// public MainActivity(IGyroscopeService gyroscopeService, IAccelerometerService accelerometerService)
// {
// this.gyroscopeService = gyroscopeService;
// this.accelerometerService = accelerometerService;
// }
public MainActivity()
{
gyroscopeService = new GyroscopeService();
accelerometerService = new AccelerometerService();
accelerometerService.AccelerometerPoints = new List <AccelerometerPoint>();
gyroscopeService.GyroscopePoints = new List <GyroscopePoint>();
}
/// <summary>
/// UpdateBalls()
/// Evalute ball physics, generate new velocities based on collisions, and update
/// ball positions
/// </summary>
protected void UpdateBalls(float dt)
{
IAccelerometerService accel = (IAccelerometerService)Game.Services.GetService(typeof(IAccelerometerService));
Vector3 gravity = accel.RawAcceleration * 2000;
// Update positions, add air friction and gravity
foreach (Ball ball in Balls)
{
ball.Position += ball.Velocity * dt; // +(gravity * (dt * dt * 0.5f));
ball.Velocity += gravity * dt;
}
// Resolve ball-ball collisions
int ballCount = Balls.Count;
for (int i = 0; i < ballCount; i++)
{
for (int j = i + 1; j < ballCount; j++)
{
sphereCollisionImplicit(Balls[i], Balls[j]);
}
}
// Resolve collisions with floor
for (int i = 0; i < ballCount; i++)
{
Ball ball = Balls[i];
// Resolves collisions with walls
foreach (Plane wall in Walls)
{
float depth = wall.DotCoordinate(ball.Position) - ball.Radius;
if (depth < 0)
{
// collision with wall
ball.Position -= wall.Normal * depth;
float impact = wall.DotNormal(ball.Velocity);
if (impact < 0)
{
ball.Velocity -= wall.Normal * (impact * (wallElasticity + 1));
}
}
}
}
}
public void Dispose()
{
accelerometerService.TranslationChanged -= TranslationChanged;
accelerometerService = null;
}
public AccelerometerController(IAccelerometerService accelerometerService)
{
_accelerometerService = accelerometerService;
}
