public MovingPlatform(Shape aPlatform, Vector2D start, Vector2D end, float aSpeed, float dampen)
{
point1 = start;
point2 = end;
destSpeed = aSpeed;
Vector2D displacement = point2 - point1;
direction = displacement.Normalised();
timeToTravel = displacement.Length() / destSpeed;
timeSoFar = 0.0f;
currentSpeed = 0;
//if the dampen time is longer than half the total travel time then cut it down to half the travel time
if (dampen * 2.0f > timeToTravel)
{
dampen = timeToTravel / 2.0f;
}
dampenTime = dampen;
acceleration = SuvatEquations.AfromUTV(0, dampenTime, destSpeed);
platform = new RigidBody();
platform.Shape = aPlatform;
platform.LinearVelocity = direction * currentSpeed;
platform.moveable = true;
platform.obeysGravity = false;
platform.reactToForce = false;
platform.SetPosition(point1);
}
//initialise a net centred on the provided location, with the initial velocity
private void CreateNet(Vector2D initalLocation, Vector2D initalVelocity)
{
float cubeSize = 5.0f;
int width = 5;
int height = 5;
float restLength = 15;
RigidBody tempSquare;
//loop through the width and height of the net
for (int i = 0; i < height; ++i)
{
for (int j = 0; j < width; ++j)
{
//create the next box and add it to the list of boxes
tempSquare = new RigidBody();
tempSquare.Shape = new Box(cubeSize, cubeSize);
tempSquare.Shape.mColor = System.Drawing.Color.LightSteelBlue;
tempSquare.type = RBTypes.PLAYER_NET;
tempSquare.SetPosition(initalLocation + new Vector2D((j - 2) * cubeSize, (i - 2) * cubeSize));
tempSquare.LinearVelocity = initalVelocity;
tempSquare.SetDynamic();
tempSquare.Mass = 20;
netEdges.Add(tempSquare);
//add the spring to the block on the left
if (j > 0)
{
netRopes.Add(new SpringJoint(netEdges[i * width + j], netEdges[i * width + j - 1]));
netRopes[netRopes.Count - 1].RestLength = restLength;
netRopes[netRopes.Count - 1].Stiffness = 1000;
}
//add a spring to the block above
if (i > 0)
{
netRopes.Add(new SpringJoint(netEdges[i * width + j], netEdges[(i - 1) * width + j]));
netRopes[netRopes.Count - 1].RestLength = restLength;
netRopes[netRopes.Count - 1].Stiffness = 1000;
}
}
}
}