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:myfirstgame.Tree.java

public void outline() {
    GL11.glLineWidth((float) 2.5);
    GL11.glColor3f(255, 0, 0);//from   w  ww .  j av a 2  s. c  om
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2f(treex, treey);
    GL11.glVertex2f(treex, treey + sizeY);
    GL11.glEnd();

    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2f(treex, treey + sizeY);
    GL11.glVertex2f(treex + sizeX, treey + sizeY);
    GL11.glEnd();

    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2f(treex + sizeX, treey + sizeY);
    GL11.glVertex2f(treex + sizeX, treey);
    GL11.glEnd();

    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2f(treex + sizeX, treey);
    GL11.glVertex2f(treex, treey);
    GL11.glEnd();

    GL11.glColor3f(255, 255, 255);

}

From source file:myfirstgame.Tree.java

public void drawTree(Texture tex) {
    outline();/* w w  w .  ja va2s .  co  m*/
    tex.bind();
    GL11.glBegin(GL_QUADS);
    glTexCoord2f(0, 1);
    glVertex2i(treex, treey);
    glTexCoord2f(1, 1);
    glVertex2i(treex + sizeX, treey);
    glTexCoord2f(1, 0);
    glVertex2i(treex + sizeX, treey + sizeY);
    glTexCoord2f(0, 0);
    glVertex2i(treex, treey + sizeY);
    GL11.glEnd();
}

From source file:myfirstgame.Tree.java

public static void drawTree() {

    GL11.glBegin(GL_QUADS);
    glVertex2i(treex, treey);//from  ww w .j  ava 2s  .  c  om
    glVertex2i(treex + sizeX, treey);
    glVertex2i(treex + sizeX, treey + sizeY);
    glVertex2i(treex, treey + sizeY);
    GL11.glEnd();
}

From source file:naftoreiclag.splendidanimator.Application.java

License:MIT License

public void renderGL() {
    GL11.glColor3f(0.5f, 0.5f, 1.0f);/*w  w  w  .j  a v a2s  .c  o  m*/

    GL11.glPushMatrix();

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(100 - 50, 100 - 50);
    GL11.glVertex2f(100 + 50, 100 - 50);
    GL11.glVertex2f(100 + 50, 100 + 50);
    GL11.glVertex2f(100 - 50, 100 + 50);
    GL11.glEnd();

}

From source file:name.martingeisse.minimal.simulation.subject.FullySimulatedSubject.java

License:Open Source License

@Override
public void drawCell(final int x, final int y, int pattern) {
    if (pattern < 0 || pattern > 15) {
        pattern = 0;//from w w  w.  ja  v  a2  s .  com
    }
    switch (pattern) {

    case 0:
        GL11.glColor3f(0.0f, 0.0f, 0.0f);
        break;

    case 1:
        GL11.glColor3f(0.0f, 0.0f, 0.5f);
        break;

    case 2:
        GL11.glColor3f(0.0f, 0.5f, 0.0f);
        break;

    case 3:
        GL11.glColor3f(0.0f, 0.5f, 0.5f);
        break;

    case 4:
        GL11.glColor3f(0.5f, 0.0f, 0.0f);
        break;

    case 5:
        GL11.glColor3f(0.5f, 0.0f, 0.5f);
        break;

    case 6:
        GL11.glColor3f(0.5f, 0.5f, 0.0f);
        break;

    case 7:
        GL11.glColor3f(0.75f, 0.75f, 0.75f);
        break;

    case 8:
        GL11.glColor3f(0.5f, 0.5f, 0.5f);
        break;

    case 9:
        GL11.glColor3f(0.0f, 0.0f, 1.0f);
        break;

    case 10:
        GL11.glColor3f(0.0f, 1.0f, 0.0f);
        break;

    case 11:
        GL11.glColor3f(0.0f, 1.0f, 1.0f);
        break;

    case 12:
        GL11.glColor3f(1.0f, 0.0f, 0.0f);
        break;

    case 13:
        GL11.glColor3f(1.0f, 0.0f, 1.0f);
        break;

    case 14:
        GL11.glColor3f(1.0f, 1.0f, 0.0f);
        break;

    case 15:
        GL11.glColor3f(1.0f, 1.0f, 1.0f);
        break;

    }
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2i(x * 20, y * 20);
    GL11.glVertex2i(x * 20 + 20, y * 20);
    GL11.glVertex2i(x * 20 + 20, y * 20 + 20);
    GL11.glVertex2i(x * 20, y * 20 + 20);
    GL11.glEnd();
}

