1 files changed, 50 insertions, 40 deletions

diff --git a/Smoke/renderer_gl.c b/Smoke/renderer_gl.c
index 96b9faa..fb27516 100644
--- a/Smoke/renderer_gl.c
+++ b/Smoke/renderer_gl.c
@@ -316,6 +316,8 @@ void render_smoke(void)
 
   DIM = fluids_get_dim();
 
+  glDisable(GL_BLEND);
+
   wn = (fftw_real)winWidth / (fftw_real)(DIM + 1);   // Grid cell width
   hn = (fftw_real)winHeight / (fftw_real)(DIM + 1);  // Grid cell height
 
@@ -370,6 +372,8 @@ void render_smoke(void)
 	  glVertex3f(px, py, pz);
 	  glEnd();
   }
+
+  glEnable(GL_BLEND);
 }
 
 
@@ -796,32 +800,34 @@ static void render_flowvis(void)
 
 void renderer_init_gl(void)
 {
-  float LightAmbient[]  = { 0.10f, 0.10f,  0.10f, 1.0f }; // Ambient light values
-  float LightDiffuse[]  = { 1.0f, 1.0f,  1.0f, 1.0f }; // Diffuse light values
-  float LightPosition[] = { -250.0f, -250.0f, -300.0f,  1.00f }; // Position of the light source
+  float LightAmbient[]  = { 0.10f, 0.10f, 0.10f, 1.0f }; // Ambient light values
+  float LightDiffuse[]  = { 0.80f, 0.80f, 0.80f, 1.0f }; // Diffuse light values
+  float LightPosition[] = { x_pos, y_pos, -500, 1.0f }; // Position of the light source
 
-  //glEnable(GL_TEXTURE_2D);
-  glShadeModel(GL_SMOOTH);
   glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
   glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
 
+  // blending
   glEnable(GL_BLEND);
   glBlendFunc(GL_SRC_ALPHA, GL_ONE);
 
+  // depth testing
   glEnable(GL_DEPTH_TEST);
   glClearDepth(1.0f);
   glDepthFunc(GL_LESS);
   
+  // lighting
+  glShadeModel(GL_SMOOTH);
   glEnable(GL_LIGHTING);
   glEnable(GL_LIGHT0);
   glEnable(GL_COLOR_MATERIAL);
 
+  glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 9.8f);
+
   glLightfv(GL_LIGHT0, GL_AMBIENT,  LightAmbient);
   glLightfv(GL_LIGHT0, GL_DIFFUSE,  LightDiffuse);
   glLightfv(GL_LIGHT0, GL_POSITION, LightPosition);
-
-  texture = load_textures(BITMAP_SOURCE);
 }
 
 
@@ -891,49 +897,53 @@ void visualize(struct vis_data_arrays *vis_data)
 {
 
   // Rotate field
-  glLoadIdentity();
-  glTranslatef(x_pos, y_pos, z_pos);
-  glRotatef(x_rot, 1.0f, 0.0f, 0.0f);
-  glRotatef(y_rot, 0.0f, 1.0f, 0.0f);
-  glRotatef(z_rot, 0.0f, 0.0f, 1.0f);
+  glPushMatrix();
+
+    glLoadIdentity();
+    glTranslatef(x_pos, y_pos, z_pos);
+    glRotatef(x_rot, 1.0f, 0.0f, 0.0f);
+    glRotatef(y_rot, 0.0f, 1.0f, 0.0f);
+    glRotatef(z_rot, 0.0f, 0.0f, 1.0f);
   
-  glTranslatef(-winWidth/2, -winHeight/2, 0.0f);
+    glTranslatef(-winWidth/2, -winHeight/2, 0.0f);
 
-  if (renderer_render_grid) {
-    render_grid();
-  }
+    if (renderer_render_grid) {
+      render_grid();
+    }
 
-  if (isolines_get_render()) {
-    render_isolines();
-  }
+    if (isolines_get_render()) {
+      render_isolines();
+    }
 
-  if (smoke_get_render()) {
-	  render_smoke();
-  }
+    if (smoke_get_render()) {
+	    render_smoke();
+    }
 
-  if (glyphs_get_render()) {
-    render_glyphs();
-  }
+    if (glyphs_get_render()) {
+      render_glyphs();
+    }
 
-  render_seedpoints();
+    render_seedpoints();
 
-  if (streamlines_get_render()) {
-    render_streamlines();
-  }
+    if (streamlines_get_render()) {
+      render_streamlines();
+    }
 
-  if (flowvis_get_render()) {
-    render_flowvis();
-  }
+    if (flowvis_get_render()) {
+      render_flowvis();
+    }
 
-  if (normals_get_render()) {
-    render_normal();
-  }
+    if (normals_get_render()) {
+      render_normal();
+    }
 
-  if (normals_get_render2()) {
-    render_normals();
-  }
+    if (normals_get_render2()) {
+      render_normals();
+    }
+
+    render_streamlines();
 
-  render_streamlines();
+	  render_legend();
 
-	render_legend();
+  glPopMatrix();
 }