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rozgo/BDF2_integrate_HLSL.txt

Forked from sebbbi/BDF2_integrate_HLSL.txt
Created March 28, 2018 00:48
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BDF2 integrator in HLSL
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BDF2_integrate_HLSL.txt
void BFD2(inout ParticleSimulationDataP1 Particle, float3 Accel)
{
float3 x = Particle.Position;
float3 v = Particle.Velocity;
float3 x1 = Particle.PositionPrev;
float3 v1 = Particle.VelocityPrev;
Particle.Position = (4.0/3.0) * x - (1.0/3.0) * x1 + 1.0 * ((8.0/9.0) * v - (2.0/9.0) * v1 + (4.0/9.0) * Accel * TimeStep2);
Particle.PositionPrev = x;
}
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