void AddNewPoint(ref PartitionMesh.CustomHitInfo hitInfo)
{
// We want to store information relative to the virtual object
points.Add(hitInfo.point);
normals.Add(hitInfo.normal);
timestamps.Add(Time.time);
pointsInCurStroke++;
}
public void SetTargetHit(PartitionMesh.CustomHitInfo hitInfo)
{
targetHit = hitInfo;
}
// Update is called once per frame
void Update()
{
// counter++;
// if (counter % 20 != 0)
// return;
cursor.transform.position = gameObject.transform.TransformPoint(0f, -0.1f, 0.05f);
if (controller.GetPressDown(SteamVR_Controller.ButtonMask.ApplicationMenu))
{
cursor.GetComponent <SwitchCursor>().Switch();
closestDraw.SwitchMode();
occlusionDraw.SwitchMode();
sprayDraw.SwitchMode();
comboDraw.SwitchMode();
projectionLaser.SetActive(!projectionLaser.activeSelf);
SwitchMode();
}
if (controller.GetTouch(SteamVR_Controller.ButtonMask.Touchpad))
{
Vector2 touch = (controller.GetAxis(Valve.VR.EVRButtonId.k_EButton_Axis0));
//Debug.Log("i was touched...");
touchCoords.x = touch.x;
touchCoords.y = touch.y;
}
if (controller.GetPress(SteamVR_Controller.ButtonMask.Touchpad))
{
Vector2 touchpad = (controller.GetAxis(Valve.VR.EVRButtonId.k_EButton_Axis0));
print("Pressing Touchpad");
if (touchpad.y > 0.7f)
{
// PROBLEM! need to change projectionMode here as well, otherwise it will use the wrong ray :(
print("Moving Up");
projectionMode = "Occlusion";
ChangeStroke(projectionMode);
occlusionDraw.enabled = true;
}
else if (touchpad.y < -0.7f)
{
print("Down: Combined Ray");
projectionMode = "Combo";
ChangeStroke(projectionMode);
comboDraw.enabled = true;
}
if (touchpad.x > 0.7f)
{
print("Moving Right");
projectionMode = "Spray";
ChangeStroke(projectionMode);
sprayDraw.enabled = true;
//if (Input.touchCount > 0) {
// Touch touch = Input.GetTouch(0);
// Vector2 pos = touch.position;
// Debug.Log(pos.x);
// Debug.Log(pos.y);
//}
}
else if (touchpad.x < -0.7f)
{
print("Moving left");
projectionMode = "Closest Hit";
ChangeStroke(projectionMode);
closestDraw.enabled = true;
}
}
// this part makes the model disappear
//if (controller.GetPressDown(SteamVR_Controller.ButtonMask.Touchpad) && !controller.GetPress(SteamVR_Controller.ButtonMask.Grip)) {
// mc.GetComponent<ModelsController>().ToggleModelRenderer();
//}
switch (mode)
{
case Mode.Drawing:
PartitionMesh.CustomHitInfo hit = new PartitionMesh.CustomHitInfo();
float triggeraxis = controller.GetAxis(Valve.VR.EVRButtonId.k_EButton_SteamVR_Trigger).x;
// // `hit` is the point on the mesh closest to the controller
hit = pm.GlobalClosestHit(cursor.transform.position);
cursor.transform.position = hit.point;
closestDraw.SetTargetHit(hit);
Ray ray = new Ray();
OcclusionRay = new Ray(Camera.main.transform.position, gameObject.transform.TransformPoint(0f, -0.1f, 0.05f) - Camera.main.transform.position);
SprayRay = new Ray(gameObject.transform.TransformPoint(0f, -0.1f, 0.05f), gameObject.transform.TransformVector(0f + (touchCoords.x * 0.1f), 0f + (touchCoords.y * 0.1f), 0.05f));
// ray is the ray from the headset to the controller (in `Occlusion` mode, which we want to use)
switch (projectionMode)
{
case "Occlusion":
ray = OcclusionRay;
break;
case "Spray":
//ray = new Ray(gameObject.transform.TransformPoint(0f, -0.1f, 0.05f), gameObject.transform.TransformVector(0f, -0.1f, 0.05f));
ray = SprayRay;
//ray = new Ray(gameObject.transform.position, gameObject.transform.forward);
break;
case "Combo":
ComboRay = makeComboRay();
ray = ComboRay;
break;
case "Closest Hit":
// PartitionMesh.CustomHitInfo hit = new PartitionMesh.CustomHitInfo();
// float triggeraxis = controller.GetAxis(Valve.VR.EVRButtonId.k_EButton_SteamVR_Trigger).x;
// `hit` is the point on the mesh closest to the controller
// hit = pm.GlobalClosestHit(cursor.transform.position);
// cursor.transform.position = hit.point;
// //Debug.Log("Inside");
// closestDraw.SetTargetHit(hit);
// ray = new Ray();
break;
//case ProjectionMode.Occlusion:
// ray = new Ray(Camera.main.transform.position, gameObject.transform.TransformPoint(0f, -0.1f, 0.05f) - Camera.main.transform.position);
// break;
//case ProjectionMode.Spray:
// ray = new Ray(gameObject.transform.TransformPoint(0f, -0.1f, 0.05f), gameObject.transform.TransformVector(0f, -0.1f, 0.05f));
// //ray = new Ray(gameObject.transform.position, gameObject.transform.forward);
