CameraTransform

41     void OnEnable()
42     {
43         if( this.photonView != null && !this.photonView.isMine )
44         {
45             this.enabled = false;
46             return;
47         }
48
49         if( !cameraTransform && Camera.main )
50             cameraTransform = Camera.main.transform;
51         if( !cameraTransform )
52         {
53             Debug.Log( "Please assign a camera to the ThirdPersonCamera script." );
54             enabled = false;
55         }
56
57         m_CameraTransformCamera = cameraTransform.GetComponent();
58
59
60         _target = transform;
61         if( _target )
62         {
63             controller = _target.GetComponent();
64         }
65
66         if( controller )
67         {
68             CharacterController characterController = (CharacterController)_target.GetComponent();
69             centerOffset = characterController.bounds.center - _target.position;
70             headOffset = centerOffset;
71             headOffset.y = characterController.bounds.max.y - _target.position.y;
72         }
73         else
74             Debug.Log( "Please assign a target to the camera that has a ThirdPersonController script attached." );
75
76
77         Cut( _target, centerOffset );
78     }

94     void Apply( Transform dummyTarget, Vector3 dummyCenter )
95     {
96         // Early out if we don't have a target
97         if( !controller )
98             return;
99
100         Vector3 targetCenter = _target.position + centerOffset;
101         Vector3 targetHead = _target.position + headOffset;
102
103         // DebugDrawStuff();
104
105         // Calculate the current & target rotation angles
106         float originalTargetAngle = _target.eulerAngles.y;
107         float currentAngle = cameraTransform.eulerAngles.y;
108
109         // Adjust real target angle when camera is locked
110         float targetAngle = originalTargetAngle;
111
112         // When pressing Fire2 (alt) the camera will snap to the target direction real quick.
113         // It will stop snapping when it reaches the target
114         if( Input.GetButton( "Fire2" ) )
115             snap = true;
116
117         if( snap )
118         {
119             // We are close to the target, so we can stop snapping now!
120             if( AngleDistance( currentAngle, originalTargetAngle ) < 3.0f )
121                 snap = false;
122
123             currentAngle = Mathf.SmoothDampAngle( currentAngle, targetAngle, ref angleVelocity, snapSmoothLag, snapMaxSpeed );
124         }
125         // Normal camera motion
126         else
127         {
128             if( controller.GetLockCameraTimer() < lockCameraTimeout )
129             {
130                 targetAngle = currentAngle;
131             }
132
133             // Lock the camera when moving backwards!
134             // * It is really confusing to do 180 degree spins when turning around.
135             if( AngleDistance( currentAngle, targetAngle ) > 160 && controller.IsMovingBackwards() )
136                 targetAngle += 180;
137
138             currentAngle = Mathf.SmoothDampAngle( currentAngle, targetAngle, ref angleVelocity, angularSmoothLag, angularMaxSpeed );
139         }
140
141
142         // When jumping don't move camera upwards but only down!
143         if( controller.IsJumping() )
144         {
145             // We'd be moving the camera upwards, do that only if it's really high
146             float newTargetHeight = targetCenter.y + height;
147             if( newTargetHeight < targetHeight || newTargetHeight - targetHeight > 5 )
148                 targetHeight = targetCenter.y + height;
149         }
150         // When walking always update the target height
151         else
152         {
153             targetHeight = targetCenter.y + height;
154         }
155
156         // Damp the height
157         float currentHeight = cameraTransform.position.y;
158         currentHeight = Mathf.SmoothDamp( currentHeight, targetHeight, ref heightVelocity, heightSmoothLag );
159
160         // Convert the angle into a rotation, by which we then reposition the camera
161         Quaternion currentRotation = Quaternion.Euler( 0, currentAngle, 0 );
162
163         // Set the position of the camera on the x-z plane to:
164         // distance meters behind the target
165         cameraTransform.position = targetCenter;
166         cameraTransform.position += currentRotation * Vector3.back * distance;
167
168         // Set the height of the camera
169         cameraTransform.position = new Vector3( cameraTransform.position.x, currentHeight, cameraTransform.position.z );
170
171         // Always look at the target
172         SetUpRotation( targetCenter, targetHead );
173     }

