groovyとJOGLでドーナツ型を描画する

groovyとJOGLでドーナツ型を描画するには、以下のコードを実行します。

import static javax.media.opengl.GL.*;
import java.io.*;
import javax.media.opengl.*;
import com.sun.opengl.util.*;

// 出力画像サイズ
width = 300
height = 300

GLDrawableFactory gldf = 
  GLDrawableFactory.getFactory()
GLCapabilities glc = new GLCapabilities()
glc.setDoubleBuffered(false)
GLPbuffer buf = gldf.createGLPbuffer(
  glc, null, width, height, null)
GL gl = buf.getGL()

buf.addGLEventListener(
[ init: {
  // 背景色
  gl.glClearColor(
    0xf0/0xff as Float, 
    0xf0/0xff as Float, 
    0xf0/0xff as Float,
    1f)
  },

  display: {
    GLUT glut = new GLUT()
    gl.glViewport(0, 0, width, height)

    // 透視投影
    gl.glMatrixMode(GL_PROJECTION)
    gl.glLoadIdentity()
    float ratio = height/width as Float
    gl.glFrustum(-1.0f, 1.0f, -ratio, ratio,
      5.0f, 40.0f)

    gl.glMatrixMode(GL_MODELVIEW)
    gl.glLoadIdentity()
    gl.glTranslatef(0.0f, 0.0f, -10.0f)

    gl.glEnable(GL_LIGHTING);
    gl.glEnable(GL_LIGHT0);
    gl.glEnable(GL_COLOR_MATERIAL);
    gl.glEnable(GL_NORMALIZE);
    gl.glEnable(GL_DEPTH_TEST);
    gl.glEnable(GL_CULL_FACE);
    gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

    gl.glPushMatrix()
    // 面の色を設定
    gl.glColor3f(
      0x77/0xff as Float, 
      0x99/0xff as Float, 
      0xff/0xff as Float
    )
    // X軸回転
    gl.glRotatef(20.0f, 1.0f, 0.0f, 0.0f)
    // Y軸回転
    gl.glRotatef(45.0f, 0.0f, 1.0f, 0.0f)
    // ドーナツを描画する
    glut.glutSolidTorus(0.5f, 1f, 32, 16)
    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1290a.png"), 
  width, height, true)
context.release()
context.destroy()

出力画像(sample1290a.png)


動作環境
JDK1.6 Update14, Groovy 1.6.3, JOGL 1.1.1a

関連情報
groovyとJOGLのまとめ

groovyとJOGLで円盤を描画する

groovyとJOGLで円盤を描画するには、以下のコードを実行します。

import static javax.media.opengl.GL.*;
import java.io.*;
import javax.media.opengl.*;
import javax.media.opengl.glu.*;
import com.sun.opengl.util.*;

// 出力画像サイズ
width = 300
height = 300

GLDrawableFactory gldf = 
  GLDrawableFactory.getFactory()
GLCapabilities glc = new GLCapabilities()
glc.setDoubleBuffered(false)
GLPbuffer buf = gldf.createGLPbuffer(
  glc, null, width, height, null)
GL gl = buf.getGL()

buf.addGLEventListener(
[ init: {
    // 背景色
    gl.glClearColor(
      0xf0/0xff as Float, 
      0xf0/0xff as Float, 
      0xf0/0xff as Float,
      1f)
  },

  display: {
    GLU glu = new GLU()
    gl.glViewport(0, 0, width, height)

    // 透視投影
    gl.glMatrixMode(GL_PROJECTION)
    gl.glLoadIdentity()
    float ratio = height/width as Float
    gl.glFrustum(-1.0f, 1.0f, -ratio, ratio,
      5.0f, 40.0f)

    gl.glMatrixMode(GL_MODELVIEW)
    gl.glLoadIdentity()
    gl.glTranslatef(0.0f, 0.0f, -10.0f)

    gl.glClear(GL_COLOR_BUFFER_BIT);

    // 面の色を設定
    gl.glColor3f(
      0x77/0xff as Float, 
      0x99/0xff as Float, 
      0xff/0xff as Float
    )
    gl.glPushMatrix()
    // X軸回転
    gl.glRotatef(45.0f, 1.0f, 0.0f, 0.0f)
    // Y軸回転
    gl.glRotatef(20.0f, 0.0f, 1.0f, 0.0f)
    // 円盤を描画する
    GLUquadric gluq = glu.gluNewQuadric()
    glu.gluDisk(gluq, 0.0, 1.0, 16, 4)
    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1289a.png"), 
  width, height, true)
context.release()
context.destroy()