// break;
//case ProjectionMode.ClosestHit:
// // PartitionMesh.CustomHitInfo hit = new PartitionMesh.CustomHitInfo();
// // float triggeraxis = controller.GetAxis(Valve.VR.EVRButtonId.k_EButton_SteamVR_Trigger).x;
// // `hit` is the point on the mesh closest to the controller
// hit = pm.GlobalClosestHit(cursor.transform.position);
// cursor.transform.position = hit.point;
// //Debug.Log("Inside");
// closestDraw.SetTargetHit(hit);
// ray = new Ray();
// break;
}
RaycastHit hitInfo;
int layermask = 1 << 9;
PartitionMesh.CustomHitInfo projectedHit;
// cast `ray` towards the mesh and find the intersection point `projectedHit`
if (Physics.Raycast(ray, out hitInfo, Mathf.Infinity, layermask))
{
//Debug.Log("Found intersection " + (hitInfo.collider == null).ToString());
projectedHit.point = hitInfo.point;
projectedHit.triangleIndex = hitInfo.triangleIndex;
projectedHit.normal = hitInfo.normal;
projectedHit.collider = hitInfo.collider;
projectedHit.success = true;
}
else
{
projectedHit = HitCursor();
//Debug.Log("Fallback " + (projectedHit).ToString());
}
occlusionDraw.SetTargetHit(projectedHit);
sprayDraw.SetTargetHit(projectedHit);
comboDraw.SetTargetHit(projectedHit);
projectionCursor.transform.position = projectedHit.point;
break;
}
}
// Create the combined ray from two rays by calculating confidence values and averaging them
private Ray makeComboRay()
{
// controller positions ciP and orientation ciO, ciP is p_i
Vector3 ciP = gameObject.transform.TransformPoint(0f, -0.1f, 0.05f);
Vector3 ciO = gameObject.transform.TransformVector(0f, -0.1f, 0.05f);
// head: hiP and hiO
// Vector3 hiP = Camera.main.transform.position;
Vector3 hiO = (ciP - Camera.main.transform.position).normalized;
// mesh
// Mesh mesh = mc.GetComponent<PartitionMesh>().GetComponent<MeshFilter>().sharedMesh;
// Vector3[] meshNorms = mesh.normals;
// ray from controller and camera
Ray controllerRay = new Ray(ciP, ciO);
Ray viewRay = new Ray(ciP, hiO);
// hit info from two rays
PartitionMesh.CustomHitInfo controllerHitInfo = getProjectedHit(controllerRay);
PartitionMesh.CustomHitInfo viewHitInfo = getProjectedHit(viewRay);
// TODO: take care of threshold stuff later
// float dist = Vector3.Distance(comboDraw.points[comboDraw.points.Count-1], comboDraw.points[comboDraw.points.Count-2]);
// float threshold = 2f;
Vector3 controllerHitPoint = controllerHitInfo.point; //cm_i
Vector3 controllerHitNormal = controllerHitInfo.normal; //cm'_i
//Distance cd_i=||p_i-cm_i||, Angle ca_i= max(0,-(c’_i dot cm’_i ));
float dist_cdI = Mathf.Infinity;
if (controllerHitInfo.success)
{
dist_cdI = Vector3.Distance(ciP, controllerHitPoint);
}
float angle_caI = Mathf.Max(0, -Vector3.Dot(controllerRay.direction, controllerHitNormal));
// make view viO, which is an orientation view v’_i = normalize(p_i-h_i)
// Vector3 viO = Vector3.Normalize(ciP-hiP);
// Ray viewRay = new Ray(ciP, viO);
// PartitionMesh.CustomHitInfo viewHitInfo = getProjectedHit(cameraRay);
Vector3 viewHitPoint = viewHitInfo.point;
Vector3 viewHitNormal = viewHitInfo.normal;
float dist_hdI = Mathf.Infinity;
if (viewHitInfo.success)
{
dist_hdI = Vector3.Distance(ciP, viewHitPoint);
}
float angle_haI = Mathf.Max(0, -Vector3.Dot(viewRay.direction, viewHitNormal));
float sigmoidDist = 0.5f; //edit later
float w1 = Sigmoid(dist_cdI / sigmoidDist) * angle_caI;
float w2 = Sigmoid(dist_hdI / sigmoidDist) * angle_haI;
var weightSum = Mathf.Epsilon + w1 + w2;
w1 = w1 / weightSum;
w2 = w2 / weightSum;
// do check for w1 w2 = 0 later
// Ray ComboRay = new Ray(ciP, (w1 * controllerRay.direction + w2 * viewRay.direction));
Ray ComboRay = new Ray(ciP, Vector3.Slerp(controllerRay.direction, viewRay.direction, w2));
// Debug.Log("occ " + OcclusionRay.ToString());
// Debug.Log("spr "+ SprayRay.ToString());
// Debug.Log("combo" + ComboRay.ToString());
if (controller.GetAxis(Valve.VR.EVRButtonId.k_EButton_SteamVR_Trigger).x == 1.0f)
{
Debug.Log(
dist_cdI.ToString() + ' ' + angle_caI.ToString() + ' ' +
dist_hdI.ToString() + ' ' + angle_haI.ToString() + " " +
w1.ToString() + ' ' + w2.ToString()
);
Debug.Log(
controllerRay.direction.ToString("F3") +
viewRay.direction.ToString("F3") +
ComboRay.direction.ToString("F3"));
// if(angle_caI < 0.4)
// Debug.Log("Blah");
}
return(ComboRay);
}
