@@ -48,6 +48,11 @@ class Engine # Fonts @fonts = {} + + # Stats + @stats = { + :fps => {} + } end @@ -64,6 +69,7 @@ class Engine init_fonts() init_models() init_objects() + init_fps() end @@ -176,6 +182,7 @@ class Engine until(@state[:done]) do @state[:frame] += 1 update_time() + update_fps() do_events() update_view() do_frame() @@ -223,6 +230,7 @@ class Engine set_view_3d() set_world_lights() draw_view() + set_projection_2d() set_lighting_2d() draw_fps() end @@ -703,8 +711,7 @@ class Engine #------------------------------------------- def draw_fps() base = @fonts[:numbers][:base] - d_time = (@world[:d_time] > 0.0) ? @world[:d_time] : 0.001 - fps = (1 / d_time).to_i + fps = @stats[:fps][:cur_fps] glColor(1, 1, 1) glRasterPos(10, 10, 0) @@ -717,6 +724,48 @@ class Engine def set_lighting_2d() glDisable(GL_LIGHTING) end + + + #------------------------------------------- + def set_projection_2d() + w = @conf[:width] + h = @conf[:height] + + glMatrixMode(GL_PROJECTION) + glLoadIdentity() + gluOrtho2D(0, w, 0, h) + + glMatrixMode(GL_MODELVIEW) + glLoadIdentity() + + glDisable(GL_DEPTH_TEST) + end + + + #------------------------------------------- + def init_fps() + @stats[:fps][:cur_fps] = 0 + @stats[:fps][:last_frame] = 0 + @stats[:fps][:last_time] = @world[:time] + end + + + #------------------------------------------- + def update_fps() + frame = @state[:frame] + time = @world[:time] + + d_frame = frame - @stats[:fps][:last_frame] + d_time = time - @stats[:fps][:last_time] + + d_time = (d_time > 0.0) ? d_time : 0.001 + + if (d_time >= 0.2) + @stats[:fps][:last_frame] = frame + @stats[:fps][:last_time] = time + @stats[:fps][:cur_fps] = (d_frame.to_f / d_time.to_f).to_i + end + end end engine-test/engine.rb 66eb92bb898fa19b9a0f4c96dbf4951e5f66b1ce pharaun pharaun666@gmail.com http://github.com/pharaun/ruby-tile/commit/cf2f602052bf06c9048b42ece9cdf841c0bcbc27 cf2f602052bf06c9048b42ece9cdf841c0bcbc27 2009-07-21T18:03:32-07:00 2009-07-21T18:03:32-07:00 Finished the tutorial and finished the FPS counter, and smoothed it out, its hitting about 4-5 thousand FPS which is not too bad but its a simple setup so... e236617af52d6ae739b5688db5eec75492882e73 pharaun pharaun666@gmail.com