rotation seperated from 3D renderer

1 files changed, 19 insertions, 5 deletions

diff --git a/Smoke/fluids.c b/Smoke/fluids.c
index 4aa4b0e..9ae7d7f 100644
--- a/Smoke/fluids.c
+++ b/Smoke/fluids.c
@@ -54,6 +54,8 @@ float x_rot = 0.0f;
 float y_rot = 0.0f;
 float z_rot = 0.0f;
 
+static int fluids_calculate = TRUE;
+
 //------ SIMULATION CODE STARTS HERE -----------------------------------------------------------------
 
 //init_simulation: Initialize simulation data structures as a function of the grid size 'n'. 
@@ -266,11 +268,13 @@ void copy_frame(fftw_real *field)
 
 void calculate_one_simulation_step(fftw_real *field)
 {
-    set_forces();
-	  solve(DIM, vx, vy, vx0, vy0, visc, dt);
-	  diffuse_matter(DIM, vx, vy, rho, rho0, dt);
-    calculate_hight_plot();
-    copy_frame(field);
+  if (fluids_calculate) {
+      set_forces();
+      solve(DIM, vx, vy, vx0, vy0, visc, dt);
+      diffuse_matter(DIM, vx, vy, rho, rho0, dt);
+      calculate_hight_plot();
+      copy_frame(field);
+  }
 }
 
 //------ VISUALIZATION CODE STARTS HERE -----------------------------------------------------------------
@@ -500,3 +504,13 @@ void set_glyph_sort(int sort)
 {
   glyph_sort = sort;
 }
+
+void fluids_set_calculate(int calculate)
+{
+  fluids_calculate = calculate;
+}
+
+int fluids_get_calculate(void)
+{
+  return fluids_calculate;
+}