Apple Motion 5.1.1 - Manual (Page 951)

Chapter 21 3D compositing 951
Spot lights and shadow shading
With spot lights, enabling shadows but disabling shading can create a seemingly strange result
where the shadow is suddenly cut off because it has exceeded the scope of the light cone.
Because the shading effect of the light cone is turned off, the shadow edge looks unnatural.
To correct such an occurrence, increase the Cone Angle in the Light Inspector.
Disable shadows
Rendering shadows can significantly impact playback performance. You can temporarily disable
shadows to improve playback speed while working on other aspects of your project.
To disable rendering of shadows
m From the Render pop-up menu in the status bar, choose Shadows (or press Control-Option-S).
Reflections
Reflections overview
In the real world, all objects exhibit some degree of reflectivity based on surface shine,
brightness, angle of view, and proximity to reflected objects. Motion simulates this natural
effect, equipping every object with a set of parameters to create and control realistic-looking
reflections. When reflections are enabled for an object, all other objects in the scene are reflected
but may only be visible from specific angles and distances.
Reflection controls
Reflections are controlled by adjusting settings in the Reflection section of Properties Inspector.
Reflection Parameters in the Properties Inspector
•
Reflection: This checkbox enables reflections based on the settings of the parameters in the
group. (When selected, the checkbox turns blue.)
•
Reflectivity: This slider controls how shiny the object’s surface appears. 0% indicates no
reflectivity, while 100% is perfectly reflective, like a mirror.
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