public static Node Create(Vector3 size, Vector3 pos, float angle)
{
var width = (int)size.X;
var height = (int)size.Y;
var depth = (int)size.Z;
var cmp = new MyWall ();
var spr = new Sprite (width, height);
spr.SetOffset (-width / 2, -height / 2);
spr.Color = Color.White;
var body = new RigidBody ();
body.Mass = 0;
body.Material = new PhysicsMaterial ();
body.Material.Restitution = 1;
body.Use2D = true;
body.AddShape (new BoxShape (width / 2, height / 2, depth/2));
var node = new Node ("Wall");
node.Attach (cmp);
node.Attach (spr);
node.Attach (body);
node.Translation = pos;
node.Rotate (angle, 0, 0, 1);
return node;
}
public static Node Create(Vector3 pos, float angle)
{
var cmp = new MyBox ();
var width = 64;
var height = 64;
var depth = 64;
var spr = new Sprite (width, height);
spr.AddTexture (new Texture("media/Box-64x64.png"));
spr.SetOffset (-width / 2, -height / 2);
var body = new RigidBody ();
body.AddShape( new BoxShape (width / 2, height / 2, depth / 2));
body.Material = new PhysicsMaterial ();
body.Material.Restitution = 1.0f;
//body.UseCCD = true;
var node = new Node ("Block");
node.Attach (cmp);
node.Attach (spr);
node.Attach (body);
node.Translation = pos;
node.Rotation = new Quaternion (angle, 0, 0, 1);
return node;
}
public static Node Create(string texName, Vector3 pos, float angle)
{
var cmp = new MyBall ();
var tex = new Texture (texName);
var radius = tex.Width / 2;
var spr = new Sprite (tex.Width, tex.Height);
spr.AddTexture (tex);
spr.SetOffset (-tex.Width/2, -tex.Height/2);
var body = new RigidBody ();
body.AddShape (new SphereShape (radius));
body.Mass = 1;
body.Material = new PhysicsMaterial ();
body.Material.Restitution = 1f;
body.Use2D = true;
var node = new Node ("Ball");
node.Attach (spr);
node.Attach (body);
node.Translation = pos;
node.Rotate (angle, 0, 0, 1);
return node;
}
public void Test_IsRegistered()
{
var node = new Node ();
var rb = new RigidBody ();
rb.AddShape (new SphereShape (1));
rb.Material = new PhysicsMaterial ();
node.Attach (rb);
var phys = new PhysicsSimulator ();
phys.AddRigidBody (node);
Assert.AreEqual (true, phys.IsRegistered(node));
}
public void Test_AddRigidBody()
{
var node = new Node ();
var rb = new RigidBody ();
rb.AddShape(new SphereShape (1));
rb.Material = new PhysicsMaterial ();
node.Attach (rb);
var phys = new PhysicsSimulator ();
phys.AddRigidBody (node);
Assert.AreEqual (1, phys.RigidBodyCount);
Assert.AreEqual (1, phys.RigidBodies.Count ());
}
public void Test_ApplyForce()
{
var ball1 = new Node ("Ball1");
var rb1 = new RigidBody ();
rb1.Mass = 1;
rb1.AddShape ( new SphereShape (1));
rb1.Material = new PhysicsMaterial ();
rb1.Material.Restitution = 1;
ball1.Attach (rb1);
var ball2 = new Node ("Ball2");
var rb2 = new RigidBody ();
rb2.Mass = 1;
rb2.AddShape ( new SphereShape (1));
rb2.Material = new PhysicsMaterial ();
rb2.Material.Restitution = 1;
ball2.Attach (rb2);
var wld = new World ("");
wld.AddChild (ball1);
wld.AddChild (ball2);
wld.PhysicsSimulator.SetGravity (0, 0, 0);
ball2.Translate (10, 0, 0);
// ①→②
// ①②→ (運動量保存の法則)
ball1.RigidBody.ApplyForce (1000, 0, 0);
for (var i = 0; i < 100; i++) {
wld.PhysicsUpdate (33);
Debug.WriteLine ("Ball1 = {0}, Ball2 = {1}", ball1.Position, ball2.Position);
}
Assert.AreEqual (new Vector3 (8.0333f, 0, 0), ball1.Position);
Assert.AreEqual (new Vector3 (56.6890f, 0, 0), ball2.Position);
wld.Destroy ();
}
