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added coloring to model and drawing

This commit is contained in:
Dan Ballard 2011-07-23 08:08:01 -07:00
parent 312cd9992d
commit 17d511ba93
1 changed files with 37 additions and 46 deletions
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flight-sim.lisp
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@ -27,33 +27,10 @@
(setf (aref arr i) (make-array w :initial-contents (car rest-list)))) (setf (aref arr i) (make-array w :initial-contents (car rest-list))))
arr)) arr))
(defclass accelerator () nil)
(defclass circle-accel (accelerator)
((origin :initarg :origin :accessor origin :initform (vector 0 0 0))))
(defgeneric accel (accelerator motion time)
(:documentation "apply some modifications to a motion class based on some rules"))
(defmethod accel ((accelerator accelerator) entity time)
nil)
(defmethod accel ((accelerator circle-accel) entity time)
(format t "(circle-accel::accel)~%")
(let* ((o-vector (vector
(- (aref (origin accelerator) 0) (aref (coords entity) 0))
(- (aref (origin accelerator) 1) (aref (coords entity) 1))
(- (aref (origin accelerator) 2) (aref (coords entity) 2))))
(t-vector (rotate* (make-rotation-matrix (/ pi 2) (/ pi 2) (/ pi 2)) o-vector)))
(setf (velocities (motion entity)) t-vector)))
; (setf (aref (velocities (motion entity) 0) (* time (aref t-vector 0)))
; (setf (aref (velocities (motion entity)) 0) (* time (aref t-vector 0)))
; (setf (aref (velocities (motion entity)) 0) (* time (aref t-vector 0)))))
(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))
(colors :initarg :colors :accessor colors :initform (vector))
(face-colors :initarg :face-colors :accessor face-colors :initform (vector)))) (face-colors :initarg :face-colors :accessor face-colors :initform (vector))))
(defclass motion () (defclass motion ()
@ -86,9 +63,10 @@
(defparameter *ship-model* (defparameter *ship-model*
(make-instance 'model (make-instance 'model
:vertices (make-2d-array 4 3 '((0 0 0) (0 1 -3) (-2 1 -3) (2 1 -3))) :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))) :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))))) :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) (defparameter *world* nil)
@ -185,22 +163,28 @@
; (append (rotate-vertex-2d (second tri) rM) '((third (second tri)))) ; (append (rotate-vertex-2d (second tri) rM) '((third (second tri))))
; (append (rotate-vertex-2d (third tri) rM) (third (third 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 draw-triangle (tri) (defun draw-triangle (tri colors)
(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)
(gl:color red green blue)) (let ((c (scale-colors (aref colors 0))))
(gl:color (aref c 0) (aref c 1) (aref c 2)))
(let ((v (aref tri 0))) (let ((v (aref tri 0)))
(gl:vertex (aref v 0) (aref v 1) (aref v 2))) (gl:vertex (aref v 0) (aref v 1) (aref v 2)))
(multiple-value-bind (green blue red) (shift-color time) ;(multiple-value-bind (green blue red) (shift-color time)
(gl:color red green blue)) (let ((c (scale-colors (aref colors 1))))
(gl:color (aref c 0) (aref c 1) (aref c 2)))
(let ((v (aref tri 1))) (let ((v (aref tri 1)))
(gl:vertex (aref v 0) (aref v 1) (aref v 2))) (gl:vertex (aref v 0) (aref v 1) (aref v 2)))
(multiple-value-bind (blue green red) (shift-color time) ;(multiple-value-bind (blue green red) (shift-color time)
(gl:color red green blue)) (let ((c (scale-colors (aref colors 2))))
(gl:color (aref c 0) (aref c 1) (aref c 2)))
(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))))))
@ -210,8 +194,9 @@
