private void MouseLeftButtonUp()
{
if (cursorJoint == null)
{
return;
}
space.RemoveConstraint(cursorJoint);
cursorJoint.Dispose();
cursorJoint = null;
demo[currentDemo].OnMouseLeftButtonUp(chipmunkDemoMouse);
}
private void RemoveConstraint()
{
//Remove and dispose the current constraint
simulation.RemoveConstraint(currentConstraint);
currentConstraint.Dispose();
//Stop motion and reset the rigid bodies
cubeRigidBody.PhysicsWorldTransform = Matrix.Translation(new Vector3(2, 0, -9)) *
Matrix.RotationQuaternion(new Quaternion(0, 0, 0, 1));
cubeRigidBody.AngularVelocity = Vector3.Zero;
cubeRigidBody.LinearVelocity = Vector3.Zero;
sphereRigidBody.PhysicsWorldTransform = Matrix.Translation(new Vector3(-2, 0, -9)) *
Matrix.RotationQuaternion(new Quaternion(0, 0, 0, 1));
sphereRigidBody.AngularVelocity = Vector3.Zero;
sphereRigidBody.LinearVelocity = Vector3.Zero;
}
protected void SetRootLeftTopPadding(int leftPadding, int topPadding)
{
var top = GetVariableFromViewAndAttribute(rootView, LayoutAttribute.Top);
var left = GetVariableFromViewAndAttribute(rootView, LayoutAttribute.Left);
if (rootTopConstraint != null)
{
solver.removeConstraint(rootTopConstraint);
rootTopConstraint.Dispose();
}
if (rootLeftConstraint != null)
{
solver.removeConstraint(rootLeftConstraint);
rootLeftConstraint.Dispose();
}
//for the root view, left and right position are equal zero
//top == 0
rootTopConstraint = new Constraint(kiwi.kiwi.__minus__(top, new Expression(topPadding)), RelationalOperator.OP_EQ, kiwi.kiwi.required);
solver.addConstraint(rootTopConstraint);
//left == 0
rootLeftConstraint = new Constraint(kiwi.kiwi.__minus__(left, new Expression(leftPadding)), RelationalOperator.OP_EQ, kiwi.kiwi.required);
solver.addConstraint(rootLeftConstraint);
}