Example usage for org.lwjgl.opengl GL11 glBegin

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:fi.conf.ae.gl.GLGraphicRoutines.java

License:LGPL

public static void drawCube(float r) {
    r /= 2f;/*from ww  w .  j a  v  a  2 s . co m*/
    GL11.glBegin(GL11.GL_QUADS);
    // Front Face
    GL11.glNormal3f(0.0f, 0.0f, 1.0f); // Normal Pointing Towards Viewer
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex3f(-r, -r, r); // Point 1 (Front)
    GL11.glTexCoord2f(1.0f, 0.0f);
    GL11.glVertex3f(r, -r, r); // Point 2 (Front)
    GL11.glTexCoord2f(1.0f, 1.0f);
    GL11.glVertex3f(r, r, r); // Point 3 (Front)
    GL11.glTexCoord2f(0.0f, 1.0f);
    GL11.glVertex3f(-r, r, r); // Point 4 (Front)
    // Back Face
    GL11.glNormal3f(0.0f, 0.0f, -1.0f); // Normal Pointing Away From Viewer
    GL11.glTexCoord2f(1.0f, 0.0f);
    GL11.glVertex3f(-r, -r, -r); // Point 1 (Back)
    GL11.glTexCoord2f(1.0f, 1.0f);
    GL11.glVertex3f(-r, r, -r); // Point 2 (Back)
    GL11.glTexCoord2f(0.0f, 1.0f);
    GL11.glVertex3f(r, r, -r); // Point 3 (Back)
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex3f(r, -r, -r); // Point 4 (Back)
    // Top Face
    GL11.glNormal3f(0.0f, 1.0f, 0.0f); // Normal Pointing Up
    GL11.glTexCoord2f(0.0f, 1.0f);
    GL11.glVertex3f(-r, r, -r); // Point 1 (Top)
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex3f(-r, r, r); // Point 2 (Top)
    GL11.glTexCoord2f(1.0f, 0.0f);
    GL11.glVertex3f(r, r, r); // Point 3 (Top)
    GL11.glTexCoord2f(1.0f, 1.0f);
    GL11.glVertex3f(r, r, -r); // Point 4 (Top)
    // Bottom Face
    GL11.glNormal3f(0.0f, -1.0f, 0.0f); // Normal Pointing Down
    GL11.glTexCoord2f(1.0f, 1.0f);
    GL11.glVertex3f(-r, -r, -r); // Point 1 (Bottom)
    GL11.glTexCoord2f(0.0f, 1.0f);
    GL11.glVertex3f(r, -r, -r); // Point 2 (Bottom)
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex3f(r, -r, r); // Point 3 (Bottom)
    GL11.glTexCoord2f(1.0f, 0.0f);
    GL11.glVertex3f(-r, -r, r); // Point 4 (Bottom)
    // Right face
    GL11.glNormal3f(1.0f, 0.0f, 0.0f); // Normal Pointing Right
    GL11.glTexCoord2f(1.0f, 0.0f);
    GL11.glVertex3f(r, -r, -r); // Point 1 (Right)
    GL11.glTexCoord2f(1.0f, 1.0f);
    GL11.glVertex3f(r, r, -r); // Point 2 (Right)
    GL11.glTexCoord2f(0.0f, 1.0f);
    GL11.glVertex3f(r, r, r); // Point 3 (Right)
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex3f(r, -r, r); // Point 4 (Right)
    // Left Face
    GL11.glNormal3f(-1.0f, 0.0f, 0.0f); // Normal Pointing Left
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex3f(-r, -r, -r); // Point 1 (Left)
    GL11.glTexCoord2f(1.0f, 0.0f);
    GL11.glVertex3f(-r, -r, r); // Point 2 (Left)
    GL11.glTexCoord2f(1.0f, 1.0f);
    GL11.glVertex3f(-r, r, r); // Point 3 (Left)
    GL11.glTexCoord2f(0.0f, 1.0f);
    GL11.glVertex3f(-r, r, -r); // Point 4 (Left)
    // Done Drawing Quads
    GL11.glEnd();

}

From source file:fi.conf.ae.gl.GLGraphicRoutines.java

License:LGPL

public static void drawLine(float x0, float y0, float x1, float y1, float z0, float z1, float lineWidth) {
    GL11.glLineWidth(lineWidth);//  w ww.  j av a2  s .com
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex3f(x0, y0, z0);
    GL11.glVertex3f(x1, y1, z1);
    GL11.glEnd();
}

