private void CreateDirectionalLight(Assimp.Light light, Spatial spatial)
{
DirectionalLight dl = new DirectionalLight();
dl.Ambient = ConvertColor(light.ColorAmbient);
dl.Diffuse = ConvertColor(light.ColorDiffuse);
dl.Specular = ConvertColor(light.ColorSpecular);
dl.Direction = ConvertVector3(light.Direction);
spatial.AddLight(dl);
}
private void CreatePointLight(Assimp.Light light, Spatial spatial)
{
PointLight pl = new PointLight();
pl.Constant = light.AttenuationConstant;
pl.Linear = light.AttenuationLinear;
pl.Quadratic = light.AttenuationQuadratic;
pl.Ambient = ConvertColor(light.ColorAmbient);
pl.Diffuse = ConvertColor(light.ColorDiffuse);
pl.Specular = ConvertColor(light.ColorSpecular);
pl.Position = ConvertVector3(light.Position);
spatial.AddLight(pl);
}
private void CreateSpotLight(Assimp.Light light, Spatial spatial)
{
SpotLight sl = new SpotLight();
sl.Constant = light.AttenuationConstant;
sl.Linear = light.AttenuationLinear;
sl.Quadratic = light.AttenuationQuadratic;
sl.Ambient = ConvertColor(light.ColorAmbient);
sl.Diffuse = ConvertColor(light.ColorDiffuse);
sl.Specular = ConvertColor(light.ColorSpecular);
sl.Position = ConvertVector3(light.Position);
sl.Direction = ConvertVector3(light.Direction);
spatial.AddLight(sl);
}
private void ParseLights(Assimp.Scene scene, Spatial root)
{
if (!scene.HasLights)
{
return;
}
Assimp.Light[] lights = scene.Lights;
Node isNode = root as Node;
for (int i = 0; i < lights.Length; i++)
{
Assimp.Light light = lights[i];
String name = light.Name;
Spatial spatial = root;
if (!String.IsNullOrEmpty(name))
{
if (isNode != null)
{
Spatial descendent = isNode.GetDescendentNamed(name);
if (descendent != null)
{
spatial = descendent;
}
}
}
switch (light.LightType)
{
case Assimp.LightSourceType.Spot:
CreateSpotLight(light, spatial);
break;
case Assimp.LightSourceType.Point:
CreatePointLight(light, spatial);
break;
case Assimp.LightSourceType.Directional:
CreateDirectionalLight(light, spatial);
break;
}
}
}
