Chapter 15: Building Extruded Shapes
Table Of Contents
Chapter 15: Building Extruded Shapes
Figure 15.1
A variety of cross sections, including a square, a circle, and a half circle.
Figure 15.2
A variety of spines, including a straight spine, a circle, and a spring helix.
Extruding a Cross Section along a Spine
Figure 15.3
Cross sections swept along spines to create a bar, a torus, and a helical playground slide.
Beginning and Ending Caps
Figure 15.4
A square tube created by extruding a square without building the beginning and ending caps.
Figure 15.5
Scaling the cross section at each coordinate along a spine to create a bulging bar and a beaded helix.
Automatic Cross-Section Orientation
Cross-Section Orientation
Figure 15.6
Rotating the cross section at each coordinate along a spine to create a twisted bar and a lipstick shape.
The Extrusion Node Syntax
Experimenting with Extrusions
Building a Shape Using Extrusion
Figure 15.7
An extruded cylinder built using a circular cross section swept along a straight spine.
Using Open Cross Sections
Figure 15.8
An extruded half cylinder built using half of a circular cross section swept along a straight spine.
Turning off Extrusion Caps
Figure 15.9
An extruded half cylinder with its beginning and ending caps turned off.
Using Concave Cross Sections
Figure 15.10
An extruded room using a floor plan as the cross section.
Figure 15.11
A playground slide built by extruding a half-circle cross section along a helical spine.
Figure 15.12
A torus built using a circular cross section swept along a circular spine.
Figure 15.13
A pyramid built by scaling a square cross section to 0.01 at the pyramid apex.
Figure 15.14
A vase built by scaling a circular cross section at each coordinate along a straight spine.
Figure 15.15
A bar twisted using Y-axis, cross-section rotation at each spine coordinate.
Figure 15.16
A lipstick shape created by rotating a circular cross section about the X axis as it is extruded.
Figure 15.17
A wiggling snake whose spine is animated using a CoordinateInterpolator node.