public static World CreateWorld(float worldSideLength = 2000, float metersPerBody = 50, BodyStructureType bodyType = BodyStructureType.TwelveFixtureStructure)
{
var world = new World();
// enable multithreading
world.ContactManager.VelocityConstraintsMultithreadThreshold = 256;
world.ContactManager.PositionConstraintsMultithreadThreshold = 256;
world.ContactManager.CollideMultithreadThreshold = 256;
// no grav
world.Gravity = Vector2.Zero;
WorldPerformanceTestSetup.CreateBounds(world, worldSideLength);
WorldPerformanceTestSetup.CreateBodies(world, worldSideLength, metersPerBody, bodyType);
world.HibernationEnabled = true;
return(world);
}
private static void CreateBodies(World world, float worldSideLength, float metersPerBody, BodyStructureType bodyType)
{
// load the game world
var tempWorld = new World();
RubeLoader.Load("data/testbodies.json", tempWorld);
// settings
const float MAX_LINEAR_VELOCITY = 20.0f;
const float MAX_ANGULAR_VELOCITY = 1.5F;
// add the specific body
//const int COMPLEX_BODY_INDEX = 2;
//const int C_BODY_INDEX = 1;
//const int BOX_BODY_INDEX = 0;
var worldRadius = worldSideLength / 2f;
var selectedBodyIndex = (int)bodyType; //BOX_BODY_INDEX;
for (var x = metersPerBody; x <= worldSideLength - metersPerBody; x += metersPerBody)
{
for (var y = metersPerBody; y <= worldSideLength - metersPerBody; y += metersPerBody)
{
var bodyDef = tempWorld.BodyList[selectedBodyIndex];
var body = bodyDef.DeepClone(world);
body.Position = new Vector2(x - worldRadius, y - worldRadius);
body.LinearVelocity = RandomGenerator.Vector2(MAX_LINEAR_VELOCITY);
body.AngularVelocity = RandomGenerator.Float(-MAX_ANGULAR_VELOCITY, MAX_ANGULAR_VELOCITY);
}
}
}
public override void Keyboard(KeyboardManager keyboardManager)
{
base.Keyboard(keyboardManager);
var cMgr = World.ContactManager;
if (keyboardManager.IsNewKeyPress(Keys.D1))
{
cMgr.VelocityConstraintsMultithreadThreshold = 0;
}
if (keyboardManager.IsNewKeyPress(Keys.D2))
{
cMgr.VelocityConstraintsMultithreadThreshold = 256;
}
if (keyboardManager.IsNewKeyPress(Keys.D3))
{
cMgr.VelocityConstraintsMultithreadThreshold = int.MaxValue;
}
if (keyboardManager.IsNewKeyPress(Keys.D4))
{
cMgr.PositionConstraintsMultithreadThreshold = 0;
}
if (keyboardManager.IsNewKeyPress(Keys.D5))
{
cMgr.PositionConstraintsMultithreadThreshold = 256;
}
if (keyboardManager.IsNewKeyPress(Keys.D6))
{
cMgr.PositionConstraintsMultithreadThreshold = int.MaxValue;
}
if (keyboardManager.IsNewKeyPress(Keys.D7))
{
cMgr.CollideMultithreadThreshold = 0;
}
if (keyboardManager.IsNewKeyPress(Keys.D8))
{
cMgr.CollideMultithreadThreshold = 256;
}
if (keyboardManager.IsNewKeyPress(Keys.D9))
{
cMgr.CollideMultithreadThreshold = int.MaxValue;
}
if (keyboardManager.IsNewKeyPress(Keys.Space))
{
if (cMgr.VelocityConstraintsMultithreadThreshold == int.MaxValue)
{
cMgr.VelocityConstraintsMultithreadThreshold = 0;
}
else
{
cMgr.VelocityConstraintsMultithreadThreshold = int.MaxValue;
}
cMgr.PositionConstraintsMultithreadThreshold = cMgr.VelocityConstraintsMultithreadThreshold;
cMgr.CollideMultithreadThreshold = cMgr.VelocityConstraintsMultithreadThreshold;
}
// World side size.
foreach (var key in this.WorldSideSizeOptions.Keys)
{
if (keyboardManager.IsNewKeyPress(key))
{
var pressedSize = this.WorldSideSizeOptions[key];
if (pressedSize != this.WorldSideSize)
{
this.WorldSideSize = pressedSize;
this.Initialize();
}
break;
}
}
// Meters per body.
foreach (var key in this.MetersPerBodyOptions.Keys)
{
if (keyboardManager.IsNewKeyPress(key))
{
var newMetersPerBody = this.MetersPerBodyOptions[key];
if (newMetersPerBody != this.MetersPerBody)
{
this.MetersPerBody = newMetersPerBody;
this.Initialize();
}
break;
}
}
// Body structure type.
foreach (var key in this.BodyStructureTypeOptions.Keys)
{
if (keyboardManager.IsNewKeyPress(key))
{
var newBodyStructureType = this.BodyStructureTypeOptions[key];
if (newBodyStructureType != this.BodyStructureType)
{
this.BodyStructureType = newBodyStructureType;
this.Initialize();
}
break;
}
}
if (keyboardManager.IsNewKeyPress(Keys.LeftAlt))
{
this.EnableCoordinateRendering = !this.EnableCoordinateRendering;
}
if (keyboardManager.IsNewKeyPress(Keys.RightControl))
{
this.DebugView.ToggleFlag(DebugViewFlags.HibernatedBodyAABBs);
}
if (keyboardManager.IsNewKeyPress(Keys.LeftControl))
{
this.DebugView.Enabled = !this.DebugView.Enabled;
}
if (keyboardManager.IsNewKeyPress(Keys.OemTilde))
{
this.IsControlPanelRenderEnabled = !this.IsControlPanelRenderEnabled;
}
}
