Multitouch
in
Android Processing
•
3 months ago
Hello,
i found this example for multitouch:
import android.view.MotionEvent;
float x,y;
String[] fontList;
PFont androidFont;
int circleBaseSize = 512; // change this to make the touche circles bigger\smaller.
void setup() {
size(displayWidth, displayHeight);
// Fix the orientation so the sketch won't reset when rotated.
orientation(PORTRAIT);
stroke(255);
smooth();
// Setup Fonts:
fontList = PFont.list();
androidFont = createFont(fontList[0], 16, true);
textFont(androidFont);
textAlign(LEFT);
}
void draw() {
background(0);
}
void infoCircle(float x, float y, float siz, int id) {
// What is drawn on sceen when touched.
float diameter = circleBaseSize * siz;
noFill();
ellipse(x, y, diameter, diameter);
fill(0, 255, 0);
ellipse(x, y, 8, 8);
text( ("ID:"+ id + " " + int(x) + ", " + int(y) ), x-128, y-64);
}
//-----------------------------------------------------------------------------------------
// Override Processing's surfaceTouchEvent, which will intercept all
// screen touch events. This code only runs when the screen is touched.
boolean surfaceTouchEvent(MotionEvent me) {
// Number of places on the screen being touched:
int numPointers = me.getPointerCount();
for (int i=0; i < numPointers; i++) {
int pointerId = me.getPointerId(i);
float x = me.getX(i);
float y = me.getY(i);
// Added the .5 to make the outer ellipse noticeable
float siz = me.getSize(i) + .5;
infoCircle(x, y, siz, pointerId);
}
// If you want the variables for motionX/motionY, mouseX/mouseY etc.
// to work properly, you'll need to call super.surfaceTouchEvent().
return super.surfaceTouchEvent(me);
}
Is there a way to send the x,y variables to the draw() function? Or to call them in draw()?
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