Summary
Walk around on procedurally generated terrain

Metadata

Tags:	demos, opengl, graphics
Authors:	Joe Groff, Doug Coleman

Words

Tuple classes

Class	Superclass	Slots
player	tuple	location yaw pitch velocity velocity-modifier reverse-time
terrain-world	game-world	player sky-image sky-texture sky-program terrain terrain-segment terrain-texture terrain-program terrain-mesh history

Ordinary words

Word	Stack effect
(collide)	( segment location -- location' )
<player>	( -- player )
BOUNCE	( -- value )
COMPONENT-SCALE	( -- value )
FAR-PLANE	( -- value )
FOV	( -- value )
FRICTION	( -- value )
GRAVITY	( -- value )
JUMP	( -- value )
MOUSE-SCALE	( -- value )
MOVEMENT-SPEED	( -- value )
NEAR-PLANE	( -- value )
PLAYER-HEIGHT	( -- value )
PLAYER-START-LOCATION	( -- value )
SKY-PERIOD	( -- value )
SKY-SPEED	( -- value )
VELOCITY-MODIFIER-FAST	( -- value )
VELOCITY-MODIFIER-NORMAL	( -- value )
apply-friction	( velocity -- velocity' )
apply-gravity	( velocity -- velocity' )
clamp-coords	( coords dim -- coords' )
clamp-pitch	( pitch -- pitch' )
collide	( world: terrain-world player: player -- )
eye-rotate	( yaw: float pitch: float v: float-4 -- v': float-4 )
forward-vector	( player -- v )
frustum	( dim -- -x x -y y near far )
handle-input	( world -- )
jump	( player -- )
look-horizontally	( player x -- )
look-vertically	( player x -- )
pixel-indices	( coords dim -- indices )
rightward-vector	( player -- v )
rotate-leftward	( player x -- )
rotate-rightward	( player x -- )
rotate-with-mouse	( player mouse -- )
save-history	( world player -- )
scaled-velocity	( player -- velocity )
set-modelview-matrix	( gadget -- )
set-texture-parameters	( texture -- )
sky-gradient	( world -- t )
sky-theta	( world -- theta )
terrain-game	( -- )
terrain-game-attributes	( -- value )
terrain-height-at	( segment point -- height )
terrain-vertex-size	( -- value )
tick-player	( world player -- )
tick-player-forward	( world player -- )
tick-player-reverse	( world player -- )
walk-backward	( player -- )
walk-forward	( player -- )
walk-leftward	( player -- )
walk-rightward	( player -- )

Class predicate words

Word	Stack effect
player?	( object -- ? )
terrain-world?	( object -- ? )

Files


Metadata files


Children from resource:extra

Vocabulary	Summary
terrain.generation
terrain.shaders