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.javateerz.EasyGL.GLRect.java

License:Open Source License

/**
 * Draws the OpenGL rectangle on the display
 *//*from   w w w  .j  a  v a  2s.c o  m*/
public void draw() {
    GL11.glPushMatrix();

    // disable textures
    GL11.glDisable(TEXTURE_TARGET);

    // move to selected location
    GL11.glTranslatef(x, y, 0);

    // set color for drawing
    GL11.glColor4f((float) color.getRed() / 255, (float) color.getGreen() / 255, (float) color.getBlue() / 255,
            (float) color.getAlpha() / 255);

    // draw a quadrilateral
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(0, 0);
    GL11.glVertex2f(0, height);
    GL11.glVertex2f(width, height);
    GL11.glVertex2f(width, 0);
    GL11.glEnd();

    GL11.glPopMatrix();
}

From source file:org.jmangos.tools.openGL.FontTT.java

License:Open Source License

private void drawtexture(final Texture texture, final float ratio, final float x, final float y,
        final Color color, final float rotx, final float roty, final float rotz) {

    // Get the appropriate measurements from the texture itself
    final float imgwidth = texture.getImageWidth() * ratio;
    final float imgheight = -texture.getImageHeight() * ratio;
    final float texwidth = texture.getWidth();
    final float texheight = texture.getHeight();

    // Bind the texture
    texture.bind();/*w  w w  . jav  a  2  s.  com*/

    // translate to the right location
    GL11.glColor4f(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha());

    // draw a quad with to place the character onto
    GL11.glBegin(GL11.GL_QUADS);
    {
        GL11.glTexCoord2f(0, 0);
        GL11.glVertex2f(0 + x, 0 - y);

        GL11.glTexCoord2f(0, texheight);
        GL11.glVertex2f(0 + x, imgheight - y);

        GL11.glTexCoord2f(texwidth, texheight);
        GL11.glVertex2f(imgwidth + x, imgheight - y);

        GL11.glTexCoord2f(texwidth, 0);
        GL11.glVertex2f(imgwidth + x, 0 - y);
    }
    GL11.glEnd();

}

From source file:org.jogamp.glg2d.impl.gl2.GL2ImageDrawer.java

License:Apache License

@Override
protected void applyTexture(Texture texture, float dx1, float dy1, float dx2, float dy2, float sx1, float sy1,
        float sx2, float sy2) {
    GL11.glBegin(GL11.GL_QUADS);/* w ww.  ja v  a 2 s  .  c o  m*/

    // SW
    GL11.glTexCoord2f(sx1, sy2);
    GL11.glVertex2f(dx1, dy2);
    // SE
    GL11.glTexCoord2f(sx2, sy2);
    GL11.glVertex2f(dx2, dy2);
    // NE
    GL11.glTexCoord2f(sx2, sy1);
    GL11.glVertex2f(dx2, dy1);
    // NW
    GL11.glTexCoord2f(sx1, sy1);
    GL11.glVertex2f(dx1, dy1);

    GL11.glEnd();
}

From source file:org.joge.core.draw.font.Font.java

License:Open Source License

public void render(String text, Color color, float xpos, float ypos) {
    Texture tex;//w  ww  .  j a v  a 2 s . c om
    char[] chars = text.toCharArray();
    float textWidth = 0;
    for (int i = 0; i < chars.length; i++) {
        tex = charArray[(int) chars[i]];
        width = tex.getImageWidth();
        height = tex.getImageHeight();
        tWidth = tex.getWidth();
        tHeight = tex.getHeight();
        tex.bind();
        GL11.glTranslatef(xpos + textWidth, ypos, 0);
        GL11.glColor3f(color.r, color.g, color.b);
        GL11.glBegin(GL11.GL_QUADS);
        {
            GL11.glTexCoord2f(tOffsetX, tOffsetY);
            GL11.glVertex2f(0, 0);
            GL11.glTexCoord2f(tOffsetX, tHeight + tOffsetY);
            GL11.glVertex2f(0, height);
            GL11.glTexCoord2f(tWidth + tOffsetX, tHeight + tOffsetY);
            GL11.glVertex2f(width, height);
            GL11.glTexCoord2f(tWidth + tOffsetX, tOffsetY);
            GL11.glVertex2f(width, 0);
        }
        GL11.glEnd();
        GL11.glLoadIdentity();
        textWidth += tex.getWidth() * fontSize;
    }

}

From source file:org.joge.core.draw.Graphics.java

License:Open Source License

public void drawLine(float x1, float y1, float x2, float y2) {
    setColor();//w ww  .  j  a  va  2 s .  com
    disableGl();
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2f(x1, y1);
    GL11.glVertex2f(x2, y2);
    GL11.glEnd();
    enableGl();
}

From source file:org.joge.core.draw.Graphics.java

License:Open Source License

public void drawRect(float x1, float y1, float width, float height) {
    setColor();//from   ww  w .jav a  2 s.co  m
    disableGl();
    GL11.glBegin(GL11.GL_LINE_STRIP);
    GL11.glVertex2f(x1, y1);
    GL11.glVertex2f(x1 + width, y1);
    GL11.glVertex2f(x1 + width, y1 + height);
    GL11.glVertex2f(x1, y1 + height);
    GL11.glVertex2f(x1, y1);
    GL11.glEnd();
    enableGl();
}

From source file:org.joge.core.draw.Graphics.java

License:Open Source License

public void fillRect(float x, float y, float width, float height) {
    setColor();/*from  w  w w  .  j  a  va  2  s. c  o  m*/
    disableGl();
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(x, y);
    GL11.glVertex2f(x + width, y);
    GL11.glVertex2f(x + width, y + height);
    GL11.glVertex2f(x, y + height);
    GL11.glEnd();
    enableGl();
}

From source file:org.joge.core.draw.Graphics.java

License:Open Source License

public void fillMultiColoredRect(float x, float y, float width, float height, Color c1, Color c2, Color c3,
        Color c4) {/* w w  w  .  j  a va2  s  .  com*/
    setColor();
    disableGl();
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glColor4f(c1.r, c1.g, c1.b, c1.a);
    GL11.glVertex2f(x, y);
    GL11.glColor4f(c2.r, c2.g, c2.b, c2.a);
    GL11.glVertex2f(x + width, y);
    GL11.glColor4f(c3.r, c3.g, c3.b, c3.a);
    GL11.glVertex2f(x + width, y + height);
    GL11.glColor4f(c4.r, c4.g, c4.b, c4.a);
    GL11.glVertex2f(x, y + height);
    GL11.glEnd();
    enableGl();
}

From source file:org.joge.core.draw.Graphics.java

License:Open Source License

public void fillRect2(float x, float y, float x2, float y2) {
    setColor();//from w w  w .j a  va 2s  .c o  m
    disableGl();
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(x, y);
    GL11.glVertex2f(x2, y);
    GL11.glVertex2f(x2, y2);
    GL11.glVertex2f(x, y2);
    GL11.glEnd();
    enableGl();
}

From source file:org.joge.core.draw.Graphics.java

License:Open Source License

public void fillTriangle(float x, float y, float x1, float y1, float x2, float y2) {
    setColor();/*from w w  w  .j  av  a2s .c  o m*/
    disableGl();
    GL11.glBegin(GL11.GL_TRIANGLES);
    GL11.glVertex2f(x, y);
    GL11.glVertex2f(x1, y1);
    GL11.glVertex2f(x2, y2);
    GL11.glEnd();
    enableGl();
}