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Unity3d top-down camera control

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0

I have a top-down game in Unity3D where a player can control a car. For now a camera keeps the car in the middle of the screen and rotates to the direction the car is pointing to.

That is how I did it:

public class CameraFollowController : MonoBehaviour

 private void FixedUpdate()
 
 transform.rotation = Quaternion.Euler(90, car.rotation.eulerAngles.y + 90, 90);
 transform.position = new Vector3(car.position.x, cameraHeight, car.position.z);
 

 public Transform car;
 public float cameraHeight = 10;

I want to shift the camera position, so the car is always on the bottom of the screen:

How to do that ?

c# unity3d rotation

share|improve this question

asked Mar 8 at 2:04

koryakinpkoryakinp

1,76121140

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Please attempt to solve your problem before posting here
  
  – Savaria
  Mar 8 at 2:14
  

  
  
  
  

add a comment | 

0

I have a top-down game in Unity3D where a player can control a car. For now a camera keeps the car in the middle of the screen and rotates to the direction the car is pointing to.

That is how I did it:

public class CameraFollowController : MonoBehaviour

 private void FixedUpdate()
 
 transform.rotation = Quaternion.Euler(90, car.rotation.eulerAngles.y + 90, 90);
 transform.position = new Vector3(car.position.x, cameraHeight, car.position.z);
 

 public Transform car;
 public float cameraHeight = 10;

I want to shift the camera position, so the car is always on the bottom of the screen:

How to do that ?

c# unity3d rotation

share|improve this question

asked Mar 8 at 2:04

koryakinpkoryakinp

1,76121140

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Please attempt to solve your problem before posting here
  
  – Savaria
  Mar 8 at 2:14
  

  
  
  
  

add a comment | 

I have a top-down game in Unity3D where a player can control a car. For now a camera keeps the car in the middle of the screen and rotates to the direction the car is pointing to.

That is how I did it:

public class CameraFollowController : MonoBehaviour

 private void FixedUpdate()
 
 transform.rotation = Quaternion.Euler(90, car.rotation.eulerAngles.y + 90, 90);
 transform.position = new Vector3(car.position.x, cameraHeight, car.position.z);
 

 public Transform car;
 public float cameraHeight = 10;

I want to shift the camera position, so the car is always on the bottom of the screen:

How to do that ?

c# unity3d rotation

share|improve this question

asked Mar 8 at 2:04

koryakinpkoryakinp

1,76121140

public class CameraFollowController : MonoBehaviour

 private void FixedUpdate()
 
 transform.rotation = Quaternion.Euler(90, car.rotation.eulerAngles.y + 90, 90);
 transform.position = new Vector3(car.position.x, cameraHeight, car.position.z);
 

 public Transform car;
 public float cameraHeight = 10;

share|improve this question

asked Mar 8 at 2:04

koryakinpkoryakinp

1,76121140

share|improve this question

asked Mar 8 at 2:04

koryakinpkoryakinp

1,76121140

asked Mar 8 at 2:04

koryakinpkoryakinp

1,76121140

asked Mar 8 at 2:04

koryakinpkoryakinp

1,76121140

2 Answers
2

active

oldest

votes

2

If the car is moving on the x/y axis you can use transform.forward to get the direction the car is facing, then adjust it.

public float distance; // How much you want to offset

// Get the direction of the car
Vector3 dir = car.transform.forward;

// Offset the position
transform.position += -dir * distance;

share|improve this answer

answered Mar 8 at 2:18

SavariaSavaria

375210

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you very much, @Savaria! That is exactly what I need!
  
  – koryakinp
  Mar 8 at 2:23
  
  

  
  
  
  

add a comment | 

0

It looks like you're trying to offset the position of the camera on the Z-axis.

What you need to do is find out what the position offset is for the car to exist at the bottom of the screen and apply it as the Z-axis offset in your FixedUpdate() loop.

transform.position = new Vector3(car.position.x, cameraHeight, car.position.z *-/+* zCamOffset);

A fairly simple and rough way to figure out that offset is to, in play mode, move the car GameObject so that it sits at the location along the bottom of the game window. Then use the value in the Z-axis of the transform component for the car GameObject as the rough offset.

Best of luck!

share|improve this answer

answered Mar 8 at 2:13

EissaEissa

672517

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you sir, I appreciate for the suggestion and I have tried that, but it does not do what I need. That solution does not keep the car at the bottom of the screen.
  
