TriD1 demo to import constant it uses

zap unused methods

move ViewPort definition stuff to ViewPort.pm

zap more unused imports

zap vestigial SliceTexture

zap cannot_mklist mechanism

fix PDL::Graphics::OpenGL::OO to still work with POGL_WINDOW_TYPE=x11

fix PDL::Graphics::OpenGL::OO to still work with POGL_WINDOW_TYPE=x11

zap unused ::OOGL

zap unused ::Surface, ::Mesh

zap unused file with LinesFOOOLD

zap unused imports of PDL::Graphics::OpenGL::Perl::OpenGL

change mouse control from ArcBall-like to orbiting-camera-like

Quaternion overload *,+,/,.=,!

add mult test from Math::Quaternion, order the code like Wikipedia page

add mousemove test to t/arcball.t

rename field to emphasise it stores a reference

move Arc*-specific stuff to ArcCone class

ArcBowl more precise PI, Arc{Cone,Bowl} to subclasses of ArcBall

rename Control3D.pm to actual contained package name

add tests for Quaternion, normalize_this -> fluent normalise

add tests for QuaterControllers eg ArcCone

add tests for QuaterControllers eg ArcCone

let each QuaterController decide what to do with scaling x/y

zap indirect-object notation

deal with MacOS bizarrely giving button IDs 5 and 6

deal with MacOS bizarrely giving button IDs 5 and 6

move OpenGLQ to lib/*.pd

move Rout to lib/*.pd

move POGL/ .pm to lib/