SDK question(s) - Printable Version

Code:
public class VZAngleTracker

{

   public void AddAngle(float speed)

   {

      mSamples[mIndex++] = speed;

      mIndex = mIndex % kNumSamples;

   }



   public float GetPreviousAngle(int frames)

   {

      int index = mIndex - frames;

      while (index < 0)

         index += kNumSamples;



      return mSamples[index];

   }



   static int kNumSamples = 45;

   float[] mSamples = new float[kNumSamples];

   int mIndex = 0;

}





public VZCycle : VZPlayer

{

   VZAngleTracker mLookUpTracker = new VZAngleTracker();

   float mOriginalNeckHeight;

   float mOriginalMaxSpeed;

   bool mWheelie = false;

   float mWheelieStartSpeed = 0.0f;

   float mWheelieStartTime = 0.0f;



   void Start()

   {

      mOriginalNeckHeight = NeckHeight;

      mOriginalMaxSpeed = MaxSpeed;

   }



   void Update()

   {

      HandleWheelies();

   }



   void HandleWheelies()

   {

      Vector3 angles = Controller.Head.localEulerAngles;

      float headAngle = angles.x;

      if (headAngle < 180.0f)

         headAngle += 360.0f;



      mLookUpTracker.AddAngle(headAngle);



      const float kNeckVelocity = 0.5f;

      const float kWheelieNeckOffset = 0.3f;



      if (!mWheelie)

      {

         NeckHeight -= Time.deltaTime * kNeckVelocity;

         if (NeckHeight < mOriginalNeckHeight)

            NeckHeight = mOriginalNeckHeight;



         // Check if we accelerated and are going somewhat fast.

         float headDelta = headAngle - mLookUpTracker.GetPreviousAngle(10);

         float lookAngle = angles.y;



         if ((lookAngle > 345.0f || lookAngle < 20.0f) && 

             Speed() > mOriginalMaxSpeed - 3.0f && 

             headDelta < -15.0f &&

             headAngle < 355)

         {

            // Pop a wheelie

            mWheelie = true;

            mWheelieStartSpeed = Speed();

            mWheelieStartTime = Time.time;

         }

      }

      else

      {

         NeckHeight += Time.deltaTime * kNeckVelocity;

         if (NeckHeight > mOriginalNeckHeight + kWheelieNeckOffset)

            NeckHeight = mOriginalNeckHeight + kWheelieNeckOffset;



         // Update our wheelie start speed if we go above it. The bike is usually still accelerating when a wheelie starts, 

         // which makes it too easy to hold above mWheelieStartSpeed

         if (Speed() > mWheelieStartSpeed)

            mWheelieStartSpeed = Speed();



         // See if we have diverged from our original wheelie speed by too much or held on too long

         bool done = mWheelieStartSpeed - Speed() > 0.8f ||

                    Time.time - mWheelieStartTime > 8.0f ||

                    (headAngle - mLookUpTracker.GetPreviousSpeed(10) > 15.0f && headAngle > 370);



         if (done)

         {

            // No more wheelie

            mWheelie = false;

         }

      }

   }

}