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Outline.material        
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Description

Like CelShading.material this file does not provide a whole OGRE "material" but instead an abstract pass to use in your own material. You can modify the fixed-function pipeline value 'diffuse' to alter the color of the edge.

This pass comes with two floating-point variables: $edgeScale and $sinkScale.

Code

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//
// Optional pass for experimental edge outlining.
abstract pass OutlineExperiment
{
	//
	// Diffuse tweaks outline color.
	diffuse 0 0 0
	
	//
	// Multiplier for how far the black mesh protrusion is, for edge size.
	set $edgeScale 1
	
	//
	// Multiplier for how far the black edge mesh should be pushed back to reduce Z fighting.
	//
	// Best value is greater for large meshes and smaller for small meshes. You may have to
	// tweak this variable dramatically.
	set $sinkScale 1

	vertex_program_ref OutlineExperimentVP
	{
		param_named edgeScale float $edgeScale
		param_named sinkScale float $sinkScale
	}
}
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