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:br.org.archimedes.gui.opengl.OpenGLWrapper.java

License:Open Source License

/**
 * Draws the collection of points based on the current geometric primitive.
 * /*from  ww  w . j  ava  2 s  . c  om*/
 * @param points
 *            Points in the model coordinate system
 */
public void drawFromModel(Point... points) {

    GL11.glBegin(primitiveType);
    for (Point point : points) {
        try {
            Point convertedPoint = br.org.archimedes.Utils.getWorkspace().modelToScreen(point);
            GL11.glVertex2d(convertedPoint.getX(), convertedPoint.getY());
        } catch (NullArgumentException e) {
            // Ignores if the list contains a null point
            e.printStackTrace();
        }
    }
    GL11.glEnd();
}

---

From source file:br.org.archimedes.gui.opengl.OpenGLWrapper.java

License:Open Source License

/**
 * Draws the collection of points based on the current geometric primitive.
 * /*from w ww .j  a va  2s  .  c om*/
 * @param points
 *            Points in the screen coordinate system
 * @throws NullArgumentException
 *             Thrown if points is null
 */
public void draw(List<Point> points) throws NullArgumentException {

    if (points == null) {
        throw new NullArgumentException();
    }

    GL11.glBegin(primitiveType);
    for (Point point : points) {
        GL11.glVertex2d(point.getX(), point.getY());
    }
    GL11.glEnd();
}

---

From source file:br.org.archimedes.gui.opengl.OpenGLWrapper.java

License:Open Source License

/**
 * @param points/* ww w . j a  va2  s .c om*/
 *            The list of points to be drawed.
 */
public void draw(Point... points) {

    GL11.glBegin(primitiveType);
    for (Point point : points) {
        GL11.glVertex2d(point.getX(), point.getY());
    }
    GL11.glEnd();
}

---

From source file:cellSim2.GradientWall.java

License:Open Source License

public boolean specialRender(IGL gl, Transform t) {
    if (grad == null) {
        return false;
    }// w ww  . j a  va  2  s .c  o m

    //get the time 
    long ti = sim.getCurrentTimeMicroseconds();
    int axis = grad.getAxis();

    float[] wallSize = new float[3];
    getSize().get(wallSize);
    float blockSize = wallSize[axis] / (float) drawnSegments;

    float[] diagonal = new float[3];
    switch (axis) {
    case 0:
        diagonal[0] = -blockSize;
        diagonal[1] = -wallSize[1];//height
        diagonal[2] = 0;
        break;
    case 1:
        diagonal[0] = wallSize[0];//width
        diagonal[1] = blockSize;
        diagonal[2] = 0;
        break;
    case 2:
        diagonal[0] = 0;
        diagonal[1] = wallSize[1];
        diagonal[2] = blockSize;
        break;
    }
    Vector3f diagonalVector = new Vector3f(diagonal);
    //System.out.println(diagonalVector);

    float[] nextPos = new float[] { 0f, 0f, 0f };
    nextPos[axis] = blockSize;
    Vector3f nextPositionVector = new Vector3f(nextPos);
    //System.out.println(nextPositionVector);

    float[] dist = new float[] { 0f, 0f, 0f };
    dist[axis] = distanceFromSource;
    Vector3f distVector = new Vector3f(dist);

    gl.glPushMatrix();

    t.getOpenGLMatrix(glMat);
    gl.glMultMatrix(glMat);
    GL11.glNormal3f(0f, 0f, -1f);
    Vector3f vecOne = new Vector3f(startPoint);
    Vector3f vecTwo = new Vector3f(vecOne);
    vecTwo.add(diagonalVector);
    for (int i = 0; i < drawnSegments; i++) {
        //Find the concentration at this time and position
        //System.out.println("VecOne: " + vecOne + " VecTwo: " + vecTwo);
        Vector3f gradPos = new Vector3f();
        gradPos.add(vecOne, distVector);
        float[] color = grad.getColor(grad.getConcentration(ti, gradPos));
        GL11.glColor3f(color[0], color[1], color[2]);
        GL11.glBegin(GL11.GL_QUADS);
        //System.out.println(i + "ri: " + ri + " le: " + le + " con: " + con + " mi: " + mi);
        GL11.glVertex3f(vecOne.x, vecOne.y, vecOne.z);
        GL11.glVertex3f(vecTwo.x, vecOne.y, vecTwo.z);
        GL11.glVertex3f(vecTwo.x, vecTwo.y, vecTwo.z);
        GL11.glVertex3f(vecOne.x, vecTwo.y, vecOne.z);
        GL11.glEnd();
        vecOne.add(nextPositionVector);
        vecTwo.add(vecOne, diagonalVector);
        //System.out.println(startPoint + ", " + vecOne + ", " +addOnVector +", "+ vecTwo);
    }
    gl.glPopMatrix();

