屏幕#

介绍 #

The Screen methods control how the VEX AIM Coding Robot shows text, numbers, and graphics on its screen, and how it responds to screen presses.

以下是所有方法的列表：

触摸——检测并响应屏幕按压。

pressing – Returns whether the screen is currently being pressed.
x_position – Returns the x-coordinate of the last screen press.
y_position – Returns the y-coordinate of the last screen press.

光标打印——使用行/列系统显示文本。

print – Prints text, numbers, or variable values at the current cursor position.
set_cursor – Moves the cursor to a specific row and column.
next_row – Moves the cursor to column 1 of the next row.
clear_row – Clears a row of text.
get_row – Returns the current cursor row.
get_column – Returns the current cursor column.

XY 打印 – 在特定的屏幕坐标处显示文本。

print_at – Prints text, numbers, or variable values at a specific x and y coordinate.
set_origin – Sets the origin used for coordinate-based printing and drawing.

改变器——清除屏幕或更新视觉设置。

clear_screen – Clears the screen of all drawings and text.
set_font – Sets the font for printed text.
set_pen_width – Sets the thickness of drawn lines and shape outlines.
set_pen_color – Sets the color of text, pixels, lines, and shape outlines.
set_fill_color – Sets the fill color for drawn shapes and printed text backgrounds.

绘图——在屏幕上添加图形和图像。

draw_pixel – Draws a pixel at a specific x and y position.
draw_line – Draws a line between two points.
draw_rectangle – Draws a rectangle.
draw_circle – Draws a circle.
show_file – Displays an uploaded image.
set_clip_region – Restricts where drawings and text can appear.

Callbacks – Run functions when the screen is pressed or released.

pressed – Registers a function to call when the screen is pressed.
released – Registers a function to call when the screen is released.

触碰 #

pressing #

pressing returns a Boolean indicating whether the robot’s screen is currently being pressed.

True – The screen is being pressed.
False – The screen is not being pressed.

Usage:
robot.screen.pressing()

参数	描述
	该方法没有参数。

# Turn LEDs white only while the screen is pressed.
while True:
    if robot.screen.pressing():
        robot.led.on(ALL_LEDS, WHITE)
    else:
        robot.led.off(ALL_LEDS)

    wait(50, MSEC)

# Display different messages after the screen is pressed
while not robot.screen.pressing():
    wait(5, MSEC)
robot.screen.print("First message!")
robot.screen.next_row()
# Lift finger to press the screen again
while robot.screen.pressing():
    wait(5, MSEC)
while not robot.screen.pressing():
    wait(5, MSEC)
robot.screen.print("Second message!")
robot.screen.next_row()

x_position #

x_position returns the x-coordinate of the last screen press as an integer from 0 (left) to 240 (right).

Usage:
robot.screen.x_position()

参数	描述
	该方法没有参数。

# Display the x-coordinate of where
# the screen is pressed
while True:
    if robot.screen.pressing():
        robot.screen.clear_screen()
        robot.screen.print(robot.screen.x_position())
    wait (50, MSEC)

y_position #

y_position returns the y-coordinate of the last screen press as an integer from 0 (top) to 240 (bottom).

Usage:
robot.screen.y_position()

参数	描述
	该方法没有参数。

# Display the y-coordinate of where
# the screen is pressed
while True:
    if robot.screen.pressing():
        robot.screen.clear_screen()
        robot.screen.print(robot.screen.y_position())
    wait (50, MSEC)

参数	描述
`text`	要在屏幕上显示的文本、数字或变量值。

set_cursor moves the text cursor to a specific row and column on the robot’s screen. The next print call will start printing at that location. The number of rows and columns that fit depends on the selected font. With the default monospaced medium font, the screen can clearly display up to 8 rows and 13 columns. Text placed beyond this range may be cut off or harder to read.

Monospaced fonts have characters that are all the same width, making text placement consistent. In contrast, proportional fonts vary in character width, so some letters take up more space than others. However, regardless of which type is used, set_cursor positions the cursor based on row and column size, not font style. The font size can be adjusted using set_font.

