boolean drawFlag = true; //謠冗判繧定｡後≧繧ｿ繧､繝溘Φ繧ｰ縺九←縺�°繧呈ｱｺ螳壹☆繧九�
void setup() {
size(400, 400);
}
void draw() {
if (drawFlag) { //謠冗判繧ｿ繧､繝溘Φ繧ｰ縺ｧ縺ゅｌ縺ｰ
background(255);
float cx = width/2; //蜀��荳ｭ蠢�(x)
float cy = height/2; //蜀��荳ｭ蠢�(y)
float innerRadius = 0; //蜀��縺ｮ貂ｦ縺ｮ蜊雁ｾ�
float outerRadius = 0; //螟門�縺ｮ貂ｦ縺ｮ蜊雁ｾ�
float innerRadiusBlur = 0; //蜀��縺ｮ貂ｦ縺ｮ蜊雁ｾ��豁ｪ縺ｿ譛螟ｧ蛟､
float outerRadiusBlur = 0; //螟門�縺ｮ貂ｦ縺ｮ蜊雁ｾ��豁ｪ縺ｿ譛螟ｧ蛟､
float innerRadiusBlurTarget = 0; //蜀��縺ｮ貂ｦ縺ｮ蜊雁ｾ��豁ｪ縺ｿ譛螟ｧ蛟､縺ｮ逶ｮ讓吝､
float outerRadiusBlurTarget = 10; //蜀��縺ｮ貂ｦ縺ｮ蜊雁ｾ��豁ｪ縺ｿ譛螟ｧ蛟､縺ｮ逶ｮ讓吝､
float angle = 0.1; //蜀��縺ｮ貂ｦ縺ｨ螟門�縺ｮ貂ｦ繧呈磁邯壹☆繧狗ｷ壹�蛯ｾ縺�
float angleTarget = 0.1; //蜀��縺ｮ貂ｦ縺ｨ螟門�縺ｮ貂ｦ繧呈磁邯壹☆繧狗ｷ壹�蛯ｾ縺阪�逶ｮ讓吝､
for (int i=0; i<200; i++) {
innerRadius += 1.3; //蜀��縺ｮ貂ｦ縺ｮ蜊雁ｾ�ｒ谿ｵ髫守噪縺ｫ螟ｧ縺阪￥縺励※縺�￥
outerRadius += 2.3; //蜀��縺ｮ貂ｦ縺ｮ蜊雁ｾ�ｒ谿ｵ髫守噪縺ｫ螟ｧ縺阪￥縺励※縺�￥
if (random(20) > 18) { // 10%縺ｮ遒ｺ邇�〒
innerRadiusBlurTarget = random(30); //蜀��縺ｮ豁ｪ縺ｿ譛螟ｧ驥上ｒ螟画峩縺吶ｋ 譛菴�0 -> 譛螟ｧ30
}
if (random(20) > 18) { // 10%縺ｮ遒ｺ邇�〒
outerRadiusBlurTarget = 30 + random(30); //螟門�縺ｮ豁ｪ縺ｿ譛螟ｧ驥上ｒ螟画峩縺吶ｋ 譛菴�30 -> 譛螟ｧ60
}
if (random(20) > 19) { // 5%縺ｮ遒ｺ邇�〒
angleTarget = random(PI)*0.3 + 0.2; //蜀��縺ｮ貂ｦ縺ｨ螟門�縺ｮ貂ｦ繧呈磁邯壹☆繧狗ｷ壹�蛯ｾ縺阪�逶ｮ讓吝､繧貞､画峩縺吶ｋ 譛菴�0.2 -> 譛螟ｧ ﾏ縺ｮ30%+0.2
}
innerRadiusBlur += (innerRadiusBlurTarget - innerRadiusBlur)/10.0; //逶ｮ讓吝､縺ｫ蜷代°縺｣縺ｦ繧､繝ｼ繧ｸ繝ｳ繧ｰ繧偵°縺代↑縺後ｉ霑代▼縺代※縺�￥
outerRadiusBlur += (outerRadiusBlurTarget - outerRadiusBlur)/10.0; //逶ｮ讓吝､縺ｫ蜷代°縺｣縺ｦ繧､繝ｼ繧ｸ繝ｳ繧ｰ繧偵°縺代↑縺後ｉ霑代▼縺代※縺�￥
angle += (angleTarget - angle)/20.0; //逶ｮ讓吝､縺ｫ蜷代°縺｣縺ｦ繧､繝ｼ繧ｸ繝ｳ繧ｰ繧偵°縺代↑縺後ｉ霑代▼縺代※縺�￥
//p1縺ｯ蜀��縺ｮ貂ｦ縺ｮ菴咲ｽｮ繧呈ｱｺ螳壹☆繧�
float radian = TWO_PI / 100.0 * i; //隗貞ｺｦ 0 -> 4ﾏ (720蠎ｦ)
float radius = innerRadius + innerRadiusBlur; //蜊雁ｾ� 蝓ｺ譛ｬ蛟､ + 繝悶Ξ蛟､
float p1x = cos(radian) * radius + cx;
float p1y = sin(radian) * radius + cy;
//p2縺ｯ蜀��縺ｮ貂ｦ縺ｮ菴咲ｽｮ繧呈ｱｺ螳壹☆繧�
radian += angle; //蜀��縺ｮ隗貞ｺｦ縺ｫ縲悟�蛛ｴ縺ｮ貂ｦ縺ｨ螟門�縺ｮ貂ｦ繧呈磁邯壹☆繧狗ｷ壹�蛯ｾ縺阪阪ｒ蜉�邂励☆繧�
radius = outerRadius + outerRadiusBlur; //蜊雁ｾ� 蝓ｺ譛ｬ蛟､ + 繝悶Ξ蛟､
float p2x = cos(radian) * radius + cx;
float p2y = sin(radian) * radius + cy;
line(p1x, p1y, p2x, p2y);
}
drawFlag = false; //謠冗判縺檎ｵゆｺ�＠縺溘�縺ｧ繝輔Λ繧ｰ繧断alse縺ｫ縺励※縺翫￥
}
}
void mousePressed() {
drawFlag = true; //謠冗判繧ｿ繧､繝溘Φ繧ｰ縺ｫ縺吶ｋ
}