実行結果(sample1289a.png)


動作環境
JDK1.6 Update14, Groovy 1.6.3, JOGL 1.1.1a

関連情報
groovyとJOGLのまとめ

PyWin32とImageMagickで円を描画する

PyWin32とImageMagickで円を描画するには、以下のコードを実行します。

# coding=UTF-8
import win32com.client

im = win32com.client.Dispatch("ImageMagickObject.MagickImage.1")
im.convert("-size", "200x200", "xc:white", 
  "-stroke", "#113377", "-fill", "#7799ff",
  "-draw", "circle 100,100,190,100", "sample1334a.png")

出力画像(sample1334a.png)


動作環境
Python3.1.1, Python for Windows Extensions (Build 214), ImageMagick6.5.5

groovyとJOGLで樽の形を描画する

groovyとJOGLで樽の形を描画するには、以下のコードを実行します。

import static javax.media.opengl.GL.*;
import java.io.*;
import javax.media.opengl.*;
import com.sun.opengl.util.*;

// 出力画像サイズ
width = 300
height = 300

def drawQuads(GL gl, 
  double p1x, double p1y, double p1z,
  double p2x, double p2y, double p2z,
  double p3x, double p3y, double p3z,
  double p4x, double p4y, double p4z)
{
      gl.glBegin(GL_QUADS)
      gl.glNormal3d(p1x, p1y, p1z)
      gl.glVertex3d(p1x, p1y, p1z)
      gl.glNormal3d(p2x, p2y, p2z)
      gl.glVertex3d(p2x, p2y, p2z)
      gl.glNormal3d(p3x, p3y, p3z)
      gl.glVertex3d(p3x, p3y, p3z)
      gl.glNormal3d(p4x, p4y, p4z)
      gl.glVertex3d(p4x, p4y, p4z)
      gl.glEnd()
}

GLDrawableFactory gldf = 
  GLDrawableFactory.getFactory()
GLCapabilities glc = new GLCapabilities()
glc.setDoubleBuffered(false)
GLPbuffer buf = gldf.createGLPbuffer(
  glc, null, width, height, null)
GL gl = buf.getGL()

buf.addGLEventListener(
[ init: {
    // 背景色
    gl.glClearColor(
      0xf0/0xff as Float, 
      0xf0/0xff as Float, 
      0xf0/0xff as Float,
      1f)
  },

  display: {
    GLUT glut = new GLUT()
    gl.glViewport(0, 0, width, height)

    // 透視投影
    gl.glMatrixMode(GL_PROJECTION)
    gl.glLoadIdentity()
    float ratio = height/width as Float
    gl.glFrustum(-1.0f, 1.0f, -ratio, ratio,
      5.0f, 40.0f)

    gl.glMatrixMode(GL_MODELVIEW)
    gl.glLoadIdentity()
    gl.glTranslatef(0.0f, 0.0f, -10.0f)

    gl.glEnable(GL_LIGHTING);
    gl.glEnable(GL_LIGHT0);
    gl.glEnable(GL_COLOR_MATERIAL);
    gl.glEnable(GL_NORMALIZE);
    gl.glEnable(GL_DEPTH_TEST);
//    gl.glEnable(GL_CULL_FACE);
    gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

    gl.glPushMatrix()
    // 面の色を設定
    gl.glColor3f(
      0x77/0xff as Float, 
      0x99/0xff as Float, 
      0xff/0xff as Float
    )
    // X軸回転
    gl.glRotatef(30.0f, 1.0f, 0.0f, 0.0f)
    // Y軸回転
    gl.glRotatef(50.0f, 0.0f, 1.0f, 0.0f)

    minr = 0.7
    maxr = 1.0
    slices = 16
    lr=2*Math.PI/slices
    dh = 0.5
    th = 2.5

    cx = new double[slices]
    cy = new double[slices]

    for(li in 0..slices-1){
      x1 = minr*Math.cos(lr*(li+1))
      y1 = minr*Math.sin(lr*(li+1))
      x2 = maxr*Math.cos(lr*(li+1))
      y2 = maxr*Math.sin(lr*(li+1))
      x3 = maxr*Math.cos(lr*li)
      y3 = maxr*Math.sin(lr*li)
      x4 = minr*Math.cos(lr*li)
      y4 = minr*Math.sin(lr*li)
      cx[li] = x4
      cy[li] = y4

