126 lines
4.8 KiB
Scheme
126 lines
4.8 KiB
Scheme
#lang scheme/base
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(require scheme/class fluxus-016/drflux "logic.ss" "view.ss")
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(provide (all-defined-out))
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; reads input events and tells the logic side what to do
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(define controller%
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(class object%
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(init-field
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(game-view #f))
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(field
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(fwd (vector 0 0 1))
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(up (vector 0 1 0))
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(pos (vector 0 0 0))
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(mtx (mident))
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(cam (build-locator))
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(current-twig #f)
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(current-twig-growing #f)
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(current-point 0)
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(tilt 0)
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(yaw 0)
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(player-plant #f))
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(define/public (set-player-plant s)
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(set! player-plant s))
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(define/public (get-cam-obj)
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cam)
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(define/public (set-pos s)
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(set! pos s))
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(define/public (set-fwd s)
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(set! fwd s))
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(define/public (get-fwd)
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fwd)
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(define/public (setup)
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(lock-camera cam)
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(camera-lag 0.2)
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(clip 1 1000)
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(set-camera-transform (mtranslate (vector 0 0 -4))))
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(define/public (update)
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(when (key-pressed-this-frame " ")
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(cond ((and current-twig (not current-twig-growing))
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(let ((new-twig (send current-twig add-twig current-point
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(vector 0 1 0) #;(vsub (send current-twig get-point current-point)
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(send current-twig get-point (- current-point 1))))))
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(set! current-twig-growing #t)
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(set! current-twig new-twig)))
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(else
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(set! current-twig (make-object twig-logic% (vector 0 0 0) 0 player-plant 'root
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(vmul fwd -1)
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start-twig-width max-twig-points 'extruded))
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(send player-plant add-twig current-twig)
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(set! current-twig-growing #t))))
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(when (or (key-pressed "a") (key-special-pressed 100)) (set! yaw (+ yaw 2)))
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(when (or (key-pressed "d") (key-special-pressed 102)) (set! yaw (- yaw 2)))
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(when (or (key-pressed "w") (key-special-pressed 101)) (set! tilt (+ tilt 2)))
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(when (or (key-pressed "s") (key-special-pressed 103)) (set! tilt (- tilt 2)))
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; clamp tilt to prevent gimbal lock
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(when (> tilt 88) (set! tilt 88))
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(when (< tilt -88) (set! tilt -88))
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(when (not current-twig-growing)
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(when (key-pressed-this-frame "q")
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(cond ((not current-twig)
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(set! current-twig (send player-plant get-twig-from-dir (vmul fwd -1)))
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(set! current-point 2))
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(else
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(when (< current-point (- (send current-twig get-num-points) 1))
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(set! current-point (+ current-point 1))))))
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(when (key-pressed-this-frame "z")
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(cond (current-twig
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(set! current-point (- current-point 1))
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(when (< current-point 2)
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(set! current-twig #f)
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(set! pos (vector 0 0 0))
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#;(set-camera-transform (mtranslate (vector 0 0 -1))))))))
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; get camera fwd vector from key-presses
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(set! fwd (vtransform (vector 0 0 1)
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(mmul
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(mrotate (vector 0 yaw 0))
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(mrotate (vector tilt 0 0)))))
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; if we are on a twig not growing
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(cond ((and current-twig (not current-twig-growing))
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(set! pos (send current-twig get-point current-point))
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#;(when (> current-point 0)
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(set! fwd (vmix fwd (vnormalise (vsub (send current-twig get-point
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(- current-point 1))
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pos)) 0.5))))
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(else
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(when current-twig-growing
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(let ((twig-view (send (send game-view get-plant (send player-plant get-id))
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get-twig (send current-twig get-id))))
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(when twig-view
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(set! pos (vsub (send twig-view get-end-pos)
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(vmul (send current-twig get-dir) 1)))))
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(when (eq? (send current-twig get-num-points)
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(send current-twig get-length))
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(set! current-twig-growing #f)
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(set! current-point (- (send current-twig get-num-points) 1))))))
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(let* ((side (vnormalise (vcross up fwd)))
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(up (vnormalise (vcross fwd side))))
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(with-primitive cam
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(identity)
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(concat (vector (vx side) (vy side) (vz side) 0
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(vx up) (vy up) (vz up) 0
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(vx fwd) (vy fwd) (vz fwd) 0
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(vx pos) (vy pos) (vz pos) 1)))))
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(super-new)))
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