Example usage for org.lwjgl.opengl GL11 glVertex2f

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glVertex2f.

Prototype

public static native void glVertex2f(@NativeType("GLfloat") float x, @NativeType("GLfloat") float y);

Source Link

Document

Specifies a single vertex between #glBegin Begin and #glEnd End by giving its coordinates in two dimensions.

Usage

From source file:org.ajgl.graphics.Immediate.java

License:Open Source License

/**
 * Draws a shape using glBegin / Primitive mode. Adds color and texture to it. 
 * Note that {@code colorValues} should have four values per vertex.
 * @param beginMode - OpenGL begin mode/*from   www  .ja va 2s . c o  m*/
 * @param textureID - The texture id to be used
 * @param vertexValues - Array of vertices
 * @param colorValues - Array of color vertices
 * @param textureValues - Array of local texture vertices
 */
@OpenGLInfo(fwdCompatible = false, openGLVersion = "1.1", status = "Deprecated")
public static void twoPointdraw(@BeginMode int beginMode, int textureID, float[] vertexValues,
        float[] colorValues, float[] textureValues) {
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
    GL11.glBegin(beginMode);
    for (int i = 0, j = 0; i < vertexValues.length - 1; i += 2, j += 4) {
        GL11.glColor4f(colorValues[j], colorValues[j + 1], colorValues[j + 2], colorValues[j + 3]);
        GL11.glTexCoord2f(textureValues[i], textureValues[i + 1]);
        GL11.glVertex2f(vertexValues[i], vertexValues[i + 1]);
    }
    GL11.glEnd();
}

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From source file:org.cogaen.lwjgl.scene.PointVisual.java

License:Open Source License

@Override
public void render() {
    getColor().apply();
    GL11.glBegin(GL11.GL_POINTS);
    GL11.glVertex2f(0f, 0f);
    GL11.glEnd();
}

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From source file:org.craftmania.world.World.java

License:Apache License

private void renderOverlay() {
    Configuration conf = Game.getInstance().getConfiguration();

    Game.getInstance().initOverlayRendering();

    GL11.glColor3f(1, 1, 1);//from   w ww .java2 s  .  c  o m

    if (Game.RENDER_INFORMATION_OVERLAY) {
        GLFont infoFont = FontStorage.getFont("Monospaced_20");

        /* Down Left Info */
        infoFont.print(4, 4, "CraftMania");
        infoFont.print(4, 30, _player.coordinatesToString());
        infoFont.print(4, 45, "Visible Chunks:      " + _visibleChunks.size());
        infoFont.print(4, 60, "Updading Blocks:     " + _updatingBlocks);
        infoFont.print(4, 75, "Total Chunks in RAM: " + _chunkManager.getTotalChunkCount());
        infoFont.print(4, 90, "Local Chunks:        " + _localChunks.size());
        infoFont.print(4, 105, "Total Local Blocks:  " + _localBlockCount);
        infoFont.print(4, 120, "Time:  " + _time);
        infoFont.print(4, 135, "Sunlight:  " + _sunlight);

    }
    /** RENDER **/
    if (_activatedInventory != null) {
        Game.getInstance().renderTransculentOverlayLayer();
        _activatedInventory.renderInventory();
    } else {
        int width = conf.getWidth();
        int height = conf.getHeight();
        // Center Cross
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        if (CENTER_CROSS_CALL_LIST == 0) {
            CENTER_CROSS_CALL_LIST = GL11.glGenLists(1);
            GL11.glNewList(CENTER_CROSS_CALL_LIST, GL11.GL_COMPILE_AND_EXECUTE);

            int crossSize = 10;
            int crossHole = 5;

            GL11.glLineWidth(2.5f);

            GL11.glColor3f(0, 0, 0);
            GL11.glBegin(GL11.GL_LINES);
            GL11.glVertex3f(width / 2f - crossSize - crossHole, height / 2f, 0);
            GL11.glVertex3f(width / 2f - crossHole, height / 2f, 0);

            GL11.glVertex3f(width / 2f + crossSize + crossHole, height / 2f, 0);
            GL11.glVertex3f(width / 2f + crossHole, height / 2f, 0);

            GL11.glVertex3f(width / 2f, height / 2f - crossSize - crossHole, 0);
            GL11.glVertex3f(width / 2f, height / 2f - crossHole, 0);

            GL11.glVertex3f(width / 2f, height / 2f + crossSize + crossHole, 0);
            GL11.glVertex3f(width / 2f, height / 2f + crossHole, 0);

