using UnityEngine;
using UnityEngine.EventSystems;
public class editSteer : MonoBehaviour,IPointerDownHandler,IDragHandler,IPointerUpHandler {
//use for find the image center point
RectTransform rect;
Vector2 centerPoint;
//ends here
//to find whether the wheel is held or not
bool wheelBeingHeld = false;
private float wheelPrevAngle = 0f;
private float wheelAngle = 0f;
//ends here
float maximumSteeringAngle = 200f;
float wheelReleasedSpeed = 250f;
private void Start () {
rect = GetComponent<RectTransform>();
getcenterPoint();
}
private void Update ()
{
if (!wheelBeingHeld && !Mathf.Approximately(0f, wheelAngle))
{
float deltaAngle = wheelReleasedSpeed * Time.deltaTime;
if (Mathf.Abs(deltaAngle) > Mathf.Abs(wheelAngle))
wheelAngle = 0f;
else if (wheelAngle > 0f)
wheelAngle -= deltaAngle;
else
wheelAngle += deltaAngle;
}
// Rotate the wheel image
rect.localEulerAngles =new Vector3(0,0,-1) * wheelAngle;
}
// to calculate the center of the image
private void getcenterPoint()
{ //to get the position of the corners of the image in the world
Vector3[] corners = new Vector3[4];
rect.GetWorldCorners(corners);
// end here
for (int i = 0; i < 4; i++)
{
corners[i] = RectTransformUtility.WorldToScreenPoint(null, corners[i]);
}
Vector3 bottomLeft = corners[0];
Vector3 topRight = corners[2];
float width = topRight.x - bottomLeft.x;
float height = topRight.y - bottomLeft.y;
Rect _rect = new Rect(bottomLeft.x, topRight.y, width, height);
centerPoint = new Vector2(_rect.x + _rect.width * 0.5f, _rect.y - _rect.height * 0.5f);
}
//end here and we get overselves the centerpoint of the rect image which is stored in the centerPoint
//for the events
//IpointerDownHandler , IDragHandler , IPointerUpHandler
public void OnPointerDown(PointerEventData eventData)
{
Vector2 pointerPos = ((PointerEventData)eventData).position;
wheelBeingHeld = true;
wheelPrevAngle = Vector2.Angle(Vector2.up, pointerPos - centerPoint);
}
public void OnDrag(PointerEventData eventData)
{
Vector2 pointerPos = ((PointerEventData)eventData).position;
float wheelNewAngle = Vector2.Angle(Vector2.up, pointerPos - centerPoint);
// Do nothing if the pointer is too close to the center of the wheel
if (Vector2.Distance(pointerPos, centerPoint) > 20f)
{
if (pointerPos.x > centerPoint.x)
wheelAngle += wheelNewAngle - wheelPrevAngle;
else
wheelAngle -= wheelNewAngle - wheelPrevAngle;
}
// Make sure wheel angle never exceeds maximumSteeringAngle
wheelAngle = Mathf.Clamp(wheelAngle, -maximumSteeringAngle, maximumSteeringAngle);
wheelPrevAngle = wheelNewAngle;
}
public void OnPointerUp(PointerEventData eventData)
{
OnDrag(eventData);
wheelBeingHeld = false;
}
//end of the eventHandlers here
}
using UnityEngine.EventSystems;
public class editSteer : MonoBehaviour,IPointerDownHandler,IDragHandler,IPointerUpHandler {
//use for find the image center point
RectTransform rect;
Vector2 centerPoint;
//ends here
//to find whether the wheel is held or not
bool wheelBeingHeld = false;
private float wheelPrevAngle = 0f;
private float wheelAngle = 0f;
//ends here
float maximumSteeringAngle = 200f;
float wheelReleasedSpeed = 250f;
private void Start () {
rect = GetComponent<RectTransform>();
getcenterPoint();
}
private void Update ()
{
if (!wheelBeingHeld && !Mathf.Approximately(0f, wheelAngle))
{
float deltaAngle = wheelReleasedSpeed * Time.deltaTime;
if (Mathf.Abs(deltaAngle) > Mathf.Abs(wheelAngle))
wheelAngle = 0f;
else if (wheelAngle > 0f)
wheelAngle -= deltaAngle;
else
wheelAngle += deltaAngle;
}
// Rotate the wheel image
rect.localEulerAngles =new Vector3(0,0,-1) * wheelAngle;
}
// to calculate the center of the image
private void getcenterPoint()
{ //to get the position of the corners of the image in the world
Vector3[] corners = new Vector3[4];
rect.GetWorldCorners(corners);
// end here
for (int i = 0; i < 4; i++)
{
corners[i] = RectTransformUtility.WorldToScreenPoint(null, corners[i]);
}
Vector3 bottomLeft = corners[0];
Vector3 topRight = corners[2];
float width = topRight.x - bottomLeft.x;
float height = topRight.y - bottomLeft.y;
Rect _rect = new Rect(bottomLeft.x, topRight.y, width, height);
centerPoint = new Vector2(_rect.x + _rect.width * 0.5f, _rect.y - _rect.height * 0.5f);
}
//end here and we get overselves the centerpoint of the rect image which is stored in the centerPoint
//for the events
//IpointerDownHandler , IDragHandler , IPointerUpHandler
public void OnPointerDown(PointerEventData eventData)
{
Vector2 pointerPos = ((PointerEventData)eventData).position;
wheelBeingHeld = true;
wheelPrevAngle = Vector2.Angle(Vector2.up, pointerPos - centerPoint);
}
public void OnDrag(PointerEventData eventData)
{
Vector2 pointerPos = ((PointerEventData)eventData).position;
float wheelNewAngle = Vector2.Angle(Vector2.up, pointerPos - centerPoint);
// Do nothing if the pointer is too close to the center of the wheel
if (Vector2.Distance(pointerPos, centerPoint) > 20f)
{
if (pointerPos.x > centerPoint.x)
wheelAngle += wheelNewAngle - wheelPrevAngle;
else
wheelAngle -= wheelNewAngle - wheelPrevAngle;
}
// Make sure wheel angle never exceeds maximumSteeringAngle
wheelAngle = Mathf.Clamp(wheelAngle, -maximumSteeringAngle, maximumSteeringAngle);
wheelPrevAngle = wheelNewAngle;
}
public void OnPointerUp(PointerEventData eventData)
{
OnDrag(eventData);
wheelBeingHeld = false;
}
//end of the eventHandlers here
}
post on GitUb pleas,the script is curruptd.....
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