SetFogVector()

static void Microsoft.Xna.Framework.Graphics.EffectHelpers.SetFogVector ( ref Matrix worldView, float fogStart, float fogEnd, EffectParameter fogVectorParam )

inlinestaticprivate

Definition at line 47 of file EffectHelpers.cs.

    {
        if (fogStart == fogEnd)
        {
            fogVectorParam.SetValue(new Vector4(0f, 0f, 0f, 1f));
            return;
        }
        float num = 1f / (fogStart - fogEnd);
        Vector4 value = default(Vector4);
        value.X = worldView.M13 * num;
        value.Y = worldView.M23 * num;
        value.Z = worldView.M33 * num;
        value.W = (worldView.M43 + fogStart) * num;
        fogVectorParam.SetValue(value);
    }

References Microsoft.Xna.Framework.Graphics.EffectParameter.SetValue(), and Microsoft.Xna.Framework.Graphics.Vector4.

Referenced by Microsoft.Xna.Framework.Graphics.EffectHelpers.SetWorldViewProjAndFog().