added morphing to the cow

[demo] / src / morph_renderer.cc

diff --git a/src/morph_renderer.cc b/src/morph_renderer.cc
index f31b8fe..ae91625 100644 (file)
--- a/src/morph_renderer.cc
+++ b/src/morph_renderer.cc
@@ -30,6 +30,7 @@ bool MorphRenderer::create()
        diff_loc = sprog->get_uniform_location("diffuse");
        spec_loc = sprog->get_uniform_location("specular");
        shin_loc = sprog->get_uniform_location("shininess");
+       t_loc = sprog->get_uniform_location("t");
 
        /* uniform locations for matrices */
 
@@ -52,4 +53,14 @@ void MorphRenderer::draw() const
        for(size_t i=0; i<scene->objects.size(); i++) {
                draw_object(scene->objects[i]);
        }
+}
+
+void MorphRenderer::draw_object(Object *object) const
+{
+       float t =  (sin(time_sec) + 1) * 0.5;
+
+       if(t_loc != -1)
+               sprog->set_uniformf(t_loc, t);
+
+       Renderer::draw_object(object);
 }
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