43 lines
1.0 KiB
C#
43 lines
1.0 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class CameraController : MonoBehaviour {
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public GameObject background;
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float speed;
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void Awake() {
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speed = 0.05f;
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}
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void Update() {
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ScrollSideways ();
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}
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void ScrollSideways() {
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//get the x & y of the mouse as a ratio
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float mouseX = Input.mousePosition.x / Screen.width;
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float mouseY = Input.mousePosition.y / Screen.height;
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//move the camera
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Vector3 cameraPos = transform.position;
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if (mouseX < 0.20) {
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cameraPos.x -= speed;
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}
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if (mouseX > 0.80) {
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cameraPos.x += speed;
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}
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//clamp
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float bgWidth = background.GetComponent<Renderer>().bounds.extents.x;
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float bgHeight = background.GetComponent<Renderer>().bounds.extents.y;
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transform.position = new Vector3 (
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Mathf.Clamp (cameraPos.x, background.transform.position.x - bgWidth/2, background.transform.position.x + bgWidth/2),
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Mathf.Clamp (cameraPos.y, background.transform.position.y - bgHeight/2, background.transform.position.y + bgHeight/2),
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transform.position.z
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);
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}
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}
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