Pack everything as f*? It renders!

i-mic-fps.rb

@@ -1,17 +1,17 @@
-require 'opengl'
+require "opengl"
-require 'glu'
+require "glu"
 require "gosu"
 
 case OpenGL.get_platform
 when :OPENGL_PLATFORM_WINDOWS
-  OpenGL.load_lib('opengl32.dll', 'C:/Windows/System32')
+  OpenGL.load_lib("opengl32.dll", "C:/Windows/System32")
-  GLU.load_lib('GLU32.dll', 'C:/Windows/System32')
+  GLU.load_lib("GLU32.dll", "C:/Windows/System32")
 when :OPENGL_PLATFORM_MACOSX
-  OpenGL.load_lib('libGL.dylib', '/System/Library/Frameworks/OpenGL.framework/Libraries')
+  OpenGL.load_lib("libGL.dylib", "/System/Library/Frameworks/OpenGL.framework/Libraries")
-  GLU.load_lib('libGLU.dylib', '/System/Library/Frameworks/OpenGL.framework/Libraries')
+  GLU.load_lib("libGLU.dylib", "/System/Library/Frameworks/OpenGL.framework/Libraries")
 when :OPENGL_PLATFORM_LINUX
-  OpenGL.load_lib('libGL.so', '/usr/lib/x86_64-linux-gnu')
+  OpenGL.load_lib("libGL.so", "/usr/lib/x86_64-linux-gnu")
-  GLU.load_lib('libGLU.so', '/usr/lib/x86_64-linux-gnu')
+  GLU.load_lib("libGLU.so", "/usr/lib/x86_64-linux-gnu")
 else
   raise RuntimeError, "Unsupported platform."
 end

lib/wavefront/model.rb

@@ -41,13 +41,18 @@ class IMICFPS
         end
       end
 
-      def draw(x, y, z, scale = MODEL_METER_SCALE, back_face_culling = true)
+      def handleGlError
         e = glGetError()
         if e != GL_NO_ERROR
           $stderr.puts "OpenGL error in: #{gluErrorString(e)} (#{e})\n"
           exit
         end
+      end
+
+      def draw(x, y, z, scale = MODEL_METER_SCALE, back_face_culling = true)
+        handleGlError
         render(x,y,z, scale, back_face_culling)
+        handleGlError
       end
 
       def render(x,y,z, scale, back_face_culling)
@@ -82,10 +87,10 @@ class IMICFPS
           #   material = vert[3]
           #
           #   glColor3f(material.diffuse.red, material.diffuse.green, material.diffuse.blue)
-          #   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, [material.ambient.red, material.ambient.green, material.ambient.blue, 1.0].pack("f*"))
+          #   # glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, [material.ambient.red, material.ambient.green, material.ambient.blue, 1.0].pack("f*"))
-          #   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, [material.diffuse.red, material.diffuse.green, material.diffuse.blue, 1.0].pack("f*"))
+          #   # glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, [material.diffuse.red, material.diffuse.green, material.diffuse.blue, 1.0].pack("f*"))
-          #   glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, [material.specular.red, material.specular.green, material.specular.blue, 1.0].pack("f*"))
+          #   # glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, [material.specular.red, material.specular.green, material.specular.blue, 1.0].pack("f*"))
-          #   glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, [10.0].pack("f*"))
+          #   # glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, [10.0].pack("f*"))
           #   glNormal3f(normal.x, normal.y, normal.z) # Don't scale normals
           #   glVertex3f(vertex.x, vertex.y, vertex.z)
           # end

lib/wavefront/object.rb

@@ -32,7 +32,7 @@ class IMICFPS
           end
 
           @vertices_list_size = list.size
-          @vertices_list = list.pack("i*")
+          @vertices_list = list.pack("f*")
         end
 
         return @vertices_list
@@ -42,6 +42,44 @@ class IMICFPS
         @vertices_list_size
       end
 
+      def flattened_textures
+        unless @textures_list
+          list = []
+          @faces.each do |face|
+            [face[1]].each do |v|
+              next unless v
+              list << v.x
+              list << v.y
+            end
+          end
+
+          @textures_list_size = list.size
+          @textures_list = list.pack("f*")
+        end
+
+        return @textures_list
+      end
+
+      def flattened_normals
+        unless @normals_list
+          list = []
+          @faces.each do |face|
+            [face[2]].each do |v|
+              next unless v
+              list << v.x
+              list << v.y
+              list << v.z
+              # list << v.weight
+            end
+          end
+
+          @normals_list_size = list.size
+          @normals_list = list.pack("f*")
+        end
+
+        return @normals_list
+      end
+
       def flattened_materials
         unless @materials_list
           list = []
@@ -59,49 +97,11 @@ class IMICFPS
           end
 
           @materials_list_size = list.size
-          @materials_list = list.pack("i*")
+          @materials_list = list.pack("f*")
         end
 
         return @materials_list
       end
-
-      def flattened_normals
-        unless @normals_list
-          list = []
-          @faces.each do |face|
-            [face[2]].each do |v|
-              next unless v
-              list << v.x
-              list << v.y
-              list << v.z
-              # list << v.weight
-            end
-          end
-
-          @normals_list_size = list.size
-          @normals_list = list.pack("i*")
-        end
-
-        return @normals_list
-      end
-
-      def flattened_textures
-        unless @textures_list
-          list = []
-          @faces.each do |face|
-            [face[1]].each do |v|
-              next unless v
-              list << v.x
-              list << v.y
-            end
-          end
-
-          @textures_list_size = list.size
-          @textures_list = list.pack("i*")
-        end
-
-        return @textures_list
-      end
     end
   end
 end

lib/window.rb

@@ -64,9 +64,9 @@ class IMICFPS
         #glMatrixMode(matrix) indicates that following [matrix] is going to get used
         glMatrixMode(GL_PROJECTION) # The projection matrix is responsible for adding perspective to our scene.
         glLoadIdentity # Resets current modelview matrix
-
         # Calculates aspect ratio of the window. Gets perspective  view. 45 is degree viewing angle, (0.1, 100) are ranges how deep can we draw into the screen
         gluPerspective(90.0, width / height, 0.1, 1000.0)
+
         glMatrixMode(GL_MODELVIEW) # The modelview matrix is where object information is stored.
         glLoadIdentity