我们创建了 Fontainebleau 演示来说明摄影photogrammetry流程和 LayeredLit 着色器的使用。
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using System;
using System.Collections;
using UnityEngine;
namespace UnityStandardAssets.Utility
{
[Serializable]
public class FOVKick
{
public Camera Camera; // optional camera setup, if null the main camera will be used
[HideInInspector] public float originalFov; // the original fov
public float FOVIncrease = 3f; // the amount the field of view increases when going into a run
public float TimeToIncrease = 1f; // the amount of time the field of view will increase over
public float TimeToDecrease = 1f; // the amount of time the field of view will take to return to its original size
public AnimationCurve IncreaseCurve;
public void Setup(Camera camera)
{
CheckStatus(camera);
Camera = camera;
originalFov = camera.fieldOfView;
}
private void CheckStatus(Camera camera)
{
if (camera == null)
{
throw new Exception("FOVKick camera is null, please supply the camera to the constructor");
}
if (IncreaseCurve == null)
{
throw new Exception(
"FOVKick Increase curve is null, please define the curve for the field of view kicks");
}
}
public void ChangeCamera(Camera camera)
{
Camera = camera;
}
public IEnumerator FOVKickUp()
{
float t = Mathf.Abs((Camera.fieldOfView - originalFov)/FOVIncrease);
while (t < TimeToIncrease)
{
Camera.fieldOfView = originalFov + (IncreaseCurve.Evaluate(t/TimeToIncrease)*FOVIncrease);
t += Time.deltaTime;
yield return new WaitForEndOfFrame();
}
}
public IEnumerator FOVKickDown()
{
float t = Mathf.Abs((Camera.fieldOfView - originalFov)/FOVIncrease);
while (t > 0)
{
Camera.fieldOfView = originalFov + (IncreaseCurve.Evaluate(t/TimeToDecrease)*FOVIncrease);
t -= Time.deltaTime;
yield return new WaitForEndOfFrame();
}
//make sure that fov returns to the original size
Camera.fieldOfView = originalFov;
}
}
}