C++ (Cpp) Light::GetLightColour示例

Colour RayTracer::CalculateSpecularLighting(Vector3 &surfacePoint, Vector3 &surfaceNormal, Vector3 &lightPosition, Vector3 &cameraPosition, Light &light, Material &material)
{
	Colour specular;

	Vector3 halfVector = Vector3::HalfVector(cameraPosition, surfacePoint, lightPosition);
	double angle = halfVector.DotProduct(surfaceNormal);
	double power = powf(angle, material.GetSpecPower());

	specular.red = light.GetLightColour().red * material.GetSpecularColour().red * power;
	specular.green = light.GetLightColour().green * material.GetSpecularColour().green * power;
	specular.blue = light.GetLightColour().blue * material.GetSpecularColour().blue * power;

	return specular;
}

示例#2

显示文件

文件： RayTracer.cpp 项目： wyrover/RayTracer

Colour RayTracer::CalculateDiffuseLighting(Vector3 &lightNormal, Vector3 &surfaceNormal, Light &light, Material &material)
{
	Colour diffuse;
	
	double angle = lightNormal.DotProduct(surfaceNormal);

	if (angle > 0.0)
	{
		diffuse.red = light.GetLightColour().red * material.GetDiffuseColour().red * angle;
		diffuse.green = light.GetLightColour().red * material.GetDiffuseColour().green * angle;
		diffuse.blue = light.GetLightColour().red * material.GetDiffuseColour().blue * angle;
	}

	return diffuse;
}