Initial Commit

Gemfile

@@ -0,0 +1,6 @@
+source "https://rubygems.org"
+gem "opengl"
+gem "glu"
+gem "glut"
+gem "gosu"
+gem "wavefront" # Gem for opening blender or blender exported object with texturing

Gemfile.lock

@@ -0,0 +1,21 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    glu (8.3.0)
+    glut (8.3.0)
+    gosu (0.13.1)
+    opengl (0.10.0)
+    wavefront (0.1.2)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  glu
+  glut
+  gosu
+  opengl
+  wavefront
+
+BUNDLED WITH
+   1.16.1

i-mic-fps.rb

@@ -0,0 +1,10 @@
+require "opengl"
+require "glu"
+require "glut"
+require "gosu"
+# require "wavefront"
+
+require_relative "lib/object"
+require_relative "lib/window"
+
+IMICFPS::Window.new.show

lib/object.rb

@@ -0,0 +1,50 @@
+class IMICFPS
+  class Object
+    Vertex = Struct.new("Vertex", :x, :y, :z)
+
+    attr_accessor :vertexes, :texures, :normals, :faces
+
+    def initialize(object = "objects/cube.obj")
+      @level = File.open(object, 'r')
+      @vertexes = []
+      @textures = []
+      @normals = []
+      @faces = []
+      parse
+    end
+
+    def parse
+      @level.each_line do |line|
+        line = line.strip
+
+        array = line.split(' ')
+        case array[0]
+        when 'v'
+          vert = Vertex.new(Float(array[1]), Float(array[2]), Float(array[3]))
+          @vertexes << vert
+        when 'vt'
+          p array
+          # vert = Vertex.new(Float(array[1]), Float(array[2]), Float(array[3]))
+          # @textures << vert
+
+        when 'vn'
+          vert = Vertex.new(Float(array[1]), Float(array[2]), Float(array[3]))
+          @normals << vert
+
+        when 'f'
+          vert = []
+          norm = []
+          array[1..3].each do |f|
+            vert << f.split("/")[0]
+            norm << f.split("/")[2]
+          end
+
+          vert.each_with_index do |v, index|
+            face = [@vertexes[Integer(v)-1], @normals[Integer(norm[index])-1]]
+            @faces << face
+          end
+        end
+      end
+    end
+  end
+end

