cyberarm/i-mic-fps
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Moved OpenGL renderering code into its own class for future optimizations

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Cyberarm
2018-09-20 09:07:39 -05:00
parent aa4a905bd8
commit 35b5ee948a
9 changed files with 294 additions and 241 deletions
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51
lib/wavefront/model.rb
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@@ -12,7 +12,7 @@ class IMICFPS
attr_accessor :objects, :materials, :vertices, :texures, :normals, :faces
attr_accessor :x, :y, :z, :scale, :game_object
attr_reader :bounding_box
attr_reader :bounding_box, :model_has_texture, :textured_material
def initialize(file_path:, game_object: nil)
@game_object = game_object
@@ -51,55 +51,6 @@ class IMICFPS
end
end
def draw(x,y,z, scale, back_face_culling)
@x,@y,@z,@scale,@back_face_culling = x,y,z, scale, back_face_culling
@objects.each_with_index do |o, i|
glEnable(GL_CULL_FACE) if back_face_culling
glEnable(GL_COLOR_MATERIAL)
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE)
glShadeModel(GL_FLAT) unless o.faces.first[4]
glShadeModel(GL_SMOOTH) if o.faces.first[4]
glEnableClientState(GL_VERTEX_ARRAY)
glEnableClientState(GL_COLOR_ARRAY)
glEnableClientState(GL_NORMAL_ARRAY)
if @model_has_texture
glEnable(GL_TEXTURE_2D)
glBindTexture(GL_TEXTURE_2D, @materials[@textured_material].texture_id)
glEnableClientState(GL_TEXTURE_COORD_ARRAY)
glTexCoordPointer(3, GL_FLOAT, 0, o.flattened_textures)
end
glVertexPointer(4, GL_FLOAT, 0, o.flattened_vertices)
glColorPointer(3, GL_FLOAT, 0, o.flattened_materials)
glNormalPointer(GL_FLOAT, 0, o.flattened_normals)
glDrawArrays(GL_TRIANGLES, 0, o.flattened_vertices_size/4)
if $debug
glDisable(GL_LIGHTING)
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
glPolygonOffset(2, 0.5)
glLineWidth(3)
glDrawArrays(GL_TRIANGLES, 0, o.flattened_vertices_size/4)
glLineWidth(1)
glPolygonOffset(0, 0)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
glEnable(GL_LIGHTING)
end
glDisableClientState(GL_VERTEX_ARRAY)
glDisableClientState(GL_COLOR_ARRAY)
glDisableClientState(GL_NORMAL_ARRAY)
if @model_has_texture
glDisableClientState(GL_TEXTURE_COORD_ARRAY)
# glBindTexture(GL_TEXTURE_2D, 0)
glDisable(GL_TEXTURE_2D)
end
glDisable(GL_CULL_FACE) if back_face_culling
glDisable(GL_COLOR_MATERIAL)
end
$window.number_of_faces+=self.faces.size
end
def update
@x, @y, @z = @game_object.x, @game_object.y, @game_object.z
@scale = @game_object.scale