質問編集履歴
2
プログラムの追加
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@@ -23,6 +23,112 @@
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### 該当のソースコード
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```processing
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import ddf.minim.*;
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import ddf.minim.analysis.*;
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import ddf.minim.effects.*;
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import ddf.minim.signals.*;
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import ddf.minim.spi.*;
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import ddf.minim.ugens.*;
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Minim minim;
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AudioPlayer player;
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float playerIn;
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float x;
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float y;
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int buffersize = 512;
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int NUM = 10; //パーティクルの数
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//パーティクルを格納する配列
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ParticleVec2[] particles = new ParticleVec2[NUM];
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void setup() {
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fullScreen();
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smooth();
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frameRate(60);
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colorMode(HSB, 360, 100, 100, 100);
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minim = new Minim(this);
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player = minim.loadFile("Mountain.mp3");
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player.loop();
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for (int i = 0; i < NUM; i++) {
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particles[i] = new ParticleVec2();
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particles[i].location.set(width/2.0, height/2.3);
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}
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}
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void draw() {
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//背景をフェードさせる
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fill(0, 30);
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rect(0, 0, width, height);
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fill(100);
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//木
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colorMode(RGB);
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Tree(30, width/2, height, PI, width/8);
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//パーティクルの位置を更新して描画
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for (int i = 0; i < NUM; i++) {
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particles[i].update();
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particles[i].draw();
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particles[i].bounceOffWalls();
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}
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//地面
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fill(#959592);
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rect(0, 1030, 2000, 50);
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}
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//木の生成
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void Tree(float strokeWeight, float x, float y, float rotate, float length) {
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pushMatrix(); //座標を一時保存
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translate(x, y); //座標移動
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rotate(rotate); //座標回転
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strokeWeight(strokeWeight); //線の輪郭線の太さ
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stroke(#E57409); //線の色
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line(0, 0, 0, length); //線の描画,配列の長さ
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popMatrix(); //変更した座標を元に戻す
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if (strokeWeight<2)return;
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if (x%5>3 && strokeWeight<3)return;
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Tree(strokeWeight*2/3, x-sin(rotate)*length, y+cos(rotate)*length, rotate-PI/10, length*2/3);
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Tree(strokeWeight*2/3, x-sin(rotate)*length, y+cos(rotate)*length, rotate+PI/10, length*2/3);
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}
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void mouseClicked() {
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//パーティクルの数だけくりかえし
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for (int i = 0; i < NUM; i++) {
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//ランダムに加速度を設定 - ランダムの範囲を中央からの距離に
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float angle = random(PI * 2.0);
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float length = random(20);
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float posX = cos(angle) * length;
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float posY = sin(angle) * length;
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particles[i].acceleration.set(posX, posY);
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//下向きに0.1の重力
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particles[i].gravity.set(0.0, 0.1);
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//摩擦を0.01に
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particles[i].friction = 0.01;
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PVector force = new PVector(cos(angle) * length, sin(angle) * length);
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particles[i].addForce(force);
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}
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}
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void keyPressed(){
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for (int i = 0; i < NUM; i++) {
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particles[i] = new ParticleVec2();
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particles[i].location.set(width/2.0, height/2.3);
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}
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}
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void stop() {
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minim.stop();
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super.stop();
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}
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// ↑メイン ↓物理演算
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// 物体の運動を計算(運動方程式)
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class ParticleVec2 {
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PVector location; // 位置
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1
ソースコードの追加ミス
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -23,8 +23,7 @@
|
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|
23
23
|
### 該当のソースコード
|
|
24
24
|
|
|
25
25
|
```processing
|
|
26
|
-
ソースコード
|
|
27
|
-
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26
|
+
// 物体の運動を計算(運動方程式)
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27
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class ParticleVec2 {
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28
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PVector location; // 位置
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29
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PVector velocity; // 速度
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@@ -111,6 +110,7 @@
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acceleration.add(force); //力を加速度に加える
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}
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}
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```
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### 試したこと
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