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confusion about axis positivity and trying to draw ship and starterd 

adding color to model
This commit is contained in:
Dan Ballard 2011-07-21 13:22:06 -07:00
parent 44062f0247
commit 312cd9992d
1 changed files with 38 additions and 21 deletions
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53
flight-sim.lisp
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@ -53,7 +53,8 @@
(defclass model ()
((vertices :initarg :vertices :accessor vertices :initform (vector))
(faces :initarg :faces :accessor faces :initform (vector))))
(faces :initarg :faces :accessor faces :initform (vector))
(face-colors :initarg :face-colors :accessor face-colors :initform (vector))))
(defclass motion ()
((coords :initarg :coords :accessor coords :initform (vector 0 0 0))
@ -83,13 +84,17 @@
: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)))))
(defparameter *ship-model*
(make-instance 'model
:vertices (make-2d-array 4 3 '((0 0 0) (0 1 -3) (-2 1 -3) (2 1 -3)))
:faces (make-2d-array 4 3 '((0 1 3) (0 2 1) (0 3 2) (1 2 3)))
:face-colors (make-2d-array 4 3 '((196 196 196) (196 196 196) (196 196 196) (32 32 32)))))
(defparameter *world* nil)
(defparameter *origin* (vector 0 0 -7))
;(defparameter *origin* (vector 0 0 -7))
(defparameter *self* nil) ; (make-instance 'motion :coords (vector 0 0 -11)))
(defparameter *orientation* (vector 0 1 0))
;(defparameter *orientation* (vector 0 1 0))
(defparameter *velocity* 2) ; 1 unit / second
(defparameter *acceleration* 2) ; 1 unit /second
@ -181,7 +186,7 @@
; (append (rotate-vertex-2d (third tri) rM) (third (third tri))))))
;
(defun draw-triangle (tri time)
(defun draw-triangle (tri)
(let ((time (- (wall-time) *start-time*)))
(gl:with-primitive :triangles
(multiple-value-bind (red green blue) (shift-color time)
@ -199,29 +204,39 @@
(let ((v (aref tri 2)))
(gl:vertex (aref v 0) (aref v 1) (aref v 2))))))
(defun draw (time)
;; clear the buffer
(gl:clear :color-buffer-bit :depth-buffer-bit)
;; move to eye position
(gl:translate (aref (coords *self*) 0) (aref (coords *self*) 1) (aref (coords *self*) 2)) ;; eye
(loop for entity across *world* do
;(let ((entity (aref *world* i)))
(progn
(defun draw-entity (entity)
(gl:push-matrix)
(gl:translate (aref (coords (motion entity)) 0) (aref (coords (motion entity)) 1) (aref (coords (motion entity)) 2))
(gl:rotate (aref (angles entity) 0) 1 0 0)
(gl:rotate (aref (angles entity) 1) 0 1 0)
(gl:rotate (aref (angles entity) 2) 0 0 1)
(loop for face across (faces (model entity)) do
(draw-triangle (get-vertecies face (vertices (model entity))) time))
(gl:pop-matrix)
))
(draw-triangle (get-vertecies face (vertices (model entity)))))
(gl:pop-matrix))
(defun draw (time)
;; clear the buffer
(gl:clear :color-buffer-bit :depth-buffer-bit)
;; move to eye position
(draw-entity (make-instance 'game-object :motion (make-instance 'motion :coords (vector 0 0 3)) :model *ship-model*))
(gl:translate (aref (coords *self*) 0) (- (aref (coords *self*) 1)) (- (aref (coords *self*) 2))) ;; eye
(loop for entity across *world* do
;(let ((entity (aref *world* i)))
(draw-entity entity))
(gl:matrix-mode :modelview)
(gl:load-identity)
; (gl:translate 0 -2 -7)
; (gl:rotate 16 1 0 0)
(glu:look-at 0 0 1 ;(aref *origin* 0) (aref *origin* 1) (aref *origin* 2) ;; eye
(glu:look-at 0 0 -1 ;(aref *origin* 0) (aref *origin* 1) (aref *origin* 2) ;; eye
0 0 0 ;; center
0 1 0 ;; up in y pos
)
@ -233,7 +248,9 @@
(defun phys-step (time)
(motion-step *self* time)
(format t "z-position: ~a z-velocity: ~a z-acceleration: ~a~%" (aref (coords *self*) 2) (aref (velocity *self*) 2) (aref (acceleration *self*) 2)))
(format t "z-position: ~a z-velocity: ~a z-acceleration: ~a~%" (aref (coords *self*) 2) (aref (velocity *self*) 2) (aref (acceleration *self*) 2))
(format t "y-position: ~a y-velocity: ~a y-acceleration: ~a~%" (aref (coords *self*) 1) (aref (velocity *self*) 1) (aref (acceleration *self*) 1))
(format t "x-position: ~a x-velocity: ~a x-acceleration: ~a~%" (aref (coords *self*) 0) (aref (velocity *self*) 0) (aref (acceleration *self*) 0)))
;(loop for entity across *world* do
; (motion-step (motion entity) time)))
; (accel (accelerator (motion entity)) entity time)