From source file:fi.conf.ae.gl.text.GLBitmapFontBlitter.java

License:LGPL

public static void drawString(String string, String textureIdentifier, float charWidth, float charHeight,
        Alignment align) {/*from   w w  w  .  j a v a  2s. c  o  m*/

    float hOverlap = 0.01f;
    float vOverlap = 0.0f;

    float xfix = 0;

    if (align.equals(Alignment.CENTERED)) {
        xfix = string.length() * charWidth * 0.5f;
    } else if (align.equals(Alignment.RIGHT)) {
        xfix = string.length() * charWidth - hOverlap;
    }

    GL11.glPushMatrix();
    GL11.glTranslatef(0, -0.5f * charHeight, 0);

    GLTextureManager.getInstance().bindTexture(textureIdentifier);

    GL11.glBegin(GL11.GL_QUADS);

    for (int i = 0; i < string.length(); i++) {

        char c = string.charAt(i);

        float x1 = (c % 16f) / 16f;
        float x2 = x1 + 1f / 16f;
        float y1 = (c / 16) / 16f;
        float y2 = y1 + 1f / 16f;

        GL11.glTexCoord2d(x1 + hOverlap, y1 + vOverlap);
        GL11.glVertex3d(i * charWidth - xfix, 0, 0);
        GL11.glTexCoord2d(x1 + hOverlap, y2 - vOverlap);
        GL11.glVertex3d(i * charWidth - xfix, charHeight, 0);
        GL11.glTexCoord2d(x2 - hOverlap, y2 - vOverlap);
        GL11.glVertex3d(i * charWidth + charWidth - xfix, charHeight, 0);
        GL11.glTexCoord2d(x2 - hOverlap, y1 + vOverlap);
        GL11.glVertex3d(i * charWidth + charWidth - xfix, 0, 0);

    }

    GL11.glEnd();
    GL11.glPopMatrix();

}

From source file:fi.conf.ae.gl.text.GLBitmapFontBlitter.java

License:LGPL

public static void drawScrollerString(String string, float charWidth, float charHeight, float freq,
        float amplitude, float phase, String font) {

    float overlap = 0.2f;

    float fix = 0;

    GL11.glPushMatrix();// w w w. ja  va  2s . co m

    GLTextureManager.getInstance().bindTexture(font);
    //GL11.glBindTexture(GL11.GL_TEXTURE_2D, fontTextureID);

    GL11.glEnable(GL11.GL_DEPTH_TEST);

    //GLRoutines.drawSprite(0f, 0f, 2f, 2f, 1f);

    GL11.glBegin(GL11.GL_QUADS);

    for (int i = 0; i < string.length(); i++) {

        char c = string.charAt(i);
        float s = (float) Math.sin(phase + freq * 2 * Math.PI * i / string.length()) * amplitude;
        float x1 = (c % 16f) / 16f;
        float x2 = (c % 16f) / 16f + 1f / 16f;
        float y1 = (c / 16) / 16f;
        float y2 = (c / 16) / 16f + 1f / 16f;

        //drawSprite(x1, y1, x2, y2, 0);

        //GL11.glColor3f((float)Math.random()*1.3f, (float)Math.random()*1.3f, (float)Math.random()*1.3f);

        GL11.glTexCoord2d(x1, y1);
        GL11.glVertex3d(i * charWidth - fix - overlap, s, 0);
        GL11.glTexCoord2d(x1, y2);
        GL11.glVertex3d(i * charWidth - fix - overlap, charHeight + s, 0);
        GL11.glTexCoord2d(x2, y2);
        GL11.glVertex3d(i * charWidth + charWidth - fix, charHeight + s, 0);
        GL11.glTexCoord2d(x2, y1);
        GL11.glVertex3d(i * charWidth + charWidth - fix, s, 0);

    }

    GL11.glEnd();
    GL11.glPopMatrix();
}

From source file:fi.conf.ae.gl.text.GLBitmapFontBlitter.java

License:LGPL

public static void drawCircleString(String string, float charHeight, float freq, float radius, float phase,
        String font) {/*w  w  w .j a v  a 2 s.  c o m*/

    GL11.glPushMatrix();

