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add game&rawdata

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Vasily Petrov 2026-06-17 23:06:51 +03:00
parent 0133cd976c
commit 49b34b5546
45731 changed files with 709831 additions and 0 deletions
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gamedata/shaders/r3/fluid_confinement.ps Normal file
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#include "fluid_common.h"
//////////////////////////////////////////////////////////////////////////////////////////
// Pixel
float4 main( p_fluidsim input ) : SV_Target
{
// Texture_tempvector contains the vorticity computed by PS_VORTICITY
float4 omega = Texture_tempvector.SampleLevel( samPointClamp, input.texcoords, 0 );
// Potential optimization: don't find length multiple times - do once for the entire texture
float omegaL = length( Texture_tempvector.SampleLevel( samPointClamp, LEFTCELL, 0 ) );
float omegaR = length( Texture_tempvector.SampleLevel( samPointClamp, RIGHTCELL, 0 ) );
float omegaB = length( Texture_tempvector.SampleLevel( samPointClamp, BOTTOMCELL, 0 ) );
float omegaT = length( Texture_tempvector.SampleLevel( samPointClamp, TOPCELL, 0 ) );
float omegaD = length( Texture_tempvector.SampleLevel( samPointClamp, DOWNCELL, 0 ) );
float omegaU = length( Texture_tempvector.SampleLevel( samPointClamp, UPCELL, 0 ) );
float3 eta = 0.5 * float3( omegaR - omegaL,
omegaT - omegaB,
omegaU - omegaD );
eta = normalize( eta + float3(0.001,0.001,0.001) );
float4 force;
force.xyz = timestep * epsilon * float3( eta.y * omega.z - eta.z * omega.y,
eta.z * omega.x - eta.x * omega.z,
eta.x * omega.y - eta.y * omega.x );
// Note: the result is added to the current velocity at each cell using "additive blending"
return force;
}