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:org.craftmania.world.World.java

License:Apache License

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

    Game.getInstance().initOverlayRendering();

    GL11.glColor3f(1, 1, 1);// w ww . ja  v a  2s.  c om

    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();
    }
}

From source file:org.eclipse.swt.opengl.examples.LWJGLExample.java

License:Open Source License

static void drawTorus(float r, float R, int nsides, int rings) {
    float ringDelta = 2.0f * (float) Math.PI / rings;
    float sideDelta = 2.0f * (float) Math.PI / nsides;
    float theta = 0.0f, cosTheta = 1.0f, sinTheta = 0.0f;
    for (int i = rings - 1; i >= 0; i--) {
        float theta1 = theta + ringDelta;
        float cosTheta1 = (float) Math.cos(theta1);
        float sinTheta1 = (float) Math.sin(theta1);
        GL11.glBegin(GL11.GL_QUAD_STRIP);
        float phi = 0.0f;
        for (int j = nsides; j >= 0; j--) {
            phi += sideDelta;/*from w  ww.j  a va2 s . co  m*/
            float cosPhi = (float) Math.cos(phi);
            float sinPhi = (float) Math.sin(phi);
            float dist = R + r * cosPhi;
            GL11.glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi);
            GL11.glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi);
            GL11.glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi);
            GL11.glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi);
        }
        GL11.glEnd();
        theta = theta1;
        cosTheta = cosTheta1;
        sinTheta = sinTheta1;
    }
}

From source file:org.fenggui.binding.render.lwjgl.LWJGLOpenGL.java

License:Open Source License

public void startQuads() {
    GL11.glBegin(GL11.GL_QUADS);
}

From source file:org.fenggui.binding.render.lwjgl.LWJGLOpenGL.java

License:Open Source License

public void startLines() {
    GL11.glBegin(GL11.GL_LINES);
}

From source file:org.fenggui.binding.render.lwjgl.LWJGLOpenGL.java

License:Open Source License

public void startLineStrip() {
    GL11.glBegin(GL11.GL_LINE_STRIP);
}

From source file:org.fenggui.binding.render.lwjgl.LWJGLOpenGL.java

License:Open Source License

public void startLineLoop() {
    GL11.glBegin(GL11.GL_LINE_LOOP);
}

From source file:org.fenggui.binding.render.lwjgl.LWJGLOpenGL.java

License:Open Source License

public void startTriangles() {
    GL11.glBegin(GL11.GL_TRIANGLES);
}

From source file:org.fenggui.binding.render.lwjgl.LWJGLOpenGL.java

License:Open Source License

public void startTriangleStrip() {
    GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
}

From source file:org.fenggui.binding.render.lwjgl.LWJGLOpenGL.java

License:Open Source License

public void startTriangleFan() {
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
}

From source file:org.fenggui.binding.render.lwjgl.LWJGLOpenGL.java

License:Open Source License

public void startQuadStrip() {
    GL11.glBegin(GL11.GL_QUAD_STRIP);
}