void Render(double time) {
const double day_duration = 67.0;
auto sun =
Vec3f(0.000, 1.000, 0.000) * 1e10 * SineWave(time / day_duration) +
Vec3f(0.000, 0.000, -1.000) * 1e10 * CosineWave(time / day_duration);
auto camera = CamMatrixf::Orbiting(
Vec3f(),
5.0,
FullCircles(-0.10 - time / 27.0),
Degrees(-20 - SineWave(time / 17.0) * 30));
auto model = ModelMatrixf::RotationA(
Vec3f(1.0, 1.0, 1.0), FullCircles(time / 13.0));
gl.Clear().ColorBuffer().DepthBuffer();
sky_box.Use();
sky_box_prog.Use();
sky_box_camera_matrix.Set(camera);
sky_box_sun_position.Set(sun);
sky_box.Draw();
shape.Use();
shape_prog.Use();
shape_model_matrix.Set(model);
shape_camera_matrix.Set(camera);
shape_camera_position.Set(camera.Position());
shape_sun_position.Set(sun);
shape.Draw();
}
void Update(double time)
{
gl.Viewport(size, size);
fbo.Bind(Framebuffer::Target::Draw);
Framebuffer::AttachColorTexture(
Framebuffer::Target::Draw,
1,
holder.CurrentHeightMap(),
0
);
Context::ColorBuffer draw_buffs[2] = {
FramebufferColorAttachment::_0,
FramebufferColorAttachment::_1
};
gl.DrawBuffers(draw_buffs);
prog.Use();
prog.hmap_1.Set(holder.HMapUnit1());
prog.hmap_2.Set(holder.HMapUnit2());
prog.time.Set(time);
screen.Use();
gl.Disable(Capability::DepthTest);
screen.Draw();
gl.Enable(Capability::DepthTest);
holder.Swap();
}
void RenderOffscreen(double time)
{
fbo.Bind();
gl.Clear().ColorBuffer().DepthBuffer();
gl.BlendFunc(BlendFn::One, BlendFn::One);
gl.Enable(Capability::Blend);
gl.Enable(Capability::DepthTest);
draw_prog.Use();
draw_prog.camera_matrix.Set(
CamMatrixf::Orbiting(
Vec3f(),
27.0,
Degrees(time * 23),
Degrees(SineWave(time / 23.0) * 80)
)
);
cube.Use();
cube.Draw(n*n*n);
gl.Disable(Capability::DepthTest);
gl.Disable(Capability::Blend);
fbo.Unbind();
}
void Render(double time)
{
flow.Update(time);
Framebuffer::BindDefault(Framebuffer::Target::Draw);
gl.DrawBuffer(ColorBuffer::BackLeft);
gl.Viewport(width, height);
gl.Clear().ColorBuffer().DepthBuffer();
screen_prog.Use();
screen.Use();
screen.Draw();
}
void Use(void)
{
gl.ClearDepth(1.0f);
gl.ClearColor(0.8f, 0.8f, 0.8f, 0.0f);
gl.Enable(Capability::DepthTest);
gl.Enable(Capability::CullFace);
gl.CullFace(Face::Back);
dfb.Bind(Framebuffer::Target::Draw);
gl.Viewport(width, height);
prog.Use();
cube.Use();
SetProjection();
}
void Use(void)
{
gl.ClearDepth(1.0f);
gl.ClearColor(0.9f, 0.4f, 0.4f, 1.0f);
gl.Enable(Capability::DepthTest);
gl.Enable(Capability::CullFace);
gl.CullFace(Face::Back);
fbo.Bind(Framebuffer::Target::Draw);
gl.Viewport(tex_side, tex_side);
prog.Use();
shape.Use();
projection_matrix.Set(CamMatrixf::PerspectiveX(Degrees(48), 1.0, 1, 100));
}
void Render(double time)
{
GLfloat bs_rad = shape.BoundingSphere().Radius()*1.2f;
auto light =
CamMatrixf::Orbiting(
shape.BoundingSphere().Center(),
shape.BoundingSphere().Radius()*10.0f,
FullCircles(time / 23.0),
Degrees(-CosineWave(time / 31.0) * 80)
);
auto camera =
CamMatrixf::Orbiting(
shape.BoundingSphere().Center(),
shape.BoundingSphere().Radius()*
GLfloat(3.2+SineWave(time / 23.0)*0.8),
FullCircles(time / 19.0),
Degrees(SineWave(time / 21.0) * 80)
);
GLfloat cam_tgt_dist = Distance(
shape.BoundingSphere().Center(),
camera.Position()
);
auto cam_proj =
CamMatrixf::PerspectiveX(
Degrees(45),
width, height,
cam_tgt_dist-bs_rad,
cam_tgt_dist+bs_rad
);
auto model =
ModelMatrixf::RotationZ(Degrees(SineWave(time / 21.0)*25))*
ModelMatrixf::Translation(0.0f,-bs_rad*0.25f, 0.0f);
data_prog.Use();
data_prog.camera_matrix.Set(cam_proj*camera);
data_prog.model_matrix.Set(model);
data_prog.camera_position.Set(camera.Position());
data_prog.light_position.Set(light.Position());
data_buffer.Bind();
gl.Enable(Capability::DepthTest);
gl.Clear().ColorBuffer().DepthBuffer();
shape.Use();
shape.Draw();
draw_prog.Use();
draw_prog.slider.Set(GLfloat(CosineWave01(time / 11.0)*width));
DefaultFramebuffer().Bind(Framebuffer::Target::Draw);
gl.Disable(Capability::DepthTest);
gl.Clear().ColorBuffer();
screen.Use();
screen.Draw();
}
void operator()(void)
{
gl.Use(prog);
mesh.Use();
mesh.Draw();
}
void RenderOnscreen(double)
{
screen_prog.Use();
screen.Use();
screen.Draw();
}