- r -

• red : ARColourMaterial
• reflection : ARLightMaterial
• reflectivity : ARMaterialPropertyReflection
• refractivityRatio : ARLightMaterial
• rendererState : ARRenderer
• renderTarget : ARView , ARViewPort
• renderTargetCorrection : ARFullscreenManager
• renderTargets : ARRenderer
• resetThreshold : ARPlayableTexture
• rotationAnimationTime : ARFullscreenManager