Example usage for org.lwjgl.opengl GL11 glBegin

List of usage examples for org.lwjgl.opengl GL11 glBegin

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glBegin.

Prototype

public static native void glBegin(@NativeType("GLenum") int mode);

Source Link

Document

Begins the definition of vertex attributes of a sequence of primitives to be transferred to the GL.

Usage

From source file:engine.obj.OBJLoader.java

License:Open Source License

/**
 * Renders a given <code>Obj</code> file.
 *
 * @param model the <code>Obj</code> file to be rendered
 *///from   w w  w.ja v  a  2  s .  c o  m
public void render(Obj model) {
    GL11.glMaterialf(GL_FRONT, GL_SHININESS, 120);
    GL11.glBegin(GL_TRIANGLES);
    {
        for (Obj.Face face : model.getFaces()) {
            Vector3f[] normals = { model.getNormals().get(face.getNormals()[0] - 1),
                    model.getNormals().get(face.getNormals()[1] - 1),
                    model.getNormals().get(face.getNormals()[2] - 1) };
            Vector2f[] texCoords = { model.getTextureCoordinates().get(face.getTextureCoords()[0] - 1),
                    model.getTextureCoordinates().get(face.getTextureCoords()[1] - 1),
                    model.getTextureCoordinates().get(face.getTextureCoords()[2] - 1) };
            Vector3f[] vertices = { model.getVertices().get(face.getVertices()[0] - 1),
                    model.getVertices().get(face.getVertices()[1] - 1),
                    model.getVertices().get(face.getVertices()[2] - 1) };
            {
                GL11.glNormal3f(normals[0].getX(), normals[0].getY(), normals[0].getZ());
                GL11.glTexCoord2f(texCoords[0].getX(), texCoords[0].getY());
                GL11.glVertex3f(vertices[0].getX(), vertices[0].getY(), vertices[0].getZ());
                GL11.glNormal3f(normals[1].getX(), normals[1].getY(), normals[1].getZ());
                GL11.glTexCoord2f(texCoords[1].getX(), texCoords[1].getY());
                GL11.glVertex3f(vertices[1].getX(), vertices[1].getY(), vertices[1].getZ());
                GL11.glNormal3f(normals[2].getX(), normals[2].getY(), normals[2].getZ());
                GL11.glTexCoord2f(texCoords[2].getX(), texCoords[2].getY());
                GL11.glVertex3f(vertices[2].getX(), vertices[2].getY(), vertices[2].getZ());
            }
        }
    }
    GL11.glEnd();
}

From source file:espresso3d.engine.renderer.E3DGeometryRenderer.java

License:Open Source License

public void renderPoint(E3DPoint point) {
    E3DVector4F color = point.getColor();
    E3DVector3F pos = point.getPos();//from  w  ww .  j a  va  2s.com

    GL11.glPointSize(100f);//(float)point.getSize());
    GL11.glBegin(GL11.GL_POINTS);// Begin Drawing The Line
    GL11.glColor4f((float) color.getA(), (float) color.getB(), (float) color.getC(), (float) color.getD()); //default all white color for the base polygon

    //Draw vertices
    GL11.glVertex3f((float) (pos.getX()), (float) (pos.getY()), (float) (pos.getZ()));
    GL11.glEnd();
}

From source file:espresso3d.engine.renderer.E3DGeometryRenderer.java

License:Open Source License

public void renderLine(E3DLine line) {
    E3DVector3F startColor = line.getStartColor();
    E3DVector3F endColor = line.getEndColor();
    E3DVector3F startPos = line.getStartPos();
    E3DVector3F endPos = line.getEndPos();

    GL11.glBegin(GL11.GL_LINES); // Begin Drawing The Line
    GL11.glColor4f((float) startColor.getX(), (float) startColor.getY(), (float) startColor.getZ(), 1.0F); //default all white color for the base polygon
    //Draw vertices
    GL11.glVertex3f((float) (startPos.getX()), (float) (startPos.getY()), (float) (startPos.getZ()));

