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GuiSlider2d.md

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Home | Reference

GuiSlider2d

Example | Constructor | Variables | Functions

Description

Two-dimensional slider (trackpad) class.

Picture of a p5.touchgui GuiSlider2d

Example

let gui;

// Create a variable for your Slider2d
let s;

function setup() {
  createCanvas(400, 400);
  gui = createGui();
  
  // Create Slider2d.
  // The last four optional arguments define minimum and maximum values 
  // for the x and y axes; minX, maxX, minY, maxY
  // The default min and max values for all four are -1 and 1.
  s = createSlider2d("Slider2d", 10, 210, 175, 175, 250, 350, 150, 50);
}

function draw() {
  background(255, 235, 205);
  drawGui();
  
  if (s.isChanged) {
    // Print a message when Slider2d is changed
    // that displays its value.
    print(s.label + " = {" + s.valX + ", " + s.valY + "}");
  }
  
  // Draw our ellipse using the Slider2d output values
  fill( 95, 158, 160);
  ellipse(s.valX, s.valY, 100);
}

/// Add these lines below sketch to prevent scrolling on mobile
function touchMoved() {
  // do some stuff
  return false;
}

Constructor

createSlider2d()

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Example
let gui;
let s2d;

function setup() {
    createCanvas(400, 400);
    gui = createGui();
    s2d = createSlider2d("Slider2d", 50, 50);
}
Description

Creates a new GuiSlider2d object. This is a 2 dimensional slider.

Syntax
createSlider2d(label, x, y, [w], [h], [minX], [maxX], [maxX], [maxY])
Parameters
  • label String: label for the GuiSlider2d
  • x Number: x-coordinate of the GuiSlider2d
  • y Number: y-coordinate of the GuiSlider2d
  • w Number: width of the GuiSlider2d (default is 256)
  • h Number: height of the GuiSlider2d (default is 256)
  • minX Number: lower bound of the value's x range (default value is -1)
  • maxX Number: upper bound of the value's x range (default value is 1)
  • minY Number: lower bound of the value's y range (default value is -1)
  • maxY Number: upper bound of the value's y range (default value is 1)
Returns

GuiSlider2d

Variables

val

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Example
slider2d.val = {x: 0.5, y: 0.5};
if (slider2d.isChanged) {
    print(slider2d.val.x);
    print(slider2d.val.y);
}
Description

Value of the GuiSlider2d returned as object {x: valX, y: valY}.

valX

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Example
slider2d.valX = 0.5;
if (slider2d.isChanged) {
    print(slider2d.valX);
}
Description

X value of the GuiSlider2d.

valY

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Example
slider2d.valY = 0.5;
if (slider2d.isChanged) {
    print(slider2d.valY);
}
Description

Y value of the GuiSlider2d.

minX

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Example
slider2d.minX = -100;
Description

Lower x bound of the GuiSlider2d range.

maxX

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Example
slider2d.maxX = 100;
Description

Upper x bound of the GuiSlider2d range.

minY

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Example
slider2d.minY = -100;
Description

Lower y bound of the GuiSlider2d range.

maxY

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Example
slider2d.maxY = 100;
Description

Upper y bound of the GuiSlider2d range.

isInteger

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Example
slider2d.isInteger = True;
Description

Sets the mode of the GuiSlider2d so that all values are integers.

Functions

setStyle()

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Example
slider2d.setStyle("fillBg", color(255, 0, 0));
slider2d.setStyle({
    fillBg: color("#FF0000"),
    rounding: 10,
    handleRadius: 30
});
Description

Individual GuiSlider2d objects can be styled using this method. There are two types of input it takes. Use an input string and value to set an individual property, and use an Object with key/value notation to set multiple properties at once.

Syntax
setStyle(property, value)
setStyle(Object)
Parameters

property String: name of property to be set value Number|String|Object: value of property to be set Object Object: multiple propertys and values to be set

Returns

None

Style

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The GuiSlider2d style properties are:

  • strokeWeight Number: the weight (in pixels) of the stroke
  • rounding Number: radius of corners
  • handleRadius Number: radius of handle in pixels
  • fillBg p5.Color: default background fill color
  • fillBgHover p5.Color: hover background fill color
  • fillBgActive p5.Color: active background fill color
  • fillTrack p5.Color: default track fill color
  • fillTrackHover p5.Color: hover track fill color
  • fillTrackActive p5.Color: active track fill color
  • fillHandle p5.Color: default handle fill color
  • fillHandleHover p5.Color: hover handle fill color
  • fillHandleActive p5.Color: active handle fill color
  • strokeBg p5.Color: default background stroke color
  • strokeBgHover p5.Color: hover background stroke color
  • strokeBgActive p5.Color: active background stroke color
  • strokeTrack p5.Color: default track stroke color
  • strokeTrackHover p5.Color: hover track stroke color
  • strokeTrackActive p5.Color: active track stroke color
  • strokeHandle p5.Color: default handle stroke color
  • strokeHandleHover p5.Color: hover handle stroke color
  • strokeHandleActive p5.Color: active handle stroke color