ContactConstraint class
class ContactConstraint { List<ContactConstraintPoint> points; final Vector2 localNormal; final Vector2 localPoint; final Vector2 normal; final Matrix2 normalMass; //TODO(gregbglw): What does K mean? Find out and change the name. final Matrix2 K; Body bodyA; Body bodyB; int type; double radius; double friction; double restitution; int pointCount; Manifold manifold; ContactConstraint() : points = new List<ContactConstraintPoint>.generate( Settings.MAX_MANIFOLD_POINTS, (i) => new ContactConstraintPoint()), pointCount = 0, manifold = null, localNormal = new Vector2.zero(), localPoint = new Vector2.zero(), normal = new Vector2.zero(), normalMass = new Matrix2.zero(), K = new Matrix2.zero(); void setFrom(ContactConstraint cp) { pointCount = cp.pointCount; localNormal.setFrom(cp.localNormal); localPoint.setFrom(cp.localPoint); normal.setFrom(cp.normal); normalMass.setFrom(cp.normalMass); K.setFrom(cp.K); bodyA = cp.bodyA; bodyB = cp.bodyB; type = cp.type; radius = cp.radius; friction = cp.friction; restitution = cp.restitution; manifold = cp.manifold; for(int i=0; i<cp.pointCount; i++) { points[i].setFrom(cp.points[i]); } } String toString() { String result = 'localNormal: "$localNormal", localPoint: "$localPoint" ' 'normal: "$normal", radius: "$radius" friction: "$friction" ' 'restitution: "$restitution", pointCount: "$pointCount"'; return result; } }
Constructors
new ContactConstraint() #
ContactConstraint() : points = new List<ContactConstraintPoint>.generate( Settings.MAX_MANIFOLD_POINTS, (i) => new ContactConstraintPoint()), pointCount = 0, manifold = null, localNormal = new Vector2.zero(), localPoint = new Vector2.zero(), normal = new Vector2.zero(), normalMass = new Matrix2.zero(), K = new Matrix2.zero();
Properties
List<ContactConstraintPoint> points #
List<ContactConstraintPoint> points
Methods
void setFrom(ContactConstraint cp) #
void setFrom(ContactConstraint cp) { pointCount = cp.pointCount; localNormal.setFrom(cp.localNormal); localPoint.setFrom(cp.localPoint); normal.setFrom(cp.normal); normalMass.setFrom(cp.normalMass); K.setFrom(cp.K); bodyA = cp.bodyA; bodyB = cp.bodyB; type = cp.type; radius = cp.radius; friction = cp.friction; restitution = cp.restitution; manifold = cp.manifold; for(int i=0; i<cp.pointCount; i++) { points[i].setFrom(cp.points[i]); } }
String toString() #
Returns a string representation of this object.
docs inherited from Object
String toString() { String result = 'localNormal: "$localNormal", localPoint: "$localPoint" ' 'normal: "$normal", radius: "$radius" friction: "$friction" ' 'restitution: "$restitution", pointCount: "$pointCount"'; return result; }