    GLTextureManager.getInstance().bindTexture(font);
    //GL11.glBindTexture(GL11.GL_TEXTURE_2D, fontTextureID);

    GL11.glEnable(GL11.GL_DEPTH_TEST);

    //GLRoutines.drawSprite(0f, 0f, 2f, 2f, 1f);

    //GL11.glTranslatef(charWidth/2, -charHeight/2, 0);

    for (int i = 0; i < string.length(); i++) {

        char c = string.charAt(string.length() - 1 - i);
        float vx1 = (float) Math.sin(phase + freq * 2 * Math.PI * i / string.length()) * radius;
        float vy1 = (float) Math.cos(phase + freq * 2 * Math.PI * i / string.length()) * radius;
        float vx2 = (float) Math.sin(phase + freq * 2 * Math.PI * i / string.length()) * radius * charHeight;
        float vy2 = (float) Math.cos(phase + freq * 2 * Math.PI * i / string.length()) * radius * charHeight;

        float vx3 = (float) Math.sin(phase + freq * 2 * Math.PI * (i + 1) / string.length()) * radius;
        float vy3 = (float) Math.cos(phase + freq * 2 * Math.PI * (i + 1) / string.length()) * radius;
        float vx4 = (float) Math.sin(phase + freq * 2 * Math.PI * (i + 1) / string.length()) * radius
                * charHeight;
        float vy4 = (float) Math.cos(phase + freq * 2 * Math.PI * (i + 1) / string.length()) * radius
                * charHeight;

        float x1 = (c % 16f) / 16f;
        float x2 = (c % 16f) / 16f + 1f / 16f;
        float y1 = (c / 16) / 16f;
        float y2 = (c / 16) / 16f + 1f / 16f;

        //GL11.glColor3f((float)Math.random()*1.3f, (float)Math.random()*1.3f, (float)Math.random()*1.3f);
        //GL11.glBindTexture(GL11.GL_TEXTURE_2D, -1);
        GL11.glBegin(GL11.GL_QUADS);
        GL11.glTexCoord2d(x1, y1);
        GL11.glVertex3d(vy4, vx4, 0);
        GL11.glTexCoord2d(x1, y2);
        GL11.glVertex3d(vy3, vx3, 0);
        GL11.glTexCoord2d(x2, y2);
        GL11.glVertex3d(vy1, vx1, 0);
        GL11.glTexCoord2d(x2, y1);
        GL11.glVertex3d(vy2, vx2, 0);
        GL11.glEnd();

    }

    GL11.glPopMatrix();
}

From source file:fi.conf.prograts.ar.gl.GLBitmapFontBlitter.java

License:LGPL

public static void drawString(String string, String textureIdentifier, float charWidth, float charHeight,
        Alignment align) {//from  ww w  .  j a  v  a  2s . c  o  m

    float fix = 0;
    float overlap = 0.01f;

    if (align.equals(Alignment.CENTERED)) {
        fix = string.length() * charWidth * 0.5f;
    } else if (align.equals(Alignment.RIGHT)) {
        fix = string.length() * charWidth - overlap;
    }

    GL11.glPushMatrix();
    GL11.glTranslatef(0, -0.5f * charHeight, 0);
    //      System.out.println(textureID);
    GLTextureManager.getInstance().bindTexture(textureIdentifier);

    GL11.glBegin(GL11.GL_QUADS);

    for (int i = 0; i < string.length(); i++) {

        char c = string.charAt(i);

        float x1 = (c % 16f) / 16f;
        float x2 = x1 + 1f / 16f;
        float y1 = (c / 16) / 16f;
        float y2 = y1 + 1f / 16f;

        GL11.glTexCoord2d(x1 + overlap, y1);
        GL11.glVertex3d(i * charWidth - fix, 0, 0);
        GL11.glTexCoord2d(x1 + overlap, y2);
        GL11.glVertex3d(i * charWidth - fix, charHeight, 0);
        GL11.glTexCoord2d(x2 - overlap, y2);
        GL11.glVertex3d(i * charWidth + charWidth - fix, charHeight, 0);
        GL11.glTexCoord2d(x2 - overlap, y1);
        GL11.glVertex3d(i * charWidth + charWidth - fix, 0, 0);

    }

    GL11.glEnd();
    GL11.glPopMatrix();

