Class: Processing::Shader

Inherits:
Object
  • Object
show all
Includes:
Xot::Inspectable
Defined in:
lib/processing/shader.rb

Overview

Shader object.

See Also:

Instance Method Summary collapse

Constructor Details

#initialize(vertSrc, fragSrc) ⇒ Shader

Initialize shader object.



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# File 'lib/processing/shader.rb', line 18

def initialize(vertSrc, fragSrc)
  @shader = Rays::Shader.new modifyFragSource__(fragSrc), vertSrc, ENV__
end

Instance Method Details

#set(name, a) ⇒ Object #set(name, a, b) ⇒ Object #set(name, a, b, c) ⇒ Object #set(name, a, b, c, d) ⇒ Object #set(name, nums) ⇒ Object #set(name, vec) ⇒ Object #set(name, vec, ncoords) ⇒ Object #set(name, tex) ⇒ Object Also known as: setUniform

Sets uniform variables.

See Also:



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# File 'lib/processing/shader.rb', line 46

def set(name, *args)
  arg = args.first
  case
  when Array === arg
    @shader.uniform name, *arg
  when Numeric === arg
    @shader.uniform name, *args
  when Vector === arg
    vec, ncoords = args
    @shader.uniform name, vec.getInternal__.to_a(ncoords || 3)
  when arg.respond_to?(:getInternal__)
    @shader.uniform name, arg.getInternal__
  else
    raise ArgumentError
  end
end