    GL11.glColor4f((float) endColor.getX(), (float) endColor.getY(), (float) endColor.getZ(), 1.0F); //default all white color for the base polygon
    GL11.glVertex3f((float) (endPos.getX()), (float) (endPos.getY()), (float) (endPos.getZ()));
    GL11.glEnd();/*from w w  w.  j a va  2  s  .com*/

}

From source file:espresso3d.engine.renderer.E3DGeometryRenderer.java

License:Open Source License

private void renderSolidTriangle(E3DTriangle triangle) {
    disableAllTextureUnits();/*from   w ww  . ja  va  2s.  c om*/

    GL11.glBegin(GL11.GL_TRIANGLES); // Begin Drawing Triangles
    GL11.glColor4f((float) triangle.getVertexColorA().getA(), (float) triangle.getVertexColorA().getB(),
            (float) triangle.getVertexColorA().getC(), (float) triangle.getVertexColorA().getD());
    GL11.glVertex3f((float) (triangle.getVertexPosA().getX()), (float) (triangle.getVertexPosA().getY()),
            (float) (triangle.getVertexPosA().getZ()));

    GL11.glColor4f((float) triangle.getVertexColorB().getA(), (float) triangle.getVertexColorB().getB(),
            (float) triangle.getVertexColorB().getC(), (float) triangle.getVertexColorB().getD());

    GL11.glVertex3f((float) (triangle.getVertexPosB().getX()), (float) (triangle.getVertexPosB().getY()),
            (float) (triangle.getVertexPosB().getZ()));

    GL11.glColor4f((float) triangle.getVertexColorC().getA(), (float) triangle.getVertexColorC().getB(),
            (float) triangle.getVertexColorC().getC(), (float) triangle.getVertexColorC().getD());
    GL11.glVertex3f((float) (triangle.getVertexPosC().getX()), (float) (triangle.getVertexPosC().getY()),
            (float) (triangle.getVertexPosC().getZ()));
    GL11.glEnd();
}

From source file:espresso3d.engine.renderer.E3DGeometryRenderer.java

License:Open Source License

private void renderTexturedTriangle(E3DTriangle triangle) {
    int detail0TextureID = -1;
    int detail1TextureID = -1;

    if (triangle.isTextureDetail0Available())
        detail0TextureID = triangle.getTextureDetail0().getGlTextureID();
    if (triangle.isTextureDetail1Available())
        detail1TextureID = triangle.getTextureDetail1().getGlTextureID();

    //Draw vertices
    ARBMultitexture.glActiveTextureARB(ARBMultitexture.GL_TEXTURE0_ARB);

    boolean twoSupported = getEngine().getFeatureChecker().getArbMultitextureNumTexUnitsSupported() >= 2;
    boolean threeSupported = getEngine().getFeatureChecker().getArbMultitextureNumTexUnitsSupported() >= 3;

    GL11.glBegin(GL11.GL_TRIANGLES); // Begin Drawing Triangles
    ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB,
            (float) triangle.getTextureCoordA().getX(), (float) triangle.getTextureCoordA().getY());
    if (twoSupported && detail0TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE1_ARB,
                (float) triangle.getTextureCoordDetail0A().getX(),
                (float) triangle.getTextureCoordDetail0A().getY());
    if (threeSupported && detail1TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE2_ARB,
                (float) triangle.getTextureCoordDetail1A().getX(),
                (float) triangle.getTextureCoordDetail1A().getY());

    GL11.glColor4f((float) triangle.getVertexColorA().getA(), (float) triangle.getVertexColorA().getB(),
            (float) triangle.getVertexColorA().getC(), (float) triangle.getVertexColorA().getD());
    GL11.glVertex3f((float) (triangle.getVertexPosA().getX()), (float) (triangle.getVertexPosA().getY()),
            (float) (triangle.getVertexPosA().getZ()));

    ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB,
            (float) triangle.getTextureCoordB().getX(), (float) triangle.getTextureCoordB().getY());
    if (twoSupported && detail0TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE1_ARB,
                (float) triangle.getTextureCoordDetail0B().getX(),
                (float) triangle.getTextureCoordDetail0B().getY());
    if (threeSupported && detail1TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE2_ARB,
                (float) triangle.getTextureCoordDetail1B().getX(),
                (float) triangle.getTextureCoordDetail1B().getY());
    GL11.glColor4f((float) triangle.getVertexColorB().getA(), (float) triangle.getVertexColorB().getB(),
            (float) triangle.getVertexColorB().getC(), (float) triangle.getVertexColorB().getD());

    GL11.glVertex3f((float) (triangle.getVertexPosB().getX()), (float) (triangle.getVertexPosB().getY()),
            (float) (triangle.getVertexPosB().getZ()));

    ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB,
            (float) triangle.getTextureCoordC().getX(), (float) triangle.getTextureCoordC().getY());
    if (twoSupported && detail0TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE1_ARB,
                (float) triangle.getTextureCoordDetail0C().getX(),
                (float) triangle.getTextureCoordDetail0C().getY());
    if (threeSupported && detail1TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE2_ARB,
                (float) triangle.getTextureCoordDetail1C().getX(),
                (float) triangle.getTextureCoordDetail1C().getY());
    GL11.glColor4f((float) triangle.getVertexColorC().getA(), (float) triangle.getVertexColorC().getB(),
            (float) triangle.getVertexColorC().getC(), (float) triangle.getVertexColorC().getD());
    GL11.glVertex3f((float) (triangle.getVertexPosC().getX()), (float) (triangle.getVertexPosC().getY()),
            (float) (triangle.getVertexPosC().getZ()));
    GL11.glEnd();/*from  www  . j av  a2 s  .  c  o  m*/
}

From source file:espresso3d.engine.renderer.E3DGeometryRenderer.java

License:Open Source License

private void renderWireframeTriangle(E3DTriangle triangle) {
    //        int glTextureID = -1;
    //        int detail0TextureID = -1;
    //        int detail1TextureID = -1;
    //// w w w .  j av  a  2 s .c  o  m
    //        if(triangle.isTextureAvailable())
    //            glTextureID = triangle.getTexture().getGlTextureID();
    //        if(triangle.isTextureDetail0Available())
    //            detail0TextureID = triangle.getTextureDetail0().getGlTextureID();
    //        if(triangle.isTextureDetail1Available())
    //            detail1TextureID = triangle.getTextureDetail1().getGlTextureID();
    //        
    //        setupTextureUnits(glTextureID, detail0TextureID, detail1TextureID);

    //Draw vertices
    //      ARBMultitexture.glActiveTextureARB(ARBMultitexture.GL_TEXTURE0_ARB);
    //      GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); //default all white color for the base polygon

    GL11.glBegin(GL11.GL_LINE_LOOP); // Begin Drawing Triangles
    //         ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB, (float)triangle.getTextureCoordA().getX(), (float)triangle.getTextureCoordA().getY());
    GL11.glColor4f((float) triangle.getVertexColorA().getA(), (float) triangle.getVertexColorA().getB(),
            (float) triangle.getVertexColorA().getC(), (float) triangle.getVertexColorA().getD());
    GL11.glVertex3f((float) (triangle.getVertexPosA().getX()), (float) (triangle.getVertexPosA().getY()),
            (float) (triangle.getVertexPosA().getZ()));

    //         ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB, (float)triangle.getTextureCoordB().getX(), (float)triangle.getTextureCoordB().getY());
    GL11.glColor4f((float) triangle.getVertexColorA().getA(), (float) triangle.getVertexColorA().getB(),
            (float) triangle.getVertexColorA().getC(), (float) triangle.getVertexColorA().getD());
    GL11.glVertex3f((float) (triangle.getVertexPosB().getX()), (float) (triangle.getVertexPosB().getY()),
            (float) (triangle.getVertexPosB().getZ()));

