groovyとJOGLで複数の直方体をスプリング状に配置する

groovyとJOGLで複数の直方体をスプリング状に配置するには、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, 80.0f)

    gl.glMatrixMode(GL_MODELVIEW)
    gl.glLoadIdentity()
    gl.glTranslatef(0.0f, -0.5f, -30.0f)

    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(15.0f, 1.0f, 0.0f, 0.0f)
    // Y軸回転
    gl.glRotatef(70.0f, 0.0f, 1.0f, 0.0f)

    cs = 0.5f
    gs = 0.05f
    for(lx in -100..800-1){
      gl.glPushMatrix()
      gl.glRotatef(5f*lx as float, 1.0f, 0.0f, 0.0f)
      gl.glTranslatef(gs*lx as float, 2f, 0f)
      gl.glScalef(1f,1f,0.2f)
      glut.glutSolidCube(cs)
      gl.glPopMatrix()
    }

    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1311a.png"), 
  width, height, true)
context.release()
context.destroy()

出力画像(sample1311a.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でスポットライトを使用する

groovyとJOGLでスポットライトを使用するには、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(
      0x58/0xff as Float, 
      0x50/0xff as Float, 
      0x50/0xff 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(-3.0f, -1.5f, -7.0f)

    gl.glEnable(GL_LIGHTING)
    gl.glEnable(GL_LIGHT0)
    gl.glEnable(GL_LIGHT1)
    gl.glEnable(GL_COLOR_MATERIAL)
    gl.glEnable(GL_NORMALIZE)
    gl.glEnable(GL_DEPTH_TEST)
    gl.glEnable(GL_CULL_FACE)

    // フォグの設定
    fog=[0.2f,0.2f,0.3f,1.0f]
    gl.glFogfv(GL_FOG_COLOR,fog as float[], 0)
    gl.glFogi(GL_FOG_MODE,GL.GL_EXP)
    gl.glFogf(GL_FOG_DENSITY, 0.04f)
    gl.glFogf(GL_FOG_START, 0.0f)
    gl.glFogf(GL_FOG_END,20.0f)
    gl.glEnable(GL_FOG)

    // 光源の位置
    l0pos = [-5.0f, 5.0f, 0.0f, 1.0f]
    gl.glLightfv(GL_LIGHT0, GL_POSITION, l0pos as float[], 0)
    // 環境光
    l0amb = [0.1f, 0.1f, 0.1f, 1.0f]
    gl.glLightfv(GL_LIGHT0, GL_AMBIENT, l0amb as float[], 0)
    // 拡散光
    l0dif = [0.2f, 0.2f, 0.2f, 1.0f]
    gl.glLightfv(GL_LIGHT0, GL_DIFFUSE, l0dif as float[], 0)
    // 鏡面光
    l0spe = [0.3f, 0.3f, 0.3f, 1.0f]
    gl.glLightfv(GL_LIGHT0, GL_SPECULAR, l0spe as float[], 0)

    // 光源の位置
    l1pos = [3.0f, 4.0f, -5.0f, 1.0f]
    gl.glLightfv(GL_LIGHT1, GL_POSITION, l1pos as float[], 0)
    // 環境光
    l1amb = [0.2f, 0.2f, 0.1f, 1.0f]
    gl.glLightfv(GL_LIGHT1, GL_AMBIENT, l1amb as float[], 0)
    // 拡散光
    l1dif = [0.5f, 0.5f, 0.3f, 1.0f]
    gl.glLightfv(GL_LIGHT1, GL_DIFFUSE, l1dif as float[], 0)
    // 鏡面光
    l1spe = [0.8f, 0.8f, 0.2f, 1.0f]
    gl.glLightfv(GL_LIGHT1, GL_SPECULAR, l1spe as float[], 0)
    // スポットライト
    l1dir = [0.1f, -1.0f, 0.0f]
    gl.glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, l1dir as float[], 0)
    gl.glLightf(GL_LIGHT1, GL_SPOT_CUTOFF, 30.0f)
    gl.glLightf(GL_LIGHT1, GL_SPOT_EXPONENT, 5.0f)

    gl.glClear(GL_COLOR_BUFFER_BIT
      | GL_DEPTH_BUFFER_BIT )

    gl.glPushMatrix()

