Using and extending 3D primitives¶
Primitives vs. rPrimitives
Built-in primitive types¶
Triangle
Polygon
Point
Mesh
Particles
ParticlesSprite
Extending a built-in primitive¶
Why do this?
What to subclass from
What methods to override
Adding a new custom primitive¶
Subclass from Primitive
Drawing in the 3D viewer¶
All primitives must provide methods to draw themselves in the 3D viewer. There are different drawing functions associated with different render passes:
draw_solid
draw_wireframe
Tesselating for the ScanlineRenderer¶
tesselate