(gl:rotate (aref (angles entity) 0) 1 0 0) (gl:rotate (aref (angles entity) 0) 1 0 0)
(gl:rotate (aref (angles entity) 1) 0 1 0) (gl:rotate (aref (angles entity) 1) 0 1 0)
(gl:rotate (aref (angles entity) 2) 0 0 1) (gl:rotate (aref (angles entity) 2) 0 0 1)
(loop for face across (faces (model entity)) do (loop for i from 0 to (1- (length (faces (model entity)))) do
(draw-triangle (get-vertecies face (vertices (model entity))))) (draw-triangle (get-vertecies (aref (faces (model entity)) i) (vertices (model entity)))
(get-vertecies (aref (face-colors (model entity)) i) (colors (model entity)))))
(gl:pop-matrix)) (gl:pop-matrix))
@ -219,8 +204,9 @@
;; 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
(draw-entity (make-instance 'game-object :motion (make-instance 'motion :coords (vector 0 0 3)) :model *ship-model*)) (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
(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)))
@ -236,7 +222,7 @@
; (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 6 10 ;(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
) )
@ -263,16 +249,16 @@
(defun thruster-on (key) (defun thruster-on (key)
(case key (case key
((:sdl-key-w) ; + z ((:sdl-key-w) ; + z
(setf (aref (acceleration *self*) 2) *acceleration*))
((:sdl-key-s) ; - z
(setf (aref (acceleration *self*) 2) (- *acceleration*))) (setf (aref (acceleration *self*) 2) (- *acceleration*)))
((:sdl-key-s) ; - z
(setf (aref (acceleration *self*) 2) *acceleration*))
((:sdl-key-q) ; + x ((:sdl-key-q) ; + x
(setf (aref (acceleration *self*) 0) *acceleration*)) (setf (aref (acceleration *self*) 0) *acceleration*))
((:sdl-key-a) ; - x ((:sdl-key-a) ; - x
(setf (aref (acceleration *self*) 0) (- *acceleration*))) (setf (aref (acceleration *self*) 0) (- *acceleration*)))
((:sdl-key-d) ; + y ((:sdl-key-e) ; + y
(setf (aref (acceleration *self*) 1) *acceleration*)) (setf (aref (acceleration *self*) 1) *acceleration*))
((:sdl-key-e) ; - y ((:sdl-key-d) ; - y
(setf (aref (acceleration *self*) 1) (- *acceleration*))) (setf (aref (acceleration *self*) 1) (- *acceleration*)))
(otherwise (format t "~a~%" key)))) (otherwise (format t "~a~%" key))))
@ -345,11 +331,16 @@
(setf *world* (setf *world*
(make-array 10 :initial-contents (make-array 10 :initial-contents
(loop for i from 0 to 9 collecting (loop for i from 0 to 9 collecting
(make-instance 'game-object (let ((e (make-instance 'game-object
:model *diamond-model* :model (make-instance 'model
:vertices (vertices *diamond-model*)
:faces (faces *diamond-model*))
:angles (vector (random 360) (random 360) (random 360)) :angles (vector (random 360) (random 360) (random 360))
:motion (make-instance 'motion :motion (make-instance 'motion
:coords (vector (- (random 10) 5) (- (random 10) 5) (- (random 10) 5)))))))) :coords (vector (- (random 10) 5) (- (random 10) 5) (- (random 10) 5))))))
(setf (colors (model e)) (make-2d-array 3 3 `((,(random 255) ,(random 255) ,(random 255)) (,(random 255) ,(random 255) ,(random 255)) (,(random 255) ,(random 255) ,(random 255)))))
(setf (face-colors (model e)) (make-2d-array 8 3 '((0 1 1) (0 1 1) (0 1 1) (0 1 1) (1 2 1) (1 2 1) (1 2 1) (1 2 1))))
e)))))
@ -361,7 +352,7 @@
(setf *num-frames* 0) (setf *num-frames* 0)
(setf *last-time* *start-time*) (setf *last-time* *start-time*)
(setf *controls-active* '()) (setf *controls-active* '())
(setf *self* (make-instance 'motion :coords (vector 0 0 -11))) (setf *self* (make-instance 'motion :coords (vector 0 0 11)))
; (reshape) ; (reshape)
(populate-world) (populate-world)
) )