! Copyright (C) 2007, 2008 Alex Chapman
! See http://factorcode.org/license.txt for BSD license.
-USING: accessors colors combinators float-arrays jamshred.log jamshred.oint jamshred.sound jamshred.tunnel kernel locals math math.constants math.order math.ranges math.vectors math.matrices sequences shuffle strings system ;
+
+USING: accessors colors combinators jamshred.oint
+jamshred.sound jamshred.tunnel kernel math math.order
+math.vectors ranges sequences specialized-arrays
+strings system ;
+QUALIFIED-WITH: alien.c-types c
+SPECIALIZED-ARRAY: c:float
IN: jamshred.player
TUPLE: player < oint
{ speed float } ;
! speeds are in GL units / second
-: default-speed ( -- speed ) 1.0 ;
-: max-speed ( -- speed ) 30.0 ;
+CONSTANT: default-speed 1.0
+CONSTANT: max-speed 30.0
: <player> ( name sounds -- player )
- [ F{ 0 0 5 } F{ 0 0 -1 } F{ 0 1 0 } F{ -1 0 0 } ] 2dip
+ [ float-array{ 0 0 5 } float-array{ 0 0 -1 } float-array{ 0 1 0 } float-array{ -1 0 0 } ] 2dip
f f 0 default-speed player boa ;
: turn-player ( player x-radians y-radians -- )
- >r over r> left-pivot up-pivot ;
+ overd left-pivot up-pivot ;
: roll-player ( player z-radians -- )
forward-pivot ;
: to-tunnel-start ( player -- )
- [ tunnel>> first dup location>> ]
- [ tuck (>>location) (>>nearest-segment) ] bi ;
+ dup tunnel>> first
+ [ >>nearest-segment ]
+ [ location>> >>location ] bi drop ;
: play-in-tunnel ( player segments -- )
>>tunnel to-tunnel-start ;
-: update-nearest-segment ( player -- )
- [ tunnel>> ] [ dup nearest-segment>> nearest-segment ]
- [ (>>nearest-segment) ] tri ;
-
: update-time ( player -- seconds-passed )
- millis swap [ last-move>> - 1000 / ] [ (>>last-move) ] 2bi ;
+ nano-count swap [ last-move>> - 1,000,000,000 / ] [ last-move<< ] 2bi ;
-: moved ( player -- ) millis swap (>>last-move) ;
+: moved ( player -- ) nano-count swap last-move<< ;
: speed-range ( -- range )
- max-speed [0,b] ;
+ max-speed [0..b] ;
: change-player-speed ( inc player -- )
- [ + speed-range clamp-to-range ] change-speed drop ;
+ [ + 0 max-speed clamp ] change-speed drop ;
: multiply-player-speed ( n player -- )
- [ * speed-range clamp-to-range ] change-speed drop ;
+ [ * 0 max-speed clamp ] change-speed drop ;
: distance-to-move ( seconds-passed player -- distance )
speed>> * ;
: almost-to-collision ( player -- distance )
distance-to-collision 0.1 - dup 0 < [ drop 0 ] when ;
-: from ( player -- radius distance-from-centre )
+: from ( player -- radius distance-from-center )
[ nearest-segment>> dup radius>> swap ] [ location>> ] bi
- distance-from-centre ;
+ distance-from-center ;
: distance-from-wall ( player -- distance ) from - ;
-: fraction-from-centre ( player -- fraction ) from swap / ;
+: fraction-from-center ( player -- fraction ) from swap / ;
: fraction-from-wall ( player -- fraction )
- fraction-from-centre 1 swap - ;
+ fraction-from-center 1 swap - ;
: update-nearest-segment2 ( heading player -- )
2dup distance-to-heading-segment-area 0 <= [
[ tunnel>> ] [ nearest-segment>> rot heading-segment ]
- [ (>>nearest-segment) ] tri
+ [ nearest-segment<< ] tri
] [
2drop
] if ;
:: move-player-on-heading ( d-left player distance heading -- d-left' player )
- [let* | d-to-move [ d-left distance min ]
- move-v [ d-to-move heading n*v ] |
- move-v player location+
- heading player update-nearest-segment2
- d-left d-to-move - player ] ;
+ d-left distance min :> d-to-move
+ d-to-move heading n*v :> move-v
+
+ move-v player location+
+ heading player update-nearest-segment2
+ d-left d-to-move - player ;
: distance-to-move-freely ( player -- distance )
[ almost-to-collision ]
?move-player-freely over 0 > [
! bounce
drag-player
- (move-player)
] when ;
: move-player ( player -- )
[ update-time ] [ distance-to-move ] [ (move-player) 2drop ] tri ;
: update-player ( player -- )
- [ move-player ] [ nearest-segment>> white swap (>>color) ] bi ;
+ [ move-player ] [ nearest-segment>> COLOR: white swap color<< ] bi ;