lib/window.rb

@@ -0,0 +1,126 @@
+class IMICFPS
+  class Window < Gosu::Window
+    include GL
+    include GLU
+    include GLUT
+
+    def initialize(window_width = 1280, window_height = 800, fullscreen = false)
+      # super(window_width, window_height, fullscreen)
+      super(Gosu.screen_width, Gosu.screen_height, true)
+      $window = self
+      @level = Object.new("objects/cube.obj")
+      # @level = Object.new("objects/sponza.obj")
+      @camera = Object::Vertex.new(0,-1,0)
+      @camera_target = Object::Vertex.new(0,-1,0)
+      @speed = 0.05
+      @angle_y = 0 # |
+      @angle_x = 0 # _
+      @mouse = Object::Vertex.new(Gosu.screen_width/2,Gosu.screen_height/2,0)
+      self.mouse_x, self.mouse_y = Gosu.screen_width/2, Gosu.screen_height/2
+
+      @font = Gosu::Font.new(18, name: "DejaVu Sans")
+      @text = "Hello There"
+      @last_frame_time = 0
+      @tick = 0
+      @c1, @c2, @c3 = rand(0.0..1.0), rand(0.0..1.0), rand(0.0..1.0)
+
+      @ambient_light = [0, 0, 0, 1]
+      @diffuse_light = [1, 1, 1, 1]
+      @specular_light = [1, 1, 1, 1]
+      @light_postion = [1, 1, 1, 0]
+
+      # gl do
+        #
+      # end
+    end
+
+    def draw
+      gl do
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) # clear the screen and the depth buffer
+        glShadeModel(GL_SMOOTH)
+
+        #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, 100.0)
+        glMatrixMode(GL_MODELVIEW) # The modelview matrix is where object information is stored.
+        glLoadIdentity
+        # Think 3-d coordinate system (x,y,z). +- on each movies on that axis
+        glLightfv(GL_LIGHT0, GL_AMBIENT, @ambient_light)
+        glLightfv(GL_LIGHT0, GL_DIFFUSE, @diffuse_light)
+        glLightfv(GL_LIGHT0, GL_SPECULAR, @specular_light)
+        glLightfv(GL_LIGHT0, GL_POSITION, @light_postion)
+        glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1)
+        glEnable(GL_LIGHTING)
+        glEnable(GL_LIGHT0)
+        glEnable(GL_DEPTH_TEST)
+        glEnable(GL_CULL_FACE)
+
+        glEnable(GL_COLOR_MATERIAL)
+        glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE)
+
+        # glRotatef(@angle_y,0,1,0)
+        # glRotatef(@angle_x,1,0,0)
+        # glTranslate(@x, @y, @z)
+        # glPointSize(5.0)
+        gluLookAt(@camera.x,@camera.y,@camera.z, @angle_x,@angle_y,0, 0,1,0)
+
+        color = [@c1, @c2, @c3]
+        glBegin(GL_TRIANGLES) # begin drawing model
+          @level.faces.each do |vert|
+            vertex = vert[0]
+            normal = vert[1]
+
+            glColor3f(color[0], color[1], color[2])
+            glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, [@c1, @c2, @c3, 1.0])
+            glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, [@c1, @c2, @c3, 1.0])
+            glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, [1,1,1,1])
+            glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, [10.0])
+
+            glNormal3f(normal.x, normal.y, normal.z)
+            glVertex3f(vertex.x, vertex.y, vertex.z)
+          end
+        glEnd
+      end
+
+      @text.split("~").each_with_index do |bit, i|
+        @font.draw(bit.strip, 10, @font.height*i, Float::INFINITY)
+      end
+    end
+
+    def update
+      @text = "Open Vendor: #{glGetString(GL_VENDOR)}~
+      OpenGL Renderer: #{glGetString(GL_RENDERER)} ~
+      OpenGL Version: #{glGetString(GL_VERSION)}~
+      OpenGL Shader Language Version: #{glGetString(GL_SHADING_LANGUAGE_VERSION)}~
+      ~
+      Angle Y: #{@angle_y} Angle X: #{@angle_x} ~
+      X:#{@camera.x} Y:#{@camera.y} Z:#{@camera.z} ~
+      Mesh Vert Array: #{@level.faces.size} ~
+      Last Frame: #{Gosu.milliseconds-@last_frame_time}ms (#{Gosu.fps} fps)"
+      @last_frame_time = Gosu.milliseconds
+
+      # $window.caption = "Gosu OBJ Level - FPS:#{Gosu.fps}"
+      @angle_x-=Integer(@mouse.x-self.mouse_x)
+      @angle_y-=Integer(@mouse.y-self.mouse_y)
+      @angle_x = @angle_x.clamp(-360, 360)
+      @angle_y = @angle_y.clamp(-360, 360)
+      self.mouse_x, self.mouse_y = Gosu.screen_width/2, Gosu.screen_height/2
+
+      @light_postion = [-@camera.x, -@camera.y, -@camera.z, 1]
+      # @light_postion = [1.0, 0.249, 4.09, 1]
+
+      @camera.x-=@speed if $window.button_down?(Gosu::KbRight)
+      @camera.x+=@speed if $window.button_down?(Gosu::KbLeft)
+      @camera.z+=@speed if $window.button_down?(Gosu::KbUp)
+      @camera.z-=@speed if $window.button_down?(Gosu::KbDown)
+
+      @camera.y+=@speed if $window.button_down?(Gosu::KbLeftShift)
+      @camera.y-=@speed if $window.button_down?(Gosu::KbSpace)
+
+      $window.close if $window.button_down?(Gosu::KbEscape)
+    end
+  end
+end

objects/cube.mtl

@@ -0,0 +1,40 @@
+# Blender MTL File: 'cube.blend'
+# Material Count: 4
+
+newmtl Material.001
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.007390 0.000000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl Material.002
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.069712 0.069712 0.069712
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl Material.003
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.166102 0.640000 0.127010
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl None
+Ns 0
+Ka 0.000000 0.000000 0.000000
+Kd 0.8 0.8 0.8
+Ks 0.8 0.8 0.8
+d 1
+illum 2

objects/sponza.mtl

@@ -0,0 +1,202 @@
+# Blender MTL File: 'None'
+# Material Count: 20
+
+newmtl sp_00_luk_mal1
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_00_luk_mali
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_00_pod
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_00_prozor
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_00_stup
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_00_svod
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_00_vrata_kock
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_00_vrata_krug
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_00_zid
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_01_luk_a
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_01_stub
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_01_stub_baza
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_01_stub_baza_
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_01_stub_kut
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_01_stup
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_01_stup_baza
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_02_reljef
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_svod_kapitel
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_vijenac
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl sp_zid_vani
+Ns 96.078431
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2