void Render(double time)
{
gl.Clear().ColorBuffer().DepthBuffer();
int period = int(time * 0.125);
if(prev_period < period)
{
if(period % 2)
gl.PolygonMode(PolygonMode::Line);
else gl.PolygonMode(PolygonMode::Fill);
prev_period = period;
}
auto camera = CamMatrixf::Orbiting(
Vec3f(0.0f, 2.0f, 0.0f),
17.0f - CosineWave(time / 31.0f) * 10.0f,
FullCircles(time / 43.0f),
Degrees(45 - SineWave(time / 29.0f) * 35)
);
camera_matrix.Set(camera);
camera_position.Set(camera.Position());
anim_time.Set(time);
plane_instr.Draw(plane_indices);
}
void Render(ExampleClock& clock) {
if(long(clock.Now().Seconds()) % 4 == 0) {
status += clock.Interval().Seconds();
} else if(status != double(long(status))) {
if(status - double(long(status)) < 0.5)
status = double(long(status));
else
status = 1.0 + double(long(status));
}
gl.Clear().ColorBuffer().DepthBuffer();
point_prog.status = GLfloat(0.5 - 0.5 * CosineWave(status * 0.5));
CamMatrixf camera = CamMatrixf::Orbiting(
Vec3f(),
5.5f,
FullCircles(clock.Now().Seconds() / 19.0),
Degrees(45 + SineWave(clock.Now().Seconds() / 15.0) * 40));
point_prog.camera_matrix.Set(camera);
point_prog.model_matrix.Set(
ModelMatrixf::RotationX(RightAngles(status)));
shape.Draw();
}
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 Render(double time)
{
auto camera =
CamMatrixf::Roll(Degrees(SineWave(time / 11.0)*7+SineWave(time/13.0)*5))*
CamMatrixf::Orbiting(
Vec3f(),
40.0f,
Degrees(SineWave(time / 11.0)*10+CosineWave(time/19.0)*10-90),
Degrees(SineWave(time / 17.0)*10+SineWave(time/13.0)*10)
);
auto mm_identity = ModelMatrixf();
auto mm_rotation = ModelMatrixf::RotationZ(FullCircles(time / 7.0));
Uniform<Mat4f>* model_matrix = nullptr;
GLuint drawing_fan = fan_index;
auto drawing_driver =
[
&model_matrix,
&mm_identity,
&mm_rotation,
&drawing_fan
](GLuint phase) -> bool
{
if(phase == drawing_fan)
model_matrix->Set(mm_rotation);
else model_matrix->Set(mm_identity);
return true;
};
// render the light mask
light_fbo.Bind(Framebuffer::Target::Draw);
gl.Clear().ColorBuffer().DepthBuffer();
mask_vao.Bind();
mask_prog.Use();
mask_prog.camera_matrix.Set(camera);
model_matrix = &mask_prog.model_matrix;
meshes.Draw(drawing_driver);
// render the final image
DefaultFramebuffer().Bind(Framebuffer::Target::Draw);
gl.Clear().ColorBuffer().DepthBuffer();
draw_vao.Bind();
draw_prog.Use();
Vec4f lsp = projection * camera * Vec4f(light_position, 1.0);
draw_prog.light_screen_pos = lsp.xyz()/lsp.w();
draw_prog.camera_matrix.Set(camera);
model_matrix = &draw_prog.model_matrix;
meshes.Draw(drawing_driver);
}
void Render(double time)
{
float o = 2;
float s = 24;
prog.offset.Set(
GLfloat(CosineWave(time/59.0)*o),
GLfloat(SineWave(time/61.0)*o)
);
prog.scale.Set(GLfloat(s + 1 + SineWave(time / 19.0)*s));
screen.Draw();
}
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();
}
