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flight-sim
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Profiled the engine a little and added some deftypes and decalres to 

speed it up some
This commit is contained in:
Dan Ballard 2011-07-24 13:53:35 -07:00
parent 49ab6a8554
commit 273b9dc32d
2 changed files with 53 additions and 31 deletions
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3
flight-sim.asd
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@ -6,6 +6,5 @@
#:cl-glu
#:lispbuilder-sdl)
:components ((:file "package")
(:file "flight-sim")
(:file "physics")))
(:file "flight-sim")))

77
flight-sim.lisp
View File

@ -27,11 +27,33 @@
(setf (aref arr i) (make-array w :initial-contents (car rest-list))))
arr))
(deftype point-vector () '(simple-array float (*)))
(deftype shape-vector () '(simple-array point-vector (*)))
(deftype pos-int () '(integer 0 *))
(deftype ref-vector () '(simple-array pos-int (*)))
(deftype shape-ref-vector () '(simple-array ref-vector (*)))
(defclass model ()
((vertices :initarg :vertices :accessor vertices :initform (vector))
(faces :initarg :faces :accessor faces :initform (vector))
(colors :initarg :colors :accessor colors :initform (vector))
(face-colors :initarg :face-colors :accessor face-colors :initform (vector))))
((vertices :initarg :vertices :accessor vertices :initform (vector) :type shape-vector)
(faces :initarg :faces :accessor faces :initform (vector) :type shape-ref-vector )
(colors :initarg :colors :reader colors :initform (vector) :type shape-vector)
(face-colors :initarg :face-colors :accessor face-colors :initform (vector) :type shape-ref-vector)))
(defmethod scale-colors ((model model))
(let ((colors (colors model)))
(loop for i from 0 to (1- (length colors)) do
(loop for j from 0 to 2 do
(setf (aref (aref colors i) j) (float (/ (aref (aref colors i) j) 255)))))))
(defmethod initialize-instance :after ((model model) &key)
(scale-colors model))
(defgeneric (setf colors) (colors model))
(defmethod (setf colors) (colors (model model))
(setf (slot-value model 'colors) colors)
(scale-colors model))
(defclass motion ()
((coords :initarg :coords :accessor coords :initform (vector 0 0 0))
@ -56,26 +78,29 @@
(defparameter *diamond-model*
(make-instance 'model
:vertices (make-2d-array 6 3 '((0.0 1 0) (0.5 0 0.5) (0.5 0 -0.5)
(-0.5 0 0.5) (-0.5 0 -0.5) (0.0 -1 0)))
:vertices (make-2d-array 6 3 '((0.0 1.0 0.0) (0.5 0.0 0.5) (0.5 0.0 -0.5)
(-0.5 0.0 0.5) (-0.5 0.0 -0.5) (0.0 -1.0 0.0)))
:faces (make-2d-array 8 3 '((0 3 1) (0 2 4) (0 1 2) (0 4 3)
(3 5 1) (2 5 4) (1 5 2) (4 5 3)))))
(defun make-model-3pyramid (points &key (face-colors nil) (point-colors nil)
(defun make-model-3pyramid (points &key (face-colors nil) (point-colors nil))
(make-instance 'model
:vertices points
:faces (make-2d-array 4 3 '((0 1 3) (0 2 1) (0 3 2) (1 2 3)))
:colors colors
)))
;:face-colors (if (make-2d-array 4 3 '((0 1 3) (0 2 1) (0 3 2) (1 2 3)))))
:colors (if face-colors face-colors point-colors)
:face-colors (if face-colors
(make-2d-array 4 3 '((0 0 0) (1 1 1) (2 2 2) (3 3 3)))
(make-2d-array 4 3 '((0 1 3) (0 2 1) (0 3 2) (1 2 3))))))
(defparameter *ship-model*
(make-instance 'model
:vertices (make-2d-array 4 3 '((0 0 0) (0 1 3) (-2 0 3) (2 0 3)))
:faces (make-2d-array 4 3 '((0 1 3) (0 2 1) (0 3 2) (1 2 3)))
:colors (make-2d-array 2 3 '((196 196 196) (32 32 32)))
:face-colors (make-2d-array 4 3 '((0 0 0) (0 0 0) (0 0 0) (1 1 1)))))
(make-model-3pyramid (make-2d-array 4 3 '((0.0 0.0 0.0) (0.0 1.0 3.0) (-2.0 0.0 3.0) (2.0 0.0 3.0)))
:face-colors (make-2d-array 4 3 '((196 196 196) (196 196 196) (196 196 196) (32 32 32)))))
; (make-instance 'model
; :vertices (make-2d-array 4 3 '((0 0 0) (0 1 3) (-2 0 3) (2 0 3)))
; :faces (make-2d-array 4 3 '((0 1 3) (0 2 1) (0 3 2) (1 2 3)))
; :colors (make-2d-array 2 3 '((196 196 196) (32 32 32)))
; :face-colors (make-2d-array 4 3 '((0 0 0) (0 0 0) (0 0 0) (1 1 1)))))
(defparameter *world* nil)
@ -173,30 +198,28 @@
; (append (rotate-vertex-2d (second tri) rM) '((third (second tri))))
; (append (rotate-vertex-2d (third tri) rM) (third (third tri))))))
;
(defun scale-colors (c)
(make-array 3 :initial-contents (loop for ci across c collecting (/ ci 255))))
;(defun scale-colors (c)
; (make-array 3 :initial-contents (loop for ci across c collecting (/ ci 255))))
(defun draw-triangle (tri colors)
(let ((time (- (wall-time) *start-time*)))
(declare (type shape-vector tri))
(declare (type shape-vector colors))
(gl:with-primitive :triangles
;(multiple-value-bind (red green blue) (shift-color time)
(let ((c (scale-colors (aref colors 0))))
(let ((c (aref colors 0)))
(gl:color (aref c 0) (aref c 1) (aref c 2)))
(let ((v (aref tri 0)))
(gl:vertex (aref v 0) (aref v 1) (aref v 2)))
;(multiple-value-bind (green blue red) (shift-color time)
(let ((c (scale-colors (aref colors 1))))
(let ((c (aref colors 1)))
(gl:color (aref c 0) (aref c 1) (aref c 2)))
(let ((v (aref tri 1)))
(gl:vertex (aref v 0) (aref v 1) (aref v 2)))
;(multiple-value-bind (blue green red) (shift-color time)
(let ((c (scale-colors (aref colors 2))))
(let ((c (aref colors 2)))
(gl:color (aref c 0) (aref c 1) (aref c 2)))
(let ((v (aref tri 2)))
(gl:vertex (aref v 0) (aref v 1) (aref v 2))))))
(gl:vertex (aref v 0) (aref v 1) (aref v 2)))))
(defun draw-entity (entity)
(gl:push-matrix)
@ -220,7 +243,7 @@
(loop for entity across *world* do
; only draw if its infront of me
(if (< (aref (coords (motion entity)) 2) (aref (coords *self*) 2))
(if (< (aref (coords (motion entity)) 2) (+ 10 (aref (coords *self*) 2)))
(draw-entity entity)))