FlatRedBall.Graphics.PostProcessing.Blur.SetSampleParameters C# (CSharp) 메소드

        internal void SetSampleParameters()
        {
            int sampleMid = (mBlurSampleCount / 2);
            float[] sampleWeights = new float[mBlurSampleCount];
            Vector2[] sampleOffsetsHor = new Vector2[mBlurSampleCount];
            Vector2[] sampleOffsetsVer = new Vector2[mBlurSampleCount];
            Vector2 pixelSize = PostProcessingManager.PixelSize;

            // Calculate values using normal (gaussian) distribution
            float weightSum = 0f;
            for (int i = 0; i < mBlurSampleCount; i++)
            {
                // Get weight
                sampleWeights[i] =
                    1f / (((float)System.Math.Sqrt(2.0 * System.Math.PI) / mBlurStandardDeviation) *
                    (float)System.Math.Pow(System.Math.E,
                        System.Math.Pow((double)(i - sampleMid), 2.0) /
                        (2.0 * System.Math.Pow((double)mBlurStandardDeviation, 2.0))));

                // Add to total weight value (for normalization)
                weightSum += sampleWeights[i];

                // Get offset
                sampleOffsetsHor[i] = (new Vector2(
                    (float)(i - sampleMid) * 2.0f * mSampleScale + 0.5f, 0.5f)) * pixelSize;
                sampleOffsetsVer[i] = (new Vector2(
                    0.5f, (float)(i - sampleMid) * 2.0f * mSampleScale + 0.5f)) * pixelSize;
            }

            // Normalize sample weights
            for (int i = 0; i < sampleWeights.Length; i++)
            {
                sampleWeights[i] /= weightSum;
            }

            // Set parameters in shader
            mSampleWeights = sampleWeights;
            mSampleOffsetsHor = sampleOffsetsHor;
            mSampleOffsetsVer = sampleOffsetsVer;
        }