      drawQuads(gl, 
        x4, y4, -th/2,
        x3, y3, -th/2+dh,
        x2, y2, -th/2+dh,
        x1, y1, -th/2)

      drawQuads(gl, 
        x2, y2, -th/2+dh,
        x3, y3, -th/2+dh,
        x3, y3, th/2-dh,
        x2, y2, th/2-dh)

      drawQuads(gl, 
        x1, y1, th/2,
        x2, y2, th/2-dh,
        x3, y3, th/2-dh,
        x4, y4, th/2)
    }

    gl.glBegin(GL_POLYGON)
    gl.glNormal3d(0,0,-1)
    for(li in 0..slices-1){
      gl.glVertex3d(cx[li], cy[li], -th/2)
    }
    gl.glEnd()

    gl.glBegin(GL_POLYGON)
    gl.glNormal3d(0,0,1)
    for(li in 0..slices-1){
      gl.glVertex3d(cx[li], cy[li], th/2)
    }
    gl.glEnd()
    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1288a.png"), 
  width, height, true)
context.release()
context.destroy()

出力画像(sample1288a.png)


動作環境
JDK1.6 Update14, Groovy 1.6.3, JOGL 1.1.1a

関連情報
groovyとJOGLのまとめ

groovyとJOGLでテクスチャの張られたポリゴンを描画する

groovyとJOGLでテクスチャの張られたポリゴンを描画するには、以下のコードを実行します。

import static javax.media.opengl.GL.*;
import java.io.*;
import javax.media.opengl.*;
import com.sun.opengl.util.*;
import com.sun.opengl.util.texture.*;

// 出力画像サイズ
width = 300
height = 300

GLDrawableFactory gldf = 
  GLDrawableFactory.getFactory()
GLCapabilities glc = new GLCapabilities()
glc.setDoubleBuffered(false)
GLPbuffer buf = gldf.createGLPbuffer(
  glc, null, width, height, null)
GL gl = buf.getGL()

buf.addGLEventListener(
[ init: {
    // 背景色
    gl.glClearColor(
      0xf0/0xff as Float, 
      0xf0/0xff as Float, 
      0xf0/0xff as Float,
      1f)
    Texture texture = TextureIO.newTexture(
      new File("sf.jpg"), true)
    texture.enable()
    texture.bind()
  },

  display: {
    GLUT glut = new GLUT()
    gl.glViewport(0, 0, width, height)

    // 透視投影
    gl.glMatrixMode(GL_PROJECTION)
    gl.glLoadIdentity()
    float ratio = height/width as Float
    gl.glFrustum(-1.0f, 1.0f, -ratio, ratio,
      5.0f, 40.0f)

    gl.glMatrixMode(GL_MODELVIEW)
    gl.glLoadIdentity()
    gl.glTranslatef(0.0f, 0.0f, -10.0f)

    gl.glEnable(GL_LIGHTING);
    gl.glEnable(GL_LIGHT0);
    gl.glEnable(GL_COLOR_MATERIAL);
    gl.glEnable(GL_NORMALIZE);
    gl.glEnable(GL_DEPTH_TEST);
    gl.glEnable(GL_CULL_FACE);
    gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

    gl.glPushMatrix()
    // Y軸回転
    gl.glRotatef(20.0f, 0.0f, 1.0f, 0.0f)
    // テクスチャが張られたポリゴンを描画
    gl.glBegin(GL_POLYGON)
    gl.glTexCoord2f(0.0f, 1.0f)
    gl.glVertex3f(-1.5f, -1.5f,  0.0f)
    gl.glTexCoord2f(1.0f, 1.0f)
    gl.glVertex3f(1.5f, -1.5f,  0.0f)
    gl.glTexCoord2f(1.0f, 0.0f)
    gl.glVertex3f(1.5f,  1.5f,  0.0f)
    gl.glTexCoord2f(0.0f, 0.0f)
    gl.glVertex3f(-1.5f,  1.5f,  0.0f)
    gl.glEnd()
    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1287a.png"), 
  width, height, true)
context.release()
context.destroy()

出力画像(sample1287a.png)


動作環境
JDK1.6 Update14, Groovy 1.6.3, JOGL 1.1.1a

関連情報
groovyとJOGLのまとめ

groovyとJOGLでつぶれた球を描画する

groovyとJOGLでつぶれた球を描画するには、以下のコードを実行します。

import static javax.media.opengl.GL.*;
import java.io.*;
import javax.media.opengl.*;
import com.sun.opengl.util.*;

