Fix examples

Author: oprypin

examples/diagnostics.cr

@@ -7,7 +7,7 @@ $font = SF::Font.from_file("resources/font/Ubuntu-R.ttf")
 
 $window = SF::RenderWindow.new(
   SF.video_mode(800, 600), "Diagnostic information",
-  settings: SF.context_settings(depth: 32, antialiasing: 8)
+  settings: SF.context_settings(depth: 24, antialiasing: 8)
 )
 $window.framerate_limit = 30
 
@@ -207,7 +207,7 @@ class Button < SF::RectangleShape
     @text.position = SF.vector2((width - @text.global_bounds.width) / 2, -height / 20)
   end
 
-  def draw(target, states: RenderStates)
+  def draw(target, states: SF::RenderStates)
     states.transform.combine(transform)
 
     super(target, states)

examples/shapes.cr

@@ -2,7 +2,7 @@ require "crsfml"
 
 window = SF::RenderWindow.new(
   SF.video_mode(200, 200), "Shapes",
-  settings: SF.context_settings(depth: 32, antialiasing: 8)
+  settings: SF.context_settings(depth: 24, antialiasing: 8)
 )
 window.vertical_sync_enabled = true
 

examples/snakes.cr

@@ -182,7 +182,7 @@ scale = 20
 
 window = SF::RenderWindow.new(
   SF.video_mode(field.size.x*scale, field.size.y*scale), "Snakes",
-  settings: SF.context_settings(depth: 32, antialiasing: 8)
+  settings: SF.context_settings(depth: 24, antialiasing: 8)
 )
 window.vertical_sync_enabled = true
 window.framerate_limit = 10

examples/transformable.cr

@@ -15,7 +15,7 @@ class Logo
     @text.origin = SF.vector2(bounds.width / 2, bounds.height * 0.8)
   end
 
-  def draw(target, states: RenderStates)
+  def draw(target, states: SF::RenderStates)
     states.transform.combine(transform)
     target.draw(@shape, states)
     target.draw(@text, states)