controlp5/examples/use/ControlP5sliderSetValue/ControlP5sliderSetValue.pde

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/**
* ControlP5 Slider set value
* changes the value of a slider on keyPressed
*
* by Andreas Schlegel, 2012
* www.sojamo.de/libraries/controlP5
*
*/
import controlP5.*;
ControlP5 cp5;
int myColorBackground = color(0,0,0);
int sliderValue = 100;
void setup() {
size(400,400);
noStroke();
cp5 = new ControlP5(this);
cp5.addSlider("sliderValue")
.setRange(100,200)
.setValue(120)
.setPosition(100,200)
.setSize(100,10)
;
cp5.addSlider("slider")
.setRange(100,200)
.setValue(128)
.setPosition(100,160)
.setSize(100,10);
}
void draw() {
background(myColorBackground);
fill(sliderValue);
rect(0,0,width,100);
}
void slider(int theColor) {
myColorBackground = color(theColor);
println("a slider event. setting background to "+theColor);
cp5.getController("sliderValue").setValue(theColor);
}
void keyPressed() {
cp5.getController("sliderValue").setValue(150);
}