    //         ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB, (float)triangle.getTextureCoordC().getX(), (float)triangle.getTextureCoordC().getY());
    GL11.glColor4f((float) triangle.getVertexColorA().getA(), (float) triangle.getVertexColorA().getB(),
            (float) triangle.getVertexColorA().getC(), (float) triangle.getVertexColorA().getD());
    GL11.glVertex3f((float) (triangle.getVertexPosC().getX()), (float) (triangle.getVertexPosC().getY()),
            (float) (triangle.getVertexPosC().getZ()));
    GL11.glEnd();
}

From source file:espresso3d.engine.renderer.E3DGeometryRenderer.java

License:Open Source License

/**
 * Render a quad normally (solid or textured)
 * @param quad//w w  w  . j av  a 2 s .co m
 */
private void renderSolidQuad(E3DQuad quad) {
    //Draw vertices
    GL11.glBegin(GL11.GL_QUADS); // Begin Drawing Triangles
    GL11.glColor4f((float) quad.getVertexColorA().getA(), (float) quad.getVertexColorA().getB(),
            (float) quad.getVertexColorA().getC(), (float) quad.getVertexColorA().getD());
    GL11.glVertex3f((float) (quad.getVertexPosA().getX()), (float) (quad.getVertexPosA().getY()),
            (float) (quad.getVertexPosA().getZ()));

    GL11.glColor4f((float) quad.getVertexColorB().getA(), (float) quad.getVertexColorB().getB(),
            (float) quad.getVertexColorB().getC(), (float) quad.getVertexColorB().getD());
    GL11.glVertex3f((float) (quad.getVertexPosB().getX()), (float) (quad.getVertexPosB().getY()),
            (float) (quad.getVertexPosB().getZ()));

    GL11.glColor4f((float) quad.getVertexColorC().getA(), (float) quad.getVertexColorC().getB(),
            (float) quad.getVertexColorC().getC(), (float) quad.getVertexColorC().getD());
    GL11.glVertex3f((float) (quad.getVertexPosC().getX()), (float) (quad.getVertexPosC().getY()),
            (float) (quad.getVertexPosC().getZ()));

    GL11.glColor4f((float) quad.getVertexColorD().getA(), (float) quad.getVertexColorD().getB(),
            (float) quad.getVertexColorD().getC(), (float) quad.getVertexColorD().getD());
    GL11.glVertex3f((float) (quad.getVertexPosD().getX()), (float) (quad.getVertexPosD().getY()),
            (float) (quad.getVertexPosD().getZ()));
    GL11.glEnd();
}

From source file:espresso3d.engine.renderer.E3DGeometryRenderer.java

License:Open Source License

/**
 * Render a quad normally (solid or textured)
 * @param quad// ww w .j  ava 2s  .  co m
 */
private void renderTexturedQuad(E3DQuad quad) {
    int detail0TextureID = -1;
    int detail1TextureID = -1;

    if (quad.isTextureDetail0Available())
        detail0TextureID = quad.getTextureDetail0().getGlTextureID();
    if (quad.isTextureDetail1Available())
        detail1TextureID = quad.getTextureDetail1().getGlTextureID();

    //Draw vertices
    ARBMultitexture.glActiveTextureARB(ARBMultitexture.GL_TEXTURE0_ARB);

    boolean twoSupported = getEngine().getFeatureChecker().getArbMultitextureNumTexUnitsSupported() >= 2;
    boolean threeSupported = getEngine().getFeatureChecker().getArbMultitextureNumTexUnitsSupported() >= 3;
    GL11.glBegin(GL11.GL_QUADS); // Begin Drawing Triangles
    ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB,
            (float) quad.getTextureCoordA().getX(), (float) quad.getTextureCoordA().getY());
    if (twoSupported && detail0TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE1_ARB,
                (float) quad.getTextureCoordDetail0A().getX(), (float) quad.getTextureCoordDetail0A().getY());
    if (threeSupported && detail1TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE2_ARB,
                (float) quad.getTextureCoordDetail1A().getX(), (float) quad.getTextureCoordDetail1A().getY());
    GL11.glColor4f((float) quad.getVertexColorA().getA(), (float) quad.getVertexColorA().getB(),
            (float) quad.getVertexColorA().getC(), (float) quad.getVertexColorA().getD());
    GL11.glVertex3f((float) (quad.getVertexPosA().getX()), (float) (quad.getVertexPosA().getY()),
            (float) (quad.getVertexPosA().getZ()));

    ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB,
            (float) quad.getTextureCoordB().getX(), (float) quad.getTextureCoordB().getY());
    if (twoSupported && detail0TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE1_ARB,
                (float) quad.getTextureCoordDetail0B().getX(), (float) quad.getTextureCoordDetail0B().getY());
    if (threeSupported && detail1TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE2_ARB,
                (float) quad.getTextureCoordDetail1B().getX(), (float) quad.getTextureCoordDetail1B().getY());
    GL11.glColor4f((float) quad.getVertexColorB().getA(), (float) quad.getVertexColorB().getB(),
            (float) quad.getVertexColorB().getC(), (float) quad.getVertexColorB().getD());
    GL11.glVertex3f((float) (quad.getVertexPosB().getX()), (float) (quad.getVertexPosB().getY()),
            (float) (quad.getVertexPosB().getZ()));

    ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB,
            (float) quad.getTextureCoordC().getX(), (float) quad.getTextureCoordC().getY());
    if (twoSupported && detail0TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE1_ARB,
                (float) quad.getTextureCoordDetail0C().getX(), (float) quad.getTextureCoordDetail0C().getY());
    if (threeSupported && detail1TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE2_ARB,
                (float) quad.getTextureCoordDetail1C().getX(), (float) quad.getTextureCoordDetail1C().getY());
    GL11.glColor4f((float) quad.getVertexColorC().getA(), (float) quad.getVertexColorC().getB(),
            (float) quad.getVertexColorC().getC(), (float) quad.getVertexColorC().getD());
    GL11.glVertex3f((float) (quad.getVertexPosC().getX()), (float) (quad.getVertexPosC().getY()),
            (float) (quad.getVertexPosC().getZ()));

    ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB,
            (float) quad.getTextureCoordD().getX(), (float) quad.getTextureCoordD().getY());
    if (twoSupported && detail0TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE1_ARB,
                (float) quad.getTextureCoordDetail0D().getX(), (float) quad.getTextureCoordDetail0D().getY());
    if (threeSupported && detail1TextureID != -1)
        ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE2_ARB,
                (float) quad.getTextureCoordDetail1D().getX(), (float) quad.getTextureCoordDetail1D().getY());
    GL11.glColor4f((float) quad.getVertexColorD().getA(), (float) quad.getVertexColorD().getB(),
            (float) quad.getVertexColorD().getC(), (float) quad.getVertexColorD().getD());
    GL11.glVertex3f((float) (quad.getVertexPosD().getX()), (float) (quad.getVertexPosD().getY()),
            (float) (quad.getVertexPosD().getZ()));
    GL11.glEnd();
}

From source file:espresso3d.engine.renderer.E3DGeometryRenderer.java

License:Open Source License

/**
 * Render a quad's wireframe/*w  w w.  ja  va  2 s .co m*/
 * @param quad
 */
private void renderWireframeQuad(E3DQuad quad) {
    //Setup textures
    //        int glTextureID = -1;
    //        int detail0TextureID = -1;
    //        int detail1TextureID = -1;
    //
    //        if(quad.getTexture() != null)
    //            glTextureID = quad.getTexture().getGlTextureID();
    //        if(quad.isTextureDetail0Available())
    //            detail0TextureID = quad.getTextureDetail0().getGlTextureID();
    //        if(quad.isTextureDetail1Available())
    //            detail1TextureID = quad.getTextureDetail1().getGlTextureID();
    //        
    //        setupTextureUnits(glTextureID, detail0TextureID, detail1TextureID);

    //Draw vertices
    //      ARBMultitexture.glActiveTextureARB(ARBMultitexture.GL_TEXTURE0_ARB);
    //   GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); //default all white color for the base polygon