Usage:
robot.screen.set_cursor(row, column)

参数	描述
`row`	The row to move the cursor to.
`column`	The column to move the cursor to.

# Display text starting at Row 3 Column 2
robot.screen.set_cursor(3, 2)
robot.screen.print("Row 3, Column 2")

机器人屏幕的截图，屏幕中心上方用白色字体打印着“第 3 行，第 2 列”，从第 3 行第 2 列开始。

next_row #

next_row moves the cursor to column 1 on the next row on the robot’s screen.

Usage:
robot.screen.next_row()

参数	描述
	该方法没有参数。

# Display two lines of text
robot.screen.print("Line 1")
robot.screen.next_row()
robot.screen.print("Line 2")

机器人屏幕的截图，文字为白色。屏幕顶部左对齐显示“第 1 行”，下方紧邻“第 2 行”。

clear_row #

clear_row clears a single row of text on the robot’s screen.

Usage:
robot.screen.clear_row(row, color)

范围	描述
`row`	可选。要清除的行号，以整数形式表示。默认值为当前光标所在行。
`color`	Optional. The color to apply to the cleared row. Options include: `BLACK` `BLUE` `CYAN` `GREEN` `ORANGE` `PURPLE` `RED` `TRANSPARENT` `WHITE` `YELLOW` You can also specify a custom color.

范围

描述

row

可选。要清除的行号，以整数形式表示。默认值为当前光标所在行。

color

Optional. The color to apply to the cleared row. Options include:

BLACK
BLUE
CYAN
GREEN
ORANGE
PURPLE
RED
TRANSPARENT
WHITE
YELLOW

You can also specify a custom color.

# Display text on two rows
robot.screen.print("This text stays")
robot.screen.next_row()
robot.screen.print("This text disappears")

# Wait 3 seconds before clearing only the second row
wait(3, SECONDS)
robot.screen.clear_row()

# Turn the 5th row green
robot.screen.clear_row(5, GREEN)

机器人屏幕的截图，屏幕中央从左到右有一条绿色横条。

get_row #

get_row returns the current row where text will be printed as an integer.

Usage:
robot.screen.get_row()

参数	描述
	该方法没有参数。

# Set cursor to (3,2) and print row number
robot.screen.set_cursor(3, 2)
robot.screen.print(robot.screen.get_row())

机器人屏幕的SA截图，左上象限中心附近，第3行第2列，印有白色数字3。

get_column #

get_column returns the current column where text will be printed as an integer.

Usage:
robot.screen.get_column()

参数	描述
	该方法没有参数。

# Set cursor to (3,2) and print column number
robot.screen.set_cursor(3, 2)
robot.screen.print(robot.screen.get_column())

机器人屏幕的截图，左上象限中心附近，第 3 行第 2 列，印有一个白色的数字 2。

XY打印 #

print_at #

print_at prints text, numbers, or variable values on the robot’s screen at a specific x and y coordinate in pixels, using the currently set font and origin. x sets how far from the left side the text begins, and y sets where the bottom of the letters sit. This method disregards the current cursor position.

A top down view of the top of the VEX AIM Coding Robot showing the bounding box of the screen as a white rectangle. Clockwise, starting in the upper left corner, coordinates (0,0), (240,0), (0,240), and (240,240) show the four corners. A red circle is centered within the square, showing the viewable area, with a white dashed crosshair intersecting at (120, 120) in the center of the screen.

Note: The red circle shows which coordinates will be visible on the AIM robot’s circular screen. Coordinates that fall outside the red circle exist within the 0–240 range but will not appear on the screen.

Usage:
robot.screen.print_at(text, x, y)

范围	描述
`text`	The text, number, or variable value to print on the screen.
`x`	文本的水平位置，以 0 到 240 像素之间的整数表示。0 为左；240 为右。
`y`	文本的垂直位置，以 0 到 240 像素之间的整数表示。0 表示顶部；240 表示底部。

# Display a message in the middle of the screen
robot.screen.print_at("Hello, Robot!", x=40, y=120)

机器人屏幕的截图，屏幕中央用白色字体显示“你好，机器人！”。

set_origin #

set_origin sets the origin used for drawing and coordinate-based printing on the robot’s screen. By default, the origin is the top-left corner of the screen.

