@@ -148,46 +148,37 @@ class PandaBall < Sprite def _draw_sdl( camera ) trans = camera.world_to_screen(:pos => @body.p, :size => @size) - trans[:size] *= 23.0 + trans[:size] *= 22.0 camera.mode.surface.draw_circle_s( trans[:pos].to_ary, trans[:size], @color ) - - rect = Rect.new(0,0,trans[:size]*2,trans[:size]*2) - rect.center = trans[:pos].to_ary - - camera.mode.dirty_rects << rect - - super - end - - def _undraw_sdl( camera ) - trans = camera.world_to_screen(:pos => @body.p, :size => @size) - trans[:size] *= 23.0 - - rect = Rect.new(0,0,trans[:size]*2+2,trans[:size]*2+2) + + rect_size = 2*trans[:size]+4 # extra padding + + rect = Rect.new( [0, 0, rect_size, rect_size] ) rect.center = trans[:pos].to_ary - - bg = camera.mode.background - bg.blit( camera.mode.surface, rect, rect ) - - camera.mode.dirty_rects << rect - + + @_dirty_rects << rect + super end end # Create the SDL window -screen = Screen.set_mode([320,240]) -#screen = Screen.set_mode([640,480]) +#screen = Screen.set_mode([320,240]) +screen = Screen.set_mode([640,480]) # Make the background surface background = Surface.new(screen.size) -camera_mode = Camera::RenderModeSDL.new(screen, background, screen.make_rect, 1.0) -scene = Scene.new( camera_mode ) +camera_options = { + :mode => Camera::RenderModeSDL.new(screen, background, screen.make_rect, 1.0), + :size => screen.size +} +scene = Scene.new( camera_options ) -#scene.camera.position = vect(160,120) -#scene.camera.zoom = 2 +scene.camera.position = vect(160,150) +#scene.camera.position = vect(320,240) +scene.camera.rotation = 0.4 scene.space.gravity = vect(0,400) @@ -216,6 +207,39 @@ class << scene @camera.mode.surface.update end + def rotate_cw + @camera.rotation += 0.2 + end + + def rotate_ccw + @camera.rotation -= 0.2 + end + + def zoom_in + @camera.zoom *= 1.1 + end + + def zoom_out + @camera.zoom *= 0.9 + @camera.zoom = 0.1 if @camera.zoom < 0.1 + end + + def move_left + @camera.position.x -= 25 + end + + def move_right + @camera.position.x += 25 + end + + def move_up + @camera.position.y -= 25 + end + + def move_down + @camera.position.y += 25 + end + end p = PandaBall.new( scene, vect(100,50) ) @@ -224,6 +248,14 @@ p.name = "George" # When the event on the left happens, call the method on the right. # It's so easy, it's magic! scene.magic_hooks(:mouse_right => :add_panda, + :mouse_wheel_up => :zoom_in, + :mouse_wheel_down => :zoom_out, + :left => :move_left, + :right => :move_right, + :up => :move_up, + :down => :move_down, + :comma => :rotate_ccw, + :period => :rotate_cw, :print_screen => :take_screenshot, :r => :refresh, :s => :toggle_smooth, @@ -231,6 +263,7 @@ scene.magic_hooks(:mouse_right => :add_panda, :escape => Proc.new{ throw :quit }, QuitEvent => Proc.new{ throw :quit }) + puts "Left click and hold = grab ball" puts "Middle click = bounce ball" puts "Right click = create Ball" @@ -257,6 +290,25 @@ floor = Sprite.new( scene ) { @name = "floor" } +class << floor + + def _draw_sdl( camera ) + surf = camera.mode.surface + @shapes.each { |s| + a = scene.camera.world_to_screen(:pos => s.ta)[:pos].to_a + b = scene.camera.world_to_screen(:pos => s.tb)[:pos].to_a + surf.draw_line_a( a, b, :black ) + + left, right = [a[0], b[0]].sort + top, bottom = [a[1], b[1]].sort + @_dirty_rects << Rect.new( [left, top, right-left+5, bottom-top+5] ) + } + + super + end + +end + # Filling with colors in a variety of ways background.fill( Color::ColorRGB.new([0.1, 0.2, 0.35]) ) @@ -264,10 +316,6 @@ background.fill( :black, [70,120,80,80] ) background.fill( "dark red", [80,110,80,80] ) -floor.shapes.each { |s| - background.draw_line_a( scene.camera.world_to_screen(:pos => s.ta)[:pos], - scene.camera.world_to_screen(:pos => s.tb)[:pos], :black ) -} # Refresh the screen once. During the loop, we'll use 'dirty rect' updating # to refresh only the parts of the screen that have changed. samples/demo_rubygame3.rb 24de8b9c314dff24f3211c49ac1507438a8d589d John Croisant jacius@gmail.com http://github.com/jacius/rubygame/commit/1190a32d6547d3d4518147039f2c4954f7a17272 1190a32d6547d3d4518147039f2c4954f7a17272 2008-05-18T10:06:16-07:00 2008-05-18T10:06:16-07:00 Moved trunk to branches/3.0.0 43dcc3f0cc603543bef04296d3ec30dab3303256 John Croisant jacius@gmail.com