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I need to know the direction in which the camera is facing and move forward in that direction. Also I need to know to know the perpendicular horizontal and vertical directions with respect to the above direction. How to do that?
Also by default when I move my camera in only z-direction (starting from (0,0,0) and facing in z-direction), I create new instances of prefabs in a range at positions between some -x to +x and -y to +y, independent of each other. Now how will I determine where to create the instances depending on the new direction of camera?
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Facing direction of your player can be found by looking at the transform. rotation and as you seem to only be looking left and right you would use transform. rotation. y to check the y axis of your player (assuming the script is attached to your player).
If you want the player to face the same direction as the camera, you need to copy the Z rotation of the camera into the player controller. So, in your player, you have a reference to the camera, get the forward vector and split it so you access only the Z.
playerCamera = GameObject. Find("MainCamera"). GetComponent<Camera>(); }
I need to know the direction in which the camera is facing
Camera is simply a Component attached to a GameObject. It's orientated using the relative Transform.
Main Camera forward direction in world space can be accessed this way:
Camera.main.transform.forward;
The orthogonal basis vector right and up could be found in the same way:
Camera.main.transform.up;
Camera.main.transform.right;
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