    // 面の色を設定
    gl.glColor3f(
      0xff/0xff as float, 
      0xff/0xff as float, 
      0xff/0xff as float
    )

    // X軸回転
    gl.glRotatef(15.0f, 1.0f, 0.0f, 0.0f)
    // Y軸回転
    gl.glRotatef(30.0f, 0.0f, 1.0f, 0.0f)

    cs = 0.4f
    gs = 0.5f
    xs = 100
    zs = 100
    for(lz in -3..zs-1){
      for(lx in -3..xs-1){
        gl.glPushMatrix()
        ch = cs * (float)(Math.random()*1.0) as float
        gl.glScalef(1f,ch, 1f)
        gl.glTranslatef(lx*gs as float, 
          -(cs-ch)/2 as float, -1*lz*gs as float)
        glut.glutSolidCube(cs)
        gl.glPopMatrix()
      }
    }

    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1310a.png"), 
  width, height, true)
context.release()
context.destroy()

出力画像(sample1310a.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で球状に配置された立方体を描画する

groovyとJOGLで球状に配置された立方体を描画するには、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, -22.0f)

    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(15.0f, 1.0f, 0.0f, 0.0f)
    // Y軸回転
    gl.glRotatef(30.0f, 0.0f, 1.0f, 0.0f)
    // Z軸回転
    gl.glRotatef(60.0f, 0.0f, 0.0f, 1.0f)

    slices = 32
    rad = 3f
    cs = 0.25f

    for(ly in 0..slices-1){
      for(lz in 0..slices-1){
        gl.glPushMatrix()
        // Y軸回転
        gl.glRotatef(360f/slices*ly as float, 
          0.0f, 1.0f, 0.0f)
        // Z軸回転
        gl.glRotatef(360f/slices*lz as float, 
          0.0f, 0.0f, 1.0f)
        gl.glTranslatef(0f, rad, 0f)

        glut.glutSolidCube(cs)
        gl.glPopMatrix()
      }
    }

    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1309a.png"), 
  width, height, true)
context.release()
context.destroy()

出力画像(sample1309a.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で複数の直方体を凸凹に配置する

groovyとJOGLで複数の直方体を凸凹に配置するには、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(
      0x58/0xff as Float, 
      0x50/0xff as Float, 
      0x50/0xff 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(-3.0f, -1.5f, -7.0f)

    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)

    // フォグの設定
    fog=[0.1f,0.1f,0.2f,1.0f]
    gl.glFogfv(GL_FOG_COLOR,fog as float[], 0)
    gl.glFogi(GL_FOG_MODE,GL.GL_EXP)
    gl.glFogf(GL_FOG_DENSITY, 0.08f)
    gl.glFogf(GL_FOG_START, 0.0f)
    gl.glFogf(GL_FOG_END,20.0f)
    gl.glEnable(GL_FOG)

    // 光源の位置
    l1pos = [-5.0f, 5.0f, 0.0f, 1.0f]
    gl.glLightfv(GL_LIGHT0, GL_POSITION, l1pos as float[], 0)
    // 環境光
    l1amb = [0.2f, 0.2f, 0.1f, 1.0f]
    gl.glLightfv(GL_LIGHT0, GL_AMBIENT, l1amb as float[], 0)
    // 拡散光
    l1dif = [0.9f, 0.9f, 0.9f, 1.0f]
    gl.glLightfv(GL_LIGHT0, GL_DIFFUSE, l1dif as float[], 0)
    // 鏡面光
    l1spe = [0.9f, 0.9f, 0.9f, 1.0f]
    gl.glLightfv(GL_LIGHT0, GL_SPECULAR, l1spe as float[], 0)

    gl.glClear(GL_COLOR_BUFFER_BIT
      | GL_DEPTH_BUFFER_BIT )

    gl.glPushMatrix()

