import guicomponents.*;

import android.view.MotionEvent;

float x11,y22, x,y,x1,y1,x2,y2,z4,press1,press2;

int pointNum;

float zoom;

PImage car;

void setup() {

  zoom = 1;

size(screenWidth, screenHeight);

car = loadImage("Nam.jpg");

stroke(0);

}

void draw() {

background(240);

scale(zoom);

//fill(press1*200,0,0);

//ellipse(x1,y1,press1*300,press1*300);

//fill(0,press2*200,0);

//ellipse(x2,y2,press2*300,press2*300);

 image(car, 200, 400, car.width/5.4, car.height/5.8);

rect(100,200,10,10);

}

boolean surfaceTouchEvent(MotionEvent event) {

pointNum=event.getPointerCount();

switch (event.getAction() & MotionEvent.ACTION_MASK) {

case MotionEvent.ACTION_POINTER_DOWN:

// User is pressing down another finger.

float x11 = event.getX(0) - event.getX(1);

float y22 = event.getY(0) - event.getY(1);

z4 = sqrt(x11*x11+y22*y22);

println("z4:" + z4);

break;

case MotionEvent.ACTION_POINTER_UP:

// User is released one of the fingers.

break;

case MotionEvent.ACTION_MOVE:

x1=event.getX(0);x2=event.getX(1);

y1=event.getY(0);y2=event.getY(1);

//float z3 = dist(x1,y1,x2,y2);

float x = event.getX(0) - event.getX(1);

float y= event.getY(0) - event.getY(1);

float z3 = sqrt(x*x+y*y);

println("z3:" + z3);

if (pointNum == 2 ) {

if ( z3 < z4 ) {

 zoom = z3/z4;

 println("smaller");

}

else{

 zoom = z3/z4;

 println("bigger");

 }

}

press1=event.getSize(0);

press2=event.getSize(1);

break;

}

return super.surfaceTouchEvent(event);

}