//------------------------------------------------------------------------------
void Example::RenderFrame(double /*time*/)
{
bool dragging = mouse_left_down || mouse_middle_down;
if(dragging && (frame_no % 2))
{
gl.Scissor(
mouse_x-screen_width/(view_divs*2),
mouse_y-screen_height/(view_divs*2),
screen_width/view_divs,
screen_height/view_divs
);
}
else
{
unsigned this_tile = view_tile_index[view_tile];
gl.Scissor(
(this_tile % view_divs)*screen_width/view_divs,
(this_tile / view_divs)*screen_height/view_divs,
screen_width/view_divs+1,
screen_height/view_divs+1
);
if(++view_tile >= (dragging?view_divs:view_divs*view_divs))
{
view_tile = 0;
}
}
screen.Draw();
++frame_no;
}
void Render(void)
{
using namespace oglplus;
gl.Clear().ColorBuffer().DepthBuffer();
camera_matrix.Set(
CamMatrixf::Orbiting(
Vec3f(),
9.5 - SineWave(FrameTime() / 6.0) * 7.0,
FullCircles(FrameTime() / 9.0),
Degrees(SineWave(FrameTime() / 30.0) * 90)
)
);
model_matrix.Set(ModelMatrixf::RotationX(FullCircles(FrameTime() * 0.1)));
textured_cube.Draw();
}