mirror of
https://github.com/sfall-team/sfall.git
synced 2026-07-27 16:52:34 -07:00
37 lines
685 B
HLSL
37 lines
685 B
HLSL
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string texname1 = "";
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texture tex1;
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string texname2 = "weather\\snow.png";
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texture tex2;
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static const float tscale=3;
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int tickcount;
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float multi;
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float speed;
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sampler s0;
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sampler s1 = sampler_state {
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texture = <tex1>;
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};
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sampler s2 = sampler_state {
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texture = <tex2>;
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addressu=wrap;
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addressv=wrap;
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};
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float4 ps_p0(float2 tex : TEXCOORD0) : COLOR0
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{
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float3 r1=tex2D(s0, tex);
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float offset=(float)tickcount/speed;
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float2 y={-0.174, 0.985};
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y*=offset;
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float3 r2=saturate(tex2D(s1, tex)*tex2D(s2, tex*tscale-y)-(1.0-multi));
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float alpha=r2.g;
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r1=r1*(1-alpha) + r2*alpha;
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return float4(saturate(r1), 1);
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}
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technique T0
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{
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pass P0 { PixelShader = compile ps_2_0 ps_p0(); }
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}
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