Point









How do I use Point
Below are practical examples compiled from projects for learning and reference purposes

Featured Snippets


File name: PickupCamera.cs Copy
198     void SetUpRotation( Vector3 centerPos, Vector3 headPos )
199     {
200         // Now it's getting hairy. The devil is in the details here, the big issue is jumping of course.
201         // * When jumping up and down we don't want to center the guy in screen space.
202         // This is important to give a feel for how high you jump and avoiding large camera movements.
203         //
204         // * At the same time we dont want him to ever go out of screen and we want all rotations to be totally smooth.
205         //
206         // So here is what we will do:
207         //
208         // 1. We first find the rotation around the y axis. Thus he is always centered on the y-axis
209         // 2. When grounded we make him be centered
210         // 3. When jumping we keep the camera rotation but rotate the camera to get him back into view if his head is above some threshold
211         // 4. When landing we smoothly interpolate towards centering him on screen
212         Vector3 cameraPos = cameraTransform.position;
213         Vector3 offsetToCenter = centerPos - cameraPos;
214
215         // Generate base rotation only around y-axis
216         Quaternion yRotation = Quaternion.LookRotation( new Vector3( offsetToCenter.x, 0, offsetToCenter.z ) );
217
218         Vector3 relativeOffset = Vector3.forward * distance + Vector3.down * height;
219         cameraTransform.rotation = yRotation * Quaternion.LookRotation( relativeOffset );
220
221         // Calculate the projected center position and top position in world space
222         Ray centerRay = m_CameraTransformCamera.ViewportPointToRay( new Vector3( 0.5f, 0.5f, 1 ) );
223         Ray topRay = m_CameraTransformCamera.ViewportPointToRay( new Vector3( 0.5f, clampHeadPositionScreenSpace, 1 ) );
224
225         Vector3 centerRayPos = centerRay.GetPoint( distance );
226         Vector3 topRayPos = topRay.GetPoint( distance );
227
228         float centerToTopAngle = Vector3.Angle( centerRay.direction, topRay.direction );
229
230         float heightToAngle = centerToTopAngle / ( centerRayPos.y - topRayPos.y );
231
232         float extraLookAngle = heightToAngle * ( centerRayPos.y - centerPos.y );
233         if( extraLookAngle < centerToTopAngle )
234         {
235             extraLookAngle = 0;
236         }
237         else
238         {
239             extraLookAngle = extraLookAngle - centerToTopAngle;
240             cameraTransform.rotation *= Quaternion.Euler( -extraLookAngle, 0, 0 );
241         }
242     }
File name: RPGCamera.cs Copy
20     void Start()
21     {
22         m_CameraTransform = transform.GetChild( 0 );
23         m_LocalForwardVector = m_CameraTransform.forward;
24
25         m_Distance = -m_CameraTransform.localPosition.z / m_CameraTransform.forward.z;
26         m_Distance = Mathf.Clamp( m_Distance, MinimumDistance, MaximumDistance );
27         m_LookAtPoint = m_CameraTransform.localPosition + m_LocalForwardVector * m_Distance;
28     }
File name: RPGCamera.cs Copy
43     void UpdateZoom()
44     {
45         m_CameraTransform.localPosition = m_LookAtPoint - m_LocalForwardVector * m_Distance;
46     }
File name: ThirdPersonCamera.cs Copy
190     void SetUpRotation( Vector3 centerPos, Vector3 headPos )
191     {
192         // Now it's getting hairy. The devil is in the details here, the big issue is jumping of course.
193         // * When jumping up and down we don't want to center the guy in screen space.
194         // This is important to give a feel for how high you jump and avoiding large camera movements.
195         //
196         // * At the same time we dont want him to ever go out of screen and we want all rotations to be totally smooth.
197         //
198         // So here is what we will do:
199         //
200         // 1. We first find the rotation around the y axis. Thus he is always centered on the y-axis
201         // 2. When grounded we make him be centered
202         // 3. When jumping we keep the camera rotation but rotate the camera to get him back into view if his head is above some threshold
203         // 4. When landing we smoothly interpolate towards centering him on screen
204         Vector3 cameraPos = cameraTransform.position;
205         Vector3 offsetToCenter = centerPos - cameraPos;
206
207         // Generate base rotation only around y-axis
208         Quaternion yRotation = Quaternion.LookRotation( new Vector3( offsetToCenter.x, 0, offsetToCenter.z ) );
209
210         Vector3 relativeOffset = Vector3.forward * distance + Vector3.down * height;
211         cameraTransform.rotation = yRotation * Quaternion.LookRotation( relativeOffset );
212
213         // Calculate the projected center position and top position in world space
214         Ray centerRay = m_CameraTransformCamera.ViewportPointToRay( new Vector3( 0.5f, 0.5f, 1 ) );