            GL11.glEnd();
            GL11.glEndList();
        } else {
            GL11.glCallList(CENTER_CROSS_CALL_LIST);
        }
        GL11.glEnable(GL11.GL_TEXTURE_2D);

        // Inventory bar
        GL11.glPushMatrix();
        Texture texGui = TextureStorage.getTexture("gui.gui");
        texGui.bind();
        float tileSize = 20.0f / texGui.getImageWidth();
        if (INVENTORY_BAR_CALL_LIST == 0) {
            INVENTORY_BAR_CALL_LIST = GL11.glGenLists(2);

            /* Bar */
            GL11.glNewList(INVENTORY_BAR_CALL_LIST, GL11.GL_COMPILE_AND_EXECUTE);

            GL11.glTranslatef(width / 2.0f - 9 * 20, 10, 0);
            GL11.glColor3f(1.0f, 1.0f, 1.0f);
            GL11.glBegin(GL11.GL_QUADS);

            GL11.glTexCoord2f(0, 0);
            GL11.glVertex2f(0, 40);

            GL11.glTexCoord2f(tileSize * 9, 0);
            GL11.glVertex2f(9 * 40, 40);

            GL11.glTexCoord2f(tileSize * 9, tileSize);
            GL11.glVertex2f(9 * 40, 0);

            GL11.glTexCoord2f(0, tileSize);
            GL11.glVertex2f(0, 0);

            GL11.glEnd();
            GL11.glEndList();

            /* Little frame around selected item */
            float frameTileSize = 24.0f / texGui.getImageWidth();
            float frameTileY = 22.0f / texGui.getImageHeight();

            GL11.glNewList(INVENTORY_BAR_CALL_LIST + 1, GL11.GL_COMPILE);
            GL11.glBegin(GL11.GL_QUADS);

            GL11.glTexCoord2f(0, frameTileY);
            GL11.glVertex2f(0, 48);

            GL11.glTexCoord2f(frameTileSize, frameTileY);
            GL11.glVertex2f(48, 48);

            GL11.glTexCoord2f(frameTileSize, frameTileY + frameTileSize);
            GL11.glVertex2f(48, 0);

            GL11.glTexCoord2f(0, frameTileY + frameTileSize);
            GL11.glVertex2f(0, 0);

            GL11.glEnd();
            GL11.glEndList();
        } else {
            GL11.glCallList(INVENTORY_BAR_CALL_LIST);
        }

        /* Content */
        GL11.glPushMatrix();
        GL11.glTranslatef(20, 20, 0);
        for (int i = 0; i < 9; ++i) {
            InventoryPlace place = getActivePlayer().getInventory().getInventoryPlace(i);
            if (place != null)
                place.render();
            GL11.glTranslatef(40, 0, 0);
        }
        texGui.bind();
        GL11.glPopMatrix();
        GL11.glTranslatef(getActivePlayer().getSelectedInventoryItemIndex() * 40.0f - 4, -4, 0);
        GL11.glCallList(INVENTORY_BAR_CALL_LIST + 1);

        GL11.glPopMatrix();
    }
}

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From source file:org.free.jake2.render.lwjgl.Draw.java

License:Open Source License

protected void Draw_Char(int x, int y, int num) {

    num &= 255;//from  w  w w  .  j  a  va2 s  .  c  om

    if ((num & 127) == 32) {
        return; // space
    }
    if (y <= -8) {
        return; // totally off screen
    }
    int row = num >> 4;
    int col = num & 15;

    float frow = row * 0.0625f;
    float fcol = col * 0.0625f;
    float size = 0.0625f;

    GL_Bind(draw_chars.texnum);

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(fcol, frow);
    GL11.glVertex2f(x, y);
    GL11.glTexCoord2f(fcol + size, frow);
    GL11.glVertex2f(x + 8, y);
    GL11.glTexCoord2f(fcol + size, frow + size);
    GL11.glVertex2f(x + 8, y + 8);
    GL11.glTexCoord2f(fcol, frow + size);
    GL11.glVertex2f(x, y + 8);
    GL11.glEnd();
}

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From source file:org.free.jake2.render.lwjgl.Draw.java

License:Open Source License

protected void Draw_StretchPic(int x, int y, int w, int h, String pic) {

    image_t image;//from www  .j  a  v  a 2s. c  o  m

    image = Draw_FindPic(pic);
    if (image == null) {
        VID.Printf(Defines.PRINT_ALL, "Can't find pic: " + pic + '\n');
        return;
    }

    if (scrap_dirty) {
        Scrap_Upload();
    }

    if (((gl_config.renderer == GL_RENDERER_MCD) || ((gl_config.renderer & GL_RENDERER_RENDITION) != 0))
            && !image.has_alpha) {
        GL11.glDisable(GL11.GL_ALPHA_TEST);
    }

