private void Orbit(int x, int y, CameraMotionSettings cms, float dt)
{
Yaw += x * cms.OrbitSpeed * dt;
Yaw = MathHelper.WrapAngle(Yaw);
Pitch += y * cms.OrbitSpeed * dt;
Pitch = MathHelper.Clamp(Pitch, MIN_PITCH, MAX_PITCH);
}
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));
}
public static CameraMotionSettings Lerp(CameraMotionSettings s1, CameraMotionSettings s2, float r)
{
return new CameraMotionSettings() {
OrbitSpeed = MathHelper.Lerp(s1.OrbitSpeed, s2.OrbitSpeed, r),
ScrollSpeed = MathHelper.Lerp(s1.ScrollSpeed, s2.ScrollSpeed, r),
MinDistance = MathHelper.Lerp(s1.MinDistance, s2.MinDistance, r),
MaxDistance = MathHelper.Lerp(s1.MaxDistance, s2.MaxDistance, r)
};
}
public static CameraMotionSettings Lerp(CameraMotionSettings s1, CameraMotionSettings s2, float r)
{
return(new CameraMotionSettings()
{
OrbitSpeed = MathHelper.Lerp(s1.OrbitSpeed, s2.OrbitSpeed, r),
ScrollSpeed = MathHelper.Lerp(s1.ScrollSpeed, s2.ScrollSpeed, r),
MinDistance = MathHelper.Lerp(s1.MinDistance, s2.MinDistance, r),
MaxDistance = MathHelper.Lerp(s1.MaxDistance, s2.MaxDistance, r)
});
}
public Camera(Viewport v)
{
camOrigin = INITIAL_CAMERA_ORIGIN;
Yaw = INITIAL_CAMERA_YAW;
Pitch = INITIAL_CAMERA_PITCH;
ZoomRatio = INITIAL_ZOOM_RATIO;
lowSettings = INITIAL_LOW_SETTINGS;
highSettings = INITIAL_HIGH_SETTINGS;
ZoomSpeed = INITIAL_ZOOM_SPEED;
RecalculateView(null, MovementSettings.MaxDistance);
IsOrthographic = false;
Projection = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, v.AspectRatio, 0.01f, 2000f);
camController = new CameraController(v.Width, v.Height);
holdVelocity = 0;
}
private void Scroll(int x, int y, CameraMotionSettings cms, float dt)
{
// Lerp Velocities
if (camController.ScrollX != 0 || camController.ScrollZ != 0)
{
holdVelocity += (dt / HOLD_TIME_SPAN);
}
else
{
holdVelocity = 0;
}
holdVelocity = MathHelper.Clamp(holdVelocity, 0, 1);
dt = Tweens.EASE.GetValue(0, dt, holdVelocity);
camTarget.Y += camController.ScrollY * cms.ScrollSpeed * dt * (ZoomRatio + ZOOM_OFFSET);
if (x == 0 && y == 0)
{
return;
}
Matrix camWorld = Matrix.Invert(mView);
Vector3 forward = camWorld.Forward;
forward.Y = 0;
forward.Normalize();
Vector3 right = camWorld.Right;
right.Y = 0;
right.Normalize();
camTarget += forward * y * cms.ScrollSpeed * dt * (ZoomRatio + ZOOM_OFFSET);
camTarget += right * x * cms.ScrollSpeed * dt * (ZoomRatio + ZOOM_OFFSET);
}
public Camera(Viewport v)
{
camOrigin = INITIAL_CAMERA_ORIGIN;
Yaw = INITIAL_CAMERA_YAW;
Pitch = INITIAL_CAMERA_PITCH;
ZoomRatio = INITIAL_ZOOM_RATIO;
lowSettings = INITIAL_LOW_SETTINGS;
highSettings = INITIAL_HIGH_SETTINGS;
ZoomSpeed = INITIAL_ZOOM_SPEED;
RecalculateView(null, MovementSettings.MaxDistance);
IsOrthographic = false;
Projection = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, v.AspectRatio, 0.01f, 2000f);
camController = new CameraController(v.Width, v.Height);
holdVelocity = 0;
}
private void Scroll(int x, int y, CameraMotionSettings cms, float dt)
{
// Lerp Velocities
if(camController.ScrollX != 0 || camController.ScrollZ != 0)
holdVelocity += (dt / HOLD_TIME_SPAN);
else
holdVelocity = 0;
holdVelocity = MathHelper.Clamp(holdVelocity, 0, 1);
dt = Tweens.EASE.GetValue(0, dt, holdVelocity);
camTarget.Y += camController.ScrollY * cms.ScrollSpeed * dt * (ZoomRatio + ZOOM_OFFSET);
if(x == 0 && y == 0) return;
Matrix camWorld = Matrix.Invert(mView);
Vector3 forward = camWorld.Forward;
forward.Y = 0;
forward.Normalize();
Vector3 right = camWorld.Right;
right.Y = 0;
right.Normalize();
camTarget += forward * y * cms.ScrollSpeed * dt * (ZoomRatio + ZOOM_OFFSET);
camTarget += right * x * cms.ScrollSpeed * dt * (ZoomRatio + ZOOM_OFFSET);
}
private void Orbit(int x, int y, CameraMotionSettings cms, float dt)
{
Yaw += x * cms.OrbitSpeed * dt;
Yaw = MathHelper.WrapAngle(Yaw);
Pitch += y * cms.OrbitSpeed * dt;
Pitch = MathHelper.Clamp(Pitch, MIN_PITCH, MAX_PITCH);
}