Redstone1024/CatlikeCoding-Unity
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Rigidbody

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This commit is contained in:
_Redstone_c_
2021-02-02 16:28:38 +08:00
parent 1c5bde3478
commit 8ce13c35a7
4 changed files with 429 additions and 46 deletions
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49
Assets/Scripts/MovingSphere.cs
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@ -7,14 +7,15 @@ public class MovingSphere : MonoBehaviour
[SerializeField, Range(0f, 100f)]
private float maxAcceleration = 10f;
private Rigidbody body;
[SerializeField, Range(0f, 1f)]
private float bounciness = 0.5f;
private Vector3 desiredVelocity;
[SerializeField]
private Rect allowedArea = new Rect(-5f, -5f, 10f, 10f);
private Vector3 velocity;
private void Awake()
{
body = GetComponent<Rigidbody>();
}
private void Update()
{
@ -22,37 +23,15 @@ public class MovingSphere : MonoBehaviour
playerInput.x = Input.GetAxis("Horizontal");
playerInput.y = Input.GetAxis("Vertical");
playerInput = Vector2.ClampMagnitude(playerInput, 1f);
var desiredVelocity = new Vector3(playerInput.x, 0f, playerInput.y) * maxSpeed;
desiredVelocity = new Vector3(playerInput.x, 0f, playerInput.y) * maxSpeed;
}
private void FixedUpdate()
{
var velocity = body.velocity;
float maxSpeedChange = maxAcceleration * Time.deltaTime;
velocity.x = Mathf.MoveTowards(velocity.x, desiredVelocity.x, maxSpeedChange);
velocity.z = Mathf.MoveTowards(velocity.z, desiredVelocity.z, maxSpeedChange);
var displacement = velocity * Time.deltaTime;
var newPosition = transform.localPosition + displacement;
if (newPosition.x < allowedArea.xMin)
{
newPosition.x = allowedArea.xMin;
velocity.x = -velocity.x * bounciness;
}
else if (newPosition.x > allowedArea.xMax)
{
newPosition.x = allowedArea.xMax;
velocity.x = -velocity.x * bounciness;
}
if (newPosition.z < allowedArea.yMin)
{
newPosition.z = allowedArea.yMin;
velocity.z = -velocity.z * bounciness;
}
else if (newPosition.z > allowedArea.yMax)
{
newPosition.z = allowedArea.yMax;
velocity.z = -velocity.z * bounciness;
}
if (!allowedArea.Contains(new Vector2(newPosition.x, newPosition.z)))
{
newPosition.x = Mathf.Clamp(newPosition.x, allowedArea.xMin, allowedArea.xMax);
newPosition.z = Mathf.Clamp(newPosition.z, allowedArea.yMin, allowedArea.yMax);
}
transform.localPosition = newPosition;
body.velocity = velocity;
}
}