66 lines
1.8 KiB
C#
66 lines
1.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Windows.Forms;
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namespace Matrix_App.PregeneratedMods
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{
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public sealed class Rain : MatrixGifGenerator
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{
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private static float Fract(float x)
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{
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return x - MathF.Floor(x);
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}
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private static float Step(float x, float y)
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{
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return y > x ? 1.0f : 0.0f;
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}
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private static float Shower(float u, float v, float x, float y, float t, float frame)
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{
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var movY = Fract(v - frame * t + y + MathF.Sin(u * 5.0f) * 0.3f);
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var opacityX = Step(0.7f, Fract((u + x) * 93.0f));
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var opacityY = Step(0.6f, movY);
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var drop = MathF.Pow(movY, 6.0f);
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return opacityX * opacityY * drop;
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}
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protected override void ColorFragment(in int x, in int y, in float u, in float v, in int frame, out float r, out float g, out float b)
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{
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var time = frame / (totalFrames * 0.5f);
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var s1 = Shower(u, v, 0.00f, 0.0f, 1.0f, time);
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var s2 = Shower(u, v, 3.11f, 0.5f, 1.0f, time);
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var s3 = Shower(u, v, 3.40f, 0.2f, 0.6f, time);
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var s4 = Shower(u, v, 3.20f, 0.7f, 0.6f, time);
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var skyLight = (Fract(MathF.Sin(u * v + v) * 67128.0f + time) * 0.3f + 0.7f) * (1.3f - v);
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r = skyLight * 0.1f;
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g = skyLight * 0.2f;
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b = skyLight * 0.3f;
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g += 0.5f * s1;
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b += s1;
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g += 0.4f * s2;
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b += s2;
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g += 0.2f * s3;
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b += 0.3f * s3;
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g += 0.1f * s4;
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b += 0.2f * s4;
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}
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protected override void CreateUi(FlowLayoutPanel anchor, update invokeGenerator)
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{
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}
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}
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}
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