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flight-sim
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add rotation

This commit is contained in:
Dan Ballard 2011-07-17 18:04:28 -07:00
parent b6589962ce
commit 1dd2eae816
1 changed files with 16 additions and 1 deletions
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17
flight-sim.lisp
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@ -201,6 +201,13 @@
(gl:flush)
(sdl:update-display))
(defun phys-step (time)
(loop for entity across *world* do
(let ((v-angles (angles (motion entity)))
(angles (angles entity)))
(incf (aref angles 0) (* time (aref v-angles 0)))
(incf (aref angles 1) (* time (aref v-angles 1)))
(incf (aref angles 2) (* time (aref v-angles 2))))))
(defun sim-step ()
"draw a frame"
@ -215,6 +222,7 @@
(decf (aref *origin* 2) (* time *velocity*)))
(otherwise (format t "~a~%" key))))
(phys-step time)
(draw time)
@ -263,7 +271,14 @@
(make-instance 'game-object
:model *diamond-model*
:coords (vector (- (random 10) 5) (- (random 10) 5) (- (random 10) 5))
:angles (vector (random 360) (random 360) (random 360)))))))
:angles (vector (random 360) (random 360) (random 360))
:motion (make-instance 'motion
:angles (vector
(- (random 620) 310)
(- (random 620) 310)
(- (random 620) 310))))))))
(defun init ()