    GL_Bind(image.texnum);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(image.sl, image.tl);
    GL11.glVertex2f(x, y);
    GL11.glTexCoord2f(image.sh, image.tl);
    GL11.glVertex2f(x + w, y);
    GL11.glTexCoord2f(image.sh, image.th);
    GL11.glVertex2f(x + w, y + h);
    GL11.glTexCoord2f(image.sl, image.th);
    GL11.glVertex2f(x, y + h);
    GL11.glEnd();

    if (((gl_config.renderer == GL_RENDERER_MCD) || ((gl_config.renderer & GL_RENDERER_RENDITION) != 0))
            && !image.has_alpha) {
        GL11.glEnable(GL11.GL_ALPHA_TEST);
    }
}

---

From source file:org.free.jake2.render.lwjgl.Draw.java

License:Open Source License

protected void Draw_Pic(int x, int y, String pic) {
    image_t image;/*from ww  w.ja v  a 2  s . c  om*/

    image = Draw_FindPic(pic);
    if (image == null) {
        VID.Printf(Defines.PRINT_ALL, "Can't find pic: " + pic + '\n');
        return;
    }
    if (scrap_dirty) {
        Scrap_Upload();
    }

    if (((gl_config.renderer == GL_RENDERER_MCD) || ((gl_config.renderer & GL_RENDERER_RENDITION) != 0))
            && !image.has_alpha) {
        GL11.glDisable(GL11.GL_ALPHA_TEST);
    }

    GL_Bind(image.texnum);

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(image.sl, image.tl);
    GL11.glVertex2f(x, y);
    GL11.glTexCoord2f(image.sh, image.tl);
    GL11.glVertex2f(x + image.width, y);
    GL11.glTexCoord2f(image.sh, image.th);
    GL11.glVertex2f(x + image.width, y + image.height);
    GL11.glTexCoord2f(image.sl, image.th);
    GL11.glVertex2f(x, y + image.height);
    GL11.glEnd();

    if (((gl_config.renderer == GL_RENDERER_MCD) || ((gl_config.renderer & GL_RENDERER_RENDITION) != 0))
            && !image.has_alpha) {
        GL11.glEnable(GL11.GL_ALPHA_TEST);
    }
}

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From source file:org.free.jake2.render.lwjgl.Draw.java

License:Open Source License

protected void Draw_TileClear(int x, int y, int w, int h, String pic) {
    image_t image;//ww  w .ja v a 2s . c  o  m

    image = Draw_FindPic(pic);
    if (image == null) {
        VID.Printf(Defines.PRINT_ALL, "Can't find pic: " + pic + '\n');
        return;
    }

    if (((gl_config.renderer == GL_RENDERER_MCD) || ((gl_config.renderer & GL_RENDERER_RENDITION) != 0))
            && !image.has_alpha) {
        GL11.glDisable(GL11.GL_ALPHA_TEST);
    }

    GL_Bind(image.texnum);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(x / 64.0f, y / 64.0f);
    GL11.glVertex2f(x, y);
    GL11.glTexCoord2f((x + w) / 64.0f, y / 64.0f);
    GL11.glVertex2f(x + w, y);
    GL11.glTexCoord2f((x + w) / 64.0f, (y + h) / 64.0f);
    GL11.glVertex2f(x + w, y + h);
    GL11.glTexCoord2f(x / 64.0f, (y + h) / 64.0f);
    GL11.glVertex2f(x, y + h);
    GL11.glEnd();

    if (((gl_config.renderer == GL_RENDERER_MCD) || ((gl_config.renderer & GL_RENDERER_RENDITION) != 0))
            && !image.has_alpha) {
        GL11.glEnable(GL11.GL_ALPHA_TEST);
    }
}

---

From source file:org.free.jake2.render.lwjgl.Draw.java

License:Open Source License

protected void Draw_Fill(int x, int y, int w, int h, int colorIndex) {

    if (colorIndex > 255) {
        Com.Error(Defines.ERR_FATAL, "Draw_Fill: bad color");
    }/*  w w w .  ja  v  a 2 s. co m*/

    GL11.glDisable(GL11.GL_TEXTURE_2D);

    int color = d_8to24table[colorIndex];

    GL11.glColor3ub((byte) ((color) & 0xff), // r
            (byte) ((color >> 8) & 0xff), // g
            (byte) ((color >> 16) & 0xff) // b
    );