    GL11.glBegin(GL11.GL_LINE_LOOP); // Begin Drawing Triangles
    //         ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB, (float)quad.getTextureCoordA().getX(), (float)quad.getTextureCoordA().getY());
    GL11.glColor4f((float) quad.getVertexColorA().getA(), (float) quad.getVertexColorA().getB(),
            (float) quad.getVertexColorA().getC(), (float) quad.getVertexColorA().getD());
    GL11.glVertex3f((float) (quad.getVertexPosA().getX()), (float) (quad.getVertexPosA().getY()),
            (float) (quad.getVertexPosA().getZ()));

    //            ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB, (float)quad.getTextureCoordB().getX(), (float)quad.getTextureCoordB().getY());
    GL11.glColor4f((float) quad.getVertexColorB().getA(), (float) quad.getVertexColorB().getB(),
            (float) quad.getVertexColorB().getC(), (float) quad.getVertexColorB().getD());
    GL11.glVertex3f((float) (quad.getVertexPosB().getX()), (float) (quad.getVertexPosB().getY()),
            (float) (quad.getVertexPosB().getZ()));

    //             ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB, (float)quad.getTextureCoordC().getX(), (float)quad.getTextureCoordC().getY());
    GL11.glColor4f((float) quad.getVertexColorC().getA(), (float) quad.getVertexColorC().getB(),
            (float) quad.getVertexColorC().getC(), (float) quad.getVertexColorC().getD());
    GL11.glVertex3f((float) (quad.getVertexPosC().getX()), (float) (quad.getVertexPosC().getY()),
            (float) (quad.getVertexPosC().getZ()));

    //         ARBMultitexture.glMultiTexCoord2fARB(ARBMultitexture.GL_TEXTURE0_ARB, (float)quad.getTextureCoordD().getX(), (float)quad.getTextureCoordD().getY());
    GL11.glColor4f((float) quad.getVertexColorD().getA(), (float) quad.getVertexColorD().getB(),
            (float) quad.getVertexColorD().getC(), (float) quad.getVertexColorD().getD());
    GL11.glVertex3f((float) (quad.getVertexPosD().getX()), (float) (quad.getVertexPosD().getY()),
            (float) (quad.getVertexPosD().getZ()));

    GL11.glEnd();
}

From source file:espresso3d.engine.renderer.particle.E3DParticleRendererARBPointSprite.java

License:Open Source License

public void renderParticle(E3DParticle particle) {
    //Setup textures
    int glTextureID = -1;
    int detail0TextureID = -1;
    int detail1TextureID = -1;

    if (particle.getQuad().isTextureAvailable())
        glTextureID = particle.getQuad().getTexture().getGlTextureID();
    if (particle.getQuad().isTextureDetail0Available())
        detail0TextureID = particle.getQuad().getTextureDetail0().getGlTextureID();
    if (particle.getQuad().isTextureDetail1Available())
        detail1TextureID = particle.getQuad().getTextureDetail1().getGlTextureID();

    setupPointSpriteParameters(particle.getSize());

    getEngine().getGeometryRenderer().disableAllTextureUnits();
    //        if(textured)
    getEngine().getGeometryRenderer().setupTextureUnits(glTextureID, detail0TextureID, detail1TextureID);

    E3DVector3F position = null;//w  w  w  .j a v a 2 s . co  m
    GL11.glBegin(GL11.GL_POINTS);
    {
        position = particle.getOrientation().getPosition();

        GL14.glPointParameterf(GL14.GL_BLEND_SRC_ALPHA, (float) particle.getAlpha());//(float)particle.getSize());//1f );

        GL11.glColor4f(1f, 1f, 1f, (float) particle.getAlpha());
        GL11.glVertex3f((float) position.getX(), (float) position.getY(), (float) position.getZ());
    }
    GL11.glEnd();

    GL11.glDisable(ARBPointSprite.GL_POINT_SPRITE_ARB);

}