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     }

308     void UpdateSmoothedMovementDirection()
309     {
310         Transform cameraTransform = Camera.main.transform;
311         bool grounded = IsGrounded();
312
313         // Forward vector relative to the camera along the x-z plane
314         Vector3 forward = cameraTransform.TransformDirection(Vector3.forward);
315         forward.y = 0;
316         forward = forward.normalized;
317
318         // Right vector relative to the camera
319         // Always orthogonal to the forward vector
320         Vector3 right = new Vector3(forward.z, 0, -forward.x);
321
322         float v = Input.GetAxisRaw("Vertical");
323         float h = Input.GetAxisRaw("Horizontal");
324
325         // Are we moving backwards or looking backwards
326         if (v < -0.2f)
327             movingBack = true;
328         else
329             movingBack = false;
330
331         bool wasMoving = isMoving;
332         isMoving = Mathf.Abs(h) > 0.1f || Mathf.Abs(v) > 0.1f;
333
334         // Target direction relative to the camera
335         Vector3 targetDirection = h * right + v * forward;
336         // Debug.Log("targetDirection " + targetDirection);
337
338         // Grounded controls
339         if (grounded)
340         {
341             // Lock camera for short period when transitioning moving & standing still
342             lockCameraTimer += Time.deltaTime;
343             if (isMoving != wasMoving)
344                 lockCameraTimer = 0.0f;
345
346             // We store speed and direction seperately,
347             // so that when the character stands still we still have a valid forward direction
348             // moveDirection is always normalized, and we only update it if there is user input.
349             if (targetDirection != Vector3.zero)
350             {
351                 // If we are really slow, just snap to the target direction
352                 if (moveSpeed < walkSpeed * 0.9f && grounded)
353                 {
354                     moveDirection = targetDirection.normalized;
355                 }
356                 // Otherwise smoothly turn towards it
357                 else
358                 {
359                     moveDirection = Vector3.RotateTowards(moveDirection, targetDirection, rotateSpeed * Mathf.Deg2Rad * Time.deltaTime, 1000);
360
361                     moveDirection = moveDirection.normalized;
362                 }
363             }
364
365             // Smooth the speed based on the current target direction
366             float curSmooth = speedSmoothing * Time.deltaTime;
367
368             // Choose target speed
369             //* We want to support analog input but make sure you cant walk faster diagonally than just forward or sideways
370             float targetSpeed = Mathf.Min(targetDirection.magnitude, 1.0f);
371
372             _characterState = PickupCharacterState.Idle;
373
374             // Pick speed modifier
375             if ((Input.GetKey(KeyCode.LeftShift) | Input.GetKey(KeyCode.RightShift)) && isMoving)
376             {
377                 targetSpeed *= runSpeed;
378                 _characterState = PickupCharacterState.Running;
379             }
380             else if (Time.time - trotAfterSeconds > walkTimeStart)
381             {
382                 targetSpeed *= trotSpeed;
383                 _characterState = PickupCharacterState.Trotting;
384             }
385             else if (isMoving)
386             {
387                 targetSpeed *= walkSpeed;
388                 _characterState = PickupCharacterState.Walking;
389             }
390
391             moveSpeed = Mathf.Lerp(moveSpeed, targetSpeed, curSmooth);
392
393             // Reset walk time start when we slow down
394             if (moveSpeed < walkSpeed * 0.3f)
395                 walkTimeStart = Time.time;
396         }
397         // In air controls
398         else
399         {
400             // Lock camera while in air
401             if (jumping)
402                 lockCameraTimer = 0.0f;
403
404             if (isMoving)
405                 inAirVelocity += targetDirection.normalized * Time.deltaTime * inAirControlAcceleration;
406         }
407     }

