public void draw() {
// Clear GL state
gl.glDisable(GL_LIGHTING);
gl.glDisable(GL_DEPTH);
gl.glMatrixMode(GL_MODELVIEW);
gl.glPushMatrix();
gl.glLoadIdentity();
gl.glMatrixMode(GL_PROJECTION);
gl.glPushMatrix();
gl.glLoadIdentity();
gl.glClearColor(0.8f, 0.2f, 0.2f, 1.0f);
gl.glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
gl.glPointSize(1.0f);
// Set the viewport
glu.gluOrtho2D(xMin, xMax, yMin, yMax);
gl.glBegin(GL_POINTS);
for (int x = (int) (xMin); x < xMax; x++)
for (int y = (int) (yMin); y < yMax; y++) {
gl.glColor3d(viewPort[x][y].r, viewPort[x][y].g, viewPort[x][y].b);
gl.glVertex2d(x + 0.5, y + 0.5);
}
gl.glEnd();
// Restore state
gl.glMatrixMode(GL_MODELVIEW);
gl.glPopMatrix();
gl.glMatrixMode(GL_PROJECTION);
gl.glPopMatrix();
gl.glEnable(GL_LIGHTING);
gl.glEnable(GL_DEPTH);
}
@Override
public void draw(final GL2 gl, final boolean picking) {
JOGLRenderer renderer = drawer.getRenderer();
gl.glColor3d(1.0, 1.0, 1.0);
if (picking) {
if (renderer.colorPicking) {
gl.glDisable(GL.GL_DITHER);
gl.glDisable(GLLightingFunc.GL_LIGHTING);
gl.glDisable(GL.GL_TEXTURE);
int viewport[] = new int[4];
gl.glGetIntegerv(GL.GL_VIEWPORT, viewport, 0);
FloatBuffer pixels = FloatBuffer.allocate(4);
gl.glReadPixels(
renderer.camera.getLastMousePressedPosition().x,
viewport[3] - renderer.camera.getLastMousePressedPosition().y,
1,
1,
GL.GL_RGBA,
GL.GL_FLOAT,
pixels);
gl.glEnable(GL.GL_DITHER);
gl.glEnable(GLLightingFunc.GL_LIGHTING);
gl.glEnable(GL.GL_TEXTURE);
// Color index = new Color(pixels.get(0), pixels.get(1), pixels.get(2));
// System.out.println("color picked " + index.toString());
} else {
gl.glPushMatrix();
gl.glInitNames();
gl.glPushName(0);
double alpha = 0d;
int size = objects.size();
double delta = size == 0 ? 0 : 1d / size;
for (final List<T> list : objects) {
alpha = alpha + delta;
for (T object : list) {
if (isFading) {
double originalAlpha = object.getAlpha();
object.setAlpha(originalAlpha * alpha);
object.draw(gl, drawer, picking);
object.setAlpha(originalAlpha);
} else {
object.draw(gl, drawer, picking);
}
}
}
gl.glPopName();
gl.glPopMatrix();
}
} else if (drawAsList) {
Integer index = openGLListIndex;
if (index == null) {
index = gl.glGenLists(1);
gl.glNewList(index, GL2.GL_COMPILE);
double alpha = 0d;
int size = objects.size();
double delta = size == 0 ? 0 : 1d / size;
for (final List<T> list : objects) {
alpha = alpha + delta;
for (T object : list) {
if (isFading) {
double originalAlpha = object.getAlpha();
object.setAlpha(originalAlpha * alpha);
object.draw(gl, drawer, picking);
object.setAlpha(originalAlpha);
} else {
object.draw(gl, drawer, picking);
}
}
}
gl.glEndList();
}
gl.glCallList(index);
openGLListIndex = index;
} else if (drawAsVBO) {
if (vah == null) {
GLU glu = renderer.getGlu();
vah = new VertexArrayHandler(gl, glu, renderer);
vah.buildVertexArray(getObjects());
} else {
// vah.loadCollada(null);
}
} else {
for (final T object : getObjects()) {
object.draw(gl, drawer, picking);
}
}
}