seconds | Delay execution by the amount of time in seconds. |
Suspends the coroutine execution for the given amount of seconds using scaled time.
Create a yield
instruction. Wait for seconds
multiplied by Time.scaledTime. If seconds
is
set to 2.0f
and Time.scaledTime is set to 0.5f
, the wait is 4.0f
(2.0f
divided by 0.5f
seconds).
The example WaitForSeconds has a value of 1.0f
. The second button changes Time.scaledTime
to 4.0f
. The cubes now move faster.
using System.Collections; using System.Collections.Generic; using UnityEngine;
// WaitForSeconds example. // // Create three cubes. Press the "Move cubes normally" button to animate them. // Press the "Move cubes quickly" button to animate them faster. // Have WaitForSeconds wait for different amounts of time. The cubes // move upward or downward one at a time.
public class ScriptExample : MonoBehaviour { private GameObject[] gameObjects; private int numberOfGameObjects = 3; private bool exampleInUse = false; private int width, height; private float xPos, yPos; private float xSize, ySize; private int fontSize;
void Awake() { gameObjects = new GameObject[numberOfGameObjects];
for (int i = 0; i < numberOfGameObjects; i++) { // Create a cube, place in the world, and set the name. gameObjects[i] = GameObject.CreatePrimitive(PrimitiveType.Cube); gameObjects[i].transform.position = new Vector3(-1.5f + i * 1.5f, 0.5f, 0.0f); gameObjects[i].name = i.ToString(); }
// The size and position of the buttons. width = Screen.width; height = Screen.height; xPos = width - width / 2.5f; yPos = height - height / 5; xSize = 250 * width / 800; ySize = 40 * height / 600; fontSize = 24 * width / 800;
// Place the camera in a good location and looking towards the cubes. Camera.main.transform.position = new Vector3(2.6f, 2.0f, 2.5f); Camera.main.transform.localEulerAngles = new Vector3(25.0f, -135.0f, 0.0f); }
// Move selected cube up or down. void ChangeSize(int gameObject, float x) { if (gameObjects[gameObject].transform.position.y > 0.95f) { gameObjects[gameObject].transform.position = new Vector3(x, 0.5f, 0.0f); } else { gameObjects[gameObject].transform.position = new Vector3(x, 1.0f, 0.0f); } }
IEnumerator Example() { // Start control of the three cubes. exampleInUse = true;
// Move the first cube up or down. yield return new WaitForSeconds(0.5f); ChangeSize(0, -1.5f);
// Move the second cube up or down. yield return new WaitForSeconds(1.5f); ChangeSize(1, 0.0f);
// Move the third cube up or down. yield return new WaitForSeconds(0.75f); ChangeSize(2, 1.5f);
// Pause for a second. yield return new WaitForSeconds(1.0f);
exampleInUse = false; }
void OnGUI() { GUI.enabled = !exampleInUse; GUI.skin.button.fontSize = 24 * width / 800;
if (GUI.Button(new Rect(xPos, yPos, xSize, ySize), "Move cubes normally")) { Time.timeScale = 1.0f; StartCoroutine(Example()); }
// Set the speed of the cubes to be more fast than normal. if (GUI.Button(new Rect(xPos, yPos + ySize * 1.1f, xSize, ySize), "Move cubes quickly")) { Time.timeScale = 4.0f; StartCoroutine(Example()); } } }
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