Global Variable

SCNNormalTransform

A 4 x 4 matrix for transforming surface normal vectors from model space to view (or eye) space.

Declaration

NSString *const SCNNormalTransform;

See Also

Mapping GLSL Symbols to SceneKit Semantics

- setSemantic:forSymbol:options:

Associates a SceneKit semantic identifier with the specified GLSL vertex attribute or uniform variable.

SCNProgramMappingChannelKey

The mapping channel to be used for a texture coordinate semantic.

- semanticForSymbol:

Returns the SceneKit semantic identifiers associated with the specified GLSL vertex attribute or uniform variable.

SCNModelTransform

A 4 x 4 matrix for transforming coordinates from model space to scene (or world) space.

SCNModelViewProjectionTransform

A 4 x 4 matrix containing the concatenation of the Model, View, and Projection transformations.

SCNModelViewTransform

A 4 x 4 matrix containing the concatenation of the Model and View transformations.

SCNProjectionTransform

A 4 x 4 matrix for transforming coordinates from view (or eye) space to clip space.

SCNViewTransform

A 4 x 4 matrix for transforming coordinates from scene (or world) space to view (or eye) space.