[Bf-blender-cvs] [d0c1d93b7e7] blender-v2.91-release: Fluid: Removed clamp from force assignment

[Sebastián Barschkis]

Commit: d0c1d93b7e7b453016ac83b3b1a57a220618a835
Author: Sebastián Barschkis
Date:   Thu Nov 12 14:03:03 2020 +0100
Branches: blender-v2.91-release
https://developer.blender.org/rBd0c1d93b7e7b453016ac83b3b1a57a220618a835

Fluid: Removed clamp from force assignment

The clamp is too aggressive and results in forces being too weak.

===================================================================

M	source/blender/blenkernel/intern/fluid.c

===================================================================

diff --git a/source/blender/blenkernel/intern/fluid.c b/source/blender/blenkernel/intern/fluid.c
index d93b635d67d..b9f201d8ada 100644
--- a/source/blender/blenkernel/intern/fluid.c
+++ b/source/blender/blenkernel/intern/fluid.c
@@ -3195,8 +3195,7 @@ static void update_effectors_task_cb(void *__restrict userdata,
       normalize_v3(retvel);
       mul_v3_fl(retvel, mag);
 
-      /* Constrain forces to interval -1 to 1. */
-      CLAMP3(retvel, -1.0f, 1.0f);
+      /* Copy computed force to fluid solver forces. */
       data->force_x[index] = retvel[0];
       data->force_y[index] = retvel[1];
       data->force_z[index] = retvel[2];