{"id":536,"date":"2009-10-14T00:11:40","date_gmt":"2009-10-13T16:11:40","guid":{"rendered":"http:\/\/test999.eblhost.com\/blog\/?p=536"},"modified":"2009-11-17T11:00:12","modified_gmt":"2009-11-17T03:00:12","slug":"processing%ef%bc%9a%e6%95%b0%e7%bb%84%ef%bc%88%e4%b8%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=536","title":{"rendered":"Processing\uff1a\u6570\u7ec4\uff08\u4e0b\uff09"},"content":{"rendered":"

12. ok\uff0c\u73b0\u5728\u6765\u505a100\u8f86\u8f66\u5427\uff1a
\n <\/span><\/em><\/p>\n

\"pr9-3\"<\/a>
pr9-3<\/figcaption><\/figure>\n

Car[] cars = new Car[100]; \/\/ \u7531100\u4e2acars\u5bf9\u8c61\u7ec4\u6210\u7684\u6570\u7ec4!<\/span><\/em><\/p>\n

void setup() {
\nsize(200,200);
\nsmooth();
\nfor (int i = 0; i < cars.length; i ++ ) { \/\/ \u7528for\u5faa\u73af\u521d\u59cb\u5316100\u8f86\u8f66.
\ncars[i] = new Car(color(i*2),0,i*2,i\/20.0);
\n}
\n}<\/span><\/em><\/p>\n

void draw() {
\nbackground(255);
\nfor (int i = 0; i < cars.length; i ++ ) { \/\/ \u7528for\u5faa\u73af\u8dd1\u6bcf\u4e00\u8f86\u8f66.
\ncars[i].move();
\ncars[i].display();
\n}
\n}<\/span><\/em>
\n\u5f53\u7136\uff0c\u4f60\u7684Car\u7c7b\u8fd8\u662f\u653e\u5728\u4e00\u8fb9\uff0c\u4e0d\u9700\u8981\u6539\u52a8\u4efb\u4f55\u53c2\u6570\uff0c\u65e0\u8bba\u6211\u4eec\u53ea\u8dd11\u8f86\u8f66\uff0c\u8fd8\u662f\u540c\u65f6\u8dd1100\u8f86\uff0c\u751a\u81f31000\u8f86\u8f66\u3002<\/p>\n

13. \u5f53\u4f60\u8bbe\u8ba1\u4f60\u7684\u7c7b\u7684\u65f6\u5019\uff0c\u8fd0\u7528\u5e03\u5c14\u53d8\u91cf\u6765\u53d8\u6362\u4e00\u4e2a\u5bf9\u8c61\u7684\u5c5e\u6027\u662f\u5f88\u65b9\u4fbf\u7684\u3002\u4f8b\u5982\uff0c\u4e00\u4e2aCar\u5bf9\u8c61\u662f\u8dd1\u8fd8\u662f\u4e0d\u8dd1\uff0cZoog\u53ef\u80fd\u9ad8\u5174\u6216\u4e0d\u9ad8\u5174\u3002<\/p>\n

\"pr9-4\"<\/a>
pr9-4<\/figcaption><\/figure>\n

14. \u597d\u7684\uff0c\u6765\u8fd0\u7528\u4e0a\u8fb9\u8bf4\u7684\uff0c\u7ee7\u7eed\u6765\u770b\u8d85\u957f\u6655\u7729\u4ee3\u7801\u3002\u3002\u3002
\n \/\/ \u4e00\u4e2astripes\u7684\u6570\u7ec4
\nStripe[] stripes = new Stripe[70];<\/span><\/em><\/p>\n

void setup() {
\nsize(200,200);<\/span><\/em><\/p>\n

\/\/ Initialize all Stripe objects
\nfor (int i = 0; i < stripes.length; i ++ ) {
\nstripes[i] = new Stripe();
\n}
\n}<\/span><\/em><\/p>\n

void draw() {<\/span><\/em><\/p>\n

background(30);
\n\/\/ \u79fb\u52a8\u5e76\u663e\u793a\u6240\u6709stripes\u6570\u7ec4
\nfor (int i = 0; i < stripes.length; i ++ ) { \/\/ \u68c0\u67e5\u9f20\u6807\u662f\u5426\u4f4d\u4e8e\u6761\u7eb9\u4e0a stripes[i].rollover(mouseX,mouseY); \/\/ \u5c06\u9f20\u6807\u5750\u6807\u4f20\u9012\u8fdb\u5165\u4e00\u4e2a\u5bf9\u8c61
\nstripes[i].move(); stripes[i].display();
\n}
\n}<\/span><\/em><\/p>\n

