献给Processing爱好者的教程【2】—-界面和参数介绍【卡卡】

• 1.界面设置
  

a其中最主要的是偏好设置（preference）

你可以通过 调整编辑器字体大学和控制台字体大小来调整到最适合的大写，这样敲代码起来会更加的舒服.

同时下面有2项是一定要更改的，一个是suggest import statements，这个在后来快速引用一些库里面的函数或类，会非常的方便，他会根据你写的代码自动推荐导入库，。另一个是增至最大内存，这一项当然越高越好，我也不知道软件支持的上线时多少=。=

1. 开始编写程序

processing软件的截面有两种主要的功能：

第一个是void setup：所有在里面的写的程序只会运行一次。

第二个是void draw：所有在理的程序没一帧都会运行一次。

processing中的x，y轴是如下显示的

举一个很简单的例子：

我们通过在draw里面创建一个小球，小球从左边到右边移动，这时候就需要每一帧给小球X坐标上加一个数来实现移动效果。所以不能在void setup中给小球的坐标加上定值而需要在void draw中给小球的x坐标每一帧加上一个定值。

代码如下：

int x=0;

int y=300;

int x_add=1;

void setup() {

size(500, 500);

}

void draw() {

background(0);

x=x+x_add;

ellipse(x, y, 20, 20);

}

同时你们也可以想一想把background（0）或者把x=x+x_add;

ellipse(x, y, 20, 20); 移动到void setup中会发生什么情况。。。这样能够更好的理解void setup（）和void draw（）。

最后， 提醒在最开的int x=0等是设置参数的地方，一般在最开头的时候设置，以后是有的function都能直接调用这个参数，而在function里面的，例如void setup（）里面或者void draw（）里面设置的时候，只能在function中使用，其他地方是不能识别的。（这是关于参数定义域范围的，在以后的练习中会有更深刻的体会）

额外福利：

有没有觉得白色的processing看的不开心，要是黑色的打字界面就好了，高大上很多，这里可以通过直接改processing的ui来实现.只需要把下面的theme保存到安装processing下的lib文件中，记得保存原有的them主题哦。。。。效果如下

them的内容：

# ——

#nyo_processing_theme

#rename the file as “theme.txt”

# replace it with Processing 3/Contents/java/lib/theme.txt

# ——

# STATUS

# Status messages (1 file added to sketch, errors, etc)

status.notice.fgcolor = #CFD2D2

status.notice.bgcolor = #404040

status.error.fgcolor = #ffffff

status.error.bgcolor = #e34c00

status.edit.fgcolor = #000000

status.edit.bgcolor = #f1b500

status.font = processing.sans,plain,13

# HEADER TABS

# Settings for the tab area at the top.

header.text.font = processing.sans,bold,14

header.text.selected.color = #ffffff

header.text.unselected.color = #808080

header.tab.arrow.color = #ffffff

header.gradient.top = #181818

header.gradient.bottom = #181818

header.tab.selected.color = #333333

header.tab.unselected.color = #252525

header.tab.modified.color = #02ba4e

# FOOTER TABS

footer.text.font = processing.sans,bold,12

footer.text.selected.color =#02ba4e

footer.text.unselected.color = #acaeb2

footer.tab.arrow.color = #ffffff

footer.gradient.top = #181818

footer.gradient.bottom = #181818

footer.tab.selected.color = #323232

footer.tab.unselected.color = #323232

# updates orange #eb7f15

# CONSOLE

# The font is handled by preferences, so its size/etc are modifiable.

console.color = #000000

console.output.color = #cccccc

# text color for errors printed in the console

console.error.color = #d9211e

# TOOLBAR BUTTONS

buttons.bgcolor = #000000

# for the debug and mode buttons

reversed.gradient.top = #181818

reversed.gradient.bottom = #181818

## size of divider between editing area and the console

#divider.size = 0

## the larger divider on windows is ugly with the little arrows

## this makes it large enough to see (mouse changes) and use,

## but keeps it from being annoyingly obtrusive

#divider.size.windows = 2

divider.height = 9

divider.color = #CCCCCC

divider.dot.diameter = 3

divider.dot.color = #505050

# TOOLBAR BUTTON TEXT

toolbar.rollover.font = processing.sans,plain,12

toolbar.rollover.color = #ffffff

toolbar.gradient.top = #181818

toolbar.gradient.bottom = #181818

# MODE SELECTOR

#mode.title.font = processing.sans,bold,15

mode.title.font = processing.sans,plain,12

mode.title.color = #ffffff

# outline color of the mode button

#mode.button.color = #ffffff

#mode.button.gap = 13

#mode.arrow.width

#mode.background.color = #3D5362

# stolen from gradient bottom

mode.background.color = #121212

mode.outline.color = #3a505e

# EDITOR – DETAILS

# foreground and background colors

editor.fgcolor = #ffffff

editor.bgcolor = #181818

editor.gradient.top = #181818

editor.gradient.bottom = #181818

# highlight for the current line

#editor.linehighlight.color=#e2e2e2

editor.linehighlight.color=#323232

# highlight for the current line

editor.linehighlight=true

editor.caret.color = #ffffff

editor.selection.color = #323232

# area that’s not in use by the text (replaced with tildes)

editor.invalid.style = #7e7e7e,bold

# little pooties at the end of lines that show where they finish

editor.eolmarkers = false

editor.eolmarkers.color = #999999

# bracket/brace highlighting

editor.brackethighlight = true

editor.brackethighlight.color = #FF9408

editor.gutter.text.font = processing.mono,plain,11

#editor.gutter.text.color = #acaeb2

#editor.gutter.text.color = #acaeb2

editor.gutter.text.color = #acaeb2

# marker for breakpointed lines in left hand gutter (2 ascii characters)

editor.gutter.breakpoint.marker = <>

editor.gutter.breakpoint.marker.color = #4a545e

# marker for the current line in left hand gutter (2 ascii characters)

editor.gutter.currentline.marker = ->

editor.gutter.currentline.marker.color = #e27500

# bgcolor for the current (highlighted) line

editor.gutter.linehighlight.color=#333333

# left- and right-hand gutter color

editor.gutter.bgcolor = #181818

# color of vertical separation line

#gutter.linecolor = #e9e9e9

# space (in px) added to left and right of gutter markers

editor.gutter.padding = 3

# squiggly line underneath errors in the editor

editor.error.underline.color = #C40E0E

# squiggly line underneath warnings

editor.warning.underline.color = #ffc30e

# lines next to the scrollbar showing where errors are located

editor.column.error.color = #9F1613

editor.column.warning.color = #ffc30e

# not in use?

#breakpoint.bgcolor = #f0f0f0

#currentline.bgcolor = #ffff96

errors.header.font = processing.sans,plain,12

errors.header.bgcolor = #EBEBEB

errors.header.fgcolor = #484848

errors.row.font = processing.sans,plain,12

errors.row.fgcolor = #484848

errors.row.bgcolor = #FFFFFF

errors.selection.fgcolor = #242424

errors.selection.bgcolor = #E5E5E5

最后编辑：2017-08-13

作者：卡萨布兰卡

这个作者貌似有点懒，什么都没有留下。

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