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     }

43     void UpdateZoom()
44     {
45         m_CameraTransform.localPosition = m_LookAtPoint - m_LocalForwardVector * m_Distance;
46     }

40     void OnEnable()
41     {
42         if( !cameraTransform && Camera.main )
43             cameraTransform = Camera.main.transform;
44         if( !cameraTransform )
45         {
46             Debug.Log( "Please assign a camera to the ThirdPersonCamera script." );
47             enabled = false;
48         }
49
50         m_CameraTransformCamera = cameraTransform.GetComponent();
51
52         _target = transform;
53         if( _target )
54         {
55             controller = _target.GetComponent();
56         }
57
58         if( controller )
59         {
60             CharacterController characterController = (CharacterController)_target.GetComponent();
61             centerOffset = characterController.bounds.center - _target.position;
62             headOffset = centerOffset;
63             headOffset.y = characterController.bounds.max.y - _target.position.y;
64         }
65         else
66             Debug.Log( "Please assign a target to the camera that has a ThirdPersonController script attached." );
67
68
69         Cut( _target, centerOffset );
70     }

86     void Apply( Transform dummyTarget, Vector3 dummyCenter )
87     {
88         // Early out if we don't have a target
89         if( !controller )
90             return;
91
92         Vector3 targetCenter = _target.position + centerOffset;
93         Vector3 targetHead = _target.position + headOffset;
94
95         // DebugDrawStuff();
96
97         // Calculate the current & target rotation angles
98         float originalTargetAngle = _target.eulerAngles.y;
99         float currentAngle = cameraTransform.eulerAngles.y;
100
101         // Adjust real target angle when camera is locked
102         float targetAngle = originalTargetAngle;
103
104         // When pressing Fire2 (alt) the camera will snap to the target direction real quick.
105         // It will stop snapping when it reaches the target
106         if( Input.GetButton( "Fire2" ) )
107             snap = true;
108
109         if( snap )
110         {
111             // We are close to the target, so we can stop snapping now!
112             if( AngleDistance( currentAngle, originalTargetAngle ) < 3.0f )
113                 snap = false;
114
115             currentAngle = Mathf.SmoothDampAngle( currentAngle, targetAngle, ref angleVelocity, snapSmoothLag, snapMaxSpeed );
116         }
117         // Normal camera motion
118         else
119         {
120             if( controller.GetLockCameraTimer() < lockCameraTimeout )
121             {
122                 targetAngle = currentAngle;
123             }
124
125             // Lock the camera when moving backwards!
126             // * It is really confusing to do 180 degree spins when turning around.
127             if( AngleDistance( currentAngle, targetAngle ) > 160 && controller.IsMovingBackwards() )
128                 targetAngle += 180;
129
130             currentAngle = Mathf.SmoothDampAngle( currentAngle, targetAngle, ref angleVelocity, angularSmoothLag, angularMaxSpeed );
131         }
132
133
134         // When jumping don't move camera upwards but only down!
135         if( controller.IsJumping() )
136         {
137             // We'd be moving the camera upwards, do that only if it's really high
138             float newTargetHeight = targetCenter.y + height;
139             if( newTargetHeight < targetHeight || newTargetHeight - targetHeight > 5 )
140                 targetHeight = targetCenter.y + height;
141         }
142         // When walking always update the target height
143         else
144         {
145             targetHeight = targetCenter.y + height;
146         }
147
148         // Damp the height
149         float currentHeight = cameraTransform.position.y;
150         currentHeight = Mathf.SmoothDamp( currentHeight, targetHeight, ref heightVelocity, heightSmoothLag );
151
152         // Convert the angle into a rotation, by which we then reposition the camera
153         Quaternion currentRotation = Quaternion.Euler( 0, currentAngle, 0 );
154
155         // Set the position of the camera on the x-z plane to:
156         // distance meters behind the target
157         cameraTransform.position = targetCenter;
158         cameraTransform.position += currentRotation * Vector3.back * distance;
159
160         // Set the height of the camera
161         cameraTransform.position = new Vector3( cameraTransform.position.x, currentHeight, cameraTransform.position.z );
162
163         // Always look at the target
164         SetUpRotation( targetCenter, targetHead );
165     }

