add week 8

content/docs/2023/code-design/8/_index.md

@@ -0,0 +1,183 @@
+---
+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();
+  }
+}
+
+```