBox = new PolygonShape();
dynamicBox.SetAsBox(1, 1);
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.Shape = dynamicBox;
fixtureDef.Density = 1;
fixtureDef.Friction = 0.3f;
body.CreateFixture(fixtureDef);
Bodies.Add(new BodyAdapter(body));
}
{
// Dynamic Body
BodyDef bodyDef = new BodyDef();
bodyDef.Type = BodyType.Dynamic;
bodyDef.Position.Set(4.5f, 7);
bodyDef.AngularVelocity = (float)(2 * Math.PI);
Body body = world.CreateBody(bodyDef);
PolygonShape dynamicBox = new PolygonShape();
dynamicBox.SetAsBox(1, 1);
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.Shape = dynamicBox;
fixtureDef.Density = 1;
fixtureDef.Friction = 0.3f;
body.CreateFixture(fixtureDef);
Bodies.Add(new BodyAdapter(body));
}
}