    // 面の色を設定
    gl.glColor3f(
      0xff/0xff as float, 
      0xff/0xff as float, 
      0xff/0xff as float
    )

    // X軸回転
    gl.glRotatef(15.0f, 1.0f, 0.0f, 0.0f)
    // Y軸回転
    gl.glRotatef(30.0f, 0.0f, 1.0f, 0.0f)

    cs = 0.5f
    gs = 0.6f
    xs = 50
    zs = 50
    for(lz in -3..zs-1){
      for(lx in -3..xs-1){
        gl.glPushMatrix()
        ch = cs * (float)(Math.random()*1.0) as float
        gl.glScalef(1f,ch, 1f)
        gl.glTranslatef(lx*gs as float, 
          -(cs-ch)/2 as float, -1*lz*gs as float)
        glut.glutSolidCube(cs)
        gl.glPopMatrix()
      }
    }

    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1308a.png"), 
  width, height, true)
context.release()
context.destroy()

出力画像(sample1308a.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で少しずつ回転させた複数の立方体を描画する

groovyとJOGLで少しずつ回転させた複数の立方体を描画するには、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(
      0x68/0xff as Float, 
      0x60/0xff as Float, 
      0x60/0xff 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, -0.5f, -30.0f)

    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.glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 
      GL_TRUE)

    gl.glEnable(GL_TEXTURE_2D)

    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(15.0f, 1.0f, 0.0f, 0.0f)
    // Y軸回転
    gl.glRotatef(20.0f, 0.0f, 1.0f, 0.0f)

    px = -7f
    py = 0f
    pz = 0f
    ry = 0f
    for(li in 0..19){
      gl.glPushMatrix();

      gl.glTranslatef(px as float, py, pz)
      // X軸回転
      gl.glRotatef(ry as float, 1.0f, 0.0f, 0.0f)
      glut.glutSolidCube(0.9f)
      px += 1f
      ry += 10f
      gl.glPopMatrix()
    }

    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1307a.png"), 
  width, height, true)
context.release()
context.destroy()

出力画像(sample1307a.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で画像をグレースケールの立体的な角丸四角に変換する

PyWin32とImageMagickで画像をグレースケールの立体的な角丸四角に変換するには、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:none", 
  "-fill", "white", "-draw", "roundrectangle 10,10,190,190,10,10", 
  "-matte", "-channel", "rgba", "sf.jpg", 
  "-compose", "src_in", "-composite", "-modulate", "160", 
  "-colorspace", "gray", "(", "-size", "200x200", "xc:none", 
  "-fill", "white", "-draw", "roundrectangle 10,10,190,190,10,10", 
  "-shade", "135x23", "-blur", "0x2", "-normalize", "-matte", 
  "-channel", "rgba", ")", "-swap", "0,1", "-compose", "overlay", 
  "-composite", "sample1340a.png")

出力画像(sample1340a.png)


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

groovyとJOGLで画像を放射状に配置する

groovyとJOGLで画像を放射状に配置するには、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

fn = [
"sample1182a.png",
"sample1189a.png",
"sample1191a.png",
"sample1194a.png",
"sample1195a.png",
"sample1196a.png",
"sample1197a.png",
"sample1198a.png",
"sample1199a.png",
"sample1201a.png",
"sample1202a.png",
"sample1206a.png"
]
textures = new Texture[fn.size]

