圖片
//int a=10
size(600,600);
PImage img=loadImage("img.jpg");
PVector pt=new ector(10 , 20, 0);
image(img ,0 ,0);
println(pt.x);5
//以前要用的時候
float userX=10,userY=20,userZ=0;
float user2X=30,user2Y=40,user2Z=0;
//現在可以用的物件，來讓他有條理
PVector user=new PVector(10,20,0);
PVector user2=new PVector(10,20,0);
_______________________________________________________________________
arduino
void setup() {
// put your setup code here, to run once:
pinMode(2,INPUT_PULLUP);
Serial.begin(9600);
}
void loop() {
// put your main code here, to run repeatedly:
int x=analogRead(A0);
int y=analogRead(A1);
int sw=digitalRead(2);
Serial.write(x/4);
Serial.write(y/4);
Serial.write(sw);
delay(20);
}
processing
PVector user;
PVector Y,v=null;
void setup(){
size(600,600);
user = new PVector(100,300.);
Y=new PVector(100,300);
}
void draw(){
background(255);
line(user.x,user.y,Y.x,Y.y);
textSize(40);
fill(255,0,0); text("Y",Y.x,Y.y);
fill(255); ellipse(user.x, user.y,20,20);
if(v!=null) user.add(v);
}
void mouseReleased(){
PVector diff = PVector.sub(Y,user);
v = diff.div(10);
}___________________________________________________
import processing.serial.*;
Serial myPort;
void setup(){
size(256,256);
myPort = new Serial(this, "COM6",9600);
}
int bal1X=0,bal1Y=0;
void draw()
{
if(myPort.available()>=3)
{
int x = myPort.read();
int y = myPort.read();
int sw = myPort.read();
bal1X=x;
bal1Y=y;
}
ellipse(bal1X,bal1Y,10,10);
}
Arduino程式碼
void setup()
{
pinMode(2, INPUT_PULLUP);//拉高的Input
Serial.begin(9600);//開始設定USB的傳輸速度
}
void loop() {//1000Hz (1000 fps)
int x = analogRead(A0);//0...1023
int y = analogRead(A1);//0...1023
int sw= digitalRead(2);//HIGH(放開)
Serial.write (x/4);//第1個byte
Serial.write(y/4);//第2個byte
Serial.write (sw); //第3個byte
delay(20);//1000ms/20ms => 50fps,變慢了
}