  – koryakinp
  Mar 8 at 2:19
  

  
  
  
  

add a comment | 

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2

If the car is moving on the x/y axis you can use transform.forward to get the direction the car is facing, then adjust it.

public float distance; // How much you want to offset

// Get the direction of the car
Vector3 dir = car.transform.forward;

// Offset the position
transform.position += -dir * distance;

share|improve this answer

answered Mar 8 at 2:18

SavariaSavaria

375210

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you very much, @Savaria! That is exactly what I need!
  
  – koryakinp
  Mar 8 at 2:23
  
  

  
  
  
  

add a comment | 

2

If the car is moving on the x/y axis you can use transform.forward to get the direction the car is facing, then adjust it.

public float distance; // How much you want to offset

// Get the direction of the car
Vector3 dir = car.transform.forward;

// Offset the position
transform.position += -dir * distance;

share|improve this answer

answered Mar 8 at 2:18

SavariaSavaria

375210

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you very much, @Savaria! That is exactly what I need!
  
  – koryakinp
  Mar 8 at 2:23
  
  

  
  
  
  

add a comment | 

If the car is moving on the x/y axis you can use transform.forward to get the direction the car is facing, then adjust it.

public float distance; // How much you want to offset

// Get the direction of the car
Vector3 dir = car.transform.forward;

// Offset the position
transform.position += -dir * distance;

share|improve this answer

answered Mar 8 at 2:18

SavariaSavaria

375210

public float distance; // How much you want to offset

// Get the direction of the car
Vector3 dir = car.transform.forward;

// Offset the position
transform.position += -dir * distance;

share|improve this answer

answered Mar 8 at 2:18

SavariaSavaria

375210

answered Mar 8 at 2:18

SavariaSavaria

375210

answered Mar 8 at 2:18

SavariaSavaria

375210

0

It looks like you're trying to offset the position of the camera on the Z-axis.

What you need to do is find out what the position offset is for the car to exist at the bottom of the screen and apply it as the Z-axis offset in your FixedUpdate() loop.

transform.position = new Vector3(car.position.x, cameraHeight, car.position.z *-/+* zCamOffset);

A fairly simple and rough way to figure out that offset is to, in play mode, move the car GameObject so that it sits at the location along the bottom of the game window. Then use the value in the Z-axis of the transform component for the car GameObject as the rough offset.

Best of luck!

share|improve this answer

answered Mar 8 at 2:13

EissaEissa

672517

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you sir, I appreciate for the suggestion and I have tried that, but it does not do what I need. That solution does not keep the car at the bottom of the screen.
  
  – koryakinp
  Mar 8 at 2:19
  

  
  
  
  

add a comment | 

0

It looks like you're trying to offset the position of the camera on the Z-axis.

What you need to do is find out what the position offset is for the car to exist at the bottom of the screen and apply it as the Z-axis offset in your FixedUpdate() loop.

transform.position = new Vector3(car.position.x, cameraHeight, car.position.z *-/+* zCamOffset);

A fairly simple and rough way to figure out that offset is to, in play mode, move the car GameObject so that it sits at the location along the bottom of the game window. Then use the value in the Z-axis of the transform component for the car GameObject as the rough offset.

Best of luck!

share|improve this answer

answered Mar 8 at 2:13

EissaEissa

672517

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you sir, I appreciate for the suggestion and I have tried that, but it does not do what I need. That solution does not keep the car at the bottom of the screen.
  
  – koryakinp
  Mar 8 at 2:19
  

  
  
  
  

add a comment | 

It looks like you're trying to offset the position of the camera on the Z-axis.

What you need to do is find out what the position offset is for the car to exist at the bottom of the screen and apply it as the Z-axis offset in your FixedUpdate() loop.

transform.position = new Vector3(car.position.x, cameraHeight, car.position.z *-/+* zCamOffset);

A fairly simple and rough way to figure out that offset is to, in play mode, move the car GameObject so that it sits at the location along the bottom of the game window. Then use the value in the Z-axis of the transform component for the car GameObject as the rough offset.

Best of luck!

share|improve this answer

answered Mar 8 at 2:13

EissaEissa

672517

share|improve this answer

answered Mar 8 at 2:13

EissaEissa

672517

answered Mar 8 at 2:13

EissaEissa

672517

answered Mar 8 at 2:13

EissaEissa

672517