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• #wrapCylindrical wraps the texture around the surface as though the surface were placed in

the middle of the texture and then the texture were rolled around the surface to form a

cylinder. The

wrapTransformList[textureLayerIndex] is applied to the mapping space

before the texture coordinates are generated in model space. With an identity

wrapTransformList[textureLayerIndex] (the default), the cylindrical mapping is oriented

such that the texture is wrapped from the -Y axis, starting at the left edge of the texture, toward

the +X axis, around the Z axis. The up direction of the texture is toward the +Z axis.

• #wrapSpherical wraps the texture around the surface as though the surface were placed in the

middle of the texture and then all four corners of the texture were pulled up to meet at the top.

The

wrapTransformList[textureLayerIndex] is applied to the mapping space before the

texture coordinates are generated in model space. With an identity

wrapTransformList[textureLayerIndex], the spherical mapping is located at the model

space origin and oriented such that the texture is wrapped from the -Y axis, starting at the left

edge of the texture, toward the +X axis, around the Z axis. The up direction of the texture is

toward the +Z axis.

• #reflection is similar to #wrapSpherical except that the new texture coordinates are

continuously reprojected onto the surface from a fixed orientation. When the model rotates,

the texture coordinates will not rotate with it. Simulates light reflected on an object by its

environment. This setting disables

wrapTransform.

• #diffuseLight generates diffuse light mapping texture coordinate values, one per vertex, and

stores the results in the referenced mesh. This setting disables

wrapTransform.

• #specularLight generates specular light mapping texture coordinate values, one per vertex,

and stores the results in the referenced mesh. This setting disables

wrapTransform.

Example

In this example, a shader is set up to simulate a reflective garden ball. The shader's first

textureLayer is set to a spherical mapping and the third textureLayer is set to use a #refection style

mapping. The shader’s textureList[3] entry will appear to reflected from the environment onto all

models which use this shader.

member("scene").shader("GardenBall).textureList[1] = \

member("scene").texture("FlatShinyBall")

member("scene").shader("GardenBall").textureModeList[1] = \

#wrapSpherical

member("scene").shader("GardenBall").textureList[3] = \

member("scene").texture("GardenEnvironment")

member("scene").shader("GardenBall").textureModeList[3] = \

#reflection