第一个文件，声明枚举类型，分别为均匀变化和加速变化
| 1 2 3 4 5 6 7 8 | using UnityEngine; using System.Collections; public enum CTRotationType { Uniform, AccelerateUniformly } |
第二个文件：主函数，实现围绕轴变化的两个函数，分别为均匀变化和加速变化
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 | using UnityEngine; using System.Collections; public class CTRotation : MonoBehaviour { // Use this for initialization void Start () { } // Update is called once per frame void Update () { if (isRotating) { executeRotate(); } } bool isRotating = false; Quaternion definedRotation = new Quaternion(0, 0, 0,0); Vector3 rotateVector = new Vector3(1,0,0); float rotateVelocity = 0; float accelerateDuration = 0; float leftDuration = 0; float rotateDuration = 0; int rotateAxis = 0; float angleRange = 0; float deltaRotate = 0;//0; // acceleration when it is in the accelerating process. float rotateAcceleration = 0; CTRotationType rotateType; //int RotateType = 0; private void initRotateArgument( float _initAngleRange, int _initRotateAxis, float _initRotateDuration) { rotateAxis = _initRotateAxis; rotateDuration = _initRotateDuration; leftDuration = _initRotateDuration; angleRange = _initAngleRange; rotateType = CTRotationType.Uniform; } public void RotateTo(float _angleRange, int _axis, float _duration) { print( "in the rotateto" ); isRotating = false ; rotateType = CTRotationType.Uniform; //RotateType = 0; initRotateArgument(_angleRange, _axis, _duration); switch (rotateAxis) { case 0: //rotate around X axis { rotateVector = Vector3.right; break ; } case 1://rotate around Y axis { rotateVector = Vector3.up; break ; } case 2://rotate around Z axis { rotateVector = Vector3.forward; break ; } default : break ; } deltaRotate = angleRange/rotateDuration; isRotating = true ; } public void RotateTo(float _angleRange, int _axis, float _duration, float _accelerateDuration) { isRotating = false ; rotateType = CTRotationType.AccelerateUniformly; //RotateType = 1; rotateAcceleration = 1/((rotateDuration - accelerateDuration)*accelerateDuration); initRotateArgument(_angleRange, _axis, _duration); switch (rotateAxis) { case 0: //rotate around X axis { rotateVector = Vector3.right; break ; } case 1://rotate around Y axis { rotateVector = Vector3.up; break ; } case 2://rotate around Z axis { rotateVector = Vector3.forward; break ; } default : break ; } accelerateDuration = _accelerateDuration; // deltaRotate = angleRange/(_duration - _accelerateDuration*2); isRotating = true ; } void executeRotate() { switch (rotateType) { //case 0://CTMoveType.Uniform: case CTRotationType.Uniform: uniformRotate(); break ; //case 1://CTMoveType.AccelerateUniformly: case CTRotationType.AccelerateUniformly: accelerateRotate(); break ; } leftDuration -= Time.deltaTime; /* if (leftDuration <= 0) { transform.position = targetPosition; isMoving = false; }*/ } private void accelerateRotate() { print(leftDuration); if (leftDuration > (rotateDuration - accelerateDuration)) { rotateVelocity = ( float )((angleRange*(rotateDuration - leftDuration))*rotateAcceleration); // transform.Rotate(rotateVelocity * Time.deltaTime*rotateVector, Space.World); transform.Rotate(rotateVelocity * rotateVector*Time.deltaTime, Space.World); } else if (leftDuration > accelerateDuration) { rotateVelocity = ( float )((angleRange*accelerateDuration)*rotateAcceleration); transform.Rotate(rotateVelocity*rotateVector*Time.deltaTime, Space.World); } else if (leftDuration > 0) { rotateVelocity= ( float )((angleRange*leftDuration)*rotateAcceleration); transform.Rotate(rotateVelocity*rotateVector*Time.deltaTime, Space.World); } else isRotating = false ; } private void uniformRotate() { print(leftDuration); //if(leftDuration) if (leftDuration > 0) { transform.Rotate(rotateVector*deltaRotate*Time.deltaTime, Space.World); //transform.Rotate(rotateVector * Time.deltaTime*deltaRotate, Space.World); } else isRotating = false ; } } |
第三个文件，测试脚本
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | using UnityEngine; using System.Collections; public class TestRotationScript : MonoBehaviour { // Use this for initialization void Start () { } // Update is called once per frame void Update () { } void OnGUI () { CTRotation ttscript; CTChangeAlpha colorScript; GameObject testObject = GameObject.Find( "TestCube" ); //Component testObjectScript = testObject.GetComponent("CRotation"); ttscript = (CTRotation)testObject.GetComponent( "CTRotation" ); colorScript = (CTChangeAlpha)testObject.GetComponent( "CTChangeAlpha" ); if (GUI.Button (new Rect (20,40,80,20), "UniRotate")) { ttscript.RotateTo(3600f, 2, 2f); } if (GUI.Button( new Rect(20,60,80,20),"AccRotate")){ ttscript.RotateTo(3600f, 2, 2f, 0.5f); } if (GUI.Button( new Rect(20,80,80,20),"Color")){ colorScript.ColorTo(2,5.0f); } } } |
其中：第一个和第二脚本赋给目标物体；第三个脚本赋给任何一个物体作为测试物体使用
代码目的是方便外部调用和函数重用；注意isRotating参数的使用