}

From source file:fi.conf.prograts.ar.gl.GLBitmapFontBlitter.java

License:LGPL

public static void blitScrollerString(String string, float charWidth, float charHeight, float freq,
        float amplitude, float phase, String font) {

    float overlap = 0.2f;

    float fix = 0;

    GL11.glPushMatrix();/* ww  w  .j  a v a  2s .  c o  m*/

    GLTextureManager.getInstance().bindTexture(font);
    //GL11.glBindTexture(GL11.GL_TEXTURE_2D, fontTextureID);

    GL11.glEnable(GL11.GL_DEPTH_TEST);

    //GLRoutines.drawSprite(0f, 0f, 2f, 2f, 1f);

    GL11.glBegin(GL11.GL_QUADS);

    for (int i = 0; i < string.length(); i++) {

        char c = string.charAt(i);
        float s = (float) Math.sin(phase + freq * 2 * Math.PI * i / string.length()) * amplitude;
        float x1 = (c % 16f) / 16f;
        float x2 = (c % 16f) / 16f + 1f / 16f;
        float y1 = (c / 16) / 16f;
        float y2 = (c / 16) / 16f + 1f / 16f;

        //drawSprite(x1, y1, x2, y2, 0);

        //GL11.glColor3f((float)Math.random()*1.3f, (float)Math.random()*1.3f, (float)Math.random()*1.3f);

        GL11.glTexCoord2d(x1, y1);
        GL11.glVertex3d(i * charWidth - fix - overlap, s, 0);
        GL11.glTexCoord2d(x1, y2);
        GL11.glVertex3d(i * charWidth - fix - overlap, charHeight + s, 0);
        GL11.glTexCoord2d(x2, y2);
        GL11.glVertex3d(i * charWidth + charWidth - fix, charHeight + s, 0);
        GL11.glTexCoord2d(x2, y1);
        GL11.glVertex3d(i * charWidth + charWidth - fix, s, 0);

    }

    GL11.glEnd();
    GL11.glPopMatrix();
}

From source file:fi.conf.prograts.ar.gl.GLBitmapFontBlitter.java

License:LGPL

public static void blitSinString(String string, float charWidth, float charHeight, float freq, float amplitude,
        float phase, String font) {

    float overlap = 0.2f;

    float fix = 0;

    GL11.glPushMatrix();//  www  .  j av a2  s.  c  o  m

    GLTextureManager.getInstance().bindTexture(font);
    //GL11.glBindTexture(GL11.GL_TEXTURE_2D, fontTextureID);

    GL11.glEnable(GL11.GL_DEPTH_TEST);

    //GLRoutines.drawSprite(0f, 0f, 2f, 2f, 1f);

    //GL11.glTranslatef(charWidth/2, -charHeight/2, 0);

    for (int i = 0; i < string.length(); i++) {

        char c = string.charAt(string.length() - 1 - i);
        float vx1 = (float) Math.sin(phase + freq * 2 * Math.PI * i / string.length()) * amplitude;
        float vy1 = (float) Math.cos(phase + freq * 2 * Math.PI * i / string.length()) * amplitude;
        float vx2 = (float) Math.sin(phase + freq * 2 * Math.PI * i / string.length()) * amplitude * charHeight;
        float vy2 = (float) Math.cos(phase + freq * 2 * Math.PI * i / string.length()) * amplitude * charHeight;

        float vx3 = (float) Math.sin(phase + freq * 2 * Math.PI * (i + 1) / string.length()) * amplitude;
        float vy3 = (float) Math.cos(phase + freq * 2 * Math.PI * (i + 1) / string.length()) * amplitude;
        float vx4 = (float) Math.sin(phase + freq * 2 * Math.PI * (i + 1) / string.length()) * amplitude
                * charHeight;
        float vy4 = (float) Math.cos(phase + freq * 2 * Math.PI * (i + 1) / string.length()) * amplitude
                * charHeight;

        float x1 = (c % 16f) / 16f;
        float x2 = (c % 16f) / 16f + 1f / 16f;
        float y1 = (c / 16) / 16f;
        float y2 = (c / 16) / 16f + 1f / 16f;

