do-matrix ( quot -- )
Factor handbook » UI framework » Implementing new gadgets » Customizing gadget appearance » Implementing custom drawing logic » OpenGL utility words

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Vocabulary
opengl

Inputs

quot	a quotation

Outputs
None

Word description
Saves and restores the current matrix before and after calling the quotation.

Definition

USING: kernel opengl.gl ;

IN: opengl

: do-matrix ( quot -- ) glPushMatrix call glPopMatrix ; inline