public void CreateRandomPolygon()
{
Vector2 mp = UserInterface.WorldMousePos;
List<Vector2> randVerts = new List<Vector2>();
int count = Utils.random.Next(7) + 3;
for (int i = 0; i < count; i++)
{
Vector2 v = new Vector2(Utils.random.Next(200) - 100, Utils.random.Next(200) - 100);
randVerts.Add(v);
}
Vector2[] vertices = randVerts.ToArray();
//Node newNode = new Node(ShapeType.ePolygon);
Node newNode = OrbIt.ui.sidebar.ActiveDefaultNode.CreateClone();
//Node.cloneNode(OrbIt.ui.sidebar.ActiveDefaultNode, newNode);
Polygon poly = new Polygon();
poly.body = newNode.body;
poly.SetCenterOfMass(vertices);
//poly.Set(vertices, vertices.Length);
newNode.body.shape = poly;
newNode.body.pos = mp;
room.spawnNode(newNode);
verts = new List<Vector2>();
}
public void CreateBox()
{
Vector2 mp = UserInterface.WorldMousePos;
//if (verts.Count < 3) return;
//Vector2[] vertices = verts.ToArray();
//Node newNode = new Node(ShapeType.ePolygon);
Node newNode = OrbIt.ui.sidebar.ActiveDefaultNode.CreateClone();
//Node.cloneNode(OrbIt.ui.sidebar.ActiveDefaultNode, newNode);
Polygon poly = new Polygon();
poly.body = newNode.body;
poly.SetBox(Utils.random.Next(100),Utils.random.Next(100));
newNode.body.shape = poly;
newNode.body.pos = mp;
room.spawnNode(newNode);
//verts = new List<Vector2>();
}
public override void OnSpawn()
{
collisionAction = (s, t) =>
{
if (t.IsPlayer)
{
if (damageMode == DamanageMode.Players || damageMode == DamanageMode.Both)
{
t.meta.CalculateDamage(s, damageMultiplier);
}
if (pushBack.enabled)
{
Vector2 f = (t.body.pos - s.body.pos);
VMath.NormalizeSafe(ref f);
f *= pushBack.value;
t.body.velocity += f;
}
if (stunSeconds.enabled)
{
if (t.movement.active)
{
t.movement.active = false;
Action<Node> ad = (n) =>
{
t.movement.active = true;
};
room.scheduler.AddAppointment(new Appointment(ad, (int)(stunSeconds.value * 1000)));
}
}
}
else
{
if (damageMode == DamanageMode.Nodes || damageMode == DamanageMode.Both)
{
t.meta.CalculateDamage(s, damageMultiplier);
}
if (pushBack.enabled)
{
Vector2 f = (t.body.pos - s.body.pos);
VMath.NormalizeSafe(ref f);
f *= pushBack.value;
t.body.velocity += f;
}
if (stunSeconds.enabled)
{
if (t.movement.active)
{
t.movement.active = false;
Action<Node> ad = (n) => t.movement.active = true;
t.scheduler.AddAppointment(new Appointment(ad, (int)(stunSeconds.value * 1000)));
}
}
}
};
Polygon poly = new Polygon();
poly.body = parent.body;
float dist = parent.body.radius * 1.3f;
Vector2[] verts = new Vector2[3];
for (int i = 0; i < 3; i++)
{
verts[i] = VMath.AngleToVector(GMath.TwoPI / 3f * i) * dist;
}
parent.body.shape = poly;
poly.Set(verts, 3);
parent.body.DrawPolygonCenter = true;
parent.body.orient = parent.body.orient; //todo:set this every init of polys
parent.body.OnCollisionEnter += collisionAction;
parent.body.ExclusionCheck += (s, t) =>
{
return Vector2.Distance(s.pos, t.pos) > dist;
};
}
public override void OnSpawn()
{
//Node.cloneNode(parent.Game1.ui.sidebar.ActiveDefaultNode, sword);
//parent.body.texture = textures.orientedcircle;
swordNode.dataStore["swordnodeparent"] = parent;
Polygon poly = new Polygon();
poly.body = swordNode.body;
poly.SetBox(swordWidth, swordLength);
swordNode.body.shape = poly;
swordNode.body.pos = parent.body.pos;
swordNode.body.DrawPolygonCenter = false;
swordNode.basicdraw.active = false;
