wasd-pixel-ray ( world loc -- direction )

Vocabulary

gpu.util.wasd

Inputs

world	an object
loc	an object

Outputs

direction

an object

Definition

USING: accessors arrays kernel math math.matrices math.vectors
sequences ;

IN: gpu.util.wasd

:: wasd-pixel-ray ( world loc -- direction )
    loc world dim>> [ /f 0.5 - 2.0 * ] 2map
    world wasd-fov-vector v* first2 neg -1.0 0.0 4array
    world wasd-mv-inv-matrix swap mdotv ;