Can't find a way to make object rotate and move at the same time.
Hi, I'm fairly new to Unity and I'm having some troubles with my first project. Basically, I have a block that slides in the z axis whenever I press the Left/Right arrows or A/D keys. I also want to be able to rotate it by it's x axis by pressing either the Q/E keys.
The only problem I'm facing is that it either moves or rotates, and I want it to be able to do both at the same time.
Here's a quick video of the project: https://i.gyazo.com/cc3d61b6b357d85eaf1c6d3ee5384411.mp4
And here's my object's movement script:
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class BlockMovement : MonoBehaviour {
public GameObject cube;
public float speed;
public float rotationSpeed;
public float minRotation = -45f;
public float maxRotation = 45f;
void Update () {
Vector3 moveTo = new Vector3(0f, 0f, Input.GetAxis("Horizontal") * speed * Time.deltaTime);
cube.GetComponent<Rigidbody>().MovePosition(cube.GetComponent<Transform>().position + moveTo);
if (Input.GetKey(KeyCode.Q)) {
cube.GetComponent<Transform>().Rotate(Vector3.right * rotationSpeed * Time.deltaTime);
} else if (Input.GetKey(KeyCode.E)) {
cube.GetComponent<Transform>().Rotate(-Vector3.right * rotationSpeed * Time.deltaTime);
}
}
}
Is the Rigidbody on the cube set to kinematic? If not then you should use forces within FixedUpdate to move it.
Answer by Pengocat · Feb 09, 2017 at 12:32 AM
Note that you don't need to get the Transform of a gameobject since every gameobject has a transform component by default.
Since your cube has a kinematic Rigidbody you also don't need to move it with the Rigidbody Component. You can simply use the normal Transform
.
using UnityEngine;
public class BlockMovement : MonoBehaviour
{
public GameObject cube;
public float speed = 50f;
public float rotationSpeed = 50f;
public float minRotation = -45f;
public float maxRotation = 45f;
void Update()
{
float deltaTime = Time.deltaTime;
float horizontalInput = Input.GetAxis("Horizontal");
if (horizontalInput != 0f)
{
float deltaMovement = horizontalInput * speed * deltaTime;
cube.transform.Translate(new Vector3(0f, 0f, deltaMovement));
}
bool isTurningLeft = Input.GetKey(KeyCode.Q);
bool isTurningRight = Input.GetKey(KeyCode.E);
if (isTurningLeft && !isTurningRight)
{
cube.transform.Rotate(Vector3.left * rotationSpeed * deltaTime);
}
else if (!isTurningLeft && isTurningRight)
{
cube.transform.Rotate(Vector3.right * rotationSpeed * deltaTime);
}
}
}
That worked flawlessly! Thanks a lot! :)
Ps.: I just had to add "Space.World" at the end of both Translate and Rotate functions to ensure that they were using the world's axis ins$$anonymous$$d of the gameObject's one.
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