// 出力画像サイズ
width = 300
height = 300

GLDrawableFactory gldf =
 GLDrawableFactory.getFactory()
GLCapabilities glc = new GLCapabilities()
glc.setDoubleBuffered(false)
GLPbuffer buf = gldf.createGLPbuffer(
 glc, null, width, height, null)
GL gl = buf.getGL()

buf.addGLEventListener(
[ init: {
 // 背景色
 gl.glClearColor(
   0xf0/0xff as Float,
   0xf0/0xff as Float,
   0xf0/0xff as Float,
   1f)
 },

 display: {
   GLUT glut = new GLUT()
   gl.glViewport(0, 0, width, height)

   // 透視投影
   gl.glMatrixMode(GL_PROJECTION)
   gl.glLoadIdentity()
   float ratio = height/width as Float
   gl.glFrustum(-1.0f, 1.0f, -ratio, ratio,
     5.0f, 40.0f)

   gl.glMatrixMode(GL_MODELVIEW)
   gl.glLoadIdentity()
   gl.glTranslatef(0.0f, 0.0f, -10.0f)

   gl.glEnable(GL_LIGHTING);
   gl.glEnable(GL_LIGHT0);
   gl.glEnable(GL_COLOR_MATERIAL);
   gl.glEnable(GL_NORMALIZE);
   gl.glEnable(GL_DEPTH_TEST);
   gl.glEnable(GL_CULL_FACE);
   gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

   gl.glPushMatrix()
   // 面の色を設定
   gl.glColor3f(
     0x77/0xff as Float,
     0x99/0xff as Float,
     0xff/0xff as Float
   )
   // X軸回転
   gl.glRotatef(45.0f, 1.0f, 0.0f, 0.0f)
   // Y軸回転
   gl.glRotatef(45.0f, 0.0f, 1.0f, 0.0f)
   // 球を描画
   gl.glScalef(1f,1f,0.5f)
   glut.glutSolidSphere(1.5f, 32, 32)
   gl.glPopMatrix()
 },

 reshape: {},
 displayChanged: {}
] as GLEventListener
)
GLContext context =
 buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
 new File("sample1286a.png"),
 width, height, true)
context.release()
context.destroy()

出力画像(sample1286a.png)


動作環境
JDK1.6 Update14, Groovy 1.6.3, JOGL 1.1.1a

関連情報
groovyとJOGLのまとめ

groovyとJOGLで立方体の市松模様を描画する

groovyとJOGLで立方体の市松模様を描画するには、以下のコードを実行します。

import static javax.media.opengl.GL.*;
import java.io.*;
import javax.media.opengl.*;
import com.sun.opengl.util.*;

// 出力画像サイズ
width = 300
height = 300

GLDrawableFactory gldf =
 GLDrawableFactory.getFactory()
GLCapabilities glc = new GLCapabilities()
glc.setDoubleBuffered(false)
GLPbuffer buf = gldf.createGLPbuffer(
 glc, null, width, height, null)
GL gl = buf.getGL()

buf.addGLEventListener(
[ init: {
 // 背景色
 gl.glClearColor(
   0x77/0xff as Float,
   0x99/0xff as Float,
   0xff/0xff as Float,
   1f)
 },

 display: {
   GLUT glut = new GLUT()
   gl.glViewport(0, 0, width, height)

   // 透視投影
   gl.glMatrixMode(GL_PROJECTION)
   gl.glLoadIdentity()
   float ratio = height/width as Float
   gl.glFrustum(-1.0f, 1.0f, -ratio, ratio,
     5.0f, 40.0f)

   gl.glMatrixMode(GL_MODELVIEW)
   gl.glLoadIdentity()
   gl.glTranslatef(-4.0f, -6.0f, -25.0f)

   gl.glEnable(GL_LIGHTING);
   gl.glEnable(GL_LIGHT0);
   gl.glEnable(GL_COLOR_MATERIAL);
   gl.glEnable(GL_NORMALIZE);
   gl.glEnable(GL_DEPTH_TEST);
//    gl.glEnable(GL_CULL_FACE);
   gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

   gl.glPushMatrix()
   // X軸回転
   gl.glRotatef(30.0f, 1.0f, 0.0f, 0.0f)
   // Y軸回転
   gl.glRotatef(35.0f, 0.0f, 1.0f, 0.0f)