        //GL11.glColor3f((float)Math.random()*1.3f, (float)Math.random()*1.3f, (float)Math.random()*1.3f);
        //GL11.glBindTexture(GL11.GL_TEXTURE_2D, -1);
        GL11.glBegin(GL11.GL_QUADS);
        GL11.glTexCoord2d(x1, y1);
        GL11.glVertex3d(vy4, vx4, 0);
        GL11.glTexCoord2d(x1, y2);
        GL11.glVertex3d(vy3, vx3, 0);
        GL11.glTexCoord2d(x2, y2);
        GL11.glVertex3d(vy1, vx1, 0);
        GL11.glTexCoord2d(x2, y1);
        GL11.glVertex3d(vy2, vx2, 0);
        GL11.glEnd();

    }

    GL11.glPopMatrix();
}

From source file:fr.def.iss.vd2.lib_v3d.camera.V3DSimple2DCamera.java

License:Open Source License

private void displayTarget() {

    GL11.glColor4f(1.0f, 0.5f, 0.5f, 0.8f);
    GL11.glLineWidth(1.2f);/*from w w  w .  ja  v a2 s .  c  om*/
    GL11.glBegin(GL11.GL_LINES);
    {

        GL11.glColor4f(1.0f, 0.0f, 0.0f, 0.8f);
        GL11.glVertex3d(-1, 0, 0);
        GL11.glVertex3d(1, 0, 0);

        GL11.glVertex3d(0.9, 0.1, 0);
        GL11.glVertex3d(1, 0, 0);

        GL11.glVertex3d(0.9, -0.1, 0);
        GL11.glVertex3d(1, 0, 0);

        //y
        GL11.glColor4f(0.0f, 1.0f, 0.0f, 0.8f);
        GL11.glVertex3d(0, -1, 0);
        GL11.glVertex3d(0, 1, 0);

        GL11.glVertex3d(0.1, 0.9, 0);
        GL11.glVertex3d(0, 1, 0);

        GL11.glVertex3d(-0.1, 0.9, 0);
        GL11.glVertex3d(0, 1, 0);

        //z
        GL11.glColor4f(0.0f, 0.0f, 1.0f, 0.8f);
        GL11.glVertex3d(0, 0, -1);
        GL11.glVertex3d(0, 0, 1);

        GL11.glVertex3d(0.1, 0, 0.9);
        GL11.glVertex3d(0, 0, 1);

        GL11.glVertex3d(-0.1, 0, 0.9);
        GL11.glVertex3d(0, 0, 1);

    }
    GL11.glEnd();

    GL11.glPointSize(1.2f);
    GL11.glBegin(GL11.GL_POINTS);
    {
        GL11.glVertex3d(position.x, position.y, 0);

    }
    GL11.glEnd();

}

From source file:fr.def.iss.vd2.lib_v3d.camera.V3DSimple3DCamera.java

License:Open Source License

private void displayTarget() {

    GL11.glColor4f(1.0f, 0.5f, 0.5f, 0.8f);
    GL11.glLineWidth(1.2f);/*from w w w .  j  a va2 s. com*/
    GL11.glBegin(GL11.GL_LINES);
    {

        GL11.glColor4f(1.0f, 0.0f, 0.0f, 0.8f);
        GL11.glVertex3d(-1, 0, 0);
        GL11.glVertex3d(1, 0, 0);

        GL11.glVertex3d(0.9, 0.1, 0);
        GL11.glVertex3d(1, 0, 0);

        GL11.glVertex3d(0.9, -0.1, 0);
        GL11.glVertex3d(1, 0, 0);

        //y
        GL11.glColor4f(0.0f, 1.0f, 0.0f, 0.8f);
        GL11.glVertex3d(0, -1, 0);
        GL11.glVertex3d(0, 1, 0);

        GL11.glVertex3d(0.1, 0.9, 0);
        GL11.glVertex3d(0, 1, 0);

        GL11.glVertex3d(-0.1, 0.9, 0);
        GL11.glVertex3d(0, 1, 0);

        //z
        GL11.glColor4f(0.0f, 0.0f, 1.0f, 0.8f);
        GL11.glVertex3d(0, 0, -1);
        GL11.glVertex3d(0, 0, 1);

        GL11.glVertex3d(0.1, 0, 0.9);
        GL11.glVertex3d(0, 0, 1);

        GL11.glVertex3d(-0.1, 0, 0.9);
        GL11.glVertex3d(0, 0, 1);

    }
    GL11.glEnd();

    GL11.glPointSize(1.2f);
    GL11.glBegin(GL11.GL_POINTS);
    {
        GL11.glVertex3d(position.x, position.y, position.z);

    }
    GL11.glEnd();

}