Full source code bắt bóng (chiếc mũ tí hon tung hoành khắp nơi)
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1 using UnityEngine;
2 using System.Collections;
3
4 public class HatController : MonoBehaviour {
5
6 public Camera cam;
7 private float maxWidth;
8 private bool canControl;
9
10 // Use this for initialization
11 void Start () {
12
13 if (cam == null) {
14 cam = Camera.main;
15 }
16 canControl = false;
17 Vector3 upperCorner = new Vector3 (Screen.width, Screen.height, 0.0f);
18 Vector3 targetWidth = cam.ScreenToWorldPoint(upperCorner);
19 float hatWidth = GetComponent<Renderer>().bounds.extents.x;
20 maxWidth = targetWidth.x-hatWidth;
21 }
22
23 // Update is called once per physics timestep
24 void FixedUpdate () {
25 if (canControl) {
26 Vector3 rawPosition = cam.ScreenToWorldPoint (Input.mousePosition);
27 Vector3 targetPosition = new Vector3 (rawPosition.x, 0.0f, 0.0f);
28 float targetWidth = Mathf.Clamp (targetPosition.x, -maxWidth, maxWidth);
29 targetPosition = new Vector3 (targetWidth, targetPosition.y, targetPosition.z);
30 GetComponent<Rigidbody2D> ().MovePosition (targetPosition);
31 }
32 }
33
34 public void toggledControl (bool toggle) {
35 canControl = toggle;
36 }
37 }
2 using System.Collections;
3
4 public class HatController : MonoBehaviour {
5
6 public Camera cam;
7 private float maxWidth;
8 private bool canControl;
9
10 // Use this for initialization
11 void Start () {
12
13 if (cam == null) {
14 cam = Camera.main;
15 }
16 canControl = false;
17 Vector3 upperCorner = new Vector3 (Screen.width, Screen.height, 0.0f);
18 Vector3 targetWidth = cam.ScreenToWorldPoint(upperCorner);
19 float hatWidth = GetComponent<Renderer>().bounds.extents.x;
20 maxWidth = targetWidth.x-hatWidth;
21 }
22
23 // Update is called once per physics timestep
24 void FixedUpdate () {
25 if (canControl) {
26 Vector3 rawPosition = cam.ScreenToWorldPoint (Input.mousePosition);
27 Vector3 targetPosition = new Vector3 (rawPosition.x, 0.0f, 0.0f);
28 float targetWidth = Mathf.Clamp (targetPosition.x, -maxWidth, maxWidth);
29 targetPosition = new Vector3 (targetWidth, targetPosition.y, targetPosition.z);
30 GetComponent<Rigidbody2D> ().MovePosition (targetPosition);
31 }
32 }
33
34 public void toggledControl (bool toggle) {
35 canControl = toggle;
36 }
37 }