android camera viewport rect,Unity 实现屏幕抖动效果(通过Camera Viewport Rect)
實(shí)現(xiàn)屏幕抖動(dòng)其實(shí)是實(shí)現(xiàn)相機(jī)Camera的抖動(dòng),通過修改Viewport Rect屬性改變屏幕位置
以下是百度到的代碼:
public class ShakeCamera : MonoBehaviour {
private Camera mainCamera;
//震動(dòng)標(biāo)志位
public bool isShakeCamera = false;
//震動(dòng)幅度
public float shakeLevel = 3f;
//震動(dòng)時(shí)間
public float setShakeTime = 0.2f;
//震動(dòng)的FPS
public float shakeFps = 45f;
private float fps;
private float shakeTime = 0.0f;
private float frameTime = 0.0f;
private float shakeDelta = 0.005f;
void Awake()
{
//獲取Camera組件
mainCamera = GetComponent();
}
void Start () {
shakeTime = setShakeTime;
fps = shakeFps;
frameTime = 0.03f;
shakeDelta = 0.005f;
}
void Update () {
if (isShakeCamera)
{
if (shakeTime > 0)
{
shakeTime -= Time.deltaTime;
if (shakeTime <= 0)
{
mainCamera.rect = new Rect(0.0f, 0.0f, 1.0f, 1.0f);
isShakeCamera = false;
shakeTime = setShakeTime;
fps = shakeFps;
frameTime = 0.03f;
shakeDelta = 0.005f;
}
else
{
frameTime += Time.deltaTime;
if(frameTime>1.0/fps)
{
frameTime = 0;
mainCamera.rect = new Rect(shakeDelta * (-1.0f + shakeLevel * Random.value),
shakeDelta * (-1.0f + shakeLevel * Random.value), 1.0f, 1.0f);
}
}
}
}
}
public void Shake()
{
isShakeCamera = true;
}
}
但是在Update方法里Camera的Rect的修改,以及上面定義的private float fps,shakeDelta,shakeLevel的作用不是很理解
總結(jié)
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