Camera can bind to model

lib/objects/camera.rb

@@ -5,6 +5,7 @@ class IMICFPS
     include GLU
 
     attr_accessor :x,:y,:z, :field_of_view, :vertical_angle, :horizontal_angle, :mouse_sensitivity
+    attr_reader :bound_model
     def initialize(x: 0, y: 0, z: 0, fov: 70.0)
       @x,@y,@z = x,y,z
       @vertical_angle = 0.0
@@ -17,6 +18,16 @@ class IMICFPS
       @true_mouse = Point.new(Gosu.screen_width/2, Gosu.screen_height/2)
       @true_mouse_checked = 0
       @mouse_sensitivity = 20.0
+
+      @bound_model = nil
+    end
+
+    def bind_model(model)
+      @bound_model = model
+    end
+
+    def unbind
+      @bound_model = nil
     end
 
     def draw
@@ -86,6 +97,17 @@ class IMICFPS
 
       @y+=relative_speed if button_down?(Gosu::KbC) || button_down?(Gosu::KbLeftShift)
       @y-=relative_speed if button_down?(Gosu::KbSpace)
+
+      if @bound_model
+        distance = 2.0
+        x_offset = distance * Math.cos(@bound_model.y_rotation)
+        z_offset = distance * Math.sin(@bound_model.y_rotation)
+        @bound_model.x = @x*-1+x_offset
+        @bound_model.y = @y*-1-2
+        @bound_model.z = @z*-1-z_offset
+
+        @bound_model.y_rotation = (@horizontal_angle*-1)+180
+      end
     end
 
     def button_up(id)

lib/objects/model.rb

@@ -31,7 +31,7 @@ class IMICFPS
       unless load_model_from_cache
         case type
         when :obj
-          @model = Wavefront::Model.new(@file_path)
+          @model = Wavefront::Model.new(file_path: @file_path, x: x, y: y, z: z, scale: scale)
         else
           raise "Unsupported model type, supported models are: #{Model.supported_models.join(', ')}"
         end
@@ -59,9 +59,7 @@ class IMICFPS
       render_bounding_box(@model.bounding_box) if $debug
       @model.objects.each {|o| render_bounding_box(o.bounding_box, o.debug_color)} if $debug
 
-      glTranslatef(x,y,z)
+      glTranslatef(@x, @y, @z)
-      glScalef(scale, scale, scale)
-
       glRotatef(@x_rotation,1.0, 0, 0)
       glRotatef(@y_rotation,0, 1.0, 0)
       glRotatef(@z_rotation,0, 0, 1.0)
@@ -78,8 +76,10 @@ class IMICFPS
       ObjectManager.objects.each do |a|
         ObjectManager.objects.each do |b|
           next if a == b
+          next if b.name == "skydome"
           if a.intersect(a.model.bounding_box, b.model.bounding_box)
             if a.name == "tree"
+              puts "#{b.name} is touching me"
               a.y_rotation+=0.01
             end
           end
@@ -112,9 +112,9 @@ class IMICFPS
      if (a.min_x <= b.max_x && a.max_x >= b.min_x) &&
         (a.min_y <= b.max_y && a.max_y >= b.min_y) &&
         (a.min_z <= b.max_z && a.max_z >= b.min_z)
-       true
+       return true
      else
-       false
+       return false
      end
    end
 

lib/wavefront/model.rb

@@ -11,13 +11,14 @@ class IMICFPS
       include Parser
 
       attr_accessor :objects, :materials, :vertexes, :texures, :normals, :faces
-      attr_accessor :x, :y, :z
+      attr_accessor :x, :y, :z, :scale
       attr_reader :bounding_box
 
