public void Update(CollisionGrid map, float dt)
{
CameraMotionSettings cms = MovementSettings;
Scroll(camController.ScrollX, camController.ScrollZ, cms, dt);
Orbit(camController.Yaw, camController.Pitch, cms, dt);
int z;
camController.GetZoom(out z);
Zoom(z, dt);
camTarget.X = MathHelper.Clamp(camTarget.X, 0, map.size.X);
camTarget.Z = MathHelper.Clamp(camTarget.Z, 0, map.size.Y);
//camOrigin.Y = Grey.Vox.Region.HEIGHT * 0.5f; // MathHelper.Clamp(camOrigin.Y, 0, Grey.Vox.Region.HEIGHT);
camTarget.Y = map.HeightAt(new Vector2(camOrigin.X, camTarget.Z));
bool reset;
camController.GetResetDefault(out reset);
if (reset)
{
Yaw = INITIAL_CAMERA_YAW;
Pitch = INITIAL_CAMERA_PITCH;
ZoomRatio = INITIAL_ZOOM_RATIO;
}
camOrigin = Tweens.LINEAR.GetValue(camOrigin, camTarget, TWEEN_FACTOR * dt);
RecalculateView(map, MathHelper.Lerp(cms.MinDistance, cms.MaxDistance, ZoomRatio));
}
// Clamp The Geometry To The Heightmap
public static void CollideHeightmap(ICollidable o, CollisionGrid map)
{
if (!o.IsStatic)
{
o.Height = map.HeightAt(o.Center);
}
}
// View Matrix Recalculation
public void RecalculateView(CollisionGrid map, float dist)
{
Matrix rot =
Matrix.CreateRotationZ(Pitch) *
Matrix.CreateRotationY(Yaw);
Vector3 back = Vector3.TransformNormal(Vector3.UnitX, rot);
back.Normalize();
Vector3 eye = CamOrigin + back * dist;
//if(map != null) {
// float h = map.HeightAt(eye.X, eye.Z);
// if(eye.Y < h)
// eye.Y = h + EYE_HEIGHT_OFFSET;
//}
View = Matrix.CreateLookAt(eye, CamOrigin, Vector3.Up);
}