void Demo6()
{
waitHandle.Reset();
Reset();
AddGravityField();
List<Body> chain = AddChain(new Vector2D(400, 50), 100, 30, 200, 10, 800);
Vector2D point = new Vector2D(300, 50);
Body Anchor = AddRectangle(60, 60, float.PositiveInfinity, new ALVector2D(0, point));
Anchor.IgnoresGravity = true;
HingeJoint joint = new HingeJoint(chain[0], Anchor, point, new Lifespan());
engine.AddJoint(joint);
Console.WriteLine(count);
waitHandle.Set();
}
void Demo8()
{
waitHandle.Reset();
Reset();
AddGravityField();
float boxlength = 50;
float spacing = 4;
float anchorLenght = 30;
float anchorGap = (boxlength / 2) + spacing + (anchorLenght / 2);
List<Body> chain = AddChain(new Vector2D(200, 500), boxlength, 20, 200, spacing, 600);
Vector2D point2 = new Vector2D(chain[chain.Count - 1].State.Position.Linear.X + anchorGap, 500);
Body end2 = AddRectangle(anchorLenght, anchorLenght, float.PositiveInfinity, new ALVector2D(0, point2));
end2.IgnoresGravity = true;
HingeJoint joint2 = new HingeJoint(chain[chain.Count - 1], end2, point2, new Lifespan());
joint2.SplitImpulse = true;
engine.AddJoint(joint2);
Vector2D point1 = new Vector2D(chain[0].State.Position.Linear.X - anchorGap, 500);
Body end1 = AddRectangle(anchorLenght, anchorLenght, float.PositiveInfinity, new ALVector2D(0, point1));
end1.IgnoresGravity = true;
HingeJoint joint1 = new HingeJoint(chain[0], end1, point1, new Lifespan());
joint1.SplitImpulse = true;
engine.AddJoint(joint1);
end2.State.Position.Linear.X -= 10;
end1.State.Position.Linear.X += 10;
end2.ApplyMatrix();
end1.ApplyMatrix();
AddTower2();
Console.WriteLine(count);
waitHandle.Set();
}
List<Body> AddChain(Vector2D position, float boxLenght, float boxWidth, float boxMass, float spacing, float length)
{
List<Body> bodies = new List<Body>();
Body last = null;
for (float x = 0; x < length; x += boxLenght + spacing, position.X += boxLenght + spacing)
{
Body current = AddRectangle(boxWidth, boxLenght, boxMass, new ALVector2D(0, position));
bodies.Add(current);
if (last != null)
{
Vector2D anchor = (current.State.Position.Linear + last.State.Position.Linear) * .5f;
HingeJoint joint = new HingeJoint(last, current, anchor, new Lifespan());
joint.SplitImpulse = true;
this.engine.AddJoint(joint);
}
last = current;
}
return bodies;
}