added renderfunction to a structure.

Complex structure soon to come.

Objects/Cube/cube_geometry.glsl

@@ -4,7 +4,6 @@ layout(points) in;
 layout(triangle_strip,max_vertices=24) out;
 
 uniform mat4 projModelViewMatrix;
-uniform mat3 normalMatrix;
 uniform mat3 rotMatrix;
 
 uniform mat4 lightProjModelViewMatrix[7];

Objects/Structure.py

@@ -116,4 +116,28 @@ class Structure:
                 glDisableVertexAttribArray(s)
                 glDeleteBuffers(1,[s])
             glDeleteVertexArrays(1, a)
-            check_error("Could not destroy vertex array")
+            check_error("Could not destroy vertex array")
+
+    def render(self,projMatrix,geometryRotMatrix,alternateprograms = None):
+
+        for key,tupel in self.vais.items():
+            if alternateprograms == None:
+                program_id = key
+            else:
+                assert key in alternateprograms.keys
+                program_id = alternateprograms[key]
+            glUseProgram(program_id)
+            check_error("Renderingprogram is not initialized!")
+
+            projection = glGetUniformLocation(program_id, 'projModelViewMatrix')
+            rot = glGetUniformLocation(program_id, 'rotMatrix')
+
+            glUniformMatrix4fv(projection, 1, GL_FALSE, np.array(projMatrix))
+            glUniformMatrix3fv(rot, 1, GL_FALSE, np.array(geometryRotMatrix))
+
+            glBindVertexArray(tupel[0])
+            glDrawArrays(GL_POINTS, 0, len(self.Objects[key]))
+            check_error("Rendering problem")
+
+            glBindVertexArray(0)
+            glUseProgram(0)