    return true;
    //return false;
}

---

From source file:cellularautomata.CellularAutomata.java

public static void drawPath(TrueTypeFont trueTypeTitleFont, TrueTypeFont trueTypeDimensionsFont) {
    updateColour(7);//from w  ww . j av  a  2s  .c  o m
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(0, 0);
    GL11.glVertex2f(712, 0);
    GL11.glVertex2f(712, 600);
    GL11.glVertex2f(0, 600);
    GL11.glEnd();

    for (int yi = 0; yi < 7; yi++) {
        updateColour(7);
        GL11.glBegin(GL11.GL_QUADS);
        GL11.glVertex2f(712, yi * 86);
        GL11.glVertex2f(800, yi * 86);
        GL11.glVertex2f(800, yi * 86 + 85);
        GL11.glVertex2f(712, yi * 86 + 85);
        GL11.glEnd();

    }

    for (int yi = 0; yi < 7; yi++) {

        for (int xi = 0; xi < 10; xi++) {

            if (yi == 0) {
                updateColour(0);
            } else {
                updateColour(path[yi - 1][xi]);
            }

            GL11.glBegin(GL11.GL_QUADS);
            GL11.glVertex2f(xi * 62 + 90, yi * 86);
            GL11.glVertex2f(xi * 62 + 61 + 90, yi * 86);
            GL11.glVertex2f(xi * 62 + 61 + 90, yi * 86 + 85);
            GL11.glVertex2f(xi * 62 + 90, yi * 86 + 85);
            GL11.glEnd();
        }
    }

    for (int yi = 0; yi < 7; yi++) {

        for (int xi = 0; xi < 9; xi = xi + 8) {

            updateColour(yi);

            if (xi == 0) {
                GL11.glBegin(GL11.GL_QUADS);
                GL11.glVertex2f(0, yi * 86);
                GL11.glVertex2f(89, yi * 86);
                GL11.glVertex2f(89, yi * 86 + 85);
                GL11.glVertex2f(0, yi * 86 + 85);
                GL11.glEnd();
            }

        }
    }

    GL11.glEnable(GL11.GL_TEXTURE_2D); //Enables textures.

    for (int i = 0; i < 9; i++) {
        trueTypeTitleFont.drawString(110 + 62 * i, 20, i + 1 + "", Color.black);
    }
    trueTypeTitleFont.drawString(668, 20, "0", Color.black);

    String dimensions = "";
    boolean dimensionsSelected = false;

    for (int yi = 0; yi < 7; yi++) {
        if (yi == 0) {
            dimensions = "800 x 600";
            if (pixel == 1) {
                dimensionsSelected = true;
                borderSize = 0;
            } else {
                dimensionsSelected = false;
            }
        }
        if (yi == 1) {
            dimensions = "400 x 300";
            if (pixel == 2) {
                dimensionsSelected = true;
                borderSize = 0;
            } else {
                dimensionsSelected = false;
            }
        }
        if (yi == 2) {
            dimensions = "200 x 150";
            if (pixel == 4) {
                dimensionsSelected = true;
                borderSize = 0;
            } else {
                dimensionsSelected = false;
            }
        }
        if (yi == 3) {
            dimensions = "  80 x 60";
            if (pixel == 10) {
                dimensionsSelected = true;
            } else {
                dimensionsSelected = false;
            }
        }
        if (yi == 4) {
            dimensions = "  32 x 24";
            if (pixel == 25) {
                dimensionsSelected = true;
            } else {
                dimensionsSelected = false;
            }
        }
        if (yi == 5) {
            dimensions = "  16 x 12";
            if (pixel == 50) {
                dimensionsSelected = true;
            } else {
                dimensionsSelected = false;
            }
        }
        if (yi == 6) {
            dimensions = "    8 x 6";
            if (pixel == 100) {
                dimensionsSelected = true;
            } else {
                dimensionsSelected = false;
            }
        }
        if (dimensionsSelected) {
            trueTypeDimensionsFont.drawString(713, 28 + 86 * yi, dimensions, Color.yellow);
        } else {
            trueTypeDimensionsFont.drawString(713, 28 + 86 * yi, dimensions, Color.white);
        }
    }

