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annotate Orchestland/Assets/LeapMotion/DemoResources/Scripts/FloatingStem.cs @ 1:f7675884f2a1

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Add Orchestland project
author Daiki OYAKAWA <e135764@ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2015 23:09:20 +0900
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1 /******************************************************************************\
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2 * Copyright (C) Leap Motion, Inc. 2011-2014. *
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3 * Leap Motion proprietary. Licensed under Apache 2.0 *
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4 * Available at http://www.apache.org/licenses/LICENSE-2.0.html *
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5 \******************************************************************************/
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7 using UnityEngine;
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8 using System.Collections;
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10 public class FloatingStem : MonoBehaviour {
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12 public float waterHeight = 0.0f;
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13 public float transitionWidth = 0.2f;
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14 public float waterForce = 0.1f;
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15 public float waterTorque = 0.002f;
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16 public float waterDrag = 5.0f;
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17 public float waterAngularDrag = 10.0f;
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19 public Vector3 waterCurrentVelocity;
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20 public float waterCurrentForce = 0.1f;
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22 private float air_drag_;
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23 private float air_angular_drag_;
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25 void Start() {
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26 air_drag_ = GetComponent<Rigidbody>().drag;
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27 air_angular_drag_ = GetComponent<Rigidbody>().angularDrag;
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28 }
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30 void FixedUpdate() {
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31 float distanceFromSurface = transform.position.y - waterHeight;
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32 if (distanceFromSurface >= 0) {
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33 GetComponent<Rigidbody>().drag = air_drag_;
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34 GetComponent<Rigidbody>().angularDrag = air_angular_drag_;
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35 return;
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36 }
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38 GetComponent<Rigidbody>().drag = waterDrag;
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39 GetComponent<Rigidbody>().angularDrag = waterAngularDrag;
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41 float transition = Mathf.Clamp(-distanceFromSurface / transitionWidth, 0, 1);
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42 GetComponent<Rigidbody>().AddForce(new Vector3(0, waterForce * transition, 0));
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43
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44 /*
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45 float dot = Vector3.Dot(transform.up, Vector3.up);
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46 Vector3 torque_vector = -dot * Vector3.Cross(transform.up, Vector3.up);
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47 rigidbody.AddTorque((1 - transition) * waterTorque * torque_vector);
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48 */
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49
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50 // Current.
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51 Vector3 delta_current = waterCurrentVelocity - GetComponent<Rigidbody>().velocity;
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52 delta_current.y = 0;
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53 GetComponent<Rigidbody>().AddForce(waterCurrentForce * delta_current);
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54 }
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55 }