-      def initialize(object = "objects/cube.obj")
+      def initialize(file_path:, x: 0, y: 0, z: 0, scale: MODEL_METER_SCALE)
-        @x, @y, @z = 0, 0, 0
+        @x, @y, @z = x, y, z
-        @object_path = object
+        @scale = scale
-        @file = File.open(object, 'r')
+        @file_path = file_path
+        @file = File.open(file_path, 'r')
         @material_file  = nil
         @current_object = nil
         @current_material=nil
@@ -33,7 +34,7 @@ class IMICFPS
         @bounding_box = BoundingBox.new(nil,nil,nil, nil,nil,nil)
         start_time = Time.now
         parse
-        puts "#{object.split('/').last} took #{(Time.now-start_time).round(2)} seconds to parse"
+        puts "#{@file_path.split('/').last} took #{(Time.now-start_time).round(2)} seconds to parse"
         p @bounding_box
 
         face_count = 0

lib/wavefront/object.rb

@@ -1,10 +1,11 @@
 class IMICFPS
   class Wavefront
     class Object
-      attr_reader :name, :vertices, :textures, :normals, :bounding_box, :debug_color
+      attr_reader :parent, :name, :vertices, :textures, :normals, :bounding_box, :debug_color
       attr_accessor :faces
 
-      def initialize(name)
+      def initialize(parent, name)
+        @parent = parent
         @name = name
         @vertices = []
         @textures = []
@@ -28,9 +29,9 @@ class IMICFPS
           @faces.each do |face|
             [face[0]].each do |v|
               next unless v
-              list << v.x
+              list << v.x*@parent.scale#+@parent.x
-              list << v.y
+              list << v.y*@parent.scale#+@parent.y
-              list << v.z
+              list << v.z*@parent.scale#+@parent.z
               list << v.weight
             end
           end

lib/wavefront/parser.rb

@@ -52,7 +52,7 @@ class IMICFPS
       end
 
       def parse_mtllib
-        file = File.open(@object_path.sub(File.basename(@object_path), '')+@material_file, 'r')
+        file = File.open(@file_path.sub(File.basename(@file_path), '')+@material_file, 'r')
         file.readlines.each do |line|
           array = line.strip.split(' ')
           case array.first
@@ -78,7 +78,7 @@ class IMICFPS
       end
 
       def change_object(name)
-        @objects << Object.new(name)
+        @objects << Object.new(self, name)
         @current_object = @objects.last
       end
 

lib/window.rb

@@ -19,14 +19,14 @@ class IMICFPS
       @number_of_faces = 0
       @draw_skydome = true
       @skydome = Model.new(type: :obj, file_path: "objects/skydome.obj", x: 0, y: 0,z: 0, scale: 1, backface_culling: false)
-      Model.new(type: :obj, file_path: "objects/cube.obj", x: 0,y: 1,z: -2, scale: 0.0005)
+      @actor = Model.new(type: :obj, file_path: "objects/biped.obj", x: 1, y: 0, z: 0)
-      Model.new(type: :obj, file_path: "objects/biped.obj", x: 1, y: 0, z: 0)
       Model.new(type: :obj, file_path: "objects/tree.obj", x: 3)
       # Model.new(type: :obj, file_path: "objects/tree.obj", z: -5)
       # Model.new(type: :obj, file_path: "objects/tree.obj", x: -2, z: -6)
       # Model.new(type: :obj, file_path: "objects/sponza.obj", scale: 1, y: -0.2)
 
       @camera = Camera.new
+      @camera.bind_model(@actor)
 
       @crosshair_size = 10
       @crosshair_thickness = 3
@@ -77,7 +77,8 @@ class IMICFPS
       OpenGL Shader Language Version: #{glGetString(GL_SHADING_LANGUAGE_VERSION)}~
       ~
       Vertical Angle: #{@camera.vertical_angle.round(2)} Horizontal Angle: #{@camera.horizontal_angle.round(2)} ~
-      X:#{@camera.x.round(2)} Y:#{@camera.y.round(2)} Z:#{@camera.z.round(2)} ~
+      Camera X:#{@camera.x.round(2)} Y:#{@camera.y.round(2)} Z:#{@camera.z.round(2)} ~
+      Actor X:#{@camera.bound_model.x.round(2)} Y:#{@camera.bound_model.y.round(2)} Z:#{@camera.bound_model.z.round(2)} ~
       FOV: #{@camera.field_of_view} ~
       Mouse Sesitivity: #{@camera.mouse_sensitivity} ~
       Faces: #{@number_of_faces} ~