Cannot convert 'object' expression to 'float'

Question

error CS0236: A field initializer cannot reference the nonstatic field, method, or property randomGen.blockPos' error CS1502: The best overloaded method match for UnityEngine.Vector3.Vector3(float, float)' has some invalid arguments error CS1503: Argument #2' cannot convert object' expression to type `float'

The code: float blockPos = 6f; Vector3 placeBlockPos = new Vector3(0, blockPos);

Answer 1

Answer by RudyTheDev · Sep 22, 2015 at 09:03 PM

You can't use other variables for field values.

 public class X : MonoBehaviour
 {
     private float blockPos = 6f;
     //private Vector3 placeBlockPos = new Vector3(0, blockPos); -- NO
 
     private const float blockPosConst = 6f; // can't modify anywhere
     private Vector3 placeBlockPosConst = new Vector3(0, blockPosConst); // okay
 }

Basically, the value of blockPos is not yet known for sure when the value of placeBlockPos is being assigned and vice versa. Otherwise you could do stuff like:

 public class X : MonoBehaviour
 {
     private float a = b;
     private float b = a;
 }

Which is clearly invalid.

If you need to do this, do it in Start() or Awake()

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Cannot convert 'object' expression to 'float'

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