Example usage for org.lwjgl.opengl GL11 GL_MODELVIEW

Introduction

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

Prototype

int GL_MODELVIEW

To view the source code for org.lwjgl.opengl GL11 GL_MODELVIEW.

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Document

MatrixMode

Usage

From source file:org.ode4j.drawstuff.internal.DrawStuffGL.java

License:Open Source License

@Override
//   void dsDrawFrame (int width, int height, dsFunctions *fn, int pause)
void dsDrawFrame(int width, int height, dsFunctions fn, boolean pause) {
    if (current_state < 1)
        dsDebug("internal error");
    current_state = 2;/*from   www  .  j ava2 s. c  o m*/

    // setup stuff
    GL11.glEnable(GL11.GL_LIGHTING);
    GL11.glEnable(GL11.GL_LIGHT0);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_TEXTURE_GEN_S);
    GL11.glDisable(GL11.GL_TEXTURE_GEN_T);
    GL11.glShadeModel(GL11.GL_FLAT);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glDepthFunc(GL11.GL_LESS);
    GL11.glEnable(GL11.GL_CULL_FACE);
    GL11.glCullFace(GL11.GL_BACK);
    GL11.glFrontFace(GL11.GL_CCW);

    // setup viewport
    GL11.glViewport(0, 0, width, height);
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    final float vnear = 0.1f;
    final float vfar = 100.0f;
    final float k = 0.8f; // view scale, 1 = +/- 45 degrees
    if (width >= height) {
        float k2 = (float) height / (float) width;
        GL11.glFrustum(-vnear * k, vnear * k, -vnear * k * k2, vnear * k * k2, vnear, vfar);
    } else {
        float k2 = (float) width / (float) height;
        GL11.glFrustum(-vnear * k * k2, vnear * k * k2, -vnear * k, vnear * k, vnear, vfar);
    }

    // setup lights. it makes a difference whether this is done in the
    // GL_PROJECTION matrix mode (lights are scene relative) or the
    // GL_MODELVIEW matrix mode (lights are camera relative, bad!).
    //      static GLfloat light_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
    //      static GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
    //      static GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
    GL11.glLight(GL11.GL_LIGHT0, GL11.GL_AMBIENT, light_ambient);
    GL11.glLight(GL11.GL_LIGHT0, GL11.GL_DIFFUSE, light_diffuse);
    GL11.glLight(GL11.GL_LIGHT0, GL11.GL_SPECULAR, light_specular);
    GL11.glColor3f(1.0f, 1.0f, 1.0f);

    // clear the window
    GL11.glClearColor(0.5f, 0.5f, 0.5f, 0);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);

    // snapshot camera position (in MS Windows it is changed by the GUI thread)
    float[] view2_xyz = view_xyz.clone();
    float[] view2_rxyz = view_rxyz.clone();
    //      memcpy (view2_xyz,view_xyz);//,sizeof(float)*3);
    //      memcpy (view2_hpr,view_hpr);//,sizeof(float)*3);

    // go to GL_MODELVIEW matrix mode and set the camera
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    setCamera(view2_xyz[0], view2_xyz[1], view2_xyz[2], view2_rxyz[0], view2_rxyz[1], view2_rxyz[2]);

    // set the light position (for some reason we have to do this in model view.
    //      static GLfloat light_position[] = { LIGHTX, LIGHTY, 1.0, 0.0 };
    GL11.glLight(GL11.GL_LIGHT0, GL11.GL_POSITION, light_position);

    // draw the background (ground, sky etc)
    drawSky(view2_xyz);
    drawGround();

    // draw the little markers on the ground
    drawPyramidGrid();

    // leave openGL in a known state - flat shaded white, no textures
    GL11.glEnable(GL11.GL_LIGHTING);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glShadeModel(GL11.GL_FLAT);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glDepthFunc(GL11.GL_LESS);
    GL11.glColor3f(1, 1, 1);
    setColor(1, 1, 1, 1);

    // draw the rest of the objects. set drawing state first.
    color[0] = 1;
    color[1] = 1;
    color[2] = 1;
    color[3] = 1;
    tnum = DS_TEXTURE_NUMBER.DS_NONE;
    //if (fn.step) 
    fn.step(pause);
}

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From source file:org.spout.engine.renderer.shader.BasicShader.java

License:Open Source License

public void assign(boolean compatabilityMode) {
    if (!variables.containsKey("Projection")) {
        throw new IllegalStateException("Basic Shader must have a projection matrix assigned");
    }/*from   w  w  w  .j a  va 2s  .  com*/
    if (!variables.containsKey("View")) {
        throw new IllegalStateException("Basic Shader must have a view matrix assigned");
    }

    if (compatabilityMode) {
        GL11.glMatrixMode(GL11.GL_PROJECTION);
        matrixBuffer.clear();
        matrixBuffer.put(getProjectionMatrix().toArray());
        matrixBuffer.flip();

        GL11.glLoadMatrix(matrixBuffer);

        GL11.glMatrixMode(GL11.GL_MODELVIEW);
        /*matrixBuffer.clear();
        matrixBuffer.put(getViewMatrix().toArray());
        matrixBuffer.flip();
                
        GL11.glLoadMatrix(matrixBuffer);*/

        SpoutClient client = ((SpoutClient) Spout.getEngine());
        Quaternion r = client.getActivePlayer().getTransform().getRotation();
        Point p = client.getActivePlayer().getTransform().getPosition();

