/// <summary>
/// Constructs a new demo.
/// </summary>
/// <param name="game">Game owning this demo.</param>
public GeneralConvexPairStressDemo(DemosGame game)
: base(game)
{
Space.Remove(vehicle.Vehicle);
//Enable simplex caching.
ConfigurationHelper.ApplySuperSpeedySettings(Space);
for (int i = 0; i < 2000; i++)
{
EntityShape shape;
switch (i % 3)
{
case 0:
shape = new CylinderShape(0.5m + (Fix64)random.NextDouble() * 1.5m, 0.5m + (Fix64)random.NextDouble() * 1.5m);
break;
case 1:
shape = new ConeShape(0.5m + (Fix64)random.NextDouble() * 1.5m, 0.5m + (Fix64)random.NextDouble() * 1.5m);
break;
default:
shape = new CapsuleShape(0.5m + (Fix64)random.NextDouble() * 1.5m, 0.5m + (Fix64)random.NextDouble() * 1.5m);
break;
}
var toAdd = new Entity(shape, 2);
//toAdd.LocalInertiaTensorInverse = new BEPUutilities.Matrix3x3();
RandomizeEntityState(toAdd);
Space.Add(toAdd);
}
Space.ForceUpdater.Gravity = new Vector3();
game.Camera.Position = new Vector3(0, 6, 15);
}
/// <summary>
/// Constructs a new demo.
/// </summary>
/// <param name="game">Game owning this demo.</param>
public SimulationIslandStressTestDemo(DemosGame game)
: base(game)
{
Space.Add(new Box(new Vector3(0, 0, 0), 1000, 10, 1000));
//MotionSettings.DefaultPositionUpdateMode = BEPUphysics.PositionUpdating.PositionUpdateMode.Continuous;
NarrowPhaseHelper.Factories.SphereSphere.EnsureCount(15000);
NarrowPhaseHelper.Factories.BoxSphere.EnsureCount(3000);
NarrowPhaseHelper.Factories.BoxBox.EnsureCount(35000);
//Space.BroadPhase = new Grid2DSortAndSweep(Space.ThreadManager);
ConfigurationHelper.ApplySuperSpeedySettings(Space);
//Space.ForceUpdater.Gravity = new Vector3();
Space.Solver.IterationLimit = 1;
Random rand = new Random();
//float width = 200;
//float height = 200;
//float length = 200;
//for (int i = 0; i < 5000; i++)
//{
// Vector3 position =
// new Vector3((float)rand.NextDouble() * width - width * .5f,
// (float)rand.NextDouble() * height + 20,
// (float)rand.NextDouble() * length - length * .5f);
// var sphere = new Sphere(position, 1, 1);// { Tag = "noDisplayObject" };
// sphere.ActivityInformation.IsAlwaysActive = true;
// Space.Add(sphere);
//}
float width = 10;
float height = 50;
float length = 10;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
for (int k = 0; k < length; k++)
{
Vector3 position =
new Vector3(i * 3 + j * .2f,
20 + j * 3f,
k * 3 + j * .2f);
var e = new Sphere(position, 1, 1)
{
Tag = "noDisplayObject"
};
//var e = new Box(position, 1, 1, 1, 1) { Tag = "noDisplayObject" };
e.ActivityInformation.IsAlwaysActive = true;
Space.Add(e);
}
}
}
game.Camera.Position = new Microsoft.Xna.Framework.Vector3(0, 30, 20);
//Pre-simulate.
for (int i = 0; i < 30; i++)
{
Space.Update();
}
int numRuns = 500;
double startTime = Stopwatch.GetTimestamp() / (double)Stopwatch.Frequency;
for (int i = 0; i < numRuns; i++)
{
Space.Update();
}
double endTime = Stopwatch.GetTimestamp() / (double)Stopwatch.Frequency;
time = endTime - startTime;
}