From source file:name.martingeisse.stackd.client.gui.element.FillColor.java

License:Open Source License

@Override
protected void draw() {
    GL11.glDisable(GL11.GL_TEXTURE_2D);/*from   w w w  .  j a  va2s .  co  m*/
    GL11.glEnable(GL11.GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    color.glColor();
    int x = getAbsoluteX(), y = getAbsoluteY(), w = getWidth(), h = getHeight();
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
    GL11.glVertex2i(x, y);
    GL11.glVertex2i(x + w, y);
    GL11.glVertex2i(x + w, y + h);
    GL11.glVertex2i(x, y + h);
    GL11.glEnd();
}

From source file:name.martingeisse.stackd.client.gui.element.FillTexture.java

License:Open Source License

@Override
protected void draw() {
    GL11.glEnable(GL11.GL_TEXTURE_2D);// w w  w .j av  a2s . co  m
    GL11.glDisable(GL11.GL_BLEND);
    texture.glBindTexture();
    final int x = getAbsoluteX(), y = getAbsoluteY(), w = getWidth(), h = getHeight();
    final Gui gui = getGui();
    final float effectiveRepetitionLengthX = (repetitionLengthX < 1 ? gui.pixelsToUnitsInt(texture.getWidth())
            : repetitionLengthX);
    final float effectiveRepetitionLengthY = (repetitionLengthY < 1 ? gui.pixelsToUnitsInt(texture.getHeight())
            : repetitionLengthY);
    final float s = (w / effectiveRepetitionLengthX);
    final float t = (h / effectiveRepetitionLengthY);

    GL11.glColor3ub((byte) 255, (byte) 255, (byte) 255);
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex2i(x, y);
    GL11.glTexCoord2f(s, 0.0f);
    GL11.glVertex2i(x + w, y);
    GL11.glTexCoord2f(s, t);
    GL11.glVertex2i(x + w, y + h);
    GL11.glTexCoord2f(0.0f, t);
    GL11.glVertex2i(x, y + h);
    GL11.glEnd();
}

From source file:name.martingeisse.stackd.client.gui.element.PulseFillColor.java

License:Open Source License

@Override
protected void draw() {
    GL11.glDisable(GL11.GL_TEXTURE_2D);//from w  ww  .j  av a2 s.c om
    GL11.glEnable(GL11.GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    color.glColorWithCombinedAlpha(pulseFunction.evaluate(getGui().getTime(), period));
    final int x = getAbsoluteX(), y = getAbsoluteY(), w = getWidth(), h = getHeight();
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
    GL11.glVertex2i(x, y);
    GL11.glVertex2i(x + w, y);
    GL11.glVertex2i(x + w, y + h);
    GL11.glVertex2i(x, y + h);
    GL11.glEnd();
}

From source file:name.martingeisse.stackd.client.gui.element.ThickBorder.java

License:Open Source License

@Override
public void handleEvent(GuiEvent event) {
    requireWrappedElement();/*from   w  ww  . j  av a  2s  .c o  m*/
    getWrappedElement().handleEvent(event);
    if (event == GuiEvent.DRAW) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glDisable(GL11.GL_BLEND);
        color.glColor();
        int sizeDelta = getGui().pixelsToUnitsInt(thickness);
        int borderOffset = sizeDelta / 2;
        int x = getAbsoluteX() + borderOffset;
        int y = getAbsoluteY() + borderOffset;
        int w = getWidth() - sizeDelta;
        int h = getHeight() - sizeDelta;
        GL11.glLineWidth(thickness);
        GL11.glBegin(GL11.GL_LINE_STRIP);
        GL11.glVertex2i(x, y);
        GL11.glVertex2i(x + w, y);
        GL11.glVertex2i(x + w, y + h);
        GL11.glVertex2i(x, y + h);
        GL11.glVertex2i(x, y);
        GL11.glEnd();
    }
}

From source file:name.martingeisse.stackd.client.gui.element.ThinBorder.java

License:Open Source License

@Override
public void handleEvent(GuiEvent event) {
    requireWrappedElement();//from  ww  w. j  a  va2  s  . c  o  m
    getWrappedElement().handleEvent(event);
    if (event == GuiEvent.DRAW) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glDisable(GL11.GL_BLEND);
        color.glColor();
        int x = getAbsoluteX(), y = getAbsoluteY(), w = getWidth(), h = getHeight();
        GL11.glLineWidth(thickness);
        GL11.glBegin(GL11.GL_LINE_STRIP);
        GL11.glVertex2i(x, y);
        GL11.glVertex2i(x + w, y);
        GL11.glVertex2i(x + w, y + h);
        GL11.glVertex2i(x, y + h);
        GL11.glVertex2i(x, y);
        GL11.glEnd();
    }
}