class Stripe {
\nfloat x; \/\/ \u6761\u7eb9\u7684\u6c34\u5e73\u5750\u6807\u503c
\nfloat speed; \/\/ \u6761\u7eb9\u7684\u79fb\u52a8\u901f\u5ea6
\nfloat w; \/\/ \u6761\u7eb9\u7684\u5bbd\u5ea6
\n\/\/ \u4e00\u4e2a\u5e03\u5c14\u53d8\u91cf\u6301\u7eed\u6355\u6349\u5bf9\u8c61\u7684\u72b6\u6001.
\nboolean mouse; \/\/ \u6761\u7eb9\u7684\u72b6\u6001\uff08\u9f20\u6807\u662f\u5426\u4f4d\u4e8e\u6761\u7eb9\u4e0a\uff1f\uff09 <\/span><\/em><\/p>\n

Stripe() {
\n\/\/ \u6240\u6709\u6761\u7eb9\u59cb\u4e8e0
\nx = 0;
\n\/\/ \u6240\u6709\u6761\u7eb9\u90fd\u6709\u4e00\u4e2a\u968f\u673a\u7684\u6b63\u5411\u79fb\u52a8\u901f\u5ea6
\nspeed = random(1);
\nw = random(10,30);
\nmouse = false;
\n} <\/span><\/em><\/p>\n

\/\/ \u7ed8\u5236\u6761\u7eb9
\nvoid display() {
\n\/\/ \u5e03\u5c14\u53d8\u91cf\u51b3\u5b9a\u6761\u7eb9\u989c\u8272
\nif (mouse) {
\nfill(255);
\n} else {
\nfill(255-x,100+w,x);
\n} <\/span><\/em><\/p>\n

noStroke();
\nrect(x,0,w,height);
\n} <\/span><\/em><\/p>\n

\/\/ \u79fb\u52a8\u6761\u7eb9
\nvoid move() {
\nx += speed;
\nif (x > width + 20)
\nx = -20;
\n}<\/span><\/em><\/p>\n

\/\/ \u68c0\u67e5\u70b9(mx,my)\u662f\u5426\u4f4d\u4e8e\u6761\u7eb9\u5185.
\nvoid rollover(int mx, int my) {
\n\/\/ \u6761\u7eb9\u5de6\u6cbf\u662fx, \u53f3\u6cbf\u662fx + w
\nif (mx > x && mx < x + w) {
\nmouse = true;
\n} else {
\nmouse = false;
\n}
\n}
\n}<\/span><\/em><\/p>\n

\"pr9-5\"<\/a>
pr9-5<\/figcaption><\/figure>\n

15. \u6570\u7ec4\u6709\u4e00\u4e9b\u51fd\u6570\u53ef\u7528\u4e8e\u63a7\u5236\u5b83\u7684\u5927\u5c0f\uff0c\u5b83\u4eec\u662f\uff1ahorten( )<\/span>, concat( )<\/span>, subset( )<\/span>, append( <\/span>)<\/span>, splice( )<\/span>, <\/em>\u548cexpand( ) <\/span><\/em> \u3002\u6b64\u5916\u8fd8\u6709\u53ef\u4ee5\u6539\u53d8\u6570\u7ec4\u987a\u5e8f\u7684\u51fd\u6570\uff0c\u6bd4\u5982sort( )<\/span><\/em>\u548c reverse( ) <\/span><\/em>\u3002Daniel\u8fd9\u91cc\u5077\u61d2\u4e86\uff0c\u544a\u8bc9\u6211\u4eec\u8fd9\u4e9b\u6240\u6709\u7684\u51fd\u6570\u90fd\u80fd\u5728pr\u7684\u53c2\u8003\u91cc\u627e\u5230\uff08\u5e9f\u8bdd\u3002\u3002\uff09\uff0c\u7136\u540e\u4e3e\u4e86\u8fd9\u4e48\u4e00\u4e2a\u4f8b\u5b50\uff08\u4f7f\u7528append( )<\/em><\/span>\u589e\u5927\u6570\u7ec4\uff09\uff1a
\n Ball[] balls = new Ball[1]; \/\/ \u6211\u4eec\u4ece\u4ec5\u6709\u4e00\u4e2a\u5143\u7d20\u7684\u6570\u7ec4\u5f00\u59cb.
\nfloat gravity = 0.1;<\/em><\/span><\/p>\n

void setup() {
\nsize(200,200);
\nsmooth();<\/em><\/span><\/p>\n

\/\/ \u521d\u59cb\u53160\u53f7\u7403
\nballs[0] = new Ball(50,0,16);
\n}<\/em><\/span><\/p>\n

