Example usage for org.lwjgl.opengl GL11 glVertex3f

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glVertex3f.

Prototype

public static native void glVertex3f(@NativeType("GLfloat") float x, @NativeType("GLfloat") float y,
        @NativeType("GLfloat") float z);

Source Link

Document

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

Usage

From source file:wrath.client.graphics.graphics2D.Background.java

License:Open Source License

@Override
public void render(boolean consolidated) {
    if (consolidated)
        renderSetup();//from w  w w.  j  a  v  a 2  s  . c o  m
    //Top Left
    GL11.glTexCoord2f(0, 0);
    GL11.glVertex3f(-1.0f, 1.0f, 0.0f);

    //Top Right
    GL11.glTexCoord2f(1, 0);
    GL11.glVertex3f(1.0f, 1.0f, 0.0f);

    //Bottom Right
    GL11.glTexCoord2f(1, 1);
    GL11.glVertex3f(1.0f, -1.0f, 0.0f);

    //Bottom Left
    GL11.glTexCoord2f(0, 1);
    GL11.glVertex3f(-1.0f, -1.0f, 0.0f);
    if (consolidated)
        renderStop();
}

From source file:wrath.client.graphics.gui.GuiElement.java

License:Open Source License

@Override
public void render(boolean consolidated) {
    if (consolidated)
        renderSetup();//ww  w . jav  a  2s  .  c  o  m
    color.bindColor();

    GL11.glTexCoord2f(0, 1);
    GL11.glVertex3f(x, y - h, 0);

    GL11.glTexCoord2f(1, 1);
    GL11.glVertex3f(x + w, y - h, 0);

    GL11.glTexCoord2f(1, 0);
    GL11.glVertex3f(x + w, y, 0);

    GL11.glTexCoord2f(0, 0);
    GL11.glVertex3f(x, y, 0);
    if (consolidated)
        renderStop();
}

From source file:wrath.client.graphics.TextRenderer.java

License:Open Source License

/**
 * Draws the specified string onto the screen at the specified points independent of variables set in this object.
 * The only variable taken from the object in this method is the font itself.
 * @param string The {@link java.lang.String} to write to the screen.
 * @param x The X-coordinate of the top left of the message.
 * @param y The Y-coordinate of the top left of the message.
 * @param fontSize The size of the font. This is a NON standardized unit!
 * @param color The {@link wrath.client.graphics.Color} to make the rendered text.
 *//*from ww w  . j ava 2s  .  c  o  m*/
public void renderString(String string, float x, float y, float fontSize, Color color) {
    if (string.length() == 0)
        return;
    final int gridSize = 16;
    final float characterWidth = fontSize * 0.1f;
    final float characterHeight = characterWidth * 0.75f;

    GL11.glDisable(GL11.GL_DEPTH_TEST);
    fontTex.bindTexture();
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_COLOR, GL11.GL_ONE_MINUS_SRC_COLOR);
    float curPos = x;
    float charWidth;
    GL11.glBegin(GL11.GL_QUADS);
    for (int i = 0; i < string.length(); i++) {
        int ascii = (int) string.charAt(i);
        final float cellSize = 1.0f / gridSize;
        float cellX = ((int) ascii % gridSize) * cellSize;
        float cellY = ((int) ascii / gridSize) * cellSize;
        color.bindColor();
        //(0, 1) bottom left
        GL11.glTexCoord2f(cellX, cellY + cellSize);
        GL11.glVertex3f(curPos, y - characterHeight, 0);

        //(1, 1) bottom right
        GL11.glTexCoord2f(cellX + cellSize, cellY + cellSize);
        GL11.glVertex3f(curPos + characterWidth / 2, y - characterHeight, 0);

        //(1, 0) top right 
        GL11.glTexCoord2f(cellX + cellSize, cellY);
        GL11.glVertex3f(curPos + characterWidth / 2, y, 0);

        //(0, 0) top left
        GL11.glTexCoord2f(cellX, cellY);
        GL11.glVertex3f(curPos, y, 0);

        if (spaceMap.containsKey(string.charAt(i)))
            charWidth = spaceMap.get(string.charAt(i));
        else
            charWidth = 1.0f;
        curPos = curPos + (charWidth * (fontSize / 48f));
        if ((i + 1) < string.length()) {
            if (spaceMap.containsKey(string.charAt(i + 1)))
                curPos = curPos + ((spaceMap.get(string.charAt(i + 1)) * (fontSize / 48f)) / 1.6f);
            else
                curPos = curPos + (fontSize / 48f) / 3.5f;
        }
    }
    GL11.glEnd();

    color.unbindColor();
    Texture.unbindTextures();
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
}