void UpdateNoiseTexture(int frame, float stripLength)
{
int fcount = Time.frameCount;
if (fcount % frame != 0)
{
return;
}
var color = XPostProcessingUtility.RandomColor();
for (var y = 0; y < _noiseTexture.height; y++)
{
for (var x = 0; x < _noiseTexture.width; x++)
{
if (UnityEngine.Random.value > stripLength)
{
color = XPostProcessingUtility.RandomColor();
}
_noiseTexture.SetPixel(x, y, color);
}
}
_noiseTexture.Apply();
}
void UpdateNoiseTexture(int frame, int noiseTextureWidth, int noiseTextureHeight, float stripLength)
{
int frameCount = Time.frameCount;
if (frameCount % frame != 0)
{
return;
}
_noiseTexture = new Texture2D(noiseTextureWidth, noiseTextureHeight, TextureFormat.ARGB32, false);
_noiseTexture.wrapMode = TextureWrapMode.Clamp;
_noiseTexture.filterMode = FilterMode.Point;
_trashFrame1 = new RenderTexture(Screen.width, Screen.height, 0);
_trashFrame2 = new RenderTexture(Screen.width, Screen.height, 0);
_trashFrame1.hideFlags = HideFlags.DontSave;
_trashFrame2.hideFlags = HideFlags.DontSave;
Color32 color = XPostProcessingUtility.RandomColor();
for (int y = 0; y < _noiseTexture.height; y++)
{
for (int x = 0; x < _noiseTexture.width; x++)
{
//随机值若大于给定strip随机阈值，重新随机颜色
if (UnityEngine.Random.value > stripLength)
{
color = XPostProcessingUtility.RandomColor();
}
//设置贴图像素值
_noiseTexture.SetPixel(x, y, color);
}
}
_noiseTexture.Apply();
var bytes = _noiseTexture.EncodeToPNG();
}