66 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Factor
		
	
	
 | 
						|
USING: kernel namespaces threads sequences math math.vectors
 | 
						|
       opengl.gl opengl colors ui ui.gadgets ui.gadgets.slate
 | 
						|
       fry rewrite-closures vars springies accessors math.geometry.rect ;
 | 
						|
 | 
						|
IN: springies.ui
 | 
						|
 | 
						|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 | 
						|
 | 
						|
: draw-node ( node -- ) pos>> { -5 -5 } v+ [ { 10 10 } gl-rect ] with-translation ;
 | 
						|
 | 
						|
: draw-spring ( spring -- )
 | 
						|
  [ node-a>> pos>> ] [ node-b>> pos>> ] bi gl-line ;
 | 
						|
 | 
						|
: draw-nodes ( -- ) nodes> [ draw-node ] each ;
 | 
						|
 | 
						|
: draw-springs ( -- ) springs> [ draw-spring ] each ;
 | 
						|
 | 
						|
: set-projection ( -- )
 | 
						|
  GL_PROJECTION glMatrixMode
 | 
						|
  glLoadIdentity
 | 
						|
  0 world-width 1- 0 world-height 1- -1 1 glOrtho
 | 
						|
  GL_MODELVIEW glMatrixMode
 | 
						|
  glLoadIdentity ;
 | 
						|
 | 
						|
! : display ( -- ) set-projection black gl-color draw-nodes draw-springs ;
 | 
						|
 | 
						|
: display ( -- ) set-projection black gl-color draw-nodes draw-springs ;
 | 
						|
 | 
						|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 | 
						|
 | 
						|
VAR: slate
 | 
						|
 | 
						|
VAR: loop
 | 
						|
 | 
						|
: update-world-size ( -- ) slate> rect-dim >world-size ;
 | 
						|
 | 
						|
: refresh-slate ( -- ) slate> relayout-1 ;
 | 
						|
 | 
						|
DEFER: maybe-loop
 | 
						|
 | 
						|
: run ( -- )
 | 
						|
  update-world-size
 | 
						|
  iterate-system
 | 
						|
  refresh-slate
 | 
						|
  yield
 | 
						|
  maybe-loop ;
 | 
						|
 | 
						|
: maybe-loop ( -- ) loop> [ run ] when ;
 | 
						|
 | 
						|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 | 
						|
 | 
						|
: springies-window* ( -- )
 | 
						|
 | 
						|
  C[ display ] <slate>
 | 
						|
    { 800 600 } >>pdim
 | 
						|
    C[ { 500 500 } >world-size loop on [ run ] in-thread ] >>graft
 | 
						|
    C[ loop off ] >>ungraft
 | 
						|
  [ >slate ] [ "Springies" open-window ] bi ;
 | 
						|
 | 
						|
: springies-window ( -- ) [ [ springies-window* ] with-scope ] with-ui ;
 | 
						|
 | 
						|
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 | 
						|
 | 
						|
: go* ( quot -- ) '[ [ springies-window* 1000 sleep @ ] with-scope ] with-ui ;
 |