///room.spawnNode(sword);
room.groups.items.IncludeEntity(swordNode);
swordNode.OnSpawn();
swordNode.body.AddExclusionCheck(parent.body);
swordNode.body.ExclusionCheck += delegate(Collider p, Collider o) { return !movingStick; };
swordNode.body.OnCollisionEnter += (p, o) =>
{
if (o.dataStore.ContainsKey("swordnodeparent"))
{
Node otherparent = o.dataStore["swordnodeparent"];
Vector2 f = otherparent.body.pos - parent.body.pos;
VMath.NormalizeSafe(ref f);
f *= parryKnockback;
otherparent.body.ApplyForce(f);
}
else if (o.IsPlayer)
{
o.player.node.meta.CalculateDamage(parent, damageMultiplier);
}
};
//sword.body.exclusionList.Add(parent.body);
//
//parent.body.exclusionList.Add(sword.body);
}
public override Shape Clone()
{
Polygon poly = new Polygon();
poly.u = u;
poly.RecurseCount = RecurseCount;
poly.RecurseDrawEnabled = RecurseDrawEnabled;
poly.RecurseScaleReduction = RecurseScaleReduction;
poly.LineThickness = LineThickness;
poly.FillEnabled = FillEnabled;
for (int i = 0; i < vertexCount; i++)
{
poly.vertices[i] = vertices[i];
poly.normals[i] = normals[i];
}
poly.vertexCount = vertexCount;
poly.polyReach = polyReach;
return poly;
}
public Node ConstructWallPoly(Dictionary<dynamic, dynamic> props, int hw, int hh, Vector2 pos)
{
Node n = new Node(this, props);
n.Comp<BasicDraw>().active = false;
Polygon poly = new Polygon();
poly.body = n.body;
poly.body.pos = pos;
poly.SetBox(hw, hh);
//poly.SetOrient(0f);
n.body.shape = poly;
n.body.SetStatic();
n.body.orient =(0);
//n.body.restitution = 1f;
//n.movement.pushable = false;
masterGroup.childGroups["Wall Group"].entities.Add(n);
return n;
}
public static void FindIncidentFace(ref Vector2[] v, Polygon RefPoly, Polygon IncPoly, int referenceIndex)
{
Vector2 referenceNormal = RefPoly.normals[referenceIndex];
// Calculate normal in incident's frame of reference
referenceNormal = RefPoly.u * referenceNormal; // To world space
referenceNormal = IncPoly.u.Transpose() * referenceNormal; // To incident's model space
// Find most anti-normal face on incident polygon
int incidentFace = 0;
double minDot = float.MaxValue;
for (int i = 0; i < IncPoly.vertexCount; ++i)
{
double dot = Vector2.Dot(referenceNormal, IncPoly.normals[i]);
if (dot < minDot)
{
minDot = dot;
incidentFace = i;
}
}
// Assign face vertices for incidentFace
v[0] = IncPoly.u * IncPoly.vertices[incidentFace] + IncPoly.body.pos;
incidentFace = incidentFace + 1 >= IncPoly.vertexCount ? 0 : incidentFace + 1;
v[1] = IncPoly.u * IncPoly.vertices[incidentFace] + IncPoly.body.pos;
}
public static double FindAxisLeastPenetration(ref int faceIndex, Polygon A, Polygon B)
{
double bestDistance = -float.MaxValue;
int bestIndex = 0;
for (int i = 0; i < A.vertexCount; ++i)
{
// Retrieve a face normal from A
Vector2 n = A.normals[i];
Vector2 nw = A.u * n;
// Transform face normal into B's model space
Mat22 buT = B.u.Transpose();
n = buT * nw;
// Retrieve support point from B along -n
Vector2 s = B.GetSupport(-n);
// Retrieve vertex on face from A, transform into
// B's model space
Vector2 v = A.vertices[i];
v = A.u * v + A.body.pos;
v -= B.body.pos;
v = buT * v;
// Compute penetration distance (in B's model space)
double d = Vector2.Dot(n, s - v);
// Store greatest distance
if (d > bestDistance)
{
bestDistance = d;
bestIndex = i;
}
}
faceIndex = bestIndex;
return bestDistance;
}