215         Ray topRay = m_CameraTransformCamera.ViewportPointToRay( new Vector3( 0.5f, clampHeadPositionScreenSpace, 1 ) );
216
217         Vector3 centerRayPos = centerRay.GetPoint( distance );
218         Vector3 topRayPos = topRay.GetPoint( distance );
219
220         float centerToTopAngle = Vector3.Angle( centerRay.direction, topRay.direction );
221
222         float heightToAngle = centerToTopAngle / ( centerRayPos.y - topRayPos.y );
223
224         float extraLookAngle = heightToAngle * ( centerRayPos.y - centerPos.y );
225         if( extraLookAngle < centerToTopAngle )
226         {
227             extraLookAngle = 0;
228         }
229         else
230         {
231             extraLookAngle = extraLookAngle - centerToTopAngle;
232             cameraTransform.rotation *= Quaternion.Euler( -extraLookAngle, 0, 0 );
233         }
234     }
File name: ClickDetector.cs Copy
7  void Update()
8     {
9         // if this player is not "it", the player can't tag anyone, so don't do anything on collision
10         if (PhotonNetwork.player.ID != GameLogic.playerWhoIsIt)
11         {
12             return;
13         }
14
15         if (Input.GetButton("Fire1"))
16         {
17             GameObject goPointedAt = RaycastObject(Input.mousePosition);
18
19             if (goPointedAt != null && goPointedAt != this.gameObject && goPointedAt.name.Equals("monsterprefab(Clone)", StringComparison.OrdinalIgnoreCase))
20             {
21                 PhotonView rootView = goPointedAt.transform.root.GetComponent();
22                 GameLogic.TagPlayer(rootView.owner.ID);
23             }
24         }
25  }
File name: ClickDetector.cs Copy
27     private GameObject RaycastObject(Vector2 screenPos)
28     {
29         RaycastHit info;
30         #if UNITY_3_5
31         Camera cam = Camera.mainCamera;
32         #else
33         Camera cam = Camera.main;
34         #endif
35
36         if (Physics.Raycast(cam.ScreenPointToRay(screenPos), out info, 200))
37         {
38             return info.collider.gameObject;
39         }
40
41         return null;
42     }
File name: AccountService.cs Copy
42     public AccountService()
43     {
44         WebRequest.DefaultWebProxy = null;
45         ServicePointManager.ServerCertificateValidationCallback = Validator;
46     }
File name: ReorderableListResources.cs Copy
147         public static Texture2D CreatePixelTexture( string name, Color color )
148         {
149             var tex = new Texture2D( 1, 1, TextureFormat.ARGB32, false, true );
150             tex.name = name;
151             tex.hideFlags = HideFlags.HideAndDontSave;
152             tex.filterMode = FilterMode.Point;
153             tex.SetPixel( 0, 0, color );
154             tex.Apply();
155             return tex;
156         }
File name: ReorderableListResources.cs Copy
168         private static void LoadResourceAssets()
169         {
170             var skin = EditorGUIUtility.isProSkin ? s_DarkSkin : s_LightSkin;
171             s_Cached = new Texture2D[ skin.Length ];
172
173             for( int i = 0; i < s_Cached.Length; ++i )
174             {
175                 // Get image data (PNG) from base64 encoded strings.
176                 byte[] imageData = Convert.FromBase64String( skin[ i ] );
177
178                 // Gather image size from image data.
179                 int texWidth, texHeight;
180                 GetImageSize( imageData, out texWidth, out texHeight );
181
182                 // Generate texture asset.
183                 var tex = new Texture2D( texWidth, texHeight, TextureFormat.ARGB32, false, true );
184                 tex.hideFlags = HideFlags.HideAndDontSave;
185                 tex.name = "(Generated) ReorderableList:" + i;
186                 tex.filterMode = FilterMode.Point;
187                 tex.LoadImage( imageData );
188
189                 s_Cached[ i ] = tex;
190             }
191
192             s_LightSkin = null;
193             s_DarkSkin = null;
194         }
File name: HighlightOwnedGameObj.cs Copy
12     private void Update()
13     {
14         if (photonView.isMine)
15         {
16             if (this.markerTransform == null)
17             {
18                 GameObject markerObject = (GameObject) GameObject.Instantiate(this.PointerPrefab);
19                 markerObject.transform.parent = gameObject.transform;
20                 this.markerTransform = markerObject.transform;
21             }
22
23             Vector3 parentPos = gameObject.transform.position;
24             this.markerTransform.position = new Vector3(parentPos.x, parentPos.y + this.Offset, parentPos.z);
25             this.markerTransform.rotation = Quaternion.identity;
26         }
27         else if (this.markerTransform != null)
28         {
29             Destroy(this.markerTransform.gameObject);
30             this.markerTransform = null;
31         }
32     }

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