private void init(IScreen IScreen)
{
this.IScreen = IScreen;
_aspectRatio = IScreen.GraphicInfo.Viewport.AspectRatio;
_projection = Matrix.CreatePerspectiveFieldOfView(_fieldOdView, _aspectRatio, _nearPlane, _farPlane);
this._frustrum = new BoundingFrustum(_view * _projection);
{
IScreen.BindInput(new SimpleConcreteGestureInputPlayable(Microsoft.Xna.Framework.Input.Touch.GestureType.FreeDrag,
(sample) =>
{
this.RotationInY += sample.Delta.Y * 0.001f;
this.RotationInX += sample.Delta.X * 0.001f;
}
));
IScreen.BindInput(new SimpleConcreteGestureInputPlayable(Microsoft.Xna.Framework.Input.Touch.GestureType.Pinch,
(sample) =>
{
// if (lastDistance != 0)
{
// get the current and previous locations of the two fingers
Vector2 a = sample.Position;
Vector2 aOld = sample.Position - sample.Delta;
Vector2 b = sample.Position2;
Vector2 bOld = sample.Position2 - sample.Delta2;
// figure out the distance between the current and previous locations
float d = Vector2.Distance(a, b);
float dOld = Vector2.Distance(aOld, bOld);
// calculate the difference between the two and use that to alter the scale
float scaleChange = (d - dOld) * .5f;
this.Radius -= scaleChange;
//cam.AspectRatio = GraphicInfo.BackBufferWidth / GraphicInfo.BackBufferHeight;
//float dist = (sample.Position - sample.Position2).Length();
//CameraUpdate.Radius += (dist - lastDistance) * 0.5f;
//lastDistance = dist;
}
}
));
}
}