'Ogre3D'에 해당되는 글 9건

sampler RT : register(s0);

void calculateMaterialColorInDirectionalLight(	float4 position			: POSITION,
								float4 normal			: NORMAL,
								float2 uv				: TEXCOORD0,
						  
								out float4 oPosition	: POSITION,
								out float3 oNormal		: COLOR,
								out float2 oUv			: TEXCOORD0,

								uniform float4x4	worldViewProj,
								uniform float4x4	world,
								uniform float3		ambient,
								uniform float		diffusePower,
								uniform float3		diffuse,
								uniform float3		lightDirection, 
								uniform float3		lightColor
								)
{
	oPosition = mul(worldViewProj, position);
	oUv = uv;
	oNormal = (normalize(mul(world, normal))).xyz;
	oNormal = diffuse * diffusePower * saturate(dot(oNormal, normalize(lightDirection)));
	oNormal = lightColor * (ambient + oNormal);
}

void calculateGrayScaleInMaterialColor(	float3 normal			: COLOR,
							float2 uv				: TEXCOORD0,
										
							out float4 oColor		: COLOR,
										
							uniform sampler2D	RT : register(s0),
							uniform float		grayRatio
							)
{
	float3 tex_col = tex2D(RT, uv).rgb * normal;
	float3 greyscale = tex_col * (1 - grayRatio) + dot(tex_col, float3(0.3, 0.59, 0.11)) * grayRatio;
	oColor = float4(greyscale, 1.0);
}

vertex_program ColorConvertor/GrayScale_vp cg
{
	source GrayScale.cg
	entry_point calculateMaterialColorInDirectionalLight
	profiles vs_1_1 arbvp1

	default_params
	{
		param_named_auto worldViewProj worldviewproj_matrix
		param_named_auto world world_matrix

		param_named ambient float3 0.2 0.2 0.2
		param_named diffusePower float 1.5
		param_named diffuse float3 0.8 0.8 0.8
		param_named lightDirection float3 0.0 2.0 2.0
		param_named lightColor float3 1.0 1.0 1.0
	}
}

fragment_program ColorConvertor/GrayScale_fp cg
{
	source GrayScale.cg
	entry_point calculateGrayScaleInMaterialColor
	profiles ps_2_0 fp30

	default_params
	{
		param_named grayRatio float 0.0
	}
}

material ColorConvertor/GrayScale
{
	technique
	{
		pass
		{
			vertex_program_ref ColorConvertor/GrayScale_vp
			{
			
			}
			// alternate shadow caster program
			fragment_program_ref ColorConvertor/GrayScale_fp
			{
			}

			texture_unit RT
			{
				texture nskingr.jpg 2d
			}
		}
	}
}

    Entity* head2 = mSceneMgr->createEntity("Head2", "ninja.mesh");
    MaterialPtr material = (Ogre::MaterialPtr)Ogre::MaterialManager::getSingleton().getByName ("ColorConvertor/GrayScale");
    head2->setMaterial(material);
    Ogre::GpuProgramParametersSharedPtr filterParams = material->getTechnique(0)->getPass(0)->getVertexProgramParameters();
    filterParams->setNamedConstant("ambient", Vector3(0.2f, 0.2f, 0.2f));
    filterParams->setNamedConstant("diffusePower", 1.5f);
    filterParams->setNamedConstant("diffuse", Vector3(0.8f, 0.8f, 0.8f));
    filterParams->setNamedConstant("lightDirection", Vector3(0.0f, 2.0f, 2.0f));
    filterParams->setNamedConstant("lightColor", Vector3(1.0f, 1.0f, 1.0f));
    Ogre::GpuProgramParametersSharedPtr filterParams2 = material->getTechnique(0)->getPass(0)->getFragmentProgramParameters();
    filterParams2->setNamedConstant("grayRatio", 0.0f);