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void setup()
{
  size(640, 480, P3D);
}

void draw()
{
  background(127, 127, 127);
  camera(100, -100, 100, 0, 0, 0, 0, 1, 0);
  axis(100);
}

void axis(float l)
{
  stroke(255, 0, 0);
  line(0, 0, 0, l, 0, 0);
  stroke(0, 255, 0);
  line(0, 0, 0, 0, l, 0);
  stroke(0, 0, 255);
  line(0, 0, 0, 0, 0, l);
}

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void draw()
{
  ...
  sphereandaxis();
}

void sphereandaxis()
{
  axis(30);
  stroke(0, 0, 0);
  sphere(20);
}
spherezero.png

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void draw()
{
  background(127, 127, 127);
  camera(100, -100, 100, 0, 0, 0, 0, 1, 0);
  axis(100);
  translate(0, -50, 0);
  sphereandaxis();
}
sphereymove.png

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void draw()
{
  background(127, 127, 127);
  camera(100, -100, 100, 0, 0, 0, 0, 1, 0);
  axis(100);
  rotate(radians(45), 0, 1, 0);
  sphereandaxis();
}
sphereroty45.png

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void draw()
{
  background(127, 127, 127);
  camera(100, -100, 100, 0, 0, 0, 0, 1, 0);
  axis(100);
  scale(1,2,1);
  sphereandaxis();
}
scaley2.png

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void draw()
{ 
  background(127, 127, 127);
  camera(100, -100, 100, 0, 0, 0, 0, 1, 0);
  axis(100);
  
  translate(50, 0, 0);
  sphereandaxis();
  translate(0, 0, 50);
  sphereandaxis();
}

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void draw()
{
  background(127, 127, 127);
  camera(100, -100, 100, 0, 0, 0, 0, 1, 0);
  axis(100);
 
  pushMatrix();
  translate(50, 0, 0);
  sphereandaxis();
  popMatrix();
  translate(0, 0, 50);
  sphereandaxis();
}

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 //Ãϵå¡Ê¤¿¤À¤·¼«Å¾¤·¤Æ¤¤¤Ê¤¤¡Ë
 rotateY(rad);
 translate(50, 0, 0);
 sphereandaxis();

 //·î¡Ê¤¿¤À¤·Ãϵå¤Î¼þ¤ê¤ò¤Þ¤ï¤Ã¤Æ¤¤¤Ê¤¤¡Ë
 //popMatrix¤Ç¹ÔÎó¥¹¥¿¥Ã¥¯¤ò¥ê¥»¥Ã¥È¤·¤Ê¤±¤ì¤Ð
 //¤³¤³¤«¤é¤ÏÃϵå¤ò´ð½à¤Ë¤·¤¿ºÂɸ·Ï¤Ë¤Ê¤Ã¤Æ¤¤¤ë
  
 translate(30, 0, 0);
 scale(0.5, 0.5, 0.5);
 sphereandaxis();

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