public override Collision checkCollisionWith(SphereBody body)
{
double dist = distanceToPoint(body.Position);
if (dist < body.Radius)
{
Vector normal = Normal;
Vector startPoint = (Vector)(body.Position - Normal);
Vector endPoint = (Vector)(body.Position - Normal * dist);
return(new Collision(startPoint, endPoint, normal, this, body));
}
else
{
return(null);
}
}
static void practice1()
{
World world = new World();
// PlaneBody ground = new PlaneBody(
// double.PositiveInfinity,
// 0, 0, 0,
// 0, 0, 1);
// world.addBody(ground);
SphereBody body = new SphereBody(
1,
0, 0, 100,
0, 0, 0);
world.addBody(body);
world.addGlobalForce(new SimpleGravity());
//double[] v = { 0, 0, 10 };
//body.applyForce(new TemporalForce((Vector)Vector.Build.DenseOfArray(v), 1.0));
Console.Write("Tell me the magnitude of the initial velocity: ");
double vel_scalar;
while (!double.TryParse(Console.ReadLine(), out vel_scalar))
{
Console.Write("I need a floating point number: ");
}
Console.Write("Tell me its angle to the X axis: ");
double angle;
while (!double.TryParse(Console.ReadLine(), out angle))
{
Console.Write("I need a floating point number: ");
}
double tan = Math.Tan(angle * Math.PI / 180);
double[] vel = { 1, tan, 0 };
Vector velocity = (Vector)(Vector.Build.DenseOfArray(vel).Normalize(2) * vel_scalar);
body.Velocity = velocity;
StreamWriter outputStream = new StreamWriter("./output.txt");
outputBodyData(outputStream, 0.0, body, true);
double iterationStep = 0.1;
double iterationFrame = 10;
for (double t = 0; t < iterationFrame; t += iterationStep)
{
world.update(iterationStep);
outputBodyData(outputStream, t, body);
}
outputStream.Close();
return;
}
public Collision checkCollisiion(SphereBody body1, SphereBody body2)
{
throw new NotImplementedException();
}
public Collision checkCollisionWith(SphereBody body)
{
}