class DXRuby::Tiled::StaggeredLayer
Public Class Methods
new(data, map)
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Calls superclass method
# File lib/dxruby_tiled/layer_staggered.rb, line 4 def initialize(data, map) super @stagger_axis_y = map.stagger_axis_y @stagger_index_odd = map.stagger_index_odd end
pixel_height(map)
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# File lib/dxruby_tiled/layer_staggered.rb, line 117 def self.pixel_height(map) map.stagger_axis_y ? map.tile_height * (map.height + 1) / 2 : map.tile_height * map.height + map.tile_height / 2 end
pixel_width(map)
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# File lib/dxruby_tiled/layer_staggered.rb, line 111 def self.pixel_width(map) map.stagger_axis_y ? map.tile_width * map.width + map.tile_width / 2 : map.tile_width * (map.width + 1) / 2 end
Public Instance Methods
draw(pos_x, pos_y, target = DXRuby::Window, z = @z_index, offset_x = 0, offset_y = 0, opacity = 1.0)
Alias for: render
render(pos_x, pos_y, target = DXRuby::Window, z = @z_index, offset_x = 0, offset_y = 0, opacity = 1.0)
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Calls superclass method
# File lib/dxruby_tiled/layer_staggered.rb, line 10 def render(pos_x, pos_y, target = DXRuby::Window, z = @z_index, offset_x = 0, offset_y = 0, opacity = 1.0) super pos_x, pos_y = 0, 0 if @fixed tile_width2 = @tile_width / 2 tile_height2 = @tile_height / 2 off_x = offset_x + @offset_x - pos_x off_y = offset_y + @offset_y - pos_y x1, y1 = xy_at(@tile_width - @tilesets.tile_right - off_x, @tile_height - @tilesets.tile_bottom - off_y) x2, y2 = xy_at(@render_target.width - @tilesets.tile_left - off_x - 1, @render_target.height - @tilesets.tile_top - off_y - 1) x_range = ((x1 - 1)..(x2 + 1)) y_range = ((y1 - 1)..(y2 + 1)) if @stagger_axis_y y_range.public_send(@renderorder_y ? :each : :reverse_each) do |y| x0 = @stagger_index_odd ^ y.even? ? tile_width2 : 0 x_range.public_send(@renderorder_x ? :each : :reverse_each) do |x| @tilesets[self[x, y]].render( x * @tile_width + off_x + x0, y * tile_height2 + off_y, @render_target) end end else y_range.public_send(@renderorder_y ? :each : :reverse_each) do |y| x_range.public_send(@renderorder_x ? :each : :reverse_each) do |x| next if @stagger_index_odd ^ x.even? @tilesets[self[x, y]].render( x * tile_width2 + off_x, y * @tile_height + off_y, @render_target) end x_range.public_send(@renderorder_x ? :each : :reverse_each) do |x| next unless @stagger_index_odd ^ x.even? @tilesets[self[x, y]].render( x * tile_width2 + off_x, y * @tile_height + off_y + tile_height2, @render_target) end end end target.draw_alpha(0, 0, @render_target, @opacity * 255, z + @z_index) end
Also aliased as: draw
vertexs(x, y)
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# File lib/dxruby_tiled/layer_staggered.rb, line 89 def vertexs(x, y) w, h = @tile_width / 2, @tile_height / 2 if @stagger_axis_y x0 = @stagger_index_odd ^ y.even? ? w : 0 return [ [ x0 + x * w * 2 + w , y * h ], [ x0 + x * w * 2 , y * h + h ], [ x0 + x * w * 2 + w , y * h + h * 2 ], [ x0 + x * w * 2 + w * 2, y * h + h ] ] else y0 = @stagger_index_odd ^ x.even? ? h : 0 return [ [ x * w + w , y0 + y * h * 2 ], [ x * w , y0 + y * h * 2 + h ], [ x * w + w , y0 + y * h * 2 + h * 2 ], [ x * w + w * 2, y0 + y * h * 2 + h ] ] end end
xy_at(pos_x, pos_y)
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# File lib/dxruby_tiled/layer_staggered.rb, line 58 def xy_at(pos_x, pos_y) if @stagger_axis_y y = (pos_y * 2 / @tile_height).floor pos_x -= @tile_width / 2 if @stagger_index_odd ^ y.even? x = (pos_x / @tile_width).floor dx = pos_x % @tile_width dy = pos_y % (@tile_height / 2) if (dy < @tile_height / 2 - dx * @tile_height / @tile_width) y -= 1 x += @stagger_index_odd ^ y.even? ? -1 : 0 elsif (dy < dx * @tile_height / @tile_width - @tile_height / 2) y -= 1 x += @stagger_index_odd ^ y.even? ? 0 : 1 end else x = (pos_x * 2 / @tile_width).floor pos_y -= @tile_height / 2 if @stagger_index_odd ^ x.even? y = (pos_y / @tile_height).floor dx = pos_x % (@tile_width / 2) dy = pos_y % @tile_height if (dy < @tile_height / 2 - dx * @tile_height / @tile_width) x -= 1 y += @stagger_index_odd ^ x.even? ? -1 : 0 elsif (dy > dx * @tile_height / @tile_width + @tile_height / 2) x -= 1 y += @stagger_index_odd ^ x.even? ? 0 : 1 end end return x, y end