Usage:
robot.screen.set_origin(x, y)

范围	描述
`x`	设置为原点的新 x 坐标，以 0 至 240 之间的整数形式给出。
`y`	设置作为原点的新 y 坐标，以 0 至 240 之间的整数形式给出。

# Set the origin to the center of the screen
robot.screen.set_origin(120, 120)

# Draw a rectangle at the new origin
robot.screen.draw_rectangle(0, 0, 80, 40)

机器人屏幕的截图，左下角绘制了一个白色矩形。矩形的左上角是屏幕中心。

修改器 #

clear_screen #

clear_screen clears all drawings and text from the robot’s screen. By default, it also resets the cursor position to row 1, column 1.

Usage:
robot.screen.clear_screen(color)

范围	描述
`color`	Optional. Sets the screen color. Options include: `BLACK` `BLUE` `CYAN` `GREEN` `ORANGE` `PURPLE` `RED` `TRANSPARENT` `WHITE` `YELLOW` You can also specify a custom color.

范围

描述

color

Optional. Sets the screen color. Options include:

BLACK
BLUE
CYAN
GREEN
ORANGE
PURPLE
RED
TRANSPARENT
WHITE
YELLOW

You can also specify a custom color.

# Draw a circle, and clear it after 2 seconds
robot.screen.draw_circle(120, 120, 60)
wait(2, SECONDS)
robot.screen.clear_screen()

# Set the background color of the screen to red
robot.screen.clear_screen(RED)

机器人屏幕的截图，显示整个屏幕呈鲜红色。

set_font #

set_font sets the font used for displaying text on the robot’s screen. This font will apply to all text printed with print or print_at. The default font at the start of a project is MONO24.

Usage:
robot.screen.set_font(fontname)

范围	描述
`fontname`	Sets the font to one of the following: `MONO12` `MONO15` `MONO20` `MONO24` `MONO30` `MONO40` `MONO60` `PROP20` `PROP30` `PROP40` `PROP60` These options are shown below.

范围

描述

fontname

Sets the font to one of the following:

MONO12
MONO15
MONO20
MONO24
MONO30
MONO40
MONO60
PROP20
PROP30
PROP40
PROP60

These options are shown below.

`MONO12`	`MONO15`	`MONO20`
`MONO24`	`MONO30`	`MONO40`
`MONO60`	`PROP20`	`PROP30`
`PROP40`	`PROP60`

# Display text using a larger font
robot.screen.set_font(MONO40)
robot.screen.print("VEX")

机器人屏幕的截图显示，左上角以 Mono 40 字体显示 VEX。

set_pen_width #

set_pen_width sets the thickness of drawn lines and shape outlines.

Usage:
robot.screen.set_pen_width(width)

范围	描述
`width`	The pen width, in pixels, from 0 to 32.

# Draw a rectangle with a pen width of 10
robot.screen.set_pen_width(10)
robot.screen.draw_rectangle(50, 50, 130, 60)

机器人屏幕的截图，上半部分画着一个粗白矩形。

set_pen_color #

set_pen_color sets the color of text, pixels, lines, and shape outlines.

Usage:
robot.screen.set_pen_color(color)

范围	描述
`color`	Optional. The pen and font color to use. Options include: `BLACK` `BLUE` `CYAN` `GREEN` `ORANGE` `PURPLE` `RED` `TRANSPARENT` `WHITE` `YELLOW` You can also specify a custom color.

范围

描述

color

Optional. The pen and font color to use. Options include:

BLACK
BLUE
CYAN
GREEN
ORANGE
PURPLE
RED
TRANSPARENT
WHITE
YELLOW

You can also specify a custom color.

# Draw a rectangle with a red pen
robot.screen.set_pen_color(RED)
robot.screen.draw_rectangle(50, 50, 130, 60)

机器人屏幕的截图，上半部分画着一个细边框的红色矩形。

set_fill_color #

set_fill_color sets the fill color used when shapes are drawn and when printed text uses a background.