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     }

131     void UpdateSmoothedMovementDirection()
132     {
133         Transform cameraTransform = Camera.main.transform;
134         bool grounded = IsGrounded();
135
136         // Forward vector relative to the camera along the x-z plane
137         Vector3 forward = cameraTransform.TransformDirection(Vector3.forward);
138         forward.y = 0;
139         forward = forward.normalized;
140
141         // Right vector relative to the camera
142         // Always orthogonal to the forward vector
143         Vector3 right = new Vector3(forward.z, 0, -forward.x);
144
145         float v = Input.GetAxisRaw("Vertical");
146         float h = Input.GetAxisRaw("Horizontal");
147
148         // Are we moving backwards or looking backwards
149         if (v < -0.2f)
150             movingBack = true;
151         else
152             movingBack = false;
153
154         bool wasMoving = isMoving;
155         isMoving = Mathf.Abs(h) > 0.1f || Mathf.Abs(v) > 0.1f;
156
157         // Target direction relative to the camera
158         Vector3 targetDirection = h * right + v * forward;
159
160         // Grounded controls
161         if (grounded)
162         {
163             // Lock camera for short period when transitioning moving & standing still
164             lockCameraTimer += Time.deltaTime;
165             if (isMoving != wasMoving)
166                 lockCameraTimer = 0.0f;
167
168             // We store speed and direction seperately,
169             // so that when the character stands still we still have a valid forward direction
170             // moveDirection is always normalized, and we only update it if there is user input.
171             if (targetDirection != Vector3.zero)
172             {
173                 // If we are really slow, just snap to the target direction
174                 if (moveSpeed < walkSpeed * 0.9f && grounded)
175                 {
176                     moveDirection = targetDirection.normalized;
177                 }
178                 // Otherwise smoothly turn towards it
179                 else
180                 {
181                     moveDirection = Vector3.RotateTowards(moveDirection, targetDirection, rotateSpeed * Mathf.Deg2Rad * Time.deltaTime, 1000);
182
183                     moveDirection = moveDirection.normalized;
184                 }
185             }
186
187             // Smooth the speed based on the current target direction
188             float curSmooth = speedSmoothing * Time.deltaTime;
189
190             // Choose target speed
191             //* We want to support analog input but make sure you cant walk faster diagonally than just forward or sideways
192             float targetSpeed = Mathf.Min(targetDirection.magnitude, 1.0f);
193
194             _characterState = CharacterState.Idle;
195
196             // Pick speed modifier
197             if (Input.GetKey(KeyCode.LeftShift) | Input.GetKey(KeyCode.RightShift))
198             {
199                 targetSpeed *= runSpeed;
200                 _characterState = CharacterState.Running;
201             }
202             else if (Time.time - trotAfterSeconds > walkTimeStart)
203             {
204                 targetSpeed *= trotSpeed;
205                 _characterState = CharacterState.Trotting;
206             }
207             else
208             {
209                 targetSpeed *= walkSpeed;
210                 _characterState = CharacterState.Walking;
211             }
212
213             moveSpeed = Mathf.Lerp(moveSpeed, targetSpeed, curSmooth);
214
215             // Reset walk time start when we slow down
216             if (moveSpeed < walkSpeed * 0.3f)
217                 walkTimeStart = Time.time;
218         }
219         // In air controls
220         else
221         {
222             // Lock camera while in air
223             if (jumping)
224                 lockCameraTimer = 0.0f;
225
226             if (isMoving)
227                 inAirVelocity += targetDirection.normalized * Time.deltaTime * inAirControlAcceleration;
228         }
229
230
231
232     }