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2023-06-05 09:09:48 +00:00
---
title: 第8週
date: 2023-06-02
weight: 8
---
# 2023年 東京藝術大学 芸術情報センター開設科目 「コードとデザイン」 第8回
## スライド
{{< button href="2023-code-and-design-8.pdf">}}スライドPDF{{< /button >}}
{{< button href="slides">}}スライドHTML{{< /button >}}
## Processingサンプルコード
### minimal_pong.pde
{{< button href="examples/minimal_pong/minimal_pong.pde">}}DL{{< /button >}}
```java
class Ball {
float x;
float y;
float vel_x;
float vel_y;
Ball() {
this.x = width/2;
this.y = height/2;
this.vel_x = random(0, 1.0) > 0.5 ? -3 : 3;
this.vel_y = random(0, 1.0) > 0.5 ? -3 : 3;
}
public void update_pos() {
this.x += this.vel_x;
this.y += this.vel_y;
if (this.x <0 || this.x > width) {
this.reflect_horizontal();
}
if (this.y < 0 ) {
this.reflect_vertical();
}
}
void reflect_horizontal() {
this.vel_x = -this.vel_x*1.1;
}
public void reflect_vertical() {
this.vel_y = -this.vel_y*1.1;
}
}
final float bar_width = 100;
final float bar_y = 550;
float bar_pos = 0.;
boolean gameover = false;
Ball ball = new Ball();
void setup() {
size(600, 600);
textMode(CENTER);
rectMode(CENTER);
}
void draw() {
ball.update_pos();
if (ball.y>height) {
gameover = true;
}
if (gameover) {
textSize(24);
text("game over", width/2, height/2);
} else {
bar_pos = mouseX;
if (ball.y > bar_y &&
ball.x > bar_pos - bar_width/2 &&
ball.x < bar_pos + bar_width/2) {
ball.reflect_vertical();
}
background(255);
fill(0);
rect(bar_pos, bar_y, bar_width, 30);
ellipse(ball.x, ball.y, 10, 10);
}
}
void mousePressed() {
if (gameover) {
gameover =false;
ball = new Ball();
}
}
```
### minimal_pong_firmata.pde
{{< button href="examples/minimal_pong_firmata/minimal_pong_firmata.pde">}}DL{{< /button >}}
```java
import processing.serial.*;
import cc.arduino.*;
import org.firmata.*;
class Ball {
float x;
float y;
float vel_x;
float vel_y;
Ball() {
this.x = width/2;
this.y = height/2;
this.vel_x = random(0, 1.0)> 0.5 ? -5:5;
this.vel_y = random(0, 1.0)> 0.5 ? -5:5;
}
public void update_pos() {
this.x += this.vel_x;
this.y += this.vel_y;
if (this.x <0 || this.x > width) {
this.reflect_horizontal();
}
if (this.y < 0 ) {
this.reflect_vertical();
}
}
void reflect_horizontal() {
this.vel_x = -this.vel_x*1.1;
}
public void reflect_vertical() {
this.vel_y = -this.vel_y*1.1;
}
}
final float bar_width = 100;
final float bar_y = 550;
float bar_pos = 0.;
boolean gameover = false;
Ball ball = new Ball();
Arduino arduino;
void setup() {
size(600, 600);
rectMode(CENTER);
textAlign(CENTER);
println(Arduino.list());
//リストアップされたもののうち、"tty.usbmodem"を含む番号を選択(not cu.usbmodem)
arduino = new Arduino(this, Arduino.list()[5], 57600);
arduino.pinMode(2,Arduino.INPUT);
}
void draw() {
bar_pos = map(arduino.analogRead(0), 0., 1024., 0., width);
if (arduino.digitalRead(2) == Arduino.HIGH){
buttonPressed();
}
ball.update_pos();
if (ball.y>height) {
gameover = true;
}
if (gameover) {
textSize(24);
text("game over", width/2, height/2);
} else {
if (ball.y > bar_y &&
ball.x > bar_pos - bar_width/2 &&
ball.x < bar_pos + bar_width/2) {
ball.reflect_vertical();
}
background(255);
fill(0);
rect(bar_pos, bar_y, bar_width, 30);
ellipse(ball.x, ball.y, 10, 10);
}
}
void buttonPressed() {
if (gameover) {
gameover = false;
ball = new Ball();
}
}
```