Class: N::ShaderManager

Inherits:
Object
  • Object
show all
Defined in:
lib/n/shaders.rb

Overview

ShaderManager

Manages the shaders for the webapp.

TODO: integrate with sitemap.

Design:

  • the shader selection may be time consuming but is performed once when transforming the script, so its essentially for free (and

anyway the xsl transoformation is orders of magnitude slower)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ShaderManager

Returns a new instance of ShaderManager.



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# File 'lib/n/shaders.rb', line 135

def initialize
	@regex = []
	@shaders = []
end

Instance Attribute Details

#default_shader ⇒ Object

Returns the value of attribute default_shader.



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# File 'lib/n/shaders.rb', line 133

def default_shader
  @default_shader
end

#regex ⇒ Object

corresponding arrays



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# File 'lib/n/shaders.rb', line 132

def regex
  @regex
end

#shaders ⇒ Object

corresponding arrays



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# File 'lib/n/shaders.rb', line 132

def shaders
  @shaders
end

Instance Method Details

#add(regex, shader) ⇒ Object 



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# File 'lib/n/shaders.rb', line 144

def add(regex, shader)
	@regex << regex
	@shaders << shader
end

#delete(regex) ⇒ Object 



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# File 'lib/n/shaders.rb', line 158

def delete(regex)
	if idx = @regex.index(regex)
		@regex.delete_at(idx)
		@shaders.delete_at(idx)
	end
end

#set_default(shader) ⇒ Object 



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# File 'lib/n/shaders.rb', line 140

def set_default(shader)
	@default_shader = shader
end

#shader_for_path(path) ⇒ Object 



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# File 'lib/n/shaders.rb', line 149

def shader_for_path(path)
	@regex.each_with_index { |rx, idx|
		if path =~ rx
			return @shaders[idx]
		end
	}
	return @default_shader
end