        GL11.glLoadIdentity();
        GL11.glRotatef(r.getPitch(), 1, 0, 0);
        GL11.glRotatef(r.getYaw(), 0, 1, 0);
        GL11.glRotatef(r.getRoll(), 0, 0, 1);
        GL11.glTranslatef(-p.getX(), -p.getY(), -p.getZ());

    } else {
        super.assign();
    }
}

---

From source file:org.terasology.rendering.assets.Font.java

License:Apache License

public void drawString(int x, int y, String text, Color color) {
    ShaderManager.getInstance().enableDefaultTextured();

    Texture bound = null;/*from   www. ja va2  s. co m*/

    int posX = x;
    int posY = y;
    for (char c : text.toCharArray()) {
        if (c == '\n') {
            posX = x;
            posY += lineHeight;
        } else {
            FontCharacter character = charMap.get(c);
            if (character != null) {
                if (!character.getPage().equals(bound)) {
                    glBindTexture(GL11.GL_TEXTURE_2D, character.getPage().getId());
                    bound = character.getPage();
                }

                glMatrixMode(GL11.GL_MODELVIEW);
                glPushMatrix();
                glTranslatef(posX + character.getxOffset(), posY + character.getyOffset(), 0);
                glBegin(GL_TRIANGLE_FAN);
                glColor4f(color.r, color.g, color.b, color.a);
                glTexCoord2f(character.getX(), character.getY());
                glVertex3f(0, 0, 0);
                glTexCoord2f(character.getX() + character.getTexWidth(), character.getY());
                glVertex3f(character.getWidth(), 0, 0);
                glTexCoord2f(character.getX() + character.getTexWidth(),
                        character.getY() + character.getTexHeight());
                glVertex3f(character.getWidth(), character.getHeight(), 0);
                glTexCoord2f(character.getX(), character.getY() + character.getTexHeight());
                glVertex3f(0, character.getHeight(), 0);
                glEnd();
                glPopMatrix();

                posX += character.getxAdvance();
            }
        }
    }
}

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From source file:org.terasology.rendering.cameras.DefaultCamera.java

License:Apache License

public void loadProjectionMatrix() {
    glMatrixMode(GL_PROJECTION);
    GL11.glLoadMatrix(TeraMath.matrixToBuffer(_projectionMatrix));
    glMatrixMode(GL11.GL_MODELVIEW);
}

---

From source file:org.terasology.rendering.cameras.DefaultCamera.java

License:Apache License

public void loadModelViewMatrix() {
    glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadMatrix(TeraMath.matrixToBuffer(_viewMatrix));
    _viewFrustum.updateFrustum();
}

---

From source file:org.terasology.rendering.cameras.DefaultCamera.java

License:Apache License

public void loadNormalizedModelViewMatrix() {
    glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadMatrix(TeraMath.matrixToBuffer(_normViewMatrix));
    _viewFrustum.updateFrustum();
}

---

From source file:org.terasology.rendering.cameras.FirstPersonCamera.java

License:Apache License

public void loadProjectionMatrix() {
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();

    gluPerspective(_activeFov, ASPECT_RATIO, 0.1f, 1024f);

    glMatrixMode(GL11.GL_MODELVIEW);
}

---

From source file:org.terasology.rendering.cameras.FirstPersonCamera.java

License:Apache License

public void loadModelViewMatrix() {
    glMatrixMode(GL11.GL_MODELVIEW);
    glLoadIdentity();//from   w w w.j a va2  s .c o m

    Vector3d right = new Vector3d();
    right.cross(_viewingDirection, _up);
    right.scale(_bobbingRotationOffsetFactor);

    GLU.gluLookAt((float) _position.x, (float) _position.y + (float) _bobbingVerticalOffsetFactor * 2.0f,
            (float) _position.z, (float) _position.x + (float) _viewingDirection.x,
            (float) _position.y + (float) _viewingDirection.y + (float) _bobbingVerticalOffsetFactor * 2.0f,
            (float) _position.z + (float) _viewingDirection.z, (float) _up.x + (float) right.x,
            (float) _up.y + (float) right.y, (float) _up.z + (float) right.z);

    _viewFrustum.updateFrustum();
}

---

From source file:org.terasology.rendering.cameras.FirstPersonCamera.java

License:Apache License

public void loadNormalizedModelViewMatrix() {
    glMatrixMode(GL11.GL_MODELVIEW);
    glLoadIdentity();//from   ww  w .ja v  a 2 s  .  com

    Vector3d right = new Vector3d();
    right.cross(_viewingDirection, _up);
    right.scale(_bobbingRotationOffsetFactor);

    GLU.gluLookAt(0f, 0f, 0f, (float) _viewingDirection.x, (float) _viewingDirection.y,
            (float) _viewingDirection.z, (float) _up.x + (float) right.x, (float) _up.y + (float) right.y,
            (float) _up.z + (float) right.z);
}

---

From source file:org.terasology.rendering.cameras.OculusStereoCamera.java

License:Apache License

@Deprecated
public void loadProjectionMatrix() {
    glMatrixMode(GL_PROJECTION);
    GL11.glLoadMatrix(MatrixUtils.matrixToFloatBuffer(getProjectionMatrix()));
    glMatrixMode(GL11.GL_MODELVIEW);
}

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