Usage:
robot.screen.set_fill_color(color)

范围	描述
`color`	Optional. The fill color to use. Options include: `BLACK` `BLUE` `CYAN` `GREEN` `ORANGE` `PURPLE` `RED` `TRANSPARENT` `WHITE` `YELLOW` You can also specify a custom color.

范围

描述

color

Optional. The fill color to use. Options include:

BLACK
BLUE
CYAN
GREEN
ORANGE
PURPLE
RED
TRANSPARENT
WHITE
YELLOW

You can also specify a custom color.

# Draw two orange rectangles
robot.screen.set_fill_color(ORANGE)
robot.screen.draw_rectangle(50, 50, 100, 60)
robot.screen.draw_rectangle(50, 130, 100, 60)

机器人屏幕的截图，屏幕左侧中央有两个平行的橙色矩形，带有细细的白色轮廓。

# Display text with a purple background
robot.screen.set_fill_color(PURPLE)
robot.screen.print("Highlight")

机器人屏幕的截图显示“高亮显示”，白色文字周围有紫色高亮圈，从左上角开始。

画 #

draw_pixel #

draw_pixel draws one pixel at the selected x and y coordinate using the current pen color.

Usage:
robot.screen.draw_pixel(x, y)

范围	描述
`x`	将绘制像素的 x 坐标，以 0 至 240 之间的整数表示。
`y`	将绘制像素的 y 坐标，以 0 至 240 之间的整数表示。

# Draw a pixel at the center of the screen
robot.screen.draw_pixel(120, 120)

draw_line #

draw_line draws a line from the first screen coordinate (x1, y1) to the second screen coordinate (x2, y2) using the current pen width and pen color.

The x and y-coordinates use the default origin of (0, 0) unless a different origin has been set using set_origin.

Usage:
robot.screen.draw_line(x1, y1, x2, y2)

范围	描述
`x1`	线的起始 x 坐标，以 0 至 240 之间的整数表示。
`y1`	线的起始 y 坐标，以 0 至 240 之间的整数表示。
`x2`	线的结束 x 坐标，以 0 至 240 之间的整数表示。
`y2`	线的结束 y 坐标，以 0 至 240 之间的整数表示。

# Draw a line from the top left to bottom right of the screen
robot.screen.draw_line(0, 0, 240, 240)

机器人屏幕的截图，从左上角到右下角画了一条细细的白色对角线。

draw_rectangle #

draw_rectangle draws a rectangle with its top-left corner at the selected (x, y) coordinate and a size determined by the given width and height, all measured in pixels. The rectangle’s outline is drawn using the current pen width and pen color. The interior is filled with the current fill color, unless the optional color parameter is used.

The x and y-coordinates use the default origin of (0, 0) unless a different origin has been set using set_origin.

Usage:
robot.screen.draw_rectangle(x, y, width, height, color)

范围	描述
`x`	矩形左上角的 x 坐标，以 0 至 240 之间的整数表示。
`y`	矩形左上角的 y 坐标，以 0 至 240 之间的整数表示。
`width`	矩形的宽度，以 0 到 240 之间的整数表示。
`height`	矩形的高度，以 0 到 240 之间的整数表示。
`color`	Optional. The fill color of the rectangle. Options include: `BLACK` `BLUE` `CYAN` `GREEN` `ORANGE` `PURPLE` `RED` `TRANSPARENT` `WHITE` `YELLOW` You can also specify a custom color.

# Draw a red rectangle on the screen
robot.screen.draw_rectangle(50, 50, 130, 60, RED)

机器人屏幕的截图，屏幕上半部分居中显示一个亮红色矩形，矩形边缘有一条细细的白色边框。

draw_circle #

draw_circle draws a circle with its center at the selected (x, y) coordinate and a size determined by the given radius, all measured in pixels. The circle’s outline is drawn using the current pen width and pen color. The interior is filled with the current fill color, unless the optional color parameter is used.

The x and y-coordinates use the default origin of (0, 0) unless a different origin has been set using set_origin.