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(
      0x68/0xff as Float, 
      0x60/0xff as Float, 
      0x60/0xff as Float,
      1f)
    for(fi in 0..fn.size-1){
      textures[fi] = 
        TextureIO.newTexture(
        new File(fn[fi]), true)
      textures[fi].enable();
    }
  },

  display: {
    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, -0.5f, -12.0f)

    gl.glEnable(GL_LIGHTING)
    gl.glEnable(GL_LIGHT0)
    gl.glEnable(GL_COLOR_MATERIAL)
    gl.glEnable(GL_AUTO_NORMAL);
    gl.glEnable(GL_NORMALIZE)
    gl.glEnable(GL_DEPTH_TEST)
//    gl.glEnable(GL_CULL_FACE)
    gl.glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 
      GL_TRUE)

    gl.glEnable(GL_TEXTURE_2D)

    gl.glClear(GL_COLOR_BUFFER_BIT
      | GL_DEPTH_BUFFER_BIT )

    gl.glPushMatrix()

    // X軸回転
    gl.glRotatef(15.0f, 1.0f, 0.0f, 0.0f)
    // Y軸回転
    gl.glRotatef(20.0f, 0.0f, 1.0f, 0.0f)

    da = 360f / fn.size
    ps = 2f
    for(qi in 0..fn.size-1){
      // テクスチャが張られたポリゴンを描画
      textures[qi].bind();
      px = ps * (float)Math.cos(
        Math.PI * da * qi / 180) as float
      pz = ps * (float)Math.sin(
        Math.PI * da * qi / 180) as float
      nx = ps * (float)Math.cos(
        Math.PI * (da * qi+90) / 180) as float
      nz = ps * (float)Math.sin(
        Math.PI * (da * qi+90) / 180) as float

      gl.glBegin(GL_QUADS)
      gl.glNormal3f(nx, 0.0f, nz)

      gl.glTexCoord2f(0.0f, 0.0f)
      gl.glVertex3f(0f, ps/2f as float, 0f)
      gl.glTexCoord2f(0.0f, 1.0f)
      gl.glVertex3f(0f, -ps/2f as float, 0f)
      gl.glTexCoord2f(1.0f, 1.0f)
      gl.glVertex3f(px, -ps/2f as float,  pz)
      gl.glTexCoord2f(1.0f, 0.0f)
      gl.glVertex3f(px, ps/2f as float, pz)
      gl.glEnd()
    }

    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1306a.png"), 
  width, height, true)
context.release()
context.destroy()

出力画像(sample1306a.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でポリゴンに繰り返しテクスチャを貼り付ける

groovyとJOGLでポリゴンに繰り返しテクスチャを貼り付けるには、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_r.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, -15.0f)

    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.glEnable(GL_TEXTURE_2D)
    gl.glEnable(GL_TEXTURE_GEN_S)
    gl.glEnable(GL_TEXTURE_GEN_T)

    gl.glClear(GL_COLOR_BUFFER_BIT
      | GL_DEPTH_BUFFER_BIT )

    gl.glPushMatrix()

    gl.glTexParameteri(GL_TEXTURE_2D, 
      GL_TEXTURE_WRAP_S, GL_REPEAT)
    gl.glTexParameteri(GL_TEXTURE_2D, 
      GL_TEXTURE_WRAP_T, GL_REPEAT)

    // Y軸回転
    gl.glRotatef(30.0f, 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(-2f, -2f,  0.0f)
    gl.glTexCoord2f(1.0f, 1.0f)
    gl.glVertex3f(2f, -2f,  0.0f)
    gl.glTexCoord2f(1.0f, 0.0f)
    gl.glVertex3f(2f,  2f,  0.0f)
    gl.glTexCoord2f(0.0f, 0.0f)
    gl.glVertex3f(-2f,  2f,  0.0f)
    gl.glEnd()

    gl.glPopMatrix()
  },

  reshape: {},
  displayChanged: {}
] as GLEventListener
)
GLContext context = 
  buf.createContext(null)
context.makeCurrent()
buf.display()
Screenshot.writeToFile(
  new File("sample1305a.png"), 
  width, height, true)
context.release()
context.destroy()

テクスチャ画像


出力画像(sample1305a.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