    GL11.glDisable(GL11.GL_TEXTURE_2D);

}

---

From source file:cellularautomata.CellularAutomata.java

public static void drawWeight(int background, int squares, TrueTypeFont trueTypeTitleFont,
        TrueTypeFont trueTypePaintBrushFont) {

    updateColour(background);/*w  w w . j  ava  2 s .  c om*/
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(0, 0);
    GL11.glVertex2f(711, 0);
    GL11.glVertex2f(711, 600);
    GL11.glVertex2f(0, 600);
    GL11.glEnd();

    Color.black.bind();

    for (int yi = 0; yi < 7; yi++) {

        for (int xi = 0; xi < 9; xi++) {

            updateColour(squares);

            if (xi == 0) {
                updateColour(yi);
            }

            if (xi == 8) {
                updateColour(0);
            }

            GL11.glBegin(GL11.GL_QUADS);
            GL11.glVertex2f(xi * 89, yi * 86);
            GL11.glVertex2f(xi * 89 + 88, yi * 86);
            GL11.glVertex2f(xi * 89 + 88, yi * 86 + 85);
            GL11.glVertex2f(xi * 89, yi * 86 + 85);
            GL11.glEnd();

        }
    }

    GL11.glEnable(GL11.GL_TEXTURE_2D); //Enables textures.

    for (int yi = 0; yi < 7; yi++) {
        for (int xi = 0; xi < 7; xi++) {
            if (xi != 3 || yi != 3) {
                if (squares == 1 || squares == 6) {
                    trueTypeTitleFont.drawString(120 + 89 * xi, 20 + 86 * yi,
                            neighbourhood[yi][xi][menuState] + "", Color.white);
                } else {
                    trueTypeTitleFont.drawString(120 + 89 * xi, 20 + 86 * yi,
                            neighbourhood[yi][xi][menuState] + "", Color.black);
                }
            }
        }
    }

    String stateString = "";

    for (int yi = 1; yi < 7; yi++) {

        if (yi == 1) {

            if (black == 1) {
                stateString = " Left";
            } else if (black == 2)
                stateString = "Right";
            else {
                stateString = "  Off";
            }
            trueTypePaintBrushFont.drawString(720, 25 + 86 * yi, stateString, Color.black);
        }
        if (yi == 2) {

            if (white == 1) {
                stateString = " Left";
            } else if (white == 2)
                stateString = "Right";
            else {
                stateString = "  Off";
            }
            trueTypePaintBrushFont.drawString(720, 25 + 86 * yi, stateString, Color.white);
        }
        if (yi == 3) {

            if (red == 1) {
                stateString = " Left";
            } else if (red == 2)
                stateString = "Right";
            else {
                stateString = "  Off";
            }
            trueTypePaintBrushFont.drawString(720, 25 + 86 * yi, stateString, Color.red);
        }
        if (yi == 4) {

            if (blue == 1) {
                stateString = " Left";
            } else if (blue == 2)
                stateString = "Right";
            else {
                stateString = "  Off";
            }
            trueTypePaintBrushFont.drawString(720, 25 + 86 * yi, stateString, Color.blue);
        }
        if (yi == 5) {

            if (green == 1) {
                stateString = " Left";
            } else if (green == 2)
                stateString = "Right";
            else {
                stateString = "  Off";
            }
            trueTypePaintBrushFont.drawString(720, 25 + 86 * yi, stateString, Color.green.darker(.7f));
        }
        if (yi == 6) {

            if (purple == 1) {
                stateString = " Left";
            } else if (purple == 2)
                stateString = "Right";
            else {
                stateString = "  Off";
            }
            trueTypePaintBrushFont.drawString(720, 20 + 86 * yi, stateString, Color.magenta.darker(.7f));
        }

    }

    if (screenState == 1 && menuState != 6) {
        trueTypeTitleFont.drawString(745, 20, brushRadius + "", Color.black);
    }

    GL11.glDisable(GL11.GL_TEXTURE_2D);
}

---

From source file:cellularautomata.CellularAutomata.java

public static void drawBoard() {

    updateColour(0);//  w  w  w.j  a va 2s .c om

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(0, 0);
    GL11.glVertex2f(800, 0);
    GL11.glVertex2f(800, 600);
    GL11.glVertex2f(0, 600);
    GL11.glEnd();

    for (int yi = 0; yi < 600 / pixel; yi++) {

        for (int xi = 0; xi < 800 / pixel; xi++) {

            updateColour(state[xi][yi][currentRound]);

