tadd more DOF - slidergrid - grid of elastic sliders on a frictional surface

git clone git://src.adamsgaard.dk/slidergrid

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---

commit cc654a7b73a8bdb1f7771af8e6aa946262d7e0bd

parent d7ec81af4ae23fc6bc3614beb3f2f80dab6320af

Author: Anders Damsgaard 

Date:   Tue, 15 Mar 2016 12:58:32 -0700

add more DOF

Diffstat:
  M main.c                              |       1 -
  M slider.h                            |       3 +++

2 files changed, 3 insertions(+), 1 deletion(-)
---

diff --git a/main.c b/main.c

t@@ -12,7 +12,6 @@ int main(int argc, char** argv)
     slider* sliders = create_regular_slider_grid(nx, ny, nz, 1.0, 1.0, 1.0);
 
 
-    print_slider_position(0);
 
     free(sliders);
     return EXIT_SUCCESS;

diff --git a/slider.h b/slider.h

t@@ -5,6 +5,9 @@
 
 typedef struct {
     v3 pos;  // spatial position
+    v3 vel;  // spatial velocity
+    v3 acc;  // spatial acceleration
+    v3 force;  // sum of forces
     Float bulk_modulus;  // elastic compressibility
     int neighbors[];  // indexes of sliders this one is bonded to
 } slider;