public void UpdateDraw_Ray(Ray3f ray, int nStep)
{
// scene xform may have changed during steps (eg view rotation), so we
// need to reconstruct our local frame
Frame3f primCurW = scene.ToWorldFrame(primStartS);
// step 1: find radius in plane
// step 2: find height from plane
float fY = MinDimension;
if (nStep == 0)
{
Vector3f forwardDir = ray.Direction;
Vector3f plane_hit = VRUtil.SafeRayPlaneIntersection(ray, forwardDir, primCurW.Origin, primCurW.Y);
plane_hit_local = primCurW.ToFrameP(plane_hit);
}
else if (nStep == 1)
{
Vector3f plane_hit = primCurW.FromFrameP(plane_hit_local);
Line3d l = new Line3d(plane_hit, primCurW.Y);
fY = (float)DistLine3Ray3.MinDistanceLineParam(ray, l);
}
// figure out possible dimensions, clamp to ranges
float planeX = MathUtil.SignedClamp(plane_hit_local[0], MinDimension, MaxDimension);
float planeZ = MathUtil.SignedClamp(plane_hit_local[2], MinDimension, MaxDimension);
float fR_plane = MathUtil.Clamp(plane_hit_local.Length, MinDimension / 2, MaxDimension / 2);
fY = MathUtil.SignedClamp(fY, MinDimension, MaxDimension);
// update frame
primitive.Frame = primCurW;
// update dimensions
bool bIsCorner = (primitive.Center == CenterModes.Corner);
float fScale = 1.0f; // object is not in scene coordinates!
if (primitive.Type == MeshPrimitivePreview.PrimType.Cylinder)
{
primitive.Width = (bIsCorner) ? fR_plane * fScale : 2 * fR_plane * fScale;
primitive.Depth = primitive.Width;
primitive.Height = fY * fScale;
}
else if (primitive.Type == MeshPrimitivePreview.PrimType.Box)
{
primitive.Width = (bIsCorner) ? planeX * fScale : 2 * planeX * fScale;
primitive.Depth = (bIsCorner) ? planeZ * fScale : 2 * planeZ * fScale;
primitive.Height = fY * fScale;
}
else if (primitive.Type == MeshPrimitivePreview.PrimType.Sphere)
{
primitive.Width = (bIsCorner) ? fR_plane * fScale : 2 * fR_plane * fScale;
primitive.Depth = primitive.Width;
primitive.Height = Mathf.Sign(fY) * primitive.Width;
}
else
{
throw new NotImplementedException("DrawPrimitivesTool.UpdateDraw_Ray - type not supported");
}
}
public void DoCameraControl(FScene scene, fCamera mainCamera, InputState input)
{
if (bInAction == false)
{
if (Input.GetMouseButtonDown(0) || Input.GetMouseButtonDown(1) || Input.GetMouseButtonDown(2))
{
curPos2D = new Vector2(0, 0);
rcInfo = new CameraManipulator.RateControlInfo(curPos2D);
bInAction = bUsingMouse = true;
}
else if (InputExtension.Get.GamepadRightShoulder.Down || InputExtension.Get.GamepadLeftShoulder.Down)
{
curPos2D = secondPos2D = new Vector2(0, 0);
rcInfo = new CameraManipulator.RateControlInfo(curPos2D);
rcInfo2 = new CameraManipulator.RateControlInfo(secondPos2D);
bInAction = bUsingGamepad = true;
}
}
if (bInAction && bUsingMouse)
{
Vector2f mouseDelta = InputExtension.Get.Mouse.PositionDelta;
curPos2D.x += mouseDelta.x;
curPos2D.y += mouseDelta.y;
if (Input.GetMouseButton(0))
{
mainCamera.Manipulator().SceneRateControlledFly(scene, mainCamera, curPos2D, rcInfo);
}
else if (Input.GetMouseButton(1))
{
mainCamera.Manipulator().SceneRateControlledZoom(scene, mainCamera, curPos2D, rcInfo);
}
else if (Input.GetMouseButton(2))
{
mainCamera.Manipulator().SceneRateControlledEgogentricPan(scene, mainCamera, curPos2D, rcInfo);
}
}
if (bInAction && bUsingGamepad)
{
Vector2f stick1 = InputExtension.Get.GamepadLeftStick.Position;
Vector2f stick2 = InputExtension.Get.GamepadRightStick.Position;
float dx = stick1.x;
float dy = stick1.y;
float dx2 = stick2.x;
float dy2 = stick2.y;
curPos2D.x += dx;
curPos2D.y += dy;
secondPos2D.x += dx2;
secondPos2D.y += dy2;
float use_t = 3.0f; // 5 == hard stop, 1 == bit too soft
curPos2D.x = MathUtil.SignedClamp(curPos2D.x, rcInfo.rampUpRadius);
curPos2D.x = Mathf.Lerp(curPos2D.x, 0, use_t * Time.deltaTime);
curPos2D.y = MathUtil.SignedClamp(curPos2D.y, rcInfo.rampUpRadius);
curPos2D.y = Mathf.Lerp(curPos2D.y, 0, use_t * Time.deltaTime);
secondPos2D.x = MathUtil.SignedClamp(secondPos2D.x, rcInfo.rampUpRadius);
secondPos2D.x = Mathf.Lerp(secondPos2D.x, 0, use_t * Time.deltaTime);
secondPos2D.y = MathUtil.SignedClamp(secondPos2D.y, rcInfo.rampUpRadius);
secondPos2D.y = Mathf.Lerp(secondPos2D.y, 0, use_t * Time.deltaTime);
if (InputExtension.Get.GamepadRightShoulder.Down)
{
mainCamera.Manipulator().SceneRateControlledZoom(scene, mainCamera, curPos2D, rcInfo);
secondPos2D[0] = 0;
mainCamera.Manipulator().SceneRateControlledEgogentricPan(scene, mainCamera, secondPos2D, rcInfo2);
}
else if (InputExtension.Get.GamepadLeftShoulder.Down)
{
mainCamera.Manipulator().SceneRateControlledFly(scene, mainCamera, curPos2D, rcInfo);
mainCamera.Manipulator().SceneRateControlledEgogentricPan(scene, mainCamera, secondPos2D, rcInfo2);
}
}
}