void draw() {
\nbackground(255);<\/em><\/span><\/p>\n

\/\/ \u66f4\u65b0\u5e76\u663e\u793a\u6240\u6709\u7684\u7403
\nfor (int i = 0; i < balls.length; i ++ ) {
\n\/\/ \u65e0\u8bba\u6570\u7ec4\u6709\u591a\u957f\uff0c\u66f4\u65b0\u5e76\u663e\u793a\u6240\u6709\u7684\u5143\u7d20.
\nballs[i].gravity();
\nballs[i].move();
\nballs[i].display();
\n}
\n}<\/em><\/span><\/p>\n

void mousePressed() {
\n\/\/ \u4e00\u4e2a\u65b0\u7684ball\u5bf9\u8c61
\nBall b = new Ball(mouseX,mouseY,random(10,30)); \/\/ \u5728\u9f20\u6807\u4f4d\u7f6e\u5236\u9020\u4e00\u4e2a\u65b0\u5bf9\u8c61.
\n balls = (Ball[]) append(balls,b);<\/strong><\/em> \/\/ \u8fd9\u91cc\uff0c\u51fd\u6570append() \u5728\u6570\u7ec4\u7684\u672b\u5c3e\u589e\u52a0\u4e86\u4e00\u4e2a\u5143\u7d20<\/strong>.
\n\/\/ append() \u4f7f\u7528\u4e86\u4e24\u4e2a\u5f15\u6570. \u7b2c\u4e00\u4e2a\u662f\u4f60\u5e0c\u671b\u9644\u52a0\u7684\u6570\u7ec4, \u7b2c\u4e8c\u662f\u4f60\u5e0c\u671b\u9644\u52a0\u7684\u4e1c\u897f.
\n\/\/ \u4f60\u9700\u8981\u5c06append() \u5f97\u5230\u7684\u7ed3\u679c\u91cd\u65b0\u5206\u914d\u7ed9\u6700\u521d\u7684\u6570\u7ec4.
\n\/\/ \u53e6\u5916, append()\u51fd\u6570\u8981\u6c42\u4f60\u901a\u8fc7\u5411\u5706\u62ec\u53f7\u5185\u586b\u5165\u6570\u7ec4\u6570\u636e\u7c7b\u578b\uff08(Ball[])\uff09\u7684\u65b9\u5f0f\u518d\u6b21\u6e05\u695a\u7684\u8868\u8ff0\u6570\u7ec4\u91cc\u7684\u6570\u636e\u7c7b\u578b\u3002
\n\/\/\u8fd9\u4e00\u8fc7\u7a0b\u53eb\u505a\u6295\u63b7\uff08casting\uff09
\n} <\/em><\/span><\/p>\n

class Ball {
\nfloat x;
\nfloat y;
\nfloat speed;
\nfloat w;<\/span><\/em><\/p>\n

Ball(float tempX, float tempY, float tempW) {
\nx = tempX;
\ny = tempY;
\nw = tempW;
\nspeed = 0;
\n}<\/span><\/em><\/p>\n

void gravity() {
\n\/\/ \u91cd\u529b\u52a0\u901f\u5ea6
\nspeed = speed + gravity;
\n}<\/span><\/em><\/p>\n

void move() {
\n\/\/ \u5c06\u901f\u5ea6\u52a0\u5230y\u8f74
\ny = y + speed;
\n\/\/ \u5982\u679c\u5c0f\u7403\u5230\u5e95
\n\/\/ \u5c06\u901f\u5ea6\u53cd\u5411
\nif (y > height) {
\nspeed = speed * -0.95;
\ny = height;
\n}
\n}<\/span><\/em><\/p>\n

void display() {
\n\/\/ \u663e\u793a\u7403
\nfill(random(255));
\nstroke(0);
\nellipse(x,y,w,w);
\n}
\n}<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

12. ok\uff0c\u73b0\u5728\u6765\u505a100\u8f86\u8f66\u5427\uff1a Car[] cars = new Car[100]; \/\/ \u7531100\u4e2acars\u5bf9\u8c61\u7ec4\u6210\u7684\u6570\u7ec4! void setup() { size(200,200); smooth(); for (int i = 0; i < cars.length; i ++ ) { \/\/ \u7528for\u5faa\u73af\u521d\u59cb\u5316100\u8f86\u8f66. cars[i] = new Car(color(i*2),0,i*2,i\/20.0); } } void draw() { background(255); for (int i = 0; i < cars.length; i ++ ) { \/\/ \u7528for\u5faa\u73af\u8dd1\u6bcf\u4e00\u8f86\u8f66. cars[i].move(); cars[i].display(); } […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[58],"class_list":["post-536","post","type-post","status-publish","format-standard","hentry","category-processing","tag-processing"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/536","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=536"}],"version-history":[{"count":6,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/536\/revisions"}],"predecessor-version":[{"id":761,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/536\/revisions\/761"}],"wp:attachment":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}