/// <summary>
/// Update the cursor based on how long the back button is pressed
/// </summary>
void UpdateCursor(float timerRotateRatio)
{
if (InstantiatedCursorTimer != null)
{
InstantiatedCursorTimer.renderer.enabled = true;
// Clamp the rotation ratio to avoid rendering artifacts
float alphaAmount = Mathf.Clamp(1.0f - timerRotateRatio, 0.0f, 1.0f);
CursorTimerMaterial.SetFloat("_Cutoff", alphaAmount);
// Draw timer at fixed distance in front of camera
Vector3 cameraPosition = Vector3.zero;
Vector3 cameraForward = Vector3.forward;
if (cameraController.GetCameraForward(ref cameraForward) &&
cameraController.GetCameraPosition(ref cameraPosition))
{
// cursor positions itself based on camera forward and draws at a fixed depth
InstantiatedCursorTimer.transform.position = cameraPosition + (cameraForward * fixedDepth);
InstantiatedCursorTimer.transform.forward = cameraForward;
}
}
}
