48 lines
1.4 KiB
Factor
48 lines
1.4 KiB
Factor
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! Copyright (C) 2006, 2007 Alex Chapman
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel sequences arrays math math.vectors namespaces
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opengl opengl.gl ui.render ui.gadgets tetris.game tetris.board
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tetris.piece tetris.tetromino ;
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IN: tetris.gl
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#! OpenGL rendering for tetris
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: draw-block ( block -- )
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dup { 1 1 } v+ gl-fill-rect ;
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: draw-piece-blocks ( piece -- )
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piece-blocks [ draw-block ] each ;
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: draw-piece ( piece -- )
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dup tetromino-colour gl-color draw-piece-blocks ;
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: draw-next-piece ( piece -- )
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dup tetromino-colour clone 0.2 3 pick set-nth gl-color draw-piece-blocks ;
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! TODO: move implementation specific stuff into tetris-board
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: (draw-row) ( x y row -- )
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>r over r> nth dup
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[ gl-color 2array draw-block ] [ 3drop ] if ;
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: draw-row ( y row -- )
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dup length -rot [ (draw-row) ] 2curry each ;
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: draw-board ( board -- )
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board-rows dup length swap
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[ dupd nth draw-row ] curry each ;
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: scale-tetris ( width height tetris -- )
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[ board-width swap ] keep board-height / -rot / swap 1 glScalef ;
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: (draw-tetris) ( width height tetris -- )
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#! width and height are in pixels
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GL_MODELVIEW [
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[ scale-tetris ] keep
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dup tetris-board draw-board
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dup tetris-next-piece draw-next-piece
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tetris-current-piece draw-piece
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] do-matrix ;
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: draw-tetris ( width height tetris -- )
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origin get [ (draw-tetris) ] with-translation ;
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