   cs = 0.4f
   gs = 0.5f
   xs = 20
   ys = 20
   for(ly in 0..ys-1){
     for(lx in 0..xs-1){
       if( (lx+ly)%2 == 0 ){
         gl.glColor3f(
           0xff/0xff as Float,
           0xff/0xff as Float,
           0xff/0xff as Float
         )
       } else {
         gl.glColor3f(
           0xe0/0xff as Float,
           0xb0/0xff as Float,
           0x40/0xff as Float
         )
       }
       gl.glTranslatef(gs, 0.0f, 0.0f)
       glut.glutSolidCube(cs)
     }
     gl.glTranslatef(-gs*xs as Float, gs, 0.0f)
   }
   gl.glPopMatrix()
 },

 reshape: {},
 displayChanged: {}
] as GLEventListener
)
GLContext context =
 buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
 new File("sample1285a.png"),
 width, height, true)
context.release()
context.destroy()

出力画像(sample1285a.png)


動作環境
JDK1.6 Update14, Groovy 1.6.3, JOGL 1.1.1a

関連情報
groovyとJOGLのまとめ

groovyとJOGLで市松模様の面を描画する

groovyとJOGLで市松模様の面を描画するには、以下のコードを実行します。

import static javax.media.opengl.GL.*;
import java.io.*;
import javax.media.opengl.*;
import com.sun.opengl.util.*;

// 出力画像サイズ
width = 300
height = 300

GLDrawableFactory gldf =
 GLDrawableFactory.getFactory()
GLCapabilities glc = new GLCapabilities()
glc.setDoubleBuffered(false)
GLPbuffer buf = gldf.createGLPbuffer(
 glc, null, width, height, null)
GL gl = buf.getGL()

buf.addGLEventListener(
[ init: {
 // 背景色
 gl.glClearColor(
   0x77/0xff as Float,
   0x99/0xff as Float,
   0xff/0xff as Float,
   1f)
 },

 display: {
   GLUT glut = new GLUT()
   gl.glViewport(0, 0, width, height)

   // 透視投影
   gl.glMatrixMode(GL_PROJECTION)
   gl.glLoadIdentity()
   float ratio = height/width as Float
   gl.glFrustum(-1.0f, 1.0f, -ratio, ratio,
     5.0f, 40.0f)

   gl.glMatrixMode(GL_MODELVIEW)
   gl.glLoadIdentity()
   gl.glTranslatef(-2.0f, -2.0f, -12.0f)

   gl.glEnable(GL_LIGHTING);
   gl.glEnable(GL_LIGHT0);
   gl.glEnable(GL_COLOR_MATERIAL);
   gl.glEnable(GL_NORMALIZE);
   gl.glEnable(GL_DEPTH_TEST);
//    gl.glEnable(GL_CULL_FACE);
   gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

   gl.glPushMatrix()
   // X軸回転
   gl.glRotatef(-70.0f, 1.0f, 0.0f, 0.0f)

   tw = 0.4f
   th = 0.4f
   xs = 10
   ys = 10
   for(ly in 0..ys-1){
     for(lx in 0..xs-1){
       if( (lx+ly)%2 == 0 ){
         gl.glColor3f(
           0xf0/0xff as Float,
           0xf0/0xff as Float,
           0xf0/0xff as Float
         )
       } else {
         gl.glColor3f(
           0x40/0xff as Float,
           0x40/0xff as Float,
           0x40/0xff as Float
         )
       }
       gl.glRectf(lx*tw as Float,
         ly*th as Float,
         (lx+1)*tw as Float,
         (ly+1)*tw as Float)
     }
   }
   gl.glPopMatrix()
 },

 reshape: {},
 displayChanged: {}
] as GLEventListener
)
GLContext context =
 buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
 new File("sample1284a.png"),
 width, height, true)
context.release()
context.destroy()

出力画像(sample1284a.png)


動作環境
JDK1.6 Update14, Groovy 1.6.3, JOGL 1.1.1a

関連情報
groovyとJOGLのまとめ

PyWin32とImageMagickで直線を描画する

PyWin32とImageMagickで直線を描画するには、以下のコードを実行します。

# coding=UTF-8
import win32com.client

im = win32com.client.Dispatch("ImageMagickObject.MagickImage.1")
im.convert("-size", "200x200", "xc:white", 
  "-stroke", "#7799ff", 
  "-draw", "stroke-width 4 line 0,0,199,199", "sample1333a.png")

出力画像(sample1333a.png)


動作環境
Python3.1.1, Python for Windows Extensions (Build 214), ImageMagick6.5.5