            GL11.glBegin(GL11.GL_QUADS);
            GL11.glVertex2f(xi * pixel + borderSize, yi * pixel + borderSize);
            GL11.glVertex2f(xi * pixel + pixel - borderSize, yi * pixel + borderSize);
            GL11.glVertex2f(xi * pixel + pixel - borderSize, yi * pixel + pixel - borderSize);
            GL11.glVertex2f(xi * pixel + borderSize, yi * pixel + pixel - borderSize);
            GL11.glEnd();

        }
    }
}

---

From source file:cn.academy.crafting.client.render.item.RendererMatterUnit.java

License:GNU General Public License

@Override
public void renderItem(ItemRenderType type, ItemStack stack, Object... data) {
    ItemMatterUnit item = ModuleCrafting.matterUnit;
    GL11.glColor4d(1, 1, 1, 1);/*from ww  w . j  a  va 2 s. co  m*/
    if (type != ItemRenderType.INVENTORY) {
        GL11.glPushMatrix();
        {
            if (type == ItemRenderType.ENTITY)
                GL11.glTranslated(-.5, -0.1, 0);

            RenderUtils.drawEquippedItem(stack, 0.0625f);

            GL11.glColorMask(false, false, false, false);
            RenderUtils.drawEquippedItem(0.0626f, texMask, texMask);
            GL11.glColorMask(true, true, true, true);

            GL11.glDepthFunc(GL11.GL_EQUAL);
            MatterMaterial mat = item.getMaterial(stack);
            RenderUtils.drawEquippedItemOverlay(0.0626f, mat.texture);
            GL11.glDepthFunc(GL11.GL_LEQUAL);
        }
        GL11.glPopMatrix();
    } else {
        ShaderMask shader = ShaderMask.instance;
        float du = -(GameTimer.getAbsTime() % 10000L) / 1e4f, dv = (GameTimer.getAbsTime() % 10000L) / 1e4f;

        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

        RenderUtils.renderItemInventory(stack);

        shader.start(texMask);
        RenderUtils.loadTexture(item.getMaterial(stack).texture);

        GL11.glBegin(GL11.GL_QUADS);

        GL11.glTexCoord2f(0 + du, 0 + dv);
        shader.maskTexCoord(0, 0);
        GL11.glVertex2f(0, 0);

        GL11.glTexCoord2f(0 + du, 1 + dv);
        shader.maskTexCoord(0, 1);
        GL11.glVertex2f(0, 16);

        GL11.glTexCoord2f(1 + du, 1 + dv);
        shader.maskTexCoord(1, 1);
        GL11.glVertex2f(16, 16);

        GL11.glTexCoord2f(1 + du, 0 + dv);
        shader.maskTexCoord(1, 0);
        GL11.glVertex2f(16, 0);

        GL11.glEnd();

        shader.end();

        GL11.glDisable(GL11.GL_BLEND);
    }
}

---

From source file:colonialdisplay.AntDisplayGL.java

private void drawTile(Rectangle bounds, Rectangle2D.Float r) {
    GL11.glBegin(GL11.GL_QUADS);

    GL11.glTexCoord2f(r.x, r.y + r.height);
    GL11.glVertex2f(bounds.x, bounds.y + bounds.height);

    GL11.glTexCoord2f(r.x + r.width, r.y + r.height);
    GL11.glVertex2f(bounds.x + bounds.width, bounds.y + bounds.height);

    GL11.glTexCoord2f(r.x + r.width, r.y);
    GL11.glVertex2f(bounds.x + bounds.width, bounds.y);

    GL11.glTexCoord2f(r.x, r.y);/*  w  ww  .  j  av a  2s  .  co m*/
    GL11.glVertex2f(bounds.x, bounds.y);

    GL11.glEnd();
}

---

From source file:com.a2client.corex.Skeleton.java

License:Open Source License

public void draw_bones() {
    for (int i = 0; i < joint.length; i++) {
        updateJoint(i);/*from w w  w.j av  a2s.  com*/
        if (data.base[i].parent != -1 && joint[i] != null) {
            Vec3f p1 = joint[i].pos();
            Vec3f p2 = joint[data.base[i].parent].pos();

            GL11.glBegin(GL11.GL_LINES);
            GL11.glVertex3f(p1.x, p1.y, p1.z);
            GL11.glVertex3f(p2.x, p2.y, p2.z);
            GL11.glEnd();
        }
    }
}

---

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