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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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57
flight-sim.lisp
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@ -53,7 +53,8 @@
(defclass model () (defclass model ()
((vertices :initarg :vertices :accessor vertices :initform (vector)) ((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 () (defclass motion ()
((coords :initarg :coords :accessor coords :initform (vector 0 0 0)) ((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) :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))))) (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 *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 *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 *velocity* 2) ; 1 unit / second
(defparameter *acceleration* 2) ; 1 unit /second (defparameter *acceleration* 2) ; 1 unit /second
@ -181,7 +186,7 @@
; (append (rotate-vertex-2d (third tri) rM) (third (third tri)))))) ; (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*))) (let ((time (- (wall-time) *start-time*)))
(gl:with-primitive :triangles (gl:with-primitive :triangles
(multiple-value-bind (red green blue) (shift-color time) (multiple-value-bind (red green blue) (shift-color time)
@ -199,29 +204,39 @@
(let ((v (aref tri 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)
(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)))))
(gl:pop-matrix))
(defun draw (time) (defun draw (time)
;; clear the buffer ;; clear the buffer
(gl:clear :color-buffer-bit :depth-buffer-bit) (gl:clear :color-buffer-bit :depth-buffer-bit)
;; move to eye position ;; move to eye position
(gl:translate (aref (coords *self*) 0) (aref (coords *self*) 1) (aref (coords *self*) 2)) ;; eye (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 (loop for entity across *world* do
;(let ((entity (aref *world* i))) ;(let ((entity (aref *world* i)))
(progn (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 (gl:matrix-mode :modelview)
(draw-triangle (get-vertecies face (vertices (model entity))) time)) (gl:load-identity)
(gl:pop-matrix)
))
(gl:matrix-mode :modelview)
(gl:load-identity)
; (gl:translate 0 -2 -7) ; (gl:translate 0 -2 -7)
; (gl:rotate 16 1 0 0) ; (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 0 0 ;; center
0 1 0 ;; up in y pos 0 1 0 ;; up in y pos
) )
@ -233,7 +248,9 @@
(defun phys-step (time) (defun phys-step (time)
(motion-step *self* 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 ;(loop for entity across *world* do
; (motion-step (motion entity) time))) ; (motion-step (motion entity) time)))
; (accel (accelerator (motion entity)) entity time) ; (accel (accelerator (motion entity)) entity time)