private gxtGeom CreatePlatformGeom(gxtPolygon polygon, Vector2 position)
{
gxtGeom platGeom = new gxtGeom(polygon, true);
gxtRigidBody platBody = new gxtRigidBody();
platBody.MotionType = gxtRigidyBodyMotion.FIXED;
platBody.CanSleep = false;
platBody.Awake = true;
platGeom.RigidBody = platBody;
gxtPhysicsMaterial mat = new gxtPhysicsMaterial(0.6f, 0.3f);
platGeom.CollisionGroups = world.PhysicsWorld.GetCollisionGroup("traversable_world_geometry");
platGeom.CollidesWithGroups = world.PhysicsWorld.GetCollisionGroup("player");
platGeom.Material = mat;
platGeom.SetPosition(new Vector2(0.0f, 8.5f));
world.AddGeom(platGeom);
return platGeom;
}
public static float GetCombinedRestitution(gxtPhysicsMaterial mat0, gxtPhysicsMaterial mat1)
{
return gxtMath.Sqrt(mat0.restitution * mat1.restitution);
}
private void InitGeoms()
{
gxtPhysicsMaterial material = new gxtPhysicsMaterial(0.7f, 0.2f);
gxtPhysicsMaterial fMaterial = new gxtPhysicsMaterial(0.3f, 0.01f);
gxtPhysicsMaterial cMaterial = new gxtPhysicsMaterial(0.01f, 0.5f);
gxtPhysicsMaterial dMaterial = new gxtPhysicsMaterial(0.25f, 0.55f);
geomA = new gxtGeom();
geomA.CollisionEnabled = true;
geomA.CollidesWithGroups = gxtCollisionGroup.ALL;
geomA.CollisionGroups = gxtCollisionGroup.ALL;
geomA.CollisionResponseEnabled = true;
geomA.RigidBody = null;
geomA.Tag = null;
//gxtPolygon worldPolyA = gxtGeometry.CreateRectanglePolygon(5.5f, 4.15f);
//gxtPolygon worldPolyA = gxtGeometry.CreateRectanglePolygon(5.35f, 3.0f);
gxtPolygon worldPolyA = gxtGeometry.CreateCirclePolygon(2.65f, 5);
geomA.Polygon = worldPolyA;
geomA.SetPosition(new Vector2(0, 0));
//geomA.OnCollision += OnCollision;
geomA.OnSeperation += OnSeperation;
geomA.Material = material;
world.PhysicsWorld.Gravity = new Vector2(0.0f, 9.8f);
// A and B will be attached to the came rigid body
geomB = new gxtGeom();
geomB.CollisionEnabled = true;
geomB.CollidesWithGroups = gxtCollisionGroup.ALL;
geomB.CollisionGroups = gxtCollisionGroup.ALL;
geomB.CollisionResponseEnabled = true;
geomB.RigidBody = null;
geomB.Tag = null;
//gxtPolygon worldPolyB = gxtGeometry.CreateRectanglePolygon(2.35f, 3.3f);
gxtPolygon worldPolyB = gxtGeometry.CreateRectanglePolygon(2.35f, 5);
geomB.SetupFromLocalPolygon(worldPolyB, new Vector2(0.0f, -4.0f), 0.0f);
geomB.SetPosition(new Vector2(0, 0));
geomB.Material = material;
geomC = new gxtGeom();
geomC.CollisionEnabled = true;
geomC.CollidesWithGroups = gxtCollisionGroup.ALL;
geomC.CollisionGroups = gxtCollisionGroup.ALL;
geomC.CollisionResponseEnabled = true;
geomC.RigidBody = null;
geomC.OnCollision += OnOneWayPlatformCollision;
geomC.Tag = null;
gxtPolygon worldPolyC = gxtGeometry.CreateRectanglePolygon(7.5f, 1.35f);
geomC.Polygon = worldPolyC;
geomC.SetPosition(new Vector2(4.5f, 5.25f));
geomC.Material = cMaterial;
geomD = new gxtGeom();
geomD.CollisionEnabled = true;
geomD.CollidesWithGroups = gxtCollisionGroup.ALL;
geomD.CollisionGroups = gxtCollisionGroup.ALL;
geomD.CollisionResponseEnabled = true;
geomD.RigidBody = null;
geomD.Tag = null;
gxtPolygon worldPolyD = gxtGeometry.CreateRectanglePolygon(3.0f, 3.0f);
geomD.Polygon = worldPolyD;
geomD.Material = dMaterial;
//geomD.SetPosition(new Vector2(400, 0));
/*
geomE = new gxtGeom();
geomE.CollisionEnabled = true;
geomE.CollidesWithGroups = gxtCollisionGroup.ALL;
geomE.CollisionGroups = gxtCollisionGroup.ALL;
geomE.CollisionResponseEnabled = true;
geomE.RigidBody = null;
geomE.Tag = null;
gxtPolygon worldPolyE;
Vector2[] tri = new Vector2[3];
tri[0] = new Vector2(-400, -300);
tri[1] = new Vector2(400, -75);
tri[2] = new Vector2(400, -300);
worldPolyE = new gxtPolygon(tri);
geomE.Polygon = worldPolyE;
geomE.SetPosition(new Vector2(0, 0));
*/
geomF = new gxtGeom();
geomF.CollisionEnabled = true;
geomF.CollidesWithGroups = gxtCollisionGroup.ALL;
geomF.CollisionGroups = gxtCollisionGroup.ALL;
geomF.CollisionResponseEnabled = true;
geomF.RigidBody = null;
geomF.Tag = null;
//geomF.Polygon = gxtGeometry.CreateCirclePolygon(2.0f, 12);
geomF.Polygon = gxtGeometry.CreateRectanglePolygon(3.0f, 4.5f);
//geomF.Polygon = gxtGeometry.CreateRectanglePolygon(4.35f, 4);
geomF.SetPosition(new Vector2(-5.5f, -3.15f));
geomF.OnCollision += OnCollision;
geomF.Material = fMaterial;
floorG = new gxtGeom();
floorG.CollisionEnabled = true;
floorG.CollidesWithGroups = gxtCollisionGroup.ALL;
floorG.CollisionGroups = gxtCollisionGroup.ALL;
floorG.CollisionResponseEnabled = true;
floorG.RigidBody = null;
floorG.Tag = null;
floorG.Polygon = gxtGeometry.CreateRectanglePolygon(30, 2.5f);
floorG.SetPosition(new Vector2(0.0f, 10.25f));
floorG.Material = material;
world.AddGeom(geomA);
world.AddGeom(floorG);
//world.AddGeom(geomB);
world.AddGeom(geomC);
world.AddGeom(geomD);
/*
world.AddGeom(geomE);
*/
world.AddGeom(geomF);
}
public static float GetCombinedFriction(gxtPhysicsMaterial mat0, gxtPhysicsMaterial mat1)
{
return gxtMath.Sqrt(mat0.friction * mat1.friction);
}