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:org.joge.core.draw.Graphics.java

License:Open Source License

public void drawLine(float x1, float y1, float x2, float y2) {
    setColor();/*w  w w .  ja  va2  s .  c om*/
    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 w w  w . j a va 2s. c o 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();/* w  w w. j a  v a  2  s  . co 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  ww .j a  v  a 2s . c o  m*/
    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 . ja  v a 2s  . co 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();// w  w  w  . j  a  va  2  s  .c  o m
    disableGl();
    GL11.glBegin(GL11.GL_TRIANGLES);
    GL11.glVertex2f(x, y);
    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 drawOvall(float x_center, float y_center, float w, float h, int n) {
    double pheta, angle_increment;
    float x, y;//from  w ww . j  a v  a  2  s.co  m
    if (n <= 0) {
        n = 1;
    }
    angle_increment = 2 * PI / n;
    setColor();
    disableGl();
    GL11.glPushMatrix();
    GL11.glTranslatef(x_center, y_center, 0);
    GL11.glBegin(GL11.GL_LINE_LOOP);
    for (pheta = 0.0f; pheta < 2 * PI; pheta += angle_increment) {
        x = w / 2 * (float) Math.cos(pheta);
        y = h / 2 * (float) Math.sin(pheta);

        GL11.glVertex2f(x, y);
    }
    GL11.glEnd();
    GL11.glPopMatrix();
    enableGl();
}

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

License:Open Source License

public void fillOvall(float x_center, float y_center, float w, float h, int n) {
    double pheta, angle_increment;
    float x, y;/*w w  w .  j  ava 2s  .com*/
    if (n <= 0) {
        n = 1;
    }
    angle_increment = 2 * PI / n;
    setColor();
    disableGl();
    GL11.glPushMatrix();
    GL11.glTranslatef(x_center, y_center, 0);
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
    for (pheta = 0.0f; pheta < 2 * PI; pheta += angle_increment) {
        x = w / 2 * (float) Math.cos(pheta);
        y = h / 2 * (float) Math.sin(pheta);

        GL11.glVertex2f(x, y);
    }
    GL11.glEnd();
    GL11.glPopMatrix();
    enableGl();
}

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

License:Open Source License

public void drawWithOutLoadIdentity(float xpos, float ypos) {
    GL11.glTranslatef(x + xpos, y + ypos, 0);
    GL11.glBegin(GL11.GL_QUADS);
    {//from ww  w. j a v a2 s .  c  o  m
        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();
}

From source file:org.jtrfp.mtmx.draw.ModelDrawer.java

License:Open Source License

public void draw() {
    IBinData binData = model.getBinData();
    IBinVertex[] vertexes = binData.getVertexes();
    IBinFace[] faces = binData.getFaces();

    GL11.glPushMatrix();//from   w  w  w.ja v a 2 s.  c  om

    if (translation != null) {
        GL11.glTranslatef(translation.getX(), translation.getY(), translation.getZ());
    }
    if (scale != null) {
        GL11.glScalef(scale.getX(), scale.getY(), scale.getZ());
    }
    if (rotationAxis != null) {
        GL11.glRotatef(rotationAngle, rotationAxis.getX(), rotationAxis.getY(), rotationAxis.getZ());
    }

    float n = 1.0f / 65536;
    for (int i = 0; i < faces.length; i++) {
        IBinFace face = faces[i];

        ITextureManager textureManager = engine.getResourceManager().getTextureManager();
        ITexture texture = textureManager.get(face.getTextureName());
        texture.bind();

        IBinVertex normal = face.getNormal();

        GL11.glBegin(renderMode);
        IBinTexCoord[] coords = face.getTexCoords();

        for (int j = coords.length - 1; j >= 0; j--) {
            IBinTexCoord coord = coords[j];
            IBinVertex vertex = vertexes[coord.getVertexIndex()];

            GL11.glNormal3f(-normal.getX() * n, normal.getY() * n, normal.getZ() * n);
            GL11.glTexCoord2f(coord.getU(), coord.getV());

            GL11.glVertex3f(-vertex.getX() * IDrawer.SCALE, vertex.getY() * IDrawer.SCALE,
                    vertex.getZ() * IDrawer.SCALE);
        }
        GL11.glEnd();
    }

    GL11.glPopMatrix();
}