    GL11.glBegin(GL11.GL_QUADS);

    GL11.glVertex2f(x, y);
    GL11.glVertex2f(x + w, y);
    GL11.glVertex2f(x + w, y + h);
    GL11.glVertex2f(x, y + h);

    GL11.glEnd();
    GL11.glColor3f(1, 1, 1);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
}

---

From source file:org.free.jake2.render.lwjgl.Draw.java

License:Open Source License

protected void Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte[] data) {
    int i, j, trows;
    int sourceIndex;
    int frac, fracstep;
    float hscale;
    int row;// ww  w . j  a v  a  2 s  .com
    float t;

    GL_Bind(0);

    if (rows <= 256) {
        hscale = 1;
        trows = rows;
    } else {
        hscale = rows / 256.0f;
        trows = 256;
    }
    t = rows * hscale / 256;

    if (!qglColorTableEXT) {
        //int[] image32 = new int[256*256];
        image32.clear();
        int destIndex = 0;

        for (i = 0; i < trows; i++) {
            row = (int) (i * hscale);
            if (row > rows) {
                break;
            }
            sourceIndex = cols * row;
            destIndex = i * 256;
            fracstep = cols * 0x10000 / 256;
            frac = fracstep >> 1;
            for (j = 0; j < 256; j++) {
                image32.put(destIndex + j, r_rawpalette[data[sourceIndex + (frac >> 16)] & 0xff]);
                frac += fracstep;
            }
        }
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, gl_tex_solid_format, 256, 256, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, image32);
    } else {
        //byte[] image8 = new byte[256*256];
        image8.clear();
        int destIndex = 0;

        for (i = 0; i < trows; i++) {
            row = (int) (i * hscale);
            if (row > rows) {
                break;
            }
            sourceIndex = cols * row;
            destIndex = i * 256;
            fracstep = cols * 0x10000 / 256;
            frac = fracstep >> 1;
            for (j = 0; j < 256; j++) {
                image8.put(destIndex + j, data[sourceIndex + (frac >> 16)]);
                frac += fracstep;
            }
        }

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, 256, 256, 0, GL11.GL_COLOR_INDEX,
                GL11.GL_UNSIGNED_BYTE, image8);
    }
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);

    if ((gl_config.renderer == GL_RENDERER_MCD) || ((gl_config.renderer & GL_RENDERER_RENDITION) != 0)) {
        GL11.glDisable(GL11.GL_ALPHA_TEST);
    }

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(0, 0);
    GL11.glVertex2f(x, y);
    GL11.glTexCoord2f(1, 0);
    GL11.glVertex2f(x + w, y);
    GL11.glTexCoord2f(1, t);
    GL11.glVertex2f(x + w, y + h);
    GL11.glTexCoord2f(0, t);
    GL11.glVertex2f(x, y + h);
    GL11.glEnd();

    if ((gl_config.renderer == GL_RENDERER_MCD) || ((gl_config.renderer & GL_RENDERER_RENDITION) != 0)) {
        GL11.glEnable(GL11.GL_ALPHA_TEST);
    }
}

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From source file:org.geekygoblin.nedetlesmaki.game.systems.DrawSystem.java

License:Open Source License

private void drawLevel(LevelBackground level) {

    GL11.glPushMatrix();//from  w w w  . ja v a2 s .c o  m
    GL11.glLoadIdentity();
    IPlay backgroundAnimationPlay = level.getBackground();
    backgroundAnimationPlay.update((long) (world.getDelta() * 1000L));
    final IAnimationFrame currentFrame = backgroundAnimationPlay.getCurrentFrame();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, (Integer) currentFrame.getImage().getId());
    float x1 = -VirtualResolution.WIDTH / 2.0f;
    float x2 = VirtualResolution.WIDTH / 2.0f;
    float y1 = VirtualResolution.HEIGHT / 2.0f;
    float y2 = -VirtualResolution.HEIGHT / 2.0f;
    float u1 = currentFrame.getU1();
    float u2 = currentFrame.getU2();

    float v1 = currentFrame.getV2();
    float v2 = currentFrame.getV1();
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(u1, v1);
    GL11.glVertex2f(x1, y2);
    GL11.glTexCoord2f(u2, v1);
    GL11.glVertex2f(x2, y2);
    GL11.glTexCoord2f(u2, v2);
    GL11.glVertex2f(x2, y1);
    GL11.glTexCoord2f(u1, v2);
    GL11.glVertex2f(x1, y1);
    GL11.glEnd();
    GL11.glPopMatrix();
}

---

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