tenabled 2d behavior if fixvel > 10 - sphere - GPU-based 3D discrete element method algorithm with optional fluid coupling
  HTML git clone git://src.adamsgaard.dk/sphere
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       ---
   DIR commit 5d129366464784427904960a745de18f1ea89356
   DIR parent e6024e9e3bc8ef33c96b2d38c7e23a62dc190e4d
  HTML Author: Anders Damsgaard <anders.damsgaard@geo.au.dk>
       Date:   Wed, 18 Jun 2014 11:46:05 +0200
       
       enabled 2d behavior if fixvel > 10
       
       Diffstat:
         M src/integration.cuh                 |      10 +++++++++-
       
       1 file changed, 9 insertions(+), 1 deletion(-)
       ---
   DIR diff --git a/src/integration.cuh b/src/integration.cuh
       t@@ -87,7 +87,7 @@ __global__ void integrate(Float4* dev_x_sorted, Float4* dev_vel_sorted, // Input
                // velocity. In that case, zero the horizontal acceleration and disable
                // gravity to counteract segregation. Particles may move in the
                // z-dimension, to allow for dilation.
       -        if (vel.w > 0.0001) {
       +        if (vel.w > 0.0001 && vel.w < 10.0) {
        
                    acc.x = 0.0;
                    acc.y = 0.0;
       t@@ -97,6 +97,14 @@ __global__ void integrate(Float4* dev_x_sorted, Float4* dev_vel_sorted, // Input
                    angacc = MAKE_FLOAT4(0.0, 0.0, 0.0, 0.0);
                }
        
       +        // 2d kinematic update by disabling linear acceleration along y and
       +        // disabling angular acceleration by everything but y.
       +        if (vel.w >= 10.0) {
       +            acc.y = 0.0;
       +            angacc.x = 0.0;
       +            angacc.z = 0.0;
       +        }
       +
                if (vel.w < -0.0001) {
                    acc.x = 0.0;
                    acc.y = 0.0;