6 modules - PI-VR GmbH

7.1 Truelight Materials» Sort Key (OpenGL): Controls the order of drawing transparent surfaces.» Environment: Click Right Mouse Button to select the HDR-Image to be used aslight source. See Sphere Environment material.» Lighting Mode: The Lighting Mode menu sets the light model to be used forthe shader. There are five different lighting models.• IBL + Indirect + Direct Lights: The shader will be affected by the HDR-Image, by the pre-calculated or interactive Global Illumination renderingand by the direct light sources placed in the scene.• IBL + Indirect: The shader will be affected by the HDR-Image and by thepre-calculated or interactive Global Illumination rendering.• IBL + Direct Lights: The shader will be affected by the HDR-Image and thedirect light sources placed in the scene.• IBL: Only the HDR-Image affects the shader.• Direct Lights: Only direct light sources placed in the scene affect the shader.229