diff --git a/intern/mantaflow/intern/strings/fluid_script.h b/intern/mantaflow/intern/strings/fluid_script.h index 0df9e0e8df0..1f22f4b3d21 100644 --- a/intern/mantaflow/intern/strings/fluid_script.h +++ b/intern/mantaflow/intern/strings/fluid_script.h @@ -360,7 +360,6 @@ def fluid_pre_step_$ID$():\n\ \n\ # Main vel grid is copied in adapt time step function\n\ \n\ - # translate obvels (world space) to grid space\n\ if using_obstacle_s$ID$:\n\ # Average out velocities from multiple obstacle objects at one cell\n\ x_obvel_s$ID$.safeDivide(numObs_s$ID$)\n\ @@ -368,7 +367,6 @@ def fluid_pre_step_$ID$():\n\ z_obvel_s$ID$.safeDivide(numObs_s$ID$)\n\ copyRealToVec3(sourceX=x_obvel_s$ID$, sourceY=y_obvel_s$ID$, sourceZ=z_obvel_s$ID$, target=obvelC_s$ID$)\n\ \n\ - # translate invels (world space) to grid space\n\ if using_invel_s$ID$:\n\ copyRealToVec3(sourceX=x_invel_s$ID$, sourceY=y_invel_s$ID$, sourceZ=z_invel_s$ID$, target=invelC_s$ID$)\n\ \n\ @@ -378,7 +376,6 @@ def fluid_pre_step_$ID$():\n\ interpolateMACGrid(source=guidevel_sg$ID$, target=velT_s$ID$)\n\ velT_s$ID$.multConst(vec3(gamma_sg$ID$))\n\ \n\ - # translate external forces (world space) to grid space\n\ copyRealToVec3(sourceX=x_force_s$ID$, sourceY=y_force_s$ID$, sourceZ=z_force_s$ID$, target=forces_s$ID$)\n\ \n\ # If obstacle has velocity, i.e. is a moving obstacle, switch to dynamic preconditioner\n\ diff --git a/source/blender/blenkernel/intern/fluid.c b/source/blender/blenkernel/intern/fluid.c index a940a8a97c7..00a81e6ea2d 100644 --- a/source/blender/blenkernel/intern/fluid.c +++ b/source/blender/blenkernel/intern/fluid.c @@ -3202,9 +3202,15 @@ static void update_effectors_task_cb(void *__restrict userdata, mul_v3_fl(retvel, mag); /* Constrain forces to interval -1 to 1. */ - data->force_x[index] = min_ff(max_ff(-1.0f, retvel[0] * 0.2f), 1.0f); - data->force_y[index] = min_ff(max_ff(-1.0f, retvel[1] * 0.2f), 1.0f); - data->force_z[index] = min_ff(max_ff(-1.0f, retvel[2] * 0.2f), 1.0f); + CLAMP3(retvel, -1.0f, 1.0f); + data->force_x[index] = retvel[0]; + data->force_y[index] = retvel[1]; + data->force_z[index] = retvel[2]; + +# if DEBUG_PRINT + /* Debugging: Print forces. */ + printf("setting force: [%f, %f, %f]\n", data->force_x[index], data->force_y[index], data->force_z[index]); +# endif } } }