Usage:
robot.screen.draw_circle(x, y, radius, color)

范围	描述
`x`	圆心的 x 坐标，以 0 至 240 之间的整数表示。
`y`	圆心的 y 坐标，以 0 至 240 之间的整数表示。
`radius`	圆的半径，以 0 到 240 像素之间的整数表示。
`color`	Optional. The fill color of the circle. Options include: `BLACK` `BLUE` `CYAN` `GREEN` `ORANGE` `PURPLE` `RED` `TRANSPARENT` `WHITE` `YELLOW` You can also specify a custom color.

# Draw a green circle on the screen
robot.screen.draw_circle(120, 120, 40, GREEN)

机器人屏幕的截图，中心有一个亮绿色圆圈，圆圈边缘有细细的白色边框。

show_file #

show_file displays a custom uploaded image on the robot’s screen, with its position set using the x, y, and center parameters based on the image’s reference point.

Usage:
robot.screen.show_file(file, x, y, center)

范围	描述
`file`	The custom image to use, from `IMAGE1` to `IMAGE10`. The image number matches the number shown in the AIM control panel.
`x`	图像的水平偏移量，以像素为单位的整数形式指定。正值表示向右移动；负值表示向左移动。
`y`	图像的垂直偏移量，以像素为单位的整数形式指定。正值表示向下移动；负值表示向上移动。
`center`	Optional. If `center=True`, the image is placed using its center at coordinate (120, 120). By default (`center=False`), the top-left corner of the image is used and positioned relative to the current origin.

# Display uploaded Image 1 in the top left corner
robot.screen.show_file(IMAGE1, 0, 0)

# Show the same image on both sides of the screen
# Image size is 120 x 120
robot.screen.show_file(IMAGE1, 65, 0, center=True)
robot.screen.show_file(IMAGE1, -65, 0, center=True)

set_clip_region #

set_clip_region defines a rectangular area on the screen where all drawings and text will be confined. Any content outside this region will not be displayed.

Usage:
robot.screen.set_clip_region(x, y, width, height)

范围	描述
`x`	The x-coordinate of the top-left corner of the clip region, given as an decimal (`float`) from 0 to 240.
`y`	The y-coordinate of the top-left corner of the clip region, given as an decimal (`float`) from 0 to 240.
`width`	The width of the clip region in pixels, given as an decimal (`float`) from 0 to 240.
`height`	The height of the clip region in pixels, given as an decimal (`float`) from 0 to 240.

# Restrict text and drawings to a specific region
robot.screen.set_clip_region(0, 0, 120, 120)
robot.screen.draw_rectangle(60, 60, 100, 100, RED)
robot.screen.print_at("Cut off!", x=60, y=60)

机器人屏幕的截图，显示了适合裁剪区域的文本和图像。在左上象限，白色文字显示“Cut o”，其正下方有一个红色方块。

Callbacks #

pressed #

pressed registers a method to be called when the robot’s screen is pressed.

Usage:
robot.screen.pressed(callback, arg)

参数	描述
`callback`	A function that is previously defined to execute when the controller screen is pressed.
`arg`	Optional. A tuple containing arguments to pass to the callback function. See Using Functions with Parameters for more information.

# Set the LEDs to green when the screen is pressed.
def screen_touched():
    robot.led.on(ALL_LEDS, GREEN)

robot.screen.pressed(screen_touched)

released #

released registers a method to be called when the robot’s screen is released.

Usage:
robot.screen.released(callback, arg)

参数	描述
`callback`	A function that is previously defined to execute when the controller screen is pressed.
`arg`	Optional. A tuple containing arguments to pass to the callback function. See Using Functions with Parameters for more information.

# Set the LEDs to blue when the screen is released.
def screen_released():
    robot.led.on(ALL_LEDS, BLUE)

robot.screen.released(screen_released)

屏幕#

介绍 #

触碰 #

pressing #

x_position #

y_position #

光标打印 #

print #

set_cursor #

next_row #

clear_row #

get_row #

get_column #

XY打印 #

print_at #

set_origin #

修改器 #

clear_screen #

set_font #

set_pen_width #

set_pen_color #

set_fill_color #

画 #

draw_pixel #

draw_line #

draw_rectangle #

draw_circle #

show_file #

set_clip_region #

Callbacks #

pressed #

released #