public void Initialize(PhysicsSimulator physicsSimulator)
{
//The wave controller controls how the waves move.. how big, how fast, etc..
//The wave controller is represented as set of points equally
//spaced horizontally along the width of the wave.
WaveController = new WaveController();
WaveController.Position = ConvertUnits.ToSimUnits(0, 300);
WaveController.Width = ConvertUnits.ToSimUnits(700);
WaveController.Height = ConvertUnits.ToSimUnits(200);
WaveController.NodeCount = 20; //how many vertices make up the surface of the wave
WaveController.DampingCoefficient = .95f; //determines how quickly the wave will disipate
WaveController.Frequency = .16f; //determines how fast the wave algorithm runs (seconds)
//The wave generator parameters simply move an end-point of the wave up and down.
//Think of a string attached to a wall on one end and held by a person on the other.
//If the person moves the string up and down to make "waves" then the arm is acting
//similar to the wave generator. The WaveGeneratorStep property controls how fast the "arm"
//moves.
WaveController.WaveGeneratorMax = WaveGeneratorMax;
WaveController.WaveGeneratorMin = WaveGeneratorMin;
WaveController.WaveGeneratorStep = WaveGeneratorStep;
WaveController.Initialize();
//fluid drag controller controls how things move once IN the water.
FluidDragController = new FluidDragController();
FluidDragController.Initialize(WaveController, 5f, 4f, 2f, physicsSimulator.Gravity); //init with default values.
physicsSimulator.Add(FluidDragController);
}
private BuoyancyTest()
{
//Make a box
//Bottom
Body ground = BodyFactory.CreateBody(World);
Vertices edge = PolygonTools.CreateEdge(new Vector2(0.0f, 0.0f), new Vector2(40.0f, 0.0f));
PolygonShape shape = new PolygonShape(edge);
ground.CreateFixture(shape);
//Left side
shape.Set(PolygonTools.CreateEdge(new Vector2(0.0f, 0.0f), new Vector2(00.0f, 15.0f)));
ground.CreateFixture(shape);
//Right side
shape.Set(PolygonTools.CreateEdge(new Vector2(40.0f, 0.0f), new Vector2(40.0f, 15.0f)));
ground.CreateFixture(shape);
//Buoyancy controller
_aabbContainer = new AABBFluidContainer(new Vector2(0, 0), 40, 10);
_waveContainer = new WaveContainer(new Vector2(0, 0), 40, 10);
_waveContainer.WaveGeneratorStep = 0;
FluidDragController buoyancyController = new FluidDragController(_waveContainer, 4f, 0.98f, 0.2f,
World.Gravity);
buoyancyController.Entry += EntryEventHandler;
Vector2 offset = new Vector2(5, 0);
//Bunch of balls
for (int i = 0; i < 4; i++)
{
Fixture fixture = FixtureFactory.CreateCircle(World, 1, 1, new Vector2(15, 1) + offset * i);
fixture.Body.BodyType = BodyType.Dynamic;
buoyancyController.AddGeom(fixture);
}
World.Add(buoyancyController);
}
public void AddFluidContainer(FluidContainerMain fluidContainerMain)
{
double x = Convert.ToDouble(fluidContainerMain.VisualElement.GetValue(Canvas.LeftProperty));
double y = Convert.ToDouble(fluidContainerMain.VisualElement.GetValue(Canvas.TopProperty));
float width = (float)fluidContainerMain.VisualElement.ActualWidth;
float height = (float)fluidContainerMain.VisualElement.ActualHeight;
WaveController waveController = fluidContainerMain.WaveControllerObject;
waveController.Position = new Vector2((float)x, (float)y);
waveController.Width = width;
waveController.Height = height;
waveController.NodeCount = fluidContainerMain.NodeCount;
waveController.DampingCoefficient = (float)fluidContainerMain.DampingCoefficient;
waveController.Frequency = (float)fluidContainerMain.Frequency;
waveController.WaveGeneratorMax = (float)fluidContainerMain.WaveGeneratorMax;
waveController.WaveGeneratorMin = (float)fluidContainerMain.WaveGeneratorMin;
waveController.WaveGeneratorStep = (float)fluidContainerMain.WaveGeneratorStep;
waveController.Initialize();
Vector2 vecTopLeft = new Vector2((float)x, (float)y);
Vector2 vecBottomRight = new Vector2((float)x + width, (float)y + height);
AABB waterAABB = new AABB(vecTopLeft, vecBottomRight);
AABBFluidContainer waterContainer = new AABBFluidContainer(waterAABB);
FluidDragController fluidDragController = new FluidDragController();
foreach (KeyValuePair <string, PhysicsSprite> item in PhysicsObjects)
{
PhysicsSprite sprite = item.Value;
fluidDragController.AddGeom(sprite.GeometryObject);
}
fluidDragController.Initialize(waterContainer, (float)fluidContainerMain.FluidDensity, (float)fluidContainerMain.LinearDragCoefficient, (float)fluidContainerMain.RotationalDragCoefficient, new Vector2((float)fluidContainerMain.GravityHorizontal, (float)fluidContainerMain.GravityVertical));
Simulator.Add(fluidDragController